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authorYiwen Jiang <jiangyiwen@huawei.com>2018-04-06 01:19:57 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-06 06:36:22 +0200
commit7ff3c2046803ac99d95de6d63cda46c84f72293b (patch)
tree9214e3d0a1d9d39c0d2c0d77eaa3ec46ee682ba3 /fs/9p
parent9p: check memory allocation result for cachetag (diff)
downloadlinux-7ff3c2046803ac99d95de6d63cda46c84f72293b.tar.xz
linux-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>
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/vfs_super.c2
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;