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authorMiklos Szeredi <mszeredi@redhat.com>2017-07-04 23:03:18 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2017-07-04 23:03:18 +0300
commit55acc6618259c8ff0a400a131f0f4b613e96010a (patch)
tree82f73eccca8d417ec8c77ad1b02dd28748c5c456 /fs/overlayfs/copy_up.c
parent23f0ab13eaa69b4a351184cbec448be2aad3a3a9 (diff)
downloadlinux-55acc6618259c8ff0a400a131f0f4b613e96010a.tar.xz
ovl: add flag for upper in ovl_entry
For rename, we need to ensure that an upper alias exists for hard links before attempting the operation. Introduce a flag in ovl_entry to track the state of the upper alias. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/copy_up.c')
-rw-r--r--fs/overlayfs/copy_up.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 8f9e26e91386..58c06bd58a96 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -472,6 +472,7 @@ static int ovl_copy_up_locked(struct ovl_copy_up_ctx *c)
if (err)
goto out_cleanup;
+ ovl_dentry_set_upper_alias(c->dentry);
ovl_inode_update(d_inode(c->dentry), newdentry);
out:
dput(temp);