Corresponding modifications needed in code above block layer
to account for bio traversal changes, mainly ensuring correct
bi_voffset initialization when setting up bios.
diff -ur linux-2.5.30-pure/fs/direct-io.c linux-2.5.30-bio/fs/direct-io.c
--- linux-2.5.30-pure/fs/direct-io.c Fri Aug 2 10:08:29 2002
+++ linux-2.5.30-bio/fs/direct-io.c Fri Aug 2 10:42:13 2002
@@ -193,6 +193,9 @@
bio->bi_vcnt = bio->bi_idx;
bio->bi_idx = 0;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_private = dio;
atomic_inc(&dio->bio_count);
submit_bio(dio->rw, bio);
diff -ur linux-2.5.30-pure/fs/jfs/jfs_logmgr.c linux-2.5.30-bio/fs/jfs/jfs_logmgr.c
--- linux-2.5.30-pure/fs/jfs/jfs_logmgr.c Sat Jul 27 08:28:38 2002
+++ linux-2.5.30-bio/fs/jfs/jfs_logmgr.c Fri Aug 2 10:42:13 2002
@@ -1817,6 +1817,9 @@
bio->bi_vcnt = 1;
bio->bi_idx = 0;
bio->bi_size = LOGPSIZE;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
@@ -1959,6 +1962,9 @@
bio->bi_vcnt = 1;
bio->bi_idx = 0;
bio->bi_size = LOGPSIZE;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
diff -ur linux-2.5.30-pure/fs/mpage.c linux-2.5.30-bio/fs/mpage.c
--- linux-2.5.30-pure/fs/mpage.c Sat Jul 27 08:28:32 2002
+++ linux-2.5.30-bio/fs/mpage.c Fri Aug 2 10:42:13 2002
@@ -82,6 +82,9 @@
{
bio->bi_vcnt = bio->bi_idx;
bio->bi_idx = 0;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = mpage_end_io_read;
if (rw == WRITE)
bio->bi_end_io = mpage_end_io_write;
diff -ur linux-2.5.30-pure/mm/page_io.c linux-2.5.30-bio/mm/page_io.c
--- linux-2.5.30-pure/mm/page_io.c Fri Aug 2 10:08:31 2002
+++ linux-2.5.30-bio/mm/page_io.c Fri Aug 2 10:42:13 2002
@@ -42,6 +42,9 @@
bio->bi_vcnt = 1;
bio->bi_idx = 0;
bio->bi_size = PAGE_SIZE;
+ bio->bi_voffset = __BVEC_START(bio)->bv_offset;
+ bio->bi_endvoffset = __BVEC_END(bio)->bv_offset +
+ __BVEC_END(bio)->bv_len;
bio->bi_end_io = end_io;
}
return bio;
-
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This archive was generated by hypermail 2b29 : Wed Aug 07 2002 - 22:00:19 EST