IS_NOATIME(inode) is defined as __IS_FLG(inode, SB_RDONLY|SB_NOATIME), so generic_fillattr() will clear STATX_ATIME from the result_mask if the super block is marked read only. This was probably not the intention, so fix to only clear STATX_ATIME if the fs doesn't support atime at all. Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx> Acked-by: David Howells <dhowells@xxxxxxxxxx> --- fs/stat.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/stat.c b/fs/stat.c index a6709e7ba71d..f7f07d1b73cb 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -73,7 +73,8 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat, query_flags &= KSTAT_QUERY_FLAGS; /* allow the fs to override these if it really wants to */ - if (IS_NOATIME(inode)) + /* SB_NOATIME means filesystem supplies dummy atime value */ + if (inode->i_sb->s_flags & SB_NOATIME) stat->result_mask &= ~STATX_ATIME; if (IS_AUTOMOUNT(inode)) stat->attributes |= STATX_ATTR_AUTOMOUNT; -- 2.21.1
