Hello.
This patch (against 2.5.2-pre11) is to support reiserfs journal on various block devices.
The project was ordered and sponsored by ApplianceWare.
Please, apply.
Thanks,
Edward.
diff -urN linux-2.5.2-pre11/fs/reiserfs/Makefile linux-2.5.2-pre11-patched/fs/reiserfs/Makefile
--- linux-2.5.2-pre11/fs/reiserfs/Makefile Wed Nov 21 17:56:28 2001
+++ linux-2.5.2-pre11-patched/fs/reiserfs/Makefile Fri Jan 11 17:18:56 2002
@@ -9,7 +9,7 @@
O_TARGET := reiserfs.o
obj-y := bitmap.o do_balan.o namei.o inode.o file.o dir.o fix_node.o super.o prints.o objectid.o \
-lbalance.o ibalance.o stree.o hashes.o buffer2.o tail_conversion.o journal.o resize.o tail_conversion.o version.o item_ops.o ioctl.o procfs.o
+lbalance.o ibalance.o stree.o hashes.o buffer2.o tail_conversion.o journal.o resize.o tail_conversion.o item_ops.o ioctl.o procfs.o
obj-m := $(O_TARGET)
diff -urN linux-2.5.2-pre11/fs/reiserfs/bitmap.c linux-2.5.2-pre11-patched/fs/reiserfs/bitmap.c
--- linux-2.5.2-pre11/fs/reiserfs/bitmap.c Fri Jan 11 17:22:40 2002
+++ linux-2.5.2-pre11-patched/fs/reiserfs/bitmap.c Fri Jan 11 17:18:56 2002
@@ -382,16 +382,18 @@
goto free_and_return ;
}
search_start = new_block ;
- if (search_start >= reiserfs_get_journal_block(s) &&
- search_start < (reiserfs_get_journal_block(s) + JOURNAL_BLOCK_COUNT)) {
- reiserfs_warning("vs-4130: reiserfs_new_blocknrs: trying to allocate log block %lu\n",
- search_start) ;
- search_start++ ;
- amount_needed++ ;
- continue ;
- }
-
+
+ /* make sure the block is not of journal or reserved area */
+ if (is_block_in_log_or_reserved_area(s, search_start)) {
+ reiserfs_warning("vs-4130: reiserfs_new_blocknrs: trying to allocate log block %lu\n",
+ search_start) ;
+ search_start++ ;
+ amount_needed++ ;
+ continue ;
+ }
+
+
reiserfs_prepare_for_journal(s, SB_AP_BITMAP(s)[i], 1) ;
RFALSE( buffer_locked (SB_AP_BITMAP (s)[i]) ||
@@ -588,6 +590,7 @@
*free_blocknrs = 0;
blks = PREALLOCATION_SIZE-1;
for (blks_gotten=0; blks_gotten<PREALLOCATION_SIZE; blks_gotten++) {
+
ret = do_reiserfs_new_blocknrs(th, free_blocknrs, search_start,
1/*amount_needed*/,
0/*for root reserved*/,
diff -urN linux-2.5.2-pre11/fs/reiserfs/journal.c linux-2.5.2-pre11-patched/fs/reiserfs/journal.c
--- linux-2.5.2-pre11/fs/reiserfs/journal.c Fri Jan 11 17:22:40 2002
+++ linux-2.5.2-pre11-patched/fs/reiserfs/journal.c Fri Jan 11 17:18:56 2002
@@ -92,6 +92,8 @@
static int flush_journal_list(struct super_block *s, struct reiserfs_journal_list *jl, int flushall) ;
static int flush_commit_list(struct super_block *s, struct reiserfs_journal_list *jl, int flushall) ;
static int can_dirty(struct reiserfs_journal_cnode *cn) ;
+static int release_journal_dev( struct super_block *super,
+ struct reiserfs_journal *journal );
static void init_journal_hash(struct super_block *p_s_sb) {
memset(SB_JOURNAL(p_s_sb)->j_hash_table, 0, JOURNAL_HASH_SIZE * sizeof(struct reiserfs_journal_cnode *)) ;
@@ -667,7 +669,7 @@
atomic_set(&(jl->j_commit_flushing), 1) ;
- if (jl->j_len > JOURNAL_TRANS_MAX) {
+ if (jl->j_len > SB_JOURNAL_TRANS_MAX(s)) {
reiserfs_panic(s, "journal-512: flush_commit_list: length is %lu, list number %d\n", jl->j_len, jl - SB_JOURNAL_LIST(s)) ;
return 0 ;
}
@@ -681,8 +683,8 @@
retry:
count = 0 ;
for (i = 0 ; atomic_read(&(jl->j_commit_left)) > 1 && i < (jl->j_len + 1) ; i++) { /* everything but commit_bh */
- bn = reiserfs_get_journal_block(s) + (jl->j_start+i) % JOURNAL_BLOCK_COUNT;
- tbh = sb_get_hash_table(s, bn) ;
+ bn = SB_ONDISK_JOURNAL_1st_BLOCK(s) + (jl->j_start+i) % SB_ONDISK_JOURNAL_SIZE(s);
+ tbh = get_hash_table(SB_JOURNAL_DEV(s), bn, s->s_blocksize) ;
/* kill this sanity check */
if (count > (orig_commit_left + 2)) {
@@ -710,8 +712,8 @@
if (count > 0) {
for (i = 0 ; atomic_read(&(jl->j_commit_left)) > 1 &&
i < (jl->j_len + 1) ; i++) { /* everything but commit_bh */
- bn = reiserfs_get_journal_block(s) + (jl->j_start + i) % JOURNAL_BLOCK_COUNT ;
- tbh = sb_get_hash_table(s, bn) ;
+ bn = SB_ONDISK_JOURNAL_1st_BLOCK(s) + (jl->j_start + i) % SB_ONDISK_JOURNAL_SIZE(s) ;
+ tbh = get_hash_table(SB_JOURNAL_DEV(s), bn, s->s_blocksize) ;
wait_on_buffer(tbh) ;
if (!buffer_uptodate(tbh)) {
@@ -926,7 +928,7 @@
atomic_set(&(jl->j_flushing), 1) ;
count = 0 ;
- if (j_len_saved > JOURNAL_TRANS_MAX) {
+ if (j_len_saved > SB_JOURNAL_TRANS_MAX(s)) {
reiserfs_panic(s, "journal-715: flush_journal_list, length is %lu, list number %d\n", j_len_saved, jl - SB_JOURNAL_LIST(s)) ;
atomic_dec(&(jl->j_flushing)) ;
return 0 ;
@@ -1083,7 +1085,7 @@
** being flushed
*/
if (flushall) {
- update_journal_header_block(s, (jl->j_start + jl->j_len + 2) % JOURNAL_BLOCK_COUNT, jl->j_trans_id) ;
+ update_journal_header_block(s, (jl->j_start + jl->j_len + 2) % SB_ONDISK_JOURNAL_SIZE(s), jl->j_trans_id) ;
}
remove_all_from_journal_list(s, jl, 0) ;
jl->j_len = 0 ;
@@ -1340,6 +1342,7 @@
wake_up(&reiserfs_commit_thread_wait) ;
sleep_on(&reiserfs_commit_thread_done) ;
+ release_journal_dev( p_s_sb, SB_JOURNAL( p_s_sb ) );
free_journal_ram(p_s_sb) ;
return 0 ;
@@ -1363,7 +1366,7 @@
struct reiserfs_journal_commit *commit) {
if (le32_to_cpu(commit->j_trans_id) != le32_to_cpu(desc->j_trans_id) ||
le32_to_cpu(commit->j_len) != le32_to_cpu(desc->j_len) ||
- le32_to_cpu(commit->j_len) > JOURNAL_TRANS_MAX ||
+ le32_to_cpu(commit->j_len) > SB_JOURNAL_TRANS_MAX(p_s_sb) ||
le32_to_cpu(commit->j_len) <= 0
) {
return 1 ;
@@ -1399,10 +1402,12 @@
*newest_mount_id) ;
return -1 ;
}
- offset = d_bh->b_blocknr - reiserfs_get_journal_block(p_s_sb) ;
+ offset = d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) ;
/* ok, we have a journal description block, lets see if the transaction was valid */
- c_bh = sb_bread(p_s_sb, reiserfs_get_journal_block(p_s_sb) + ((offset + le32_to_cpu(desc->j_len) + 1) % JOURNAL_BLOCK_COUNT)) ;
+ c_bh = bread(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ ((offset + le32_to_cpu(desc->j_len) + 1) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)),
+ p_s_sb->s_blocksize) ;
if (!c_bh)
return 0 ;
commit = (struct reiserfs_journal_commit *)c_bh->b_data ;
@@ -1410,7 +1415,7 @@
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
"journal_transaction_is_valid, commit offset %ld had bad "
"time %d or length %d\n",
- c_bh->b_blocknr - reiserfs_get_journal_block(p_s_sb),
+ c_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
le32_to_cpu(commit->j_trans_id),
le32_to_cpu(commit->j_len));
brelse(c_bh) ;
@@ -1424,7 +1429,7 @@
brelse(c_bh) ;
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1006: found valid "
"transaction start offset %lu, len %d id %d\n",
- d_bh->b_blocknr - reiserfs_get_journal_block(p_s_sb),
+ d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
le32_to_cpu(desc->j_len), le32_to_cpu(desc->j_trans_id)) ;
return 1 ;
} else {
@@ -1456,19 +1461,19 @@
unsigned long trans_offset ;
int i;
- d_bh = sb_bread(p_s_sb, cur_dblock) ;
+ d_bh = bread(SB_JOURNAL_DEV(p_s_sb), cur_dblock, p_s_sb->s_blocksize) ;
if (!d_bh)
return 1 ;
desc = (struct reiserfs_journal_desc *)d_bh->b_data ;
- trans_offset = d_bh->b_blocknr - reiserfs_get_journal_block(p_s_sb) ;
+ trans_offset = d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) ;
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1037: "
"journal_read_transaction, offset %lu, len %d mount_id %d\n",
- d_bh->b_blocknr - reiserfs_get_journal_block(p_s_sb),
+ d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
le32_to_cpu(desc->j_len), le32_to_cpu(desc->j_mount_id)) ;
if (le32_to_cpu(desc->j_trans_id) < oldest_trans_id) {
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1039: "
"journal_read_trans skipping because %lu is too old\n",
- cur_dblock - reiserfs_get_journal_block(p_s_sb)) ;
+ cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb)) ;
brelse(d_bh) ;
return 1 ;
}
@@ -1480,7 +1485,9 @@
brelse(d_bh) ;
return 1 ;
}
- c_bh = sb_bread(p_s_sb, reiserfs_get_journal_block(p_s_sb) + ((trans_offset + le32_to_cpu(desc->j_len) + 1) % JOURNAL_BLOCK_COUNT)) ;
+ c_bh = bread(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ ((trans_offset + le32_to_cpu(desc->j_len) + 1) %
+ SB_ONDISK_JOURNAL_SIZE(p_s_sb)), p_s_sb->s_blocksize) ;
if (!c_bh) {
brelse(d_bh) ;
return 1 ;
@@ -1489,7 +1496,7 @@
if (journal_compare_desc_commit(p_s_sb, desc, commit)) {
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal_read_transaction, "
"commit offset %ld had bad time %d or length %d\n",
- c_bh->b_blocknr - reiserfs_get_journal_block(p_s_sb),
+ c_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
le32_to_cpu(commit->j_trans_id), le32_to_cpu(commit->j_len));
brelse(c_bh) ;
brelse(d_bh) ;
@@ -1509,14 +1516,14 @@
}
/* get all the buffer heads */
for(i = 0 ; i < le32_to_cpu(desc->j_len) ; i++) {
- log_blocks[i] = sb_getblk(p_s_sb, reiserfs_get_journal_block(p_s_sb) + (trans_offset + 1 + i) % JOURNAL_BLOCK_COUNT);
+ log_blocks[i] = getblk(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + (trans_offset + 1 + i) % SB_ONDISK_JOURNAL_SIZE(p_s_sb), p_s_sb->s_blocksize);
if (i < JOURNAL_TRANS_HALF) {
real_blocks[i] = sb_getblk(p_s_sb, le32_to_cpu(desc->j_realblock[i])) ;
} else {
real_blocks[i] = sb_getblk(p_s_sb, le32_to_cpu(commit->j_realblock[i - JOURNAL_TRANS_HALF])) ;
}
- if (real_blocks[i]->b_blocknr >= reiserfs_get_journal_block(p_s_sb) &&
- real_blocks[i]->b_blocknr < (reiserfs_get_journal_block(p_s_sb)+JOURNAL_BLOCK_COUNT)) {
+ /* make sure we don't try to replay onto log or reserved area */
+ if (is_block_in_log_or_reserved_area(p_s_sb, real_blocks[i]->b_blocknr)) {
reiserfs_warning("journal-1204: REPLAY FAILURE fsck required! Trying to replay onto a log block\n") ;
brelse_array(log_blocks, i) ;
brelse_array(real_blocks, i) ;
@@ -1563,13 +1570,13 @@
}
brelse(real_blocks[i]) ;
}
- cur_dblock = reiserfs_get_journal_block(p_s_sb) + ((trans_offset + le32_to_cpu(desc->j_len) + 2) % JOURNAL_BLOCK_COUNT) ;
+ cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + ((trans_offset + le32_to_cpu(desc->j_len) + 2) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)) ;
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1095: setting journal "
"start to offset %ld\n",
- cur_dblock - reiserfs_get_journal_block(p_s_sb)) ;
+ cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb)) ;
/* init starting values for the first transaction, in case this is the last transaction to be replayed. */
- SB_JOURNAL(p_s_sb)->j_start = cur_dblock - reiserfs_get_journal_block(p_s_sb) ;
+ SB_JOURNAL(p_s_sb)->j_start = cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) ;
SB_JOURNAL(p_s_sb)->j_last_flush_trans_id = trans_id ;
SB_JOURNAL(p_s_sb)->j_trans_id = trans_id + 1;
brelse(c_bh) ;
@@ -1605,25 +1612,27 @@
int continue_replay = 1 ;
int ret ;
- cur_dblock = reiserfs_get_journal_block(p_s_sb) ;
- printk("reiserfs: checking transaction log (device %s) ...\n", p_s_sb->s_id) ;
+ cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) ;
+ printk("reiserfs: checking transaction log (%s) for (%s)\n",
+ kdevname(SB_JOURNAL_DEV(p_s_sb)), p_s_sb->s_id) ;
start = CURRENT_TIME ;
/* step 1, read in the journal header block. Check the transaction it says
** is the first unflushed, and if that transaction is not valid,
** replay is done
*/
- SB_JOURNAL(p_s_sb)->j_header_bh = sb_bread(p_s_sb,
- reiserfs_get_journal_block(p_s_sb) +
- JOURNAL_BLOCK_COUNT) ;
+ SB_JOURNAL(p_s_sb)->j_header_bh = bread (SB_JOURNAL_DEV(p_s_sb),
+ SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ SB_ONDISK_JOURNAL_SIZE(p_s_sb),
+ p_s_sb->s_blocksize) ;
if (!SB_JOURNAL(p_s_sb)->j_header_bh) {
return 1 ;
}
jh = (struct reiserfs_journal_header *)(SB_JOURNAL(p_s_sb)->j_header_bh->b_data) ;
if (le32_to_cpu(jh->j_first_unflushed_offset) >= 0 &&
- le32_to_cpu(jh->j_first_unflushed_offset) < JOURNAL_BLOCK_COUNT &&
+ le32_to_cpu(jh->j_first_unflushed_offset) < SB_ONDISK_JOURNAL_SIZE(p_s_sb) &&
le32_to_cpu(jh->j_last_flush_trans_id) > 0) {
- last_flush_start = reiserfs_get_journal_block(p_s_sb) +
+ last_flush_start = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
le32_to_cpu(jh->j_first_unflushed_offset) ;
last_flush_trans_id = le32_to_cpu(jh->j_last_flush_trans_id) ;
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1153: found in "
@@ -1636,7 +1645,7 @@
** there is nothing more we can do, and it makes no sense to read
** through the whole log.
*/
- d_bh = sb_bread(p_s_sb, reiserfs_get_journal_block(p_s_sb) + le32_to_cpu(jh->j_first_unflushed_offset)) ;
+ d_bh = bread(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + le32_to_cpu(jh->j_first_unflushed_offset), p_s_sb->s_blocksize) ;
ret = journal_transaction_is_valid(p_s_sb, d_bh, NULL, NULL) ;
if (!ret) {
continue_replay = 0 ;
@@ -1655,8 +1664,8 @@
/* ok, there are transactions that need to be replayed. start with the first log block, find
** all the valid transactions, and pick out the oldest.
*/
- while(continue_replay && cur_dblock < (reiserfs_get_journal_block(p_s_sb) + JOURNAL_BLOCK_COUNT)) {
- d_bh = sb_bread(p_s_sb, cur_dblock) ;
+ while(continue_replay && cur_dblock < (SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + SB_ONDISK_JOURNAL_SIZE(p_s_sb))) {
+ d_bh = bread(SB_JOURNAL_DEV(p_s_sb), cur_dblock, p_s_sb->s_blocksize) ;
ret = journal_transaction_is_valid(p_s_sb, d_bh, &oldest_invalid_trans_id, &newest_mount_id) ;
if (ret == 1) {
desc = (struct reiserfs_journal_desc *)d_bh->b_data ;
@@ -1666,7 +1675,7 @@
newest_mount_id = le32_to_cpu(desc->j_mount_id) ;
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1179: Setting "
"oldest_start to offset %lu, trans_id %lu\n",
- oldest_start - reiserfs_get_journal_block(p_s_sb),
+ oldest_start - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
oldest_trans_id) ;
} else if (oldest_trans_id > le32_to_cpu(desc->j_trans_id)) {
/* one we just read was older */
@@ -1674,7 +1683,7 @@
oldest_start = d_bh->b_blocknr ;
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1180: Resetting "
"oldest_start to offset %lu, trans_id %lu\n",
- oldest_start - reiserfs_get_journal_block(p_s_sb),
+ oldest_start - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
oldest_trans_id) ;
}
if (newest_mount_id < le32_to_cpu(desc->j_mount_id)) {
@@ -1698,7 +1707,7 @@
if (oldest_trans_id) {
reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1206: Starting replay "
"from offset %lu, trans_id %lu\n",
- cur_dblock - reiserfs_get_journal_block(p_s_sb),
+ cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
oldest_trans_id) ;
}
@@ -1710,7 +1719,7 @@
} else if (ret != 0) {
break ;
}
- cur_dblock = reiserfs_get_journal_block(p_s_sb) + SB_JOURNAL(p_s_sb)->j_start ;
+ cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + SB_JOURNAL(p_s_sb)->j_start ;
replay_count++ ;
}
@@ -1857,11 +1866,106 @@
}
}
+static int release_journal_dev( struct super_block *super,
+ struct reiserfs_journal *journal )
+{
+ int result;
+
+ result = 0;
+
+ if( journal -> j_dev_bd != NULL ) {
+ result = blkdev_put( journal -> j_dev_bd, BDEV_FS );
+ journal -> j_dev_bd = NULL;
+ }
+ if( journal -> j_dev_file != NULL ) {
+ result = filp_close( journal -> j_dev_file, NULL );
+ journal -> j_dev_file = NULL;
+ }
+ if( result != 0 ) {
+ reiserfs_warning("release_journal_dev: Cannot release journal device: %i", result );
+ }
+ return result;
+}
+
+static int journal_init_dev( struct super_block *super,
+ struct reiserfs_journal *journal,
+ const char *jdev_name )
+{
+ int result;
+ kdev_t jdev;
+
+ result = 0;
+
+ journal -> j_dev_bd = NULL;
+ journal -> j_dev_file = NULL;
+ jdev = SB_JOURNAL_DEV( super ) =
+ SB_ONDISK_JOURNAL_DEVICE( super ) ?
+ val_to_kdev(SB_ONDISK_JOURNAL_DEVICE( super )) : super -> s_dev;
+ /* there is no "jdev" option and journal is on separate device */
+ if( ( !jdev_name || !jdev_name[ 0 ] ) &&
+ SB_ONDISK_JOURNAL_DEVICE( super ) ) {
+ journal -> j_dev_bd = bdget( kdev_t_to_nr( jdev ) );
+ if( journal -> j_dev_bd )
+ result = blkdev_get( journal -> j_dev_bd,
+ FMODE_READ | FMODE_WRITE, 0,
+ BDEV_FS );
+ else
+ result = -ENOMEM;
+ if( result != 0 )
+ printk( "journal_init_dev: cannot init journal device\n '%s': %i",
+ kdevname( jdev ), result );
+
+ return result;
+ }
+
+ /* no "jdev" option and journal is on the host device */
+ if( !jdev_name || !jdev_name[ 0 ] )
+ return 0;
+ journal -> j_dev_file = filp_open( jdev_name, 0, 0 );
+ if( !IS_ERR( journal -> j_dev_file ) ) {
+ struct inode *jdev_inode;
+
+ jdev_inode = journal -> j_dev_file -> f_dentry -> d_inode;
+ journal -> j_dev_bd = jdev_inode -> i_bdev;
+ if( !S_ISBLK( jdev_inode -> i_mode ) ) {
+ printk( "journal_init_dev: '%s' is not a block device", jdev_name );
+ result = -ENOTBLK;
+ } else if( journal -> j_dev_file -> f_vfsmnt -> mnt_flags & MNT_NODEV) {
+ printk( "journal_init_dev: Cannot use devices on '%s'", jdev_name );
+ result = -EACCES;
+ } else if( jdev_inode -> i_bdev == NULL ) {
+ printk( "journal_init_dev: bdev unintialized for '%s'", jdev_name );
+ result = -ENOMEM;
+ } else if( ( result = blkdev_get( jdev_inode -> i_bdev,
+ FMODE_READ | FMODE_WRITE,
+ 0, BDEV_FS ) ) != 0 ) {
+ printk( "journal_init_dev: Cannot load device '%s': %i", jdev_name,
+ result );
+ } else
+ /* ok */
+ SB_JOURNAL_DEV( super ) =
+ to_kdev_t( jdev_inode -> i_bdev -> bd_dev );
+ } else {
+ result = PTR_ERR( journal -> j_dev_file );
+ journal -> j_dev_file = NULL;
+ printk( "journal_init_dev: Cannot open '%s': %i", jdev_name, result );
+ }
+ if( result != 0 ) {
+ release_journal_dev( super, journal );
+ }
+ printk( "journal_init_dev: journal device: %s", kdevname( SB_JOURNAL_DEV( super ) ) );
+ return result;
+}
+
/*
** must be called once on fs mount. calls journal_read for you
*/
-int journal_init(struct super_block *p_s_sb) {
- int num_cnodes = JOURNAL_BLOCK_COUNT * 2 ;
+int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_format) {
+ int num_cnodes = SB_ONDISK_JOURNAL_SIZE(p_s_sb) * 2 ;
+ struct buffer_head *bhjh;
+ struct reiserfs_super_block * rs;
+ struct reiserfs_journal_header *jh;
+ struct reiserfs_journal *journal;
if (sizeof(struct reiserfs_journal_commit) != 4096 ||
sizeof(struct reiserfs_journal_desc) != 4096
@@ -1870,19 +1974,104 @@
sizeof(struct reiserfs_journal_desc)) ;
return 1 ;
}
- /* sanity check to make sure they don't overflow the journal */
- if (JOURNAL_BLOCK_COUNT > reiserfs_get_journal_orig_size(p_s_sb)) {
- printk("journal-1393: current JOURNAL_BLOCK_COUNT (%d) is too big. This FS was created with a journal size of %lu blocks\n",
- JOURNAL_BLOCK_COUNT, reiserfs_get_journal_orig_size(p_s_sb)) ;
+
+ journal = SB_JOURNAL(p_s_sb) = vmalloc(sizeof (struct reiserfs_journal)) ;
+ if (!journal) {
+ printk("journal-1256: unable to get memory for journal structure\n") ;
return 1 ;
}
- SB_JOURNAL(p_s_sb) = vmalloc(sizeof (struct reiserfs_journal)) ;
+ memset(journal, 0, sizeof(struct reiserfs_journal)) ;
- if (!SB_JOURNAL(p_s_sb)) {
- printk("journal-1256: unable to get memory for journal structure\n") ;
+ /* reserved for journal area support */
+ SB_JOURNAL_1st_RESERVED_BLOCK(p_s_sb) = (old_format ?
+ REISERFS_OLD_DISK_OFFSET_IN_BYTES / p_s_sb->s_blocksize +
+ SB_BMAP_NR(p_s_sb) + 1 :
+ REISERFS_DISK_OFFSET_IN_BYTES / p_s_sb->s_blocksize + 2);
+
+ if( journal_init_dev( p_s_sb, journal, j_dev_name ) != 0 ) {
+ printk( "journal-1259: unable to initialize jornal device\n");
+ return 1;
+ }
+
+ rs = SB_DISK_SUPER_BLOCK(p_s_sb);
+
+ /* read journal header */
+ bhjh = bread (SB_JOURNAL_DEV(p_s_sb),
+ SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + SB_ONDISK_JOURNAL_SIZE(p_s_sb),
+ SB_BLOCKSIZE(p_s_sb));
+ if (!bhjh) {
+ printk("journal-1250: unable to read journal header\n") ;
+ return 1 ;
+ }
+ jh = (struct reiserfs_journal_header *)(bhjh->b_data);
+
+ /* make sure that journal matches to the super block */
+ if (is_reiserfs_jr(rs) && (jh->jh_journal.jp_journal_magic != sb_jp_journal_magic(rs))) {
+ char jname[ 32 ];
+ char fname[ 32 ];
+
+ strcpy( jname, kdevname( SB_JOURNAL_DEV(p_s_sb) ) );
+ strcpy( fname, kdevname( p_s_sb->s_dev ) );
+ printk("journal-460: journal header magic %x (device %s) does not match "
+ "to magic found in super block %x (device %s)\n",
+ jh->jh_journal.jp_journal_magic, jname,
+ sb_jp_journal_magic(rs), fname);
+ brelse (bhjh);
return 1 ;
}
- memset(SB_JOURNAL(p_s_sb), 0, sizeof(struct reiserfs_journal)) ;
+
+ SB_JOURNAL_TRANS_MAX(p_s_sb) = le32_to_cpu (jh->jh_journal.jp_journal_trans_max);
+ SB_JOURNAL_MAX_BATCH(p_s_sb) = le32_to_cpu (jh->jh_journal.jp_journal_max_batch);
+ SB_JOURNAL_MAX_COMMIT_AGE(p_s_sb) = le32_to_cpu (jh->jh_journal.jp_journal_max_commit_age);
+ SB_JOURNAL_MAX_TRANS_AGE(p_s_sb) = JOURNAL_MAX_TRANS_AGE;
+
+ if (SB_JOURNAL_TRANS_MAX(p_s_sb)) {
+ /* make sure these parameters are available, assign it if they are not */
+ __u32 initial = SB_JOURNAL_TRANS_MAX(p_s_sb);
+ __u32 ratio = 1;
+
+ if (p_s_sb->s_blocksize < 4096)
+ ratio = 4096 / p_s_sb->s_blocksize;
+
+ if (SB_ONDISK_JOURNAL_SIZE(p_s_sb)/SB_JOURNAL_TRANS_MAX(p_s_sb) < JOURNAL_MIN_RATIO)
+ SB_JOURNAL_TRANS_MAX(p_s_sb) = SB_ONDISK_JOURNAL_SIZE(p_s_sb) / JOURNAL_MIN_RATIO;
+ if (SB_JOURNAL_TRANS_MAX(p_s_sb) > JOURNAL_TRANS_MAX_DEFAULT / ratio)
+ SB_JOURNAL_TRANS_MAX(p_s_sb) = JOURNAL_TRANS_MAX_DEFAULT / ratio;
+ if (SB_JOURNAL_TRANS_MAX(p_s_sb) < JOURNAL_TRANS_MIN_DEFAULT / ratio)
+ SB_JOURNAL_TRANS_MAX(p_s_sb) = JOURNAL_TRANS_MIN_DEFAULT / ratio;
+
+ if (SB_JOURNAL_TRANS_MAX(p_s_sb) != initial)
+ printk ("reiserfs warning: wrong transaction max size (%u). Changed to %u\n",
+ initial, SB_JOURNAL_TRANS_MAX(p_s_sb));
+
+ SB_JOURNAL_MAX_BATCH(p_s_sb) = SB_JOURNAL_TRANS_MAX(p_s_sb)*
+ JOURNAL_MAX_BATCH_DEFAULT/JOURNAL_TRANS_MAX_DEFAULT;
+ }
+
+ if (!SB_JOURNAL_TRANS_MAX(p_s_sb)) {
+ /*we have the file system was created by old version of mkreiserfs
+ so this field contains zero value */
+ SB_JOURNAL_TRANS_MAX(p_s_sb) = JOURNAL_TRANS_MAX_DEFAULT ;
+ SB_JOURNAL_MAX_BATCH(p_s_sb) = JOURNAL_MAX_BATCH_DEFAULT ;
+ SB_JOURNAL_MAX_COMMIT_AGE(p_s_sb) = JOURNAL_MAX_COMMIT_AGE ;
+
+ /* for blocksize >= 4096 - max transaction size is 1024. For block size < 4096
+ trans max size is decreased proportionally */
+ if (p_s_sb->s_blocksize < 4096) {
+ SB_JOURNAL_TRANS_MAX(p_s_sb) /= (4096 / p_s_sb->s_blocksize) ;
+ SB_JOURNAL_MAX_BATCH(p_s_sb) = (SB_JOURNAL_TRANS_MAX(p_s_sb)) * 9 / 10 ;
+ }
+ }
+ printk ("Journal params: device %s, size %u, journal first block %u, max trans len %u, max batch %u, "
+ "max commit age %u, max trans age %u\n",
+ kdevname( SB_JOURNAL_DEV(p_s_sb) ), SB_ONDISK_JOURNAL_SIZE(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ SB_JOURNAL_TRANS_MAX(p_s_sb),
+ SB_JOURNAL_MAX_BATCH(p_s_sb),
+ SB_JOURNAL_MAX_COMMIT_AGE(p_s_sb),
+ SB_JOURNAL_MAX_TRANS_AGE(p_s_sb));
+
+ brelse (bhjh);
+
SB_JOURNAL(p_s_sb)->j_list_bitmap_index = 0 ;
SB_JOURNAL_LIST_INDEX(p_s_sb) = -10000 ; /* make sure flush_old_commits does not try to flush a list while replay is on */
@@ -1946,6 +2135,7 @@
CLONE_FS | CLONE_FILES | CLONE_VM) ;
}
return 0 ;
+
}
/*
@@ -1958,10 +2148,10 @@
if (reiserfs_dont_log(th->t_super))
return 0 ;
if ( SB_JOURNAL(th->t_super)->j_must_wait > 0 ||
- (SB_JOURNAL(th->t_super)->j_len_alloc + new_alloc) >= JOURNAL_MAX_BATCH ||
+ (SB_JOURNAL(th->t_super)->j_len_alloc + new_alloc) >= SB_JOURNAL_MAX_BATCH(th->t_super) ||
atomic_read(&(SB_JOURNAL(th->t_super)->j_jlock)) ||
- (now - SB_JOURNAL(th->t_super)->j_trans_start_time) > JOURNAL_MAX_TRANS_AGE ||
- SB_JOURNAL(th->t_super)->j_cnode_free < (JOURNAL_TRANS_MAX * 3)) {
+ (now - SB_JOURNAL(th->t_super)->j_trans_start_time) > SB_JOURNAL_MAX_TRANS_AGE(th->t_super) ||
+ SB_JOURNAL(th->t_super)->j_cnode_free < (SB_JOURNAL_TRANS_MAX(th->t_super) * 3)) {
return 1 ;
}
return 0 ;
@@ -2028,13 +2218,12 @@
** we don't sleep if there aren't other writers
*/
-
if ( (!join && SB_JOURNAL(p_s_sb)->j_must_wait > 0) ||
- ( !join && (SB_JOURNAL(p_s_sb)->j_len_alloc + nblocks + 2) >= JOURNAL_MAX_BATCH) ||
+ ( !join && (SB_JOURNAL(p_s_sb)->j_len_alloc + nblocks + 2) >= SB_JOURNAL_MAX_BATCH(p_s_sb)) ||
(!join && atomic_read(&(SB_JOURNAL(p_s_sb)->j_wcount)) > 0 && SB_JOURNAL(p_s_sb)->j_trans_start_time > 0 &&
- (now - SB_JOURNAL(p_s_sb)->j_trans_start_time) > JOURNAL_MAX_TRANS_AGE) ||
+ (now - SB_JOURNAL(p_s_sb)->j_trans_start_time) > SB_JOURNAL_MAX_TRANS_AGE(p_s_sb)) ||
(!join && atomic_read(&(SB_JOURNAL(p_s_sb)->j_jlock)) ) ||
- (!join && SB_JOURNAL(p_s_sb)->j_cnode_free < (JOURNAL_TRANS_MAX * 3))) {
+ (!join && SB_JOURNAL(p_s_sb)->j_cnode_free < (SB_JOURNAL_TRANS_MAX(p_s_sb) * 3))) {
unlock_journal(p_s_sb) ; /* allow others to finish this transaction */
@@ -2144,7 +2333,7 @@
/* this error means I've screwed up, and we've overflowed the transaction.
** Nothing can be done here, except make the FS readonly or panic.
*/
- if (SB_JOURNAL(p_s_sb)->j_len >= JOURNAL_TRANS_MAX) {
+ if (SB_JOURNAL(p_s_sb)->j_len >= SB_JOURNAL_TRANS_MAX(p_s_sb)) {
reiserfs_panic(th->t_super, "journal-1413: journal_mark_dirty: j_len (%lu) is too big\n", SB_JOURNAL(p_s_sb)->j_len) ;
}
@@ -2399,7 +2588,7 @@
/* starting with oldest, loop until we get to the start */
i = (SB_JOURNAL_LIST_INDEX(p_s_sb) + 1) % JOURNAL_LIST_COUNT ;
while(i != start) {
- if (SB_JOURNAL_LIST(p_s_sb)[i].j_len > 0 && ((now - SB_JOURNAL_LIST(p_s_sb)[i].j_timestamp) > JOURNAL_MAX_COMMIT_AGE ||
+ if (SB_JOURNAL_LIST(p_s_sb)[i].j_len > 0 && ((now - SB_JOURNAL_LIST(p_s_sb)[i].j_timestamp) > SB_JOURNAL_MAX_COMMIT_AGE(p_s_sb) ||
immediate)) {
/* we have to check again to be sure the current transaction did not change */
if (i != SB_JOURNAL_LIST_INDEX(p_s_sb)) {
@@ -2415,7 +2604,7 @@
if (!immediate && atomic_read(&(SB_JOURNAL(p_s_sb)->j_wcount)) <= 0 &&
SB_JOURNAL(p_s_sb)->j_trans_start_time > 0 &&
SB_JOURNAL(p_s_sb)->j_len > 0 &&
- (now - SB_JOURNAL(p_s_sb)->j_trans_start_time) > JOURNAL_MAX_TRANS_AGE) {
+ (now - SB_JOURNAL(p_s_sb)->j_trans_start_time) > SB_JOURNAL_MAX_TRANS_AGE(p_s_sb)) {
journal_join(&th, p_s_sb, 1) ;
reiserfs_prepare_for_journal(p_s_sb, SB_BUFFER_WITH_SB(p_s_sb), 1) ;
journal_mark_dirty(&th, p_s_sb, SB_BUFFER_WITH_SB(p_s_sb)) ;
@@ -2507,21 +2696,21 @@
/* deal with old transactions where we are the last writers */
now = CURRENT_TIME ;
- if ((now - SB_JOURNAL(p_s_sb)->j_trans_start_time) > JOURNAL_MAX_TRANS_AGE) {
+ if ((now - SB_JOURNAL(p_s_sb)->j_trans_start_time) > SB_JOURNAL_MAX_TRANS_AGE(p_s_sb)) {
commit_now = 1 ;
SB_JOURNAL(p_s_sb)->j_next_async_flush = 1 ;
}
/* don't batch when someone is waiting on j_join_wait */
/* don't batch when syncing the commit or flushing the whole trans */
if (!(SB_JOURNAL(p_s_sb)->j_must_wait > 0) && !(atomic_read(&(SB_JOURNAL(p_s_sb)->j_jlock))) && !flush && !commit_now &&
- (SB_JOURNAL(p_s_sb)->j_len < JOURNAL_MAX_BATCH) &&
- SB_JOURNAL(p_s_sb)->j_len_alloc < JOURNAL_MAX_BATCH && SB_JOURNAL(p_s_sb)->j_cnode_free > (JOURNAL_TRANS_MAX * 3)) {
+ (SB_JOURNAL(p_s_sb)->j_len < SB_JOURNAL_MAX_BATCH(p_s_sb)) &&
+ SB_JOURNAL(p_s_sb)->j_len_alloc < SB_JOURNAL_MAX_BATCH(p_s_sb) && SB_JOURNAL(p_s_sb)->j_cnode_free > (SB_JOURNAL_TRANS_MAX(p_s_sb) * 3)) {
SB_JOURNAL(p_s_sb)->j_bcount++ ;
unlock_journal(p_s_sb) ;
return 0 ;
}
- if (SB_JOURNAL(p_s_sb)->j_start > JOURNAL_BLOCK_COUNT) {
+ if (SB_JOURNAL(p_s_sb)->j_start > SB_ONDISK_JOURNAL_SIZE(p_s_sb)) {
reiserfs_panic(p_s_sb, "journal-003: journal_end: j_start (%ld) is too high\n", SB_JOURNAL(p_s_sb)->j_start) ;
}
return 1 ;
@@ -2763,7 +2952,7 @@
rs = SB_DISK_SUPER_BLOCK(p_s_sb) ;
/* setup description block */
- d_bh = sb_getblk(p_s_sb, reiserfs_get_journal_block(p_s_sb) + SB_JOURNAL(p_s_sb)->j_start) ;
+ d_bh = getblk(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + SB_JOURNAL(p_s_sb)->j_start, p_s_sb->s_blocksize) ;
mark_buffer_uptodate(d_bh, 1) ;
desc = (struct reiserfs_journal_desc *)(d_bh)->b_data ;
memset(desc, 0, sizeof(struct reiserfs_journal_desc)) ;
@@ -2771,8 +2960,9 @@
desc->j_trans_id = cpu_to_le32(SB_JOURNAL(p_s_sb)->j_trans_id) ;
/* setup commit block. Don't write (keep it clean too) this one until after everyone else is written */
- c_bh = sb_getblk(p_s_sb, reiserfs_get_journal_block(p_s_sb) +
- ((SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL(p_s_sb)->j_len + 1) % JOURNAL_BLOCK_COUNT)) ;
+ c_bh = getblk(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ ((SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL(p_s_sb)->j_len + 1) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)),
+ p_s_sb->s_blocksize) ;
commit = (struct reiserfs_journal_commit *)c_bh->b_data ;
memset(commit, 0, sizeof(struct reiserfs_journal_commit)) ;
commit->j_trans_id = cpu_to_le32(SB_JOURNAL(p_s_sb)->j_trans_id) ;
@@ -2815,8 +3005,10 @@
last_cn->next = jl_cn ;
}
last_cn = jl_cn ;
- if (cn->bh->b_blocknr >= reiserfs_get_journal_block(p_s_sb) &&
- cn->bh->b_blocknr < (reiserfs_get_journal_block(p_s_sb) + JOURNAL_BLOCK_COUNT)) {
+ /* make sure the block we are trying to log is not a block
+ of journal or reserved area */
+
+ if (is_block_in_log_or_reserved_area(p_s_sb, cn->bh->b_blocknr)) {
reiserfs_panic(p_s_sb, "journal-2332: Trying to log block %lu, which is a log block\n", cn->bh->b_blocknr) ;
}
jl_cn->blocknr = cn->bh->b_blocknr ;
@@ -2860,8 +3052,9 @@
/* copy all the real blocks into log area. dirty log blocks */
if (test_bit(BH_JDirty, &cn->bh->b_state)) {
struct buffer_head *tmp_bh ;
- tmp_bh = sb_getblk(p_s_sb, reiserfs_get_journal_block(p_s_sb) +
- ((cur_write_start + jindex) % JOURNAL_BLOCK_COUNT)) ;
+ tmp_bh = getblk(SB_JOURNAL_DEV(p_s_sb), SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ ((cur_write_start + jindex) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)),
+ p_s_sb->s_blocksize) ;
mark_buffer_uptodate(tmp_bh, 1) ;
memcpy(tmp_bh->b_data, cn->bh->b_data, cn->bh->b_size) ;
jindex++ ;
@@ -2922,7 +3115,7 @@
/* reset journal values for the next transaction */
old_start = SB_JOURNAL(p_s_sb)->j_start ;
- SB_JOURNAL(p_s_sb)->j_start = (SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL(p_s_sb)->j_len + 2) % JOURNAL_BLOCK_COUNT;
+ SB_JOURNAL(p_s_sb)->j_start = (SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL(p_s_sb)->j_len + 2) % SB_ONDISK_JOURNAL_SIZE(p_s_sb);
atomic_set(&(SB_JOURNAL(p_s_sb)->j_wcount), 0) ;
SB_JOURNAL(p_s_sb)->j_bcount = 0 ;
SB_JOURNAL(p_s_sb)->j_last = NULL ;
@@ -2943,12 +3136,12 @@
for (i = 0 ; i < JOURNAL_LIST_COUNT ; i++) {
jindex = i ;
if (SB_JOURNAL_LIST(p_s_sb)[jindex].j_len > 0 && SB_JOURNAL(p_s_sb)->j_start <= SB_JOURNAL_LIST(p_s_sb)[jindex].j_start) {
- if ((SB_JOURNAL(p_s_sb)->j_start + JOURNAL_TRANS_MAX + 1) >= SB_JOURNAL_LIST(p_s_sb)[jindex].j_start) {
+ if ((SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL_TRANS_MAX(p_s_sb) + 1) >= SB_JOURNAL_LIST(p_s_sb)[jindex].j_start) {
flush_journal_list(p_s_sb, SB_JOURNAL_LIST(p_s_sb) + jindex, 1) ;
}
} else if (SB_JOURNAL_LIST(p_s_sb)[jindex].j_len > 0 &&
- (SB_JOURNAL(p_s_sb)->j_start + JOURNAL_TRANS_MAX + 1) > JOURNAL_BLOCK_COUNT) {
- if (((SB_JOURNAL(p_s_sb)->j_start + JOURNAL_TRANS_MAX + 1) % JOURNAL_BLOCK_COUNT) >=
+ (SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL_TRANS_MAX(p_s_sb) + 1) > SB_ONDISK_JOURNAL_SIZE(p_s_sb)) {
+ if (((SB_JOURNAL(p_s_sb)->j_start + SB_JOURNAL_TRANS_MAX(p_s_sb) + 1) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)) >=
SB_JOURNAL_LIST(p_s_sb)[jindex].j_start) {
flush_journal_list(p_s_sb, SB_JOURNAL_LIST(p_s_sb) + jindex, 1 ) ;
}
@@ -2956,7 +3149,7 @@
/* this check should always be run, to send old lists to disk */
if (SB_JOURNAL_LIST(p_s_sb)[jindex].j_len > 0 &&
SB_JOURNAL_LIST(p_s_sb)[jindex].j_timestamp <
- (CURRENT_TIME - (JOURNAL_MAX_TRANS_AGE * 4))) {
+ (CURRENT_TIME - (SB_JOURNAL_MAX_TRANS_AGE(p_s_sb) * 4))) {
flush_journal_list(p_s_sb, SB_JOURNAL_LIST(p_s_sb) + jindex, 1 ) ;
}
}
diff -urN linux-2.5.2-pre11/fs/reiserfs/objectid.c linux-2.5.2-pre11-patched/fs/reiserfs/objectid.c
--- linux-2.5.2-pre11/fs/reiserfs/objectid.c Fri Nov 9 22:18:25 2001
+++ linux-2.5.2-pre11-patched/fs/reiserfs/objectid.c Fri Jan 11 17:18:56 2002
@@ -5,9 +5,10 @@
#include <linux/config.h>
#include <linux/string.h>
#include <linux/locks.h>
+#include <linux/random.h>
#include <linux/sched.h>
#include <linux/reiserfs_fs.h>
-
+#include <linux/reiserfs_fs_sb.h>
// find where objectid map starts
#define objectid_map(s,rs) (old_format_only (s) ? \
@@ -145,7 +146,7 @@
}
/* JDM comparing two little-endian values for equality -- safe */
- if (rs->s_oid_cursize == rs->s_oid_maxsize) {
+ if (sb_oid_cursize(rs) == sb_oid_maxsize(rs)) {
/* objectid map must be expanded, but there is no space */
PROC_INFO_INC( s, leaked_oid );
return;
@@ -169,9 +170,9 @@
int reiserfs_convert_objectid_map_v1(struct super_block *s) {
struct reiserfs_super_block *disk_sb = SB_DISK_SUPER_BLOCK (s);
- int cur_size = le16_to_cpu(disk_sb->s_oid_cursize) ;
+ int cur_size = sb_oid_cursize(disk_sb);
int new_size = (s->s_blocksize - SB_SIZE) / sizeof(__u32) / 2 * 2 ;
- int old_max = le16_to_cpu(disk_sb->s_oid_maxsize) ;
+ int old_max = sb_oid_maxsize(disk_sb);
struct reiserfs_super_block_v1 *disk_sb_v1 ;
__u32 *objectid_map, *new_objectid_map ;
int i ;
@@ -185,7 +186,7 @@
** map
*/
objectid_map[new_size - 1] = objectid_map[cur_size - 1] ;
- disk_sb->s_oid_cursize = cpu_to_le16(new_size) ;
+ set_sb_oid_cursize(disk_sb,new_size) ;
}
/* move the smaller objectid map past the end of the new super */
for (i = new_size - 1 ; i >= 0 ; i--) {
@@ -194,9 +195,11 @@
/* set the max size so we don't overflow later */
- disk_sb->s_oid_maxsize = cpu_to_le16(new_size) ;
+ set_sb_oid_maxsize(disk_sb,new_size) ;
/* finally, zero out the unused chunk of the new super */
+ memset(disk_sb->s_label, 0, sizeof(disk_sb->s_label)) ;
+ generate_random_uuid(disk_sb->s_uuid);
memset(disk_sb->s_unused, 0, sizeof(disk_sb->s_unused)) ;
return 0 ;
}
diff -urN linux-2.5.2-pre11/fs/reiserfs/prints.c linux-2.5.2-pre11-patched/fs/reiserfs/prints.c
--- linux-2.5.2-pre11/fs/reiserfs/prints.c Fri Jan 11 17:22:40 2002
+++ linux-2.5.2-pre11-patched/fs/reiserfs/prints.c Fri Jan 11 17:18:56 2002
@@ -485,12 +485,13 @@
char *version;
- if (strncmp (rs->s_magic, REISERFS_SUPER_MAGIC_STRING,
- strlen ( REISERFS_SUPER_MAGIC_STRING)) == 0) {
+ if (is_reiserfs_3_5(rs)) {
version = "3.5";
- } else if( strncmp (rs->s_magic, REISER2FS_SUPER_MAGIC_STRING,
- strlen ( REISER2FS_SUPER_MAGIC_STRING)) == 0) {
+ } else if (is_reiserfs_3_6(rs)) {
version = "3.6";
+ } else if (is_reiserfs_jr(rs)) {
+ version = ((sb_version(rs) == REISERFS_VERSION_2) ?
+ "3.6" : "3.5");
} else {
return 1;
}
@@ -505,27 +506,25 @@
// someone stores reiserfs super block in some data block ;)
// skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
skipped = bh->b_blocknr;
- data_blocks = sb_block_count(rs) - skipped - 1 -
- sb_bmap_nr(rs) - (sb_orig_journal_size(rs) + 1) -
- sb_free_blocks(rs);
- printk ("Busy blocks (skipped %d, bitmaps - %d, journal blocks - %d\n"
- "1 super blocks, %d data blocks\n",
- skipped, sb_bmap_nr(rs),
- (sb_orig_journal_size(rs) + 1), data_blocks);
+ data_blocks = sb_block_count(rs) - skipped - 1 - sb_bmap_nr(rs) -
+ (!is_reiserfs_jr(rs) ? sb_jp_journal_size(rs) + 1 : sb_reserved_for_journal(rs)) -
+ sb_free_blocks(rs);
+ printk ("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
+ "1 super block, %d data blocks\n",
+ skipped, sb_bmap_nr(rs), (!is_reiserfs_jr(rs) ? (sb_jp_journal_size(rs) + 1) :
+ sb_reserved_for_journal(rs)) , data_blocks);
printk ("Root block %u\n", sb_root_block(rs));
- printk ("Journal block (first) %d\n", sb_journal_block(rs));
- printk ("Journal dev %d\n", sb_journal_dev(rs));
- printk ("Journal orig size %d\n", sb_orig_journal_size(rs));
- printk ("Filesystem state %s\n",
- (sb_state(rs) == REISERFS_VALID_FS) ? "VALID" : "ERROR");
+ printk ("Journal block (first) %d\n", sb_jp_journal_1st_block(rs));
+ printk ("Journal dev %d\n", sb_jp_journal_dev(rs));
+ printk ("Journal orig size %d\n", sb_jp_journal_size(rs));
+ printk ("FS state %d\n", sb_fs_state(rs));
printk ("Hash function \"%s\"\n",
sb_hash_function_code(rs) == TEA_HASH ? "tea" :
( sb_hash_function_code(rs) == YURA_HASH ? "rupasov" : (sb_hash_function_code(rs) == R5_HASH ? "r5" : "unknown")));
-
+
printk ("Tree height %d\n", sb_tree_height(rs));
return 0;
}
-
static int print_desc_block (struct buffer_head * bh)
{
diff -urN linux-2.5.2-pre11/fs/reiserfs/procfs.c linux-2.5.2-pre11-patched/fs/reiserfs/procfs.c
--- linux-2.5.2-pre11/fs/reiserfs/procfs.c Fri Jan 11 17:22:40 2002
+++ linux-2.5.2-pre11-patched/fs/reiserfs/procfs.c Fri Jan 11 17:18:56 2002
@@ -77,7 +77,7 @@
int len = 0;
struct super_block *sb;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue ( val_to_kdev(( int ) data) );
if( sb == NULL )
return -ENOENT;
len += sprintf( &buffer[ len ], "%s format\twith checks %s\n",
@@ -96,15 +96,6 @@
int count, int *eof, void *data )
{
int len = 0;
-
- len += sprintf( &buffer[ len ], "%s [%s]\n",
- reiserfs_get_version_string(),
-#if defined( CONFIG_REISERFS_FS_MODULE )
- "as module"
-#else
- "built into kernel"
-#endif
- );
return reiserfs_proc_tail( len, buffer, start, offset, count, eof );
}
@@ -116,8 +107,8 @@
#define D2C( x ) le16_to_cpu( x )
#define D4C( x ) le32_to_cpu( x )
-#define DF( x ) D2C( rs -> x )
-#define DFL( x ) D4C( rs -> x )
+#define DF( x ) D2C( rs -> s_v1.x )
+#define DFL( x ) D4C( rs -> s_v1.x )
#define objectid_map( s, rs ) (old_format_only (s) ? \
(__u32 *)((struct reiserfs_super_block_v1 *)rs + 1) : \
@@ -125,6 +116,8 @@
#define MAP( i ) D4C( objectid_map( sb, rs )[ i ] )
#define DJF( x ) le32_to_cpu( rs -> x )
+#define DJV( x ) le32_to_cpu( s_v1 -> x )
+#define DJP( x ) le32_to_cpu( jp -> x )
#define JF( x ) ( r -> s_journal -> x )
int reiserfs_super_in_proc( char *buffer, char **start, off_t offset,
@@ -134,7 +127,7 @@
struct reiserfs_sb_info *r;
int len = 0;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue( val_to_kdev( ( int ) data ) );
if( sb == NULL )
return -ENOENT;
r = &sb->u.reiserfs_sb;
@@ -214,7 +207,7 @@
int len = 0;
int level;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue( val_to_kdev( ( int ) data ) );
if( sb == NULL )
return -ENOENT;
r = &sb->u.reiserfs_sb;
@@ -293,7 +286,7 @@
struct reiserfs_sb_info *r = &sb->u.reiserfs_sb;
int len = 0;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue( val_to_kdev( ( int ) data ) );
if( sb == NULL )
return -ENOENT;
r = &sb->u.reiserfs_sb;
@@ -334,7 +327,7 @@
int hash_code;
int len = 0;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue( val_to_kdev( ( int ) data ) );
if( sb == NULL )
return -ENOENT;
sb_info = &sb->u.reiserfs_sb;
@@ -348,12 +341,14 @@
"blocksize: \t%i\n"
"oid_maxsize: \t%i\n"
"oid_cursize: \t%i\n"
- "state: \t%i\n"
- "magic: \t%12.12s\n"
+ "umount_state: \t%i\n"
+ "magic: \t%10.10s\n"
+ "fs_state: \t%i\n"
"hash: \t%s\n"
"tree_height: \t%i\n"
"bmap_nr: \t%i\n"
- "version: \t%i\n",
+ "version: \t%i\n"
+ "reserved_for_journal: \t%i\n",
DFL( s_block_count ),
DFL( s_free_blocks ),
@@ -361,15 +356,17 @@
DF( s_blocksize ),
DF( s_oid_maxsize ),
DF( s_oid_cursize ),
- DF( s_state ),
- rs -> s_magic,
+ DF( s_umount_state ),
+ rs -> s_v1.s_magic,
+ DF( s_fs_state ),
hash_code == TEA_HASH ? "tea" :
( hash_code == YURA_HASH ) ? "rupasov" :
( hash_code == R5_HASH ) ? "r5" :
( hash_code == UNSET_HASH ) ? "unset" : "unknown",
DF( s_tree_height ),
DF( s_bmap_nr ),
- DF( s_version ) );
+ DF( s_version ),
+ DF (s_reserved_for_journal));
procinfo_epilogue( sb );
return reiserfs_proc_tail( len, buffer, start, offset, count, eof );
@@ -387,12 +384,12 @@
int len = 0;
int exact;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue( val_to_kdev( ( int ) data ) );
if( sb == NULL )
return -ENOENT;
sb_info = &sb->u.reiserfs_sb;
rs = sb_info -> s_rs;
- mapsize = le16_to_cpu( rs -> s_oid_cursize );
+ mapsize = le16_to_cpu( rs -> s_v1.s_oid_cursize );
total_used = 0;
for( i = 0 ; i < mapsize ; ++i ) {
@@ -423,7 +420,7 @@
}
len += sprintf( &buffer[ len ], "total: \t%i [%i/%i] used: %lu [%s]\n",
i,
- mapsize, le16_to_cpu( rs -> s_oid_maxsize ),
+ mapsize, le16_to_cpu( rs -> s_v1.s_oid_maxsize ),
total_used, exact ? "exact" : "estimation" );
procinfo_epilogue( sb );
@@ -436,25 +433,28 @@
struct super_block *sb;
struct reiserfs_sb_info *r;
struct reiserfs_super_block *rs;
+ struct journal_params *jp;
int len = 0;
- sb = procinfo_prologue( ( kdev_t ) ( int ) data );
+ sb = procinfo_prologue( val_to_kdev( ( int ) data ) );
if( sb == NULL )
return -ENOENT;
r = &sb->u.reiserfs_sb;
rs = r -> s_rs;
+ jp = &rs->s_v1.s_journal;
len += sprintf( &buffer[ len ],
/* on-disk fields */
- "s_journal_block: \t%i\n"
- "s_journal_dev: \t%s[%x]\n"
- "s_orig_journal_size: \t%i\n"
- "s_journal_trans_max: \t%i\n"
- "s_journal_block_count: \t%i\n"
- "s_journal_max_batch: \t%i\n"
- "s_journal_max_commit_age: \t%i\n"
- "s_journal_max_trans_age: \t%i\n"
+ "jp_journal_1st_block: \t%i\n"
+ "jp_journal_dev: \t%s[%x]\n"
+ "jp_journal_size: \t%i\n"
+ "jp_journal_trans_max: \t%i\n"
+ "jp_journal_magic: \t%i\n"
+ "jp_journal_max_batch: \t%i\n"
+ "jp_journal_max_commit_age: \t%i\n"
+ "jp_journal_max_trans_age: \t%i\n"
/* incore fields */
+ "j_1st_reserved_block: \t%i\n"
"j_state: \t%i\n"
"j_trans_id: \t%lu\n"
"j_mount_id: \t%lu\n"
@@ -490,16 +490,17 @@
"prepare: \t%12lu\n"
"prepare_retry: \t%12lu\n",
- DJF( s_journal_block ),
- DJF( s_journal_dev ) == 0 ? "none" : bdevname( DJF( s_journal_dev ) ),
- DJF( s_journal_dev ),
- DJF( s_orig_journal_size ),
- DJF( s_journal_trans_max ),
- DJF( s_journal_block_count ),
- DJF( s_journal_max_batch ),
- DJF( s_journal_max_commit_age ),
- DJF( s_journal_max_trans_age ),
-
+ DJP( jp_journal_1st_block ),
+ DJP( jp_journal_dev ) == 0 ? "none" : bdevname(val_to_kdev(DJP( jp_journal_dev ))),
+ DJP( jp_journal_dev ),
+ DJP( jp_journal_size ),
+ DJP( jp_journal_trans_max ),
+ DJP( jp_journal_magic ),
+ DJP( jp_journal_max_batch ),
+ DJP( jp_journal_max_commit_age ),
+ DJP( jp_journal_max_trans_age ),
+
+ JF( j_1st_reserved_block ),
JF( j_state ),
JF( j_trans_id ),
JF( j_mount_id ),
@@ -578,7 +579,7 @@
{
return ( sb->u.reiserfs_sb.procdir ) ? create_proc_read_entry
( name, 0, sb->u.reiserfs_sb.procdir, func,
- ( void * ) ( int ) sb -> s_dev ) : NULL;
+ ( void * ) ( int ) kdev_val( sb -> s_dev )) : NULL;
}
void reiserfs_proc_unregister( struct super_block *sb, const char *name )
diff -urN linux-2.5.2-pre11/fs/reiserfs/resize.c linux-2.5.2-pre11-patched/fs/reiserfs/resize.c
--- linux-2.5.2-pre11/fs/reiserfs/resize.c Fri Jan 11 17:22:40 2002
+++ linux-2.5.2-pre11-patched/fs/reiserfs/resize.c Fri Jan 11 17:18:56 2002
@@ -112,7 +112,7 @@
bitmap[i] = SB_AP_BITMAP(s)[i];
for (i = bmap_nr; i < bmap_nr_new; i++) {
bitmap[i] = reiserfs_getblk(s, i * s->s_blocksize * 8);
- memset(bitmap[i]->b_data, 0, sb->s_blocksize);
+ memset(bitmap[i]->b_data, 0, sb_blocksize(sb));
reiserfs_test_and_set_le_bit(0, bitmap[i]->b_data);
mark_buffer_dirty(bitmap[i]) ;
diff -urN linux-2.5.2-pre11/fs/reiserfs/super.c linux-2.5.2-pre11-patched/fs/reiserfs/super.c
--- linux-2.5.2-pre11/fs/reiserfs/super.c Fri Jan 11 17:22:40 2002
+++ linux-2.5.2-pre11-patched/fs/reiserfs/super.c Fri Jan 11 17:18:56 2002
@@ -24,8 +24,36 @@
#define REISERFS_OLD_BLOCKSIZE 4096
#define REISERFS_SUPER_MAGIC_STRING_OFFSET_NJ 20
-char reiserfs_super_magic_string[] = REISERFS_SUPER_MAGIC_STRING;
-char reiser2fs_super_magic_string[] = REISER2FS_SUPER_MAGIC_STRING;
+const char reiserfs_3_5_magic_string[] = REISERFS_SUPER_MAGIC_STRING;
+const char reiserfs_3_6_magic_string[] = REISER2FS_SUPER_MAGIC_STRING;
+const char reiserfs_jr_magic_string[] = REISER2FS_JR_SUPER_MAGIC_STRING;
+
+int is_reiserfs_3_5 (struct reiserfs_super_block * rs)
+{
+ return !strncmp (rs->s_v1.s_magic, reiserfs_3_5_magic_string,
+ strlen (reiserfs_3_5_magic_string));
+}
+
+
+int is_reiserfs_3_6 (struct reiserfs_super_block * rs)
+{
+ return !strncmp (rs->s_v1.s_magic, reiserfs_3_6_magic_string,
+ strlen (reiserfs_3_6_magic_string));
+}
+
+
+int is_reiserfs_jr (struct reiserfs_super_block * rs)
+{
+ return !strncmp (rs->s_v1.s_magic, reiserfs_jr_magic_string,
+ strlen (reiserfs_jr_magic_string));
+}
+
+
+static int is_any_reiserfs_magic_string (struct reiserfs_super_block * rs)
+{
+ return (is_reiserfs_3_5 (rs) || is_reiserfs_3_6 (rs) ||
+ is_reiserfs_jr (rs));
+}
//
// a portion of this function, particularly the VFS interface portion,
@@ -90,7 +118,7 @@
if (!(s->s_flags & MS_RDONLY)) {
journal_begin(&th, s, 10) ;
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1) ;
- set_sb_state( SB_DISK_SUPER_BLOCK(s), s->u.reiserfs_sb.s_mount_state );
+ set_sb_umount_state( SB_DISK_SUPER_BLOCK(s), s->u.reiserfs_sb.s_mount_state );
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB (s));
}
@@ -144,7 +172,7 @@
};
/* this was (ext2)parse_options */
-static int parse_options (char * options, unsigned long * mount_options, unsigned long * blocks)
+static int parse_options (char * options, unsigned long * mount_options, unsigned long * blocks, char **jdev_name)
{
char * this_char;
char * value;
@@ -211,6 +239,13 @@
printk("reiserfs: hash option requires a value\n");
return 0 ;
}
+ } else if (!strcmp (this_char, "jdev")) {
+ if (value && *value && jdev_name) {
+ *jdev_name = value;
+ } else {
+ printk("reiserfs: jdev option requires a value\n");
+ return 0 ;
+ }
} else {
printk ("reiserfs: Unrecognized mount option %s\n", this_char);
return 0;
@@ -240,8 +275,7 @@
unsigned long mount_options;
rs = SB_DISK_SUPER_BLOCK (s);
-
- if (!parse_options(data, &mount_options, &blocks))
+ if (!parse_options(data, &mount_options, &blocks, NULL))
return 0;
if(blocks) {
@@ -257,26 +291,26 @@
if (*flags & MS_RDONLY) {
/* try to remount file system with read-only permissions */
- if (sb_state(rs) == REISERFS_VALID_FS || s->u.reiserfs_sb.s_mount_state != REISERFS_VALID_FS) {
+ if (sb_umount_state(rs) == REISERFS_VALID_FS || s->u.reiserfs_sb.s_mount_state != REISERFS_VALID_FS) {
return 0;
}
journal_begin(&th, s, 10) ;
/* Mounting a rw partition read-only. */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1) ;
- set_sb_state( rs, s->u.reiserfs_sb.s_mount_state );
+ set_sb_umount_state( rs, s->u.reiserfs_sb.s_mount_state );
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB (s));
s->s_dirt = 0;
} else {
- s->u.reiserfs_sb.s_mount_state = sb_state(rs) ;
+ s->u.reiserfs_sb.s_mount_state = sb_umount_state(rs) ;
s->s_flags &= ~MS_RDONLY ; /* now it is safe to call journal_begin */
journal_begin(&th, s, 10) ;
/* Mount a partition which is read-only, read-write */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1) ;
- s->u.reiserfs_sb.s_mount_state = sb_state(rs);
+ s->u.reiserfs_sb.s_mount_state = sb_umount_state(rs);
s->s_flags &= ~MS_RDONLY;
- set_sb_state( rs, REISERFS_ERROR_FS );
+ set_sb_umount_state( rs, REISERFS_ERROR_FS );
/* mark_buffer_dirty (SB_BUFFER_WITH_SB (s), 1); */
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB (s));
s->s_dirt = 0;
@@ -365,15 +399,15 @@
bh = sb_bread (s, offset / s->s_blocksize);
if (!bh) {
printk ("read_super_block: "
- "bread failed (dev %s, block %d, size %d)\n",
+ "bread failed (dev %s, block %lu, size %lu)\n",
s->s_id, offset / s->s_blocksize, s->s_blocksize);
return 1;
}
-
+
rs = (struct reiserfs_super_block *)bh->b_data;
- if (!is_reiserfs_magic_string (rs)) {
+ if (!is_any_reiserfs_magic_string (rs)) {
printk ("read_super_block: "
- "can't find a reiserfs filesystem on (dev %s, block %lu, size %d)\n",
+ "can't find a reiserfs filesystem on (dev %s, block %lu, size %lu)\n",
s->s_id, bh->b_blocknr, s->s_blocksize);
brelse (bh);
return 1;
@@ -389,37 +423,45 @@
bh = reiserfs_bread (s, offset / s->s_blocksize);
if (!bh) {
printk("read_super_block: "
- "bread failed (dev %s, block %d, size %d)\n",
+ "bread failed (dev %s, block %lu, size %lu)\n",
s->s_id, offset / s->s_blocksize, s->s_blocksize);
return 1;
}
rs = (struct reiserfs_super_block *)bh->b_data;
- if (!is_reiserfs_magic_string (rs) || sb_blocksize(rs) != s->s_blocksize) {
+ if (!is_any_reiserfs_magic_string (rs) || sb_blocksize(rs) != s->s_blocksize) {
printk ("read_super_block: "
- "can't find a reiserfs filesystem on (dev %s, block %lu, size %d)\n",
+ "can't find a reiserfs filesystem on (dev %s, block %lu, size %lu)\n",
s->s_id, bh->b_blocknr, s->s_blocksize);
brelse (bh);
printk ("read_super_block: can't find a reiserfs filesystem on dev %s.\n", s->s_id);
return 1;
}
- /* must check to be sure we haven't pulled an old format super out
- ** of the old format's log. This is a kludge of a check, but it
- ** will work. If block we've just read in is inside the
- ** journal for that super, it can't be valid.
- */
- if (bh->b_blocknr >= sb_journal_block(rs) &&
- bh->b_blocknr < (sb_journal_block(rs) + JOURNAL_BLOCK_COUNT)) {
- brelse(bh) ;
- printk("super-459: read_super_block: "
- "super found at block %lu is within its own log. "
- "It must not be of this format type.\n", bh->b_blocknr) ;
- return 1 ;
- }
+
SB_BUFFER_WITH_SB (s) = bh;
SB_DISK_SUPER_BLOCK (s) = rs;
- s->s_op = &reiserfs_sops;
+ if (is_reiserfs_jr (rs)) {
+ /* magic is of non-standard journal filesystem, look at s_version to
+ find which format is in use */
+ if (sb_version(rs) == REISERFS_VERSION_2)
+ printk ("reiserfs: found format \"3.6\" with non-standard journal\n");
+ else if (sb_version(rs) == REISERFS_VERSION_1)
+ printk ("reiserfs: found format \"3.5\" with non-standard journal\n");
+ else {
+ printk ("read_super_block: found unknown format \"%u\" "
+ "with non-standard magic\n", sb_version(rs));
+ return 1;
+ }
+ }
+ else
+ /* s_version may contain incorrect information. Look at the magic
+ string */
+ printk ("reiserfs: found format \"%s\" with standard journal\n",
+ is_reiserfs_3_5 (rs) ? "3.5" : "3.6");
+
+ s->s_op = &reiserfs_sops;
+
/* new format is limited by the 32 bit wide i_blocks field, want to
** be one full block below that.
*/
@@ -612,11 +654,11 @@
unsigned long blocks;
int jinit_done = 0 ;
struct reiserfs_iget4_args args ;
-
+ char *jdev_name;
memset (&s->u.reiserfs_sb, 0, sizeof (struct reiserfs_sb_info));
-
- if (parse_options ((char *) data, &(s->u.reiserfs_sb.s_mount_opt), &blocks) == 0) {
+ jdev_name = NULL;
+ if (parse_options ((char *) data, &(s->u.reiserfs_sb.s_mount_opt), &blocks, &jdev_name) == 0) {
return NULL;
}
@@ -627,17 +669,14 @@
size = block_size(s->s_dev);
sb_set_blocksize(s, size);
-
- /* read block (64-th 1k block), which can contain reiserfs super block */
- if (read_super_block (s, REISERFS_DISK_OFFSET_IN_BYTES)) {
- // try old format (undistributed bitmap, super block in 8-th 1k block of a device)
- sb_set_blocksize(s, size);
- if (read_super_block (s, REISERFS_OLD_DISK_OFFSET_IN_BYTES))
- goto error;
- else
- old_format = 1;
- }
-
+
+ /* try old format (undistributed bitmap, super block in 8-th 1k block of a device) */
+ if (!read_super_block (s, REISERFS_OLD_DISK_OFFSET_IN_BYTES))
+ old_format = 1;
+ /* try new format (64-th 1k block), which can contain reiserfs super block */
+ else if (read_super_block (s, REISERFS_DISK_OFFSET_IN_BYTES))
+ goto error;
+
s->u.reiserfs_sb.s_mount_state = SB_REISERFS_STATE(s);
s->u.reiserfs_sb.s_mount_state = REISERFS_VALID_FS ;
@@ -651,7 +690,7 @@
#endif
// set_device_ro(s->s_dev, 1) ;
- if (journal_init(s)) {
+ if( journal_init(s, jdev_name, old_format) ) {
printk("reiserfs_read_super: unable to initialize journal space\n") ;
goto error ;
} else {
@@ -694,33 +733,30 @@
if (!(s->s_flags & MS_RDONLY)) {
struct reiserfs_super_block * rs = SB_DISK_SUPER_BLOCK (s);
- int old_magic;
-
- old_magic = strncmp (rs->s_magic, REISER2FS_SUPER_MAGIC_STRING,
- strlen ( REISER2FS_SUPER_MAGIC_STRING));
- if( old_magic && le16_to_cpu(rs->s_version) != 0 ) {
- dput(s->s_root) ;
- s->s_root = NULL ;
- reiserfs_warning("reiserfs: wrong version/magic combination in the super-block\n") ;
- goto error ;
- }
journal_begin(&th, s, 1) ;
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1) ;
- set_sb_state( rs, REISERFS_ERROR_FS );
-
- if ( old_magic ) {
- // filesystem created under 3.5.x found
- if (!old_format_only (s)) {
- reiserfs_warning("reiserfs: converting 3.5.x filesystem to the new format\n") ;
- // after this 3.5.x will not be able to mount this partition
- memcpy (rs->s_magic, REISER2FS_SUPER_MAGIC_STRING,
- sizeof (REISER2FS_SUPER_MAGIC_STRING));
-
- reiserfs_convert_objectid_map_v1(s) ;
- } else {
- reiserfs_warning("reiserfs: using 3.5.x disk format\n") ;
+ set_sb_umount_state( rs, REISERFS_ERROR_FS );
+ set_sb_fs_state (rs, 0);
+
+ if (is_reiserfs_3_5 (rs) || (is_reiserfs_jr (rs) && SB_VERSION (s) == REISERFS_VERSION_1)) {
+ /* filesystem of format 3.5 either with standard or non-standard
+ journal */
+ if (!old_format_only (s)) {
+ /* and -o conv is given */
+ reiserfs_warning ("reiserfs: converting 3.5 filesystem to the 3.6 format\n") ;
+
+ if (is_reiserfs_3_5 (rs))
+ /* put magic string of 3.6 format. 2.2 will not be able to
+ mount this filesystem anymore */
+ memcpy (rs->s_v1.s_magic, reiserfs_3_6_magic_string,
+ sizeof (reiserfs_3_6_magic_string));
+
+ set_sb_version(rs,REISERFS_VERSION_2);
+ reiserfs_convert_objectid_map_v1(s) ;
+ } else {
+ reiserfs_warning("reiserfs: using 3.5.x disk format\n") ;
}
} else {
// new format found
@@ -733,12 +769,6 @@
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB (s));
journal_end(&th, s, 1) ;
s->s_dirt = 0;
- } else {
- struct reiserfs_super_block * rs = SB_DISK_SUPER_BLOCK (s);
- if (strncmp (rs->s_magic, REISER2FS_SUPER_MAGIC_STRING,
- strlen ( REISER2FS_SUPER_MAGIC_STRING))) {
- reiserfs_warning("reiserfs: using 3.5.x disk format\n") ;
- }
}
reiserfs_proc_info_init( s );
@@ -751,7 +781,6 @@
reiserfs_proc_register( s, "journal", reiserfs_journal_in_proc );
init_waitqueue_head (&(s->u.reiserfs_sb.s_wait));
- printk("%s\n", reiserfs_get_version_string()) ;
return s;
error:
diff -urN linux-2.5.2-pre11/fs/reiserfs/version.c linux-2.5.2-pre11-patched/fs/reiserfs/version.c
--- linux-2.5.2-pre11/fs/reiserfs/version.c Mon Jan 15 20:42:32 2001
+++ linux-2.5.2-pre11-patched/fs/reiserfs/version.c Thu Jan 1 01:00:00 1970
@@ -1,7 +0,0 @@
-/*
- * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
- */
-
-char *reiserfs_get_version_string(void) {
- return "ReiserFS version 3.6.25" ;
-}
diff -urN linux-2.5.2-pre11/include/linux/reiserfs_fs.h linux-2.5.2-pre11-patched/include/linux/reiserfs_fs.h
--- linux-2.5.2-pre11/include/linux/reiserfs_fs.h Fri Jan 11 17:22:43 2002
+++ linux-2.5.2-pre11-patched/include/linux/reiserfs_fs.h Fri Jan 11 17:18:56 2002
@@ -129,6 +129,138 @@
* Structure of super block on disk, a version of which in RAM is often accessed as s->u.reiserfs_sb.s_rs
* the version in RAM is part of a larger structure containing fields never written to disk.
*/
+#define UNSET_HASH 0 // read_super will guess about, what hash names
+ // in directories were sorted with
+#define TEA_HASH 1
+#define YURA_HASH 2
+#define R5_HASH 3
+#define DEFAULT_HASH R5_HASH
+
+
+struct journal_params {
+ __u32 jp_journal_1st_block; /* where does journal start from on its
+ * device */
+ __u32 jp_journal_dev; /* journal device st_rdev */
+ __u32 jp_journal_size; /* size of the journal */
+ __u32 jp_journal_trans_max; /* max number of blocks in a transaction. */
+ __u32 jp_journal_magic; /* random value made on fs creation (this
+ * was sb_journal_block_count) */
+ __u32 jp_journal_max_batch; /* max number of blocks to batch into a
+ * trans */
+ __u32 jp_journal_max_commit_age; /* in seconds, how old can an async
+ * commit be */
+ __u32 jp_journal_max_trans_age; /* in seconds, how old can a transaction
+ * be */
+};
+
+/* this is the super from 3.5.X, where X >= 10 */
+struct reiserfs_super_block_v1
+{
+ __u32 s_block_count; /* blocks count */
+ __u32 s_free_blocks; /* free blocks count */
+ __u32 s_root_block; /* root block number */
+ struct journal_params s_journal;
+ __u16 s_blocksize; /* block size */
+ __u16 s_oid_maxsize; /* max size of object id array, see
+ * get_objectid() commentary */
+ __u16 s_oid_cursize; /* current size of object id array */
+ __u16 s_umount_state; /* this is set to 1 when filesystem was
+ * umounted, to 2 - when not */
+ char s_magic[10]; /* reiserfs magic string indicates that
+ * file system is reiserfs:
+ * "ReIsErFs" or "ReIsEr2Fs" or "ReIsEr3Fs" */
+ __u16 s_fs_state; /* it is set to used by fsck to mark which
+ * phase of rebuilding is done */
+ __u32 s_hash_function_code; /* indicate, what hash function is being use
+ * to sort names in a directory*/
+ __u16 s_tree_height; /* height of disk tree */
+ __u16 s_bmap_nr; /* amount of bitmap blocks needed to address
+ * each block of file system */
+ __u16 s_version; /* this field is only reliable on filesystem
+ * with non-standard journal */
+ __u16 s_reserved_for_journal; /* size in blocks of journal area on main
+ * device, we need to keep after
+ * making fs with non-standard journal */
+} __attribute__ ((__packed__));
+
+#define SB_SIZE_V1 (sizeof(struct reiserfs_super_block_v1))
+
+/* this is the on disk super block */
+struct reiserfs_super_block
+{
+ struct reiserfs_super_block_v1 s_v1;
+ __u32 s_inode_generation;
+ __u32 s_flags; /* Right now used only by inode-attributes, if enabled */
+ unsigned char s_uuid[16]; /* filesystem unique identifier */
+ unsigned char s_label[16]; /* filesystem volume label */
+ char s_unused[88] ; /* zero filled by mkreiserfs and
+ * reiserfs_convert_objectid_map_v1()
+ * so any additions must be updated
+ * there as well. */
+} __attribute__ ((__packed__));
+
+#define SB_SIZE (sizeof(struct reiserfs_super_block))
+
+#define REISERFS_VERSION_1 0
+#define REISERFS_VERSION_2 2
+
+
+// on-disk super block fields converted to cpu form
+#define SB_DISK_SUPER_BLOCK(s) ((s)->u.reiserfs_sb.s_rs)
+#define SB_V1_DISK_SUPER_BLOCK(s) (&(SB_DISK_SUPER_BLOCK(s)->s_v1))
+#define SB_BLOCKSIZE(s) \
+ le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_blocksize))
+#define SB_BLOCK_COUNT(s) \
+ le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_block_count))
+#define SB_FREE_BLOCKS(s) \
+ le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_free_blocks))
+#define SB_REISERFS_MAGIC(s) \
+ (SB_V1_DISK_SUPER_BLOCK(s)->s_magic)
+#define SB_ROOT_BLOCK(s) \
+ le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_root_block))
+#define SB_TREE_HEIGHT(s) \
+ le16_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_tree_height))
+#define SB_REISERFS_STATE(s) \
+ le16_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_umount_state))
+#define SB_VERSION(s) le16_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_version))
+#define SB_BMAP_NR(s) le16_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_bmap_nr))
+
+#define PUT_SB_BLOCK_COUNT(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_block_count = cpu_to_le32(val); } while (0)
+#define PUT_SB_FREE_BLOCKS(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_free_blocks = cpu_to_le32(val); } while (0)
+#define PUT_SB_ROOT_BLOCK(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_root_block = cpu_to_le32(val); } while (0)
+#define PUT_SB_TREE_HEIGHT(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_tree_height = cpu_to_le16(val); } while (0)
+#define PUT_SB_REISERFS_STATE(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_umount_state = cpu_to_le16(val); } while (0)
+#define PUT_SB_VERSION(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_version = cpu_to_le16(val); } while (0)
+#define PUT_SB_BMAP_NR(s, val) \
+ do { SB_V1_DISK_SUPER_BLOCK(s)->s_bmap_nr = cpu_to_le16 (val); } while (0)
+
+
+#define SB_ONDISK_JP(s) (&SB_V1_DISK_SUPER_BLOCK(s)->s_journal)
+#define SB_ONDISK_JOURNAL_SIZE(s) \
+ le32_to_cpu ((SB_ONDISK_JP(s)->jp_journal_size))
+#define SB_ONDISK_JOURNAL_1st_BLOCK(s) \
+ le32_to_cpu ((SB_ONDISK_JP(s)->jp_journal_1st_block))
+#define SB_ONDISK_JOURNAL_DEVICE(s) \
+ le32_to_cpu ((SB_ONDISK_JP(s)->jp_journal_dev))
+#define SB_ONDISK_RESERVED_FOR_JOURNAL(s) \
+ le32_to_cpu ((SB_V1_DISK_SUPER_BLOCK(s)->s_reserved_for_journal))
+
+#define is_block_in_log_or_reserved_area(s, block) \
+ block >= SB_JOURNAL_1st_RESERVED_BLOCK(s) \
+ && block < SB_JOURNAL_1st_RESERVED_BLOCK(s) + \
+ ((!is_reiserfs_jr(SB_DISK_SUPER_BLOCK(s)) ? \
+ SB_ONDISK_JOURNAL_SIZE(s) + 1 : SB_ONDISK_RESERVED_FOR_JOURNAL(s)))
+
+#define old_format_only(s) ((SB_VERSION(s) != REISERFS_VERSION_2) \
+ && !((s)->u.reiserfs_sb.s_mount_opt & (1 << REISERFS_CONVERT)))
+
+
/* used by gcc */
#define REISERFS_SUPER_MAGIC 0x52654973
@@ -136,17 +268,17 @@
look at the superblock, etc. */
#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
+#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
-extern char reiserfs_super_magic_string[];
-extern char reiser2fs_super_magic_string[];
+extern const char reiserfs_3_5_magic_string[];
+extern const char reiserfs_3_6_magic_string[];
+extern const char reiserfs_jr_magic_string[];
+
+int is_reiserfs_3_5 (struct reiserfs_super_block * rs);
+int is_reiserfs_3_6 (struct reiserfs_super_block * rs);
+int is_reiserfs_jr (struct reiserfs_super_block * rs);
+
-static inline int is_reiserfs_magic_string (const struct reiserfs_super_block * rs)
-{
- return (!strncmp (rs->s_magic, reiserfs_super_magic_string,
- strlen ( reiserfs_super_magic_string)) ||
- !strncmp (rs->s_magic, reiser2fs_super_magic_string,
- strlen ( reiser2fs_super_magic_string)));
-}
/* ReiserFS leaves the first 64k unused,
so that partition labels have enough
@@ -159,6 +291,7 @@
break. -Hans */
#define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024)
#define REISERFS_FIRST_BLOCK unused_define
+#define REISERFS_JOURNAL_OFFSET_IN_BYTES REISERFS_DISK_OFFSET_IN_BYTES
/* the spot for the super in versions 3.5 - 3.5.10 (inclusive) */
#define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024)
@@ -234,7 +367,7 @@
/*
- * values for s_state field
+ * values for s_umount_state field
*/
#define REISERFS_VALID_FS 1
#define REISERFS_ERROR_FS 2
@@ -1621,6 +1754,7 @@
__u32 j_last_flush_trans_id ; /* id of last fully flushed transaction */
__u32 j_first_unflushed_offset ; /* offset in the log of where to start replay after a crash */
__u32 j_mount_id ;
+ /* 12 */ struct journal_params jh_journal;
} ;
extern task_queue reiserfs_commit_thread_tq ;
@@ -1628,7 +1762,10 @@
/* biggest tunable defines are right here */
#define JOURNAL_BLOCK_COUNT 8192 /* number of blocks in the journal */
-#define JOURNAL_MAX_BATCH 900 /* max blocks to batch into one transaction, don't make this any bigger than 900 */
+#define JOURNAL_TRANS_MAX_DEFAULT 1024 /* biggest possible single transaction, don't change for now (8/3/99) */
+#define JOURNAL_TRANS_MIN_DEFAULT 256
+#define JOURNAL_MAX_BATCH_DEFAULT 900 /* max blocks to batch into one transaction, don't make this any bigger than 900 */
+#define JOURNAL_MIN_RATIO 2
#define JOURNAL_MAX_COMMIT_AGE 30
#define JOURNAL_MAX_TRANS_AGE 30
#define JOURNAL_PER_BALANCE_CNT (3 * (MAX_HEIGHT-2) + 9)
@@ -1666,7 +1803,7 @@
void reiserfs_check_lock_depth(char *caller) ;
void reiserfs_prepare_for_journal(struct super_block *, struct buffer_head *bh, int wait) ;
void reiserfs_restore_prepared_buffer(struct super_block *, struct buffer_head *bh) ;
-int journal_init(struct super_block *) ;
+int journal_init(struct super_block *, const char * j_dev_name, int old_format) ;
int journal_release(struct reiserfs_transaction_handle*, struct super_block *) ;
int journal_release_error(struct reiserfs_transaction_handle*, struct super_block *) ;
int journal_end(struct reiserfs_transaction_handle *, struct super_block *, unsigned long) ;
@@ -2087,9 +2224,6 @@
__u32 yura_hash (const signed char *msg, int len);
__u32 r5_hash (const signed char *msg, int len);
-/* version.c */
-const char *reiserfs_get_version_string(void) CONSTF;
-
/* the ext2 bit routines adjust for big or little endian as
** appropriate for the arch, so in our laziness we use them rather
** than using the bit routines they call more directly. These
@@ -2185,12 +2319,6 @@
absolutely safe */
#define SPARE_SPACE 500
-static inline unsigned long reiserfs_get_journal_block(const struct super_block *s) {
- return le32_to_cpu(SB_DISK_SUPER_BLOCK(s)->s_journal_block) ;
-}
-static inline unsigned long reiserfs_get_journal_orig_size(const struct super_block *s) {
- return le32_to_cpu(SB_DISK_SUPER_BLOCK(s)->s_orig_journal_size) ;
-}
/* prototypes from ioctl.c */
int reiserfs_ioctl (struct inode * inode, struct file * filp,
diff -urN linux-2.5.2-pre11/include/linux/reiserfs_fs_sb.h linux-2.5.2-pre11-patched/include/linux/reiserfs_fs_sb.h
--- linux-2.5.2-pre11/include/linux/reiserfs_fs_sb.h Sun Dec 16 23:43:25 2001
+++ linux-2.5.2-pre11-patched/include/linux/reiserfs_fs_sb.h Fri Jan 11 17:18:56 2002
@@ -8,140 +8,71 @@
#include <linux/tqueue.h>
#endif
-//
-// super block's field values
-//
-/*#define REISERFS_VERSION 0 undistributed bitmap */
-/*#define REISERFS_VERSION 1 distributed bitmap and resizer*/
-#define REISERFS_VERSION_2 2 /* distributed bitmap, resizer, 64-bit, etc*/
-#define UNSET_HASH 0 // read_super will guess about, what hash names
- // in directories were sorted with
-#define TEA_HASH 1
-#define YURA_HASH 2
-#define R5_HASH 3
-#define DEFAULT_HASH R5_HASH
-/* this is the on disk super block */
-
-struct reiserfs_super_block
-{
- __u32 s_block_count;
- __u32 s_free_blocks; /* free blocks count */
- __u32 s_root_block; /* root block number */
- __u32 s_journal_block; /* journal block number */
- __u32 s_journal_dev; /* journal device number */
-
- /* Since journal size is currently a #define in a header file, if
- ** someone creates a disk with a 16MB journal and moves it to a
- ** system with 32MB journal default, they will overflow their journal
- ** when they mount the disk. s_orig_journal_size, plus some checks
- ** while mounting (inside journal_init) prevent that from happening
- */
-
- /* great comment Chris. Thanks. -Hans */
-
- __u32 s_orig_journal_size;
- __u32 s_journal_trans_max ; /* max number of blocks in a transaction. */
- __u32 s_journal_block_count ; /* total size of the journal. can change over time */
- __u32 s_journal_max_batch ; /* max number of blocks to batch into a trans */
- __u32 s_journal_max_commit_age ; /* in seconds, how old can an async commit be */
- __u32 s_journal_max_trans_age ; /* in seconds, how old can a transaction be */
- __u16 s_blocksize; /* block size */
- __u16 s_oid_maxsize; /* max size of object id array, see get_objectid() commentary */
- __u16 s_oid_cursize; /* current size of object id array */
- __u16 s_state; /* valid or error */
- char s_magic[12]; /* reiserfs magic string indicates that file system is reiserfs */
- __u32 s_hash_function_code; /* indicate, what hash function is being use to sort names in a directory*/
- __u16 s_tree_height; /* height of disk tree */
- __u16 s_bmap_nr; /* amount of bitmap blocks needed to address each block of file system */
- __u16 s_version; /* I'd prefer it if this was a string,
- something like "3.6.4", and maybe
- 16 bytes long mostly unused. We
- don't need to save bytes in the
- superblock. -Hans */
- __u16 s_reserved;
- __u32 s_inode_generation;
- char s_unused[124] ; /* zero filled by mkreiserfs */
-} __attribute__ ((__packed__));
-
-#define SB_SIZE (sizeof(struct reiserfs_super_block))
/* struct reiserfs_super_block accessors/mutators
* since this is a disk structure, it will always be in
* little endian format. */
-#define sb_block_count(sbp) (le32_to_cpu((sbp)->s_block_count))
-#define set_sb_block_count(sbp,v) ((sbp)->s_block_count = cpu_to_le32(v))
-#define sb_free_blocks(sbp) (le32_to_cpu((sbp)->s_free_blocks))
-#define set_sb_free_blocks(sbp,v) ((sbp)->s_free_blocks = cpu_to_le32(v))
-#define sb_root_block(sbp) (le32_to_cpu((sbp)->s_root_block))
-#define set_sb_root_block(sbp,v) ((sbp)->s_root_block = cpu_to_le32(v))
-#define sb_journal_block(sbp) (le32_to_cpu((sbp)->s_journal_block))
-#define set_sb_journal_block(sbp,v) ((sbp)->s_journal_block = cpu_to_le32(v))
-#define sb_journal_dev(sbp) (le32_to_cpu((sbp)->s_journal_dev))
-#define set_sb_journal_dev(sbp,v) ((sbp)->s_journal_dev = cpu_to_le32(v))
-#define sb_orig_journal_size(sbp) (le32_to_cpu((sbp)->s_orig_journal_size))
-#define set_sb_orig_journal_size(sbp,v) \
- ((sbp)->s_orig_journal_size = cpu_to_le32(v))
-#define sb_journal_trans_max(sbp) (le32_to_cpu((sbp)->s_journal_trans_max))
-#define set_journal_trans_max(sbp,v) \
- ((sbp)->s_journal_trans_max = cpu_to_le32(v))
-#define sb_journal_block_count(sbp) (le32_to_cpu((sbp)->journal_block_count))
-#define sb_set_journal_block_count(sbp,v) \
- ((sbp)->s_journal_block_count = cpu_to_le32(v))
-#define sb_journal_max_batch(sbp) (le32_to_cpu((sbp)->s_journal_max_batch))
-#define set_sb_journal_max_batch(sbp,v) \
- ((sbp)->s_journal_max_batch = cpu_to_le32(v))
-#define sb_jourmal_max_commit_age(sbp) \
- (le32_to_cpu((sbp)->s_journal_max_commit_age))
-#define set_sb_journal_max_commit_age(sbp,v) \
- ((sbp)->s_journal_max_commit_age = cpu_to_le32(v))
-#define sb_jourmal_max_trans_age(sbp) \
- (le32_to_cpu((sbp)->s_journal_max_trans_age))
-#define set_sb_journal_max_trans_age(sbp,v) \
- ((sbp)->s_journal_max_trans_age = cpu_to_le32(v))
-#define sb_blocksize(sbp) (le16_to_cpu((sbp)->s_blocksize))
-#define set_sb_blocksize(sbp,v) ((sbp)->s_blocksize = cpu_to_le16(v))
-#define sb_oid_maxsize(sbp) (le16_to_cpu((sbp)->s_oid_maxsize))
-#define set_sb_oid_maxsize(sbp,v) ((sbp)->s_oid_maxsize = cpu_to_le16(v))
-#define sb_oid_cursize(sbp) (le16_to_cpu((sbp)->s_oid_cursize))
-#define set_sb_oid_cursize(sbp,v) ((sbp)->s_oid_cursize = cpu_to_le16(v))
-#define sb_state(sbp) (le16_to_cpu((sbp)->s_state))
-#define set_sb_state(sbp,v) ((sbp)->s_state = cpu_to_le16(v))
+#define sb_block_count(sbp) (le32_to_cpu((sbp)->s_v1.s_block_count))
+#define set_sb_block_count(sbp,v) ((sbp)->s_v1.s_block_count = cpu_to_le32(v))
+#define sb_free_blocks(sbp) (le32_to_cpu((sbp)->s_v1.s_free_blocks))
+#define set_sb_free_blocks(sbp,v) ((sbp)->s_v1.s_free_blocks = cpu_to_le32(v))
+#define sb_root_block(sbp) (le32_to_cpu((sbp)->s_v1.s_root_block))
+#define set_sb_root_block(sbp,v) ((sbp)->s_v1.s_root_block = cpu_to_le32(v))
+
+#define sb_jp_journal_1st_block(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_1st_block))
+#define set_sb_jp_journal_1st_block(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_1st_block = cpu_to_le32(v))
+#define sb_jp_journal_dev(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_dev))
+#define set_sb_jp_journal_dev(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_dev = cpu_to_le32(v))
+#define sb_jp_journal_size(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_size))
+#define set_sb_jp_journal_size(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_size = cpu_to_le32(v))
+#define sb_jp_journal_trans_max(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_trans_max))
+#define set_sb_jp_journal_trans_max(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_trans_max = cpu_to_le32(v))
+#define sb_jp_journal_magic(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_magic))
+#define set_sb_jp_journal_magic(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_magic = cpu_to_le32(v))
+#define sb_jp_journal_max_batch(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_max_batch))
+#define set_sb_jp_journal_max_batch(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_max_batch = cpu_to_le32(v))
+#define sb_jp_jourmal_max_commit_age(sbp) \
+ (le32_to_cpu((sbp)->s_v1.s_journal.jp_journal_max_commit_age))
+#define set_sb_jp_journal_max_commit_age(sbp,v) \
+ ((sbp)->s_v1.s_journal.jp_journal_max_commit_age = cpu_to_le32(v))
+
+#define sb_blocksize(sbp) (le16_to_cpu((sbp)->s_v1.s_blocksize))
+#define set_sb_blocksize(sbp,v) ((sbp)->s_v1.s_blocksize = cpu_to_le16(v))
+#define sb_oid_maxsize(sbp) (le16_to_cpu((sbp)->s_v1.s_oid_maxsize))
+#define set_sb_oid_maxsize(sbp,v) ((sbp)->s_v1.s_oid_maxsize = cpu_to_le16(v))
+#define sb_oid_cursize(sbp) (le16_to_cpu((sbp)->s_v1.s_oid_cursize))
+#define set_sb_oid_cursize(sbp,v) ((sbp)->s_v1.s_oid_cursize = cpu_to_le16(v))
+#define sb_umount_state(sbp) (le16_to_cpu((sbp)->s_v1.s_umount_state))
+#define set_sb_umount_state(sbp,v) ((sbp)->s_v1.s_umount_state = cpu_to_le16(v))
+#define sb_fs_state(sbp) (le16_to_cpu((sbp)->s_v1.s_fs_state))
+#define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v))
#define sb_hash_function_code(sbp) \
- (le32_to_cpu((sbp)->s_hash_function_code))
+ (le32_to_cpu((sbp)->s_v1.s_hash_function_code))
#define set_sb_hash_function_code(sbp,v) \
- ((sbp)->s_hash_function_code = cpu_to_le32(v))
-#define sb_tree_height(sbp) (le16_to_cpu((sbp)->s_tree_height))
-#define set_sb_tree_height(sbp,v) ((sbp)->s_tree_height = cpu_to_le16(v))
-#define sb_bmap_nr(sbp) (le16_to_cpu((sbp)->s_bmap_nr))
-#define set_sb_bmap_nr(sbp,v) ((sbp)->s_bmap_nr = cpu_to_le16(v))
-#define sb_version(sbp) (le16_to_cpu((sbp)->s_version))
-#define set_sb_version(sbp,v) ((sbp)->s_version = cpu_to_le16(v))
-
-/* this is the super from 3.5.X, where X >= 10 */
-struct reiserfs_super_block_v1
-{
- __u32 s_block_count; /* blocks count */
- __u32 s_free_blocks; /* free blocks count */
- __u32 s_root_block; /* root block number */
- __u32 s_journal_block; /* journal block number */
- __u32 s_journal_dev; /* journal device number */
- __u32 s_orig_journal_size; /* size of the journal on FS creation. used to make sure they don't overflow it */
- __u32 s_journal_trans_max ; /* max number of blocks in a transaction. */
- __u32 s_journal_block_count ; /* total size of the journal. can change over time */
- __u32 s_journal_max_batch ; /* max number of blocks to batch into a trans */
- __u32 s_journal_max_commit_age ; /* in seconds, how old can an async commit be */
- __u32 s_journal_max_trans_age ; /* in seconds, how old can a transaction be */
- __u16 s_blocksize; /* block size */
- __u16 s_oid_maxsize; /* max size of object id array, see get_objectid() commentary */
- __u16 s_oid_cursize; /* current size of object id array */
- __u16 s_state; /* valid or error */
- char s_magic[16]; /* reiserfs magic string indicates that file system is reiserfs */
- __u16 s_tree_height; /* height of disk tree */
- __u16 s_bmap_nr; /* amount of bitmap blocks needed to address each block of file system */
- __u32 s_reserved;
-} __attribute__ ((__packed__));
-
-#define SB_SIZE_V1 (sizeof(struct reiserfs_super_block_v1))
+ ((sbp)->s_v1.s_hash_function_code = cpu_to_le32(v))
+#define sb_tree_height(sbp) (le16_to_cpu((sbp)->s_v1.s_tree_height))
+#define set_sb_tree_height(sbp,v) ((sbp)->s_v1.s_tree_height = cpu_to_le16(v))
+#define sb_bmap_nr(sbp) (le16_to_cpu((sbp)->s_v1.s_bmap_nr))
+#define set_sb_bmap_nr(sbp,v) ((sbp)->s_v1.s_bmap_nr = cpu_to_le16(v))
+#define sb_version(sbp) (le16_to_cpu((sbp)->s_v1.s_version))
+#define set_sb_version(sbp,v) ((sbp)->s_v1.s_version = cpu_to_le16(v))
+
+#define sb_reserved_for_journal(sbp) \
+ (le16_to_cpu((sbp)->s_v1.s_reserved_for_journal))
+#define set_sb_reserved_for_journal(sbp,v) \
+ ((sbp)->s_v1.s_reserved_for_journal = cpu_to_le16(v))
/* LOGGING -- */
@@ -170,7 +101,6 @@
/* we have a node size define somewhere in reiserfs_fs.h. -Hans */
#define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */
#define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */
-#define JOURNAL_TRANS_MAX 1024 /* biggest possible single transaction, don't change for now (8/3/99) */
#define JOURNAL_HASH_SIZE 8192
#define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */
#define JOURNAL_LIST_COUNT 64
@@ -263,7 +193,12 @@
struct buffer_head ** j_ap_blocks ; /* journal blocks on disk */
struct reiserfs_journal_cnode *j_last ; /* newest journal block */
struct reiserfs_journal_cnode *j_first ; /* oldest journal block. start here for traverse */
-
+
+ kdev_t j_dev;
+ struct file *j_dev_file;
+ struct block_device *j_dev_bd;
+ int j_1st_reserved_block; /* first block on s_dev of reserved area journal */
+
int j_state ;
unsigned long j_trans_id ;
unsigned long j_mount_id ;
@@ -294,6 +229,11 @@
int j_cnode_used ; /* number of cnodes on the used list */
int j_cnode_free ; /* number of cnodes on the free list */
+ unsigned int s_journal_trans_max ; /* max number of blocks in a transaction. */
+ unsigned int s_journal_max_batch ; /* max number of blocks to batch into a trans */
+ unsigned int s_journal_max_commit_age ; /* in seconds, how old can an async commit be */
+ unsigned int s_journal_max_trans_age ; /* in seconds, how old can a transaction be */
+
struct reiserfs_journal_cnode *j_cnode_free_list ;
struct reiserfs_journal_cnode *j_cnode_free_orig ; /* orig pointer returned from vmalloc */
@@ -474,7 +414,6 @@
#define dont_have_tails(s) ((s)->u.reiserfs_sb.s_mount_opt & (1 << NOTAIL))
#define replay_only(s) ((s)->u.reiserfs_sb.s_mount_opt & (1 << REPLAYONLY))
#define reiserfs_dont_log(s) ((s)->u.reiserfs_sb.s_mount_opt & (1 << REISERFS_NOLOG))
-#define old_format_only(s) ((SB_VERSION(s) != REISERFS_VERSION_2) && !((s)->u.reiserfs_sb.s_mount_opt & (1 << REISERFS_CONVERT)))
void reiserfs_file_buffer (struct buffer_head * bh, int list);
@@ -490,29 +429,19 @@
#define SB_BUFFER_WITH_SB(s) ((s)->u.reiserfs_sb.s_sbh)
#define SB_JOURNAL(s) ((s)->u.reiserfs_sb.s_journal)
+#define SB_JOURNAL_1st_RESERVED_BLOCK(s) (SB_JOURNAL(s)->j_1st_reserved_block)
#define SB_JOURNAL_LIST(s) (SB_JOURNAL(s)->j_journal_list)
#define SB_JOURNAL_LIST_INDEX(s) (SB_JOURNAL(s)->j_journal_list_index)
#define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free)
#define SB_AP_BITMAP(s) ((s)->u.reiserfs_sb.s_ap_bitmap)
+#define SB_DISK_JOURNAL_HEAD(s) (SB_JOURNAL(s)->j_header_bh->)
-// on-disk super block fields converted to cpu form
-#define SB_DISK_SUPER_BLOCK(s) ((s)->u.reiserfs_sb.s_rs)
-#define SB_BLOCK_COUNT(s) sb_block_count (SB_DISK_SUPER_BLOCK(s))
-#define SB_FREE_BLOCKS(s) sb_free_blocks (SB_DISK_SUPER_BLOCK(s))
-#define SB_REISERFS_MAGIC(s) (SB_DISK_SUPER_BLOCK(s)->s_magic)
-#define SB_ROOT_BLOCK(s) sb_root_block (SB_DISK_SUPER_BLOCK(s))
-#define SB_TREE_HEIGHT(s) sb_tree_height (SB_DISK_SUPER_BLOCK(s))
-#define SB_REISERFS_STATE(s) sb_state (SB_DISK_SUPER_BLOCK(s))
-#define SB_VERSION(s) sb_version (SB_DISK_SUPER_BLOCK(s))
-#define SB_BMAP_NR(s) sb_bmap_nr(SB_DISK_SUPER_BLOCK(s))
-
-#define PUT_SB_BLOCK_COUNT(s, val) do { set_sb_block_count( SB_DISK_SUPER_BLOCK(s), val); } while (0)
-#define PUT_SB_FREE_BLOCKS(s, val) do { set_sb_free_blocks( SB_DISK_SUPER_BLOCK(s), val); } while (0)
-#define PUT_SB_ROOT_BLOCK(s, val) do { set_sb_root_block( SB_DISK_SUPER_BLOCK(s), val); } while (0)
-#define PUT_SB_TREE_HEIGHT(s, val) do { set_sb_tree_height( SB_DISK_SUPER_BLOCK(s), val); } while (0)
-#define PUT_SB_REISERFS_STATE(s, val) do { set_sb_state( SB_DISK_SUPER_BLOCK(s), val); } while (0)
-#define PUT_SB_VERSION(s, val) do { set_sb_version( SB_DISK_SUPER_BLOCK(s), val); } while (0)
-#define PUT_SB_BMAP_NR(s, val) do { set_sb_bmap_nr( SB_DISK_SUPER_BLOCK(s), val); } while (0)
+#define SB_JOURNAL_TRANS_MAX(s) (SB_JOURNAL(s)->s_journal_trans_max)
+#define SB_JOURNAL_MAX_BATCH(s) (SB_JOURNAL(s)->s_journal_max_batch)
+#define SB_JOURNAL_MAX_COMMIT_AGE(s) (SB_JOURNAL(s)->s_journal_max_commit_age)
+#define SB_JOURNAL_MAX_TRANS_AGE(s) (SB_JOURNAL(s)->s_journal_max_trans_age)
+#define SB_JOURNAL_DEV(s) (SB_JOURNAL(s)->j_dev)
+
#endif /* _LINUX_REISER_FS_SB */
-
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This archive was generated by hypermail 2b29 : Tue Jan 15 2002 - 21:00:36 EST