[PATCH v2 56/92] kernfs: convert to ctime accessor functions

From: Jeff Layton
Date: Wed Jul 05 2023 - 15:09:10 EST


In later patches, we're going to change how the inode's ctime field is
used. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/kernfs/inode.c | 5 ++---
fs/libfs.c | 19 ++++++++++---------
fs/minix/bitmap.c | 2 +-
fs/minix/dir.c | 6 +++---
fs/minix/inode.c | 10 +++++-----
fs/minix/itree_common.c | 4 ++--
fs/minix/namei.c | 6 +++---
7 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index b22b74d1a115..89a9b4dcf109 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -151,8 +151,7 @@ ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size)
static inline void set_default_inode_attr(struct inode *inode, umode_t mode)
{
inode->i_mode = mode;
- inode->i_atime = inode->i_mtime =
- inode->i_ctime = current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
}

static inline void set_inode_attr(struct inode *inode,
@@ -162,7 +161,7 @@ static inline void set_inode_attr(struct inode *inode,
inode->i_gid = attrs->ia_gid;
inode->i_atime = attrs->ia_atime;
inode->i_mtime = attrs->ia_mtime;
- inode->i_ctime = attrs->ia_ctime;
+ inode_set_ctime_to_ts(inode, attrs->ia_ctime);
}

static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode)
diff --git a/fs/libfs.c b/fs/libfs.c
index 9ee79668c909..befbef1b4b46 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -523,7 +523,7 @@ void simple_recursive_removal(struct dentry *dentry,
while ((child = find_next_child(this, victim)) == NULL) {
// kill and ascend
// update metadata while it's still locked
- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);
clear_nlink(inode);
inode_unlock(inode);
victim = this;
@@ -541,8 +541,7 @@ void simple_recursive_removal(struct dentry *dentry,
dput(victim); // unpin it
}
if (victim == dentry) {
- inode->i_ctime = inode->i_mtime =
- current_time(inode);
+ inode->i_mtime = inode_set_ctime_current(inode);
if (d_is_dir(dentry))
drop_nlink(inode);
inode_unlock(inode);
@@ -583,7 +582,7 @@ static int pseudo_fs_fill_super(struct super_block *s, struct fs_context *fc)
*/
root->i_ino = 1;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
- root->i_atime = root->i_mtime = root->i_ctime = current_time(root);
+ root->i_atime = root->i_mtime = inode_set_ctime_current(root);
s->s_root = d_make_root(root);
if (!s->s_root)
return -ENOMEM;
@@ -639,7 +638,8 @@ int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *den
{
struct inode *inode = d_inode(old_dentry);

- inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
+ dir->i_mtime = inode_set_ctime_to_ts(dir,
+ inode_set_ctime_current(inode));
inc_nlink(inode);
ihold(inode);
dget(dentry);
@@ -673,7 +673,8 @@ int simple_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(dentry);

- inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
+ dir->i_mtime = inode_set_ctime_to_ts(dir,
+ inode_set_ctime_current(inode));
drop_nlink(inode);
dput(dentry);
return 0;
@@ -925,7 +926,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic,
*/
inode->i_ino = 1;
inode->i_mode = S_IFDIR | 0755;
- inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
set_nlink(inode, 2);
@@ -951,7 +952,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic,
goto out;
}
inode->i_mode = S_IFREG | files->mode;
- inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
inode->i_fop = files->ops;
inode->i_ino = i;
d_add(dentry, inode);
@@ -1519,7 +1520,7 @@ struct inode *alloc_anon_inode(struct super_block *s)
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_flags |= S_PRIVATE;
- inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
return inode;
}
EXPORT_SYMBOL(alloc_anon_inode);
diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 870207ba23f1..25c08fbfcb9d 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -251,7 +251,7 @@ struct inode *minix_new_inode(const struct inode *dir, umode_t mode)
}
inode_init_owner(&nop_mnt_idmap, inode, dir, mode);
inode->i_ino = j;
- inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+ inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode);
inode->i_blocks = 0;
memset(&minix_i(inode)->u, 0, sizeof(minix_i(inode)->u));
insert_inode_hash(inode);
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index bf9858f76b6a..20f23e6e58ad 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -281,7 +281,7 @@ int minix_add_link(struct dentry *dentry, struct inode *inode)
de->inode = inode->i_ino;
}
dir_commit_chunk(page, pos, sbi->s_dirsize);
- dir->i_mtime = dir->i_ctime = current_time(dir);
+ dir->i_mtime = inode_set_ctime_current(dir);
mark_inode_dirty(dir);
err = minix_handle_dirsync(dir);
out_put:
@@ -313,7 +313,7 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page)
else
de->inode = 0;
dir_commit_chunk(page, pos, len);
- inode->i_ctime = inode->i_mtime = current_time(inode);
+ inode->i_mtime = inode_set_ctime_current(inode);
mark_inode_dirty(inode);
return minix_handle_dirsync(inode);
}
@@ -436,7 +436,7 @@ int minix_set_link(struct minix_dir_entry *de, struct page *page,
else
de->inode = inode->i_ino;
dir_commit_chunk(page, pos, sbi->s_dirsize);
- dir->i_mtime = dir->i_ctime = current_time(dir);
+ dir->i_mtime = inode_set_ctime_current(dir);
mark_inode_dirty(dir);
return minix_handle_dirsync(dir);
}
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index e9fbb5303a22..3715a3940bd4 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -501,10 +501,11 @@ static struct inode *V1_minix_iget(struct inode *inode)
i_gid_write(inode, raw_inode->i_gid);
set_nlink(inode, raw_inode->i_nlinks);
inode->i_size = raw_inode->i_size;
- inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = raw_inode->i_time;
+ inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode_set_ctime(inode,
+ raw_inode->i_time,
+ 0).tv_sec;
inode->i_mtime.tv_nsec = 0;
inode->i_atime.tv_nsec = 0;
- inode->i_ctime.tv_nsec = 0;
inode->i_blocks = 0;
for (i = 0; i < 9; i++)
minix_inode->u.i1_data[i] = raw_inode->i_zone[i];
@@ -543,10 +544,9 @@ static struct inode *V2_minix_iget(struct inode *inode)
inode->i_size = raw_inode->i_size;
inode->i_mtime.tv_sec = raw_inode->i_mtime;
inode->i_atime.tv_sec = raw_inode->i_atime;
- inode->i_ctime.tv_sec = raw_inode->i_ctime;
+ inode_set_ctime(inode, raw_inode->i_ctime, 0);
inode->i_mtime.tv_nsec = 0;
inode->i_atime.tv_nsec = 0;
- inode->i_ctime.tv_nsec = 0;
inode->i_blocks = 0;
for (i = 0; i < 10; i++)
minix_inode->u.i2_data[i] = raw_inode->i_zone[i];
@@ -622,7 +622,7 @@ static struct buffer_head * V2_minix_update_inode(struct inode * inode)
raw_inode->i_size = inode->i_size;
raw_inode->i_mtime = inode->i_mtime.tv_sec;
raw_inode->i_atime = inode->i_atime.tv_sec;
- raw_inode->i_ctime = inode->i_ctime.tv_sec;
+ raw_inode->i_ctime = inode_get_ctime(inode).tv_sec;
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
raw_inode->i_zone[0] = old_encode_dev(inode->i_rdev);
else for (i = 0; i < 10; i++)
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index 446148792f41..ce18ae37c29d 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -131,7 +131,7 @@ static inline int splice_branch(struct inode *inode,

/* We are done with atomic stuff, now do the rest of housekeeping */

- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);

/* had we spliced it onto indirect block? */
if (where->bh)
@@ -350,7 +350,7 @@ static inline void truncate (struct inode * inode)
}
first_whole++;
}
- inode->i_mtime = inode->i_ctime = current_time(inode);
+ inode->i_mtime = inode_set_ctime_current(inode);
mark_inode_dirty(inode);
}

diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index 956d5183828d..114084d5636a 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -98,7 +98,7 @@ static int minix_link(struct dentry * old_dentry, struct inode * dir,
{
struct inode *inode = d_inode(old_dentry);

- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);
inode_inc_link_count(inode);
ihold(inode);
return add_nondir(dentry, inode);
@@ -154,7 +154,7 @@ static int minix_unlink(struct inode * dir, struct dentry *dentry)

if (err)
return err;
- inode->i_ctime = dir->i_ctime;
+ inode_set_ctime_to_ts(inode, inode_get_ctime(dir));
inode_dec_link_count(inode);
return 0;
}
@@ -218,7 +218,7 @@ static int minix_rename(struct mnt_idmap *idmap,
put_page(new_page);
if (err)
goto out_dir;
- new_inode->i_ctime = current_time(new_inode);
+ inode_set_ctime_current(new_inode);
if (dir_de)
drop_nlink(new_inode);
inode_dec_link_count(new_inode);
--
2.41.0