diff options
| author | Frank Sorenson <sorenson@redhat.com> | 2018-10-30 15:06:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-31 08:54:14 -0700 |
| commit | 6bb885ecd746752aa70d146b58f2f83e5e21813d (patch) | |
| tree | f32ed7a4fda8e9fc8317adf2b024cd87d05fcc5a /fs/fat/inode.c | |
| parent | d9f4d94261d52a5fe31ad2ec00a06824a150af6f (diff) | |
fat: add functions to update and truncate timestamps appropriately
Add the fat-specific inode_operation ->update_time() and
fat_truncate_time() function to truncate the inode timestamps from 1
nanosecond to the appropriate granularity.
Link: http://lkml.kernel.org/r/38af1ba3c3cf0d7381ce7b63077ef8af75901532.1538363961.git.sorenson@redhat.com
Signed-off-by: Frank Sorenson <sorenson@redhat.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fat/inode.c')
| -rw-r--r-- | fs/fat/inode.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index d6b81e31f9f5..3bf60f19b6d3 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1626,6 +1626,11 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, sb->s_magic = MSDOS_SUPER_MAGIC; sb->s_op = &fat_sops; sb->s_export_op = &fat_export_ops; + /* + * fat timestamps are complex and truncated by fat itself, so + * we set 1 here to be fast + */ + sb->s_time_gran = 1; mutex_init(&sbi->nfs_build_inode_lock); ratelimit_state_init(&sbi->ratelimit, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST); |