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fs/9p: don't set SB_NOATIME by default

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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/[email protected]
Signed-off-by: Yiwen Jiang <[email protected]>
Reviewed-by: Greg Kurz <[email protected]>
Cc: Eric Van Hensbergen <[email protected]>
Cc: Ron Minnich <[email protected]>
Cc: Latchesar Ionkov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yiwen Jiang 2018-04-05 16:19:57 -07:00 • committed by Linus Torvalds
commit 7ff3c20468
1 changed files with 1 additions and 1 deletions
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2
fs/9p/vfs_super.c
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@ -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;