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authorMiklos Szeredi <mszeredi@redhat.com>2017-09-05 12:53:11 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2017-09-05 12:53:11 +0200
commitcd91304e7190b4c4802f8e413ab2214b233e0260 (patch)
tree66a616319703171a07055fed8f6db52cd3f14c5a /fs/overlayfs
parentvfs: add flags to d_real() (diff)
downloadlinux-cd91304e7190b4c4802f8e413ab2214b233e0260.tar.xz
linux-cd91304e7190b4c4802f8e413ab2214b233e0260.zip
ovl: fix relatime for directories
Need to treat non-regular overlayfs files the same as regular files when checking for an atime update. Add a d_real() flag to make it return the upper dentry for all file types. Reported-by: "zhangyi (F)" <yi.zhang@huawei.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r--fs/overlayfs/super.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 19e89ce39017..cd49c0298ddf 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -75,6 +75,9 @@ static struct dentry *ovl_d_real(struct dentry *dentry,
struct dentry *real;
int err;
+ if (flags & D_REAL_UPPER)
+ return ovl_dentry_upper(dentry);
+
if (!d_is_reg(dentry)) {
if (!inode || inode == d_inode(dentry))
return dentry;