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f2fs: remove unneeded in-memory i_crtime copy 

i_crtime will never change after inode creation, so we don't need
to copy it into f2fs_inode_info.i_disk_time[3], and monitor its
change to decide whether updating inode page, remove related stuff.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2023-04-10 10:20:12 +08:00 committed by Jaegeuk Kim
parent 68f0453dab
commit c277991d7c
2 changed files with 1 additions and 5 deletions
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5
fs/f2fs/f2fs.h
View File

@ -843,7 +843,7 @@ struct f2fs_inode_info {
kprojid_t i_projid; /* id for project quota */
int i_inline_xattr_size; /* inline xattr size */
struct timespec64 i_crtime; /* inode creation time */
struct timespec64 i_disk_time[4];/* inode disk times */
struct timespec64 i_disk_time[3];/* inode disk times */
/* for file compress */
atomic_t i_compr_blocks; /* # of compressed blocks */
@ -3292,9 +3292,6 @@ static inline bool f2fs_is_time_consistent(struct inode *inode)
return false;
if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
return false;
if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
&F2FS_I(inode)->i_crtime))
return false;
return true;
}

1
fs/f2fs/inode.c
View File

@ -326,7 +326,6 @@ static void init_idisk_time(struct inode *inode)
fi->i_disk_time[0] = inode->i_atime;
fi->i_disk_time[1] = inode->i_ctime;
fi->i_disk_time[2] = inode->i_mtime;
fi->i_disk_time[3] = fi->i_crtime;
}
static int do_read_inode(struct inode *inode)