diff options
| author | Yiwen Jiang <jiangyiwen@huawei.com> | 2018-04-05 16:19:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 21:36:22 -0700 |
| commit | 7ff3c2046803ac99d95de6d63cda46c84f72293b (patch) | |
| tree | 9214e3d0a1d9d39c0d2c0d77eaa3ec46ee682ba3 | |
| parent | a25c36577ca788f9ea4b229baef1b6d436393a4c (diff) | |
| download | lwn-7ff3c2046803ac99d95de6d63cda46c84f72293b.tar.gz lwn-7ff3c2046803ac99d95de6d63cda46c84f72293b.zip | |
fs/9p: don't set SB_NOATIME by default
When the user uses some syscall, for example mmap(v9fs_file_mmap), it
will not update atime even if user's was set mnt_flags without
MNT_NOATIME, because v9fs defaults to settine SB_NOATIME in
v9fs_set_super.
For supporting access time updating when the user mounts with relatime,
we should not set SB_NOATIME by default.
Link: http://lkml.kernel.org/r/5AB9A377.6080906@huawei.com
Signed-off-by: Yiwen Jiang <jiangyiwen@huawei.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/9p/vfs_super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index af03c2a901eb..48ce50484e80 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -94,7 +94,7 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, if (v9ses->cache) sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_SIZE; - sb->s_flags |= SB_ACTIVE | SB_DIRSYNC | SB_NOATIME; + sb->s_flags |= SB_ACTIVE | SB_DIRSYNC; if (!v9ses->cache) sb->s_flags |= SB_SYNCHRONOUS; |