From: Amir Goldstein <amir73il(a)gmail.com>
mainline inclusion
from mainline-v5.7-rc1
commit 735c907d7b7df501e951ba07134b9f6f989a94e4
category: bugfix
bugzilla: NA
CVE: NA
-------------------------------------------------
ovl_inode_update() is no longer called from create object code path.
Fixes: 01b39dcc9568 ("ovl: use inode_insert5() to hash a newly...")
Signed-off-by: Amir Goldstein <amir73il(a)gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi(a)redhat.com>
Signed-off-by: Zheng Liang <zhengliang6(a)huawei.com>
Reviewed-by: Zhang Yi <yi.zhang(a)huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com>
---
fs/overlayfs/inode.c | 8 +++++---
fs/overlayfs/util.c | 2 --
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index d1e9d926150b1..b016343a7209b 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -555,9 +555,11 @@ static void ovl_fill_inode(struct inode *inode, umode_t mode, dev_t rdev,
* bits to encode layer), set the same value used for st_ino to i_ino,
* so inode number exposed via /proc/locks and a like will be
* consistent with d_ino and st_ino values. An i_ino value inconsistent
- * with d_ino also causes nfsd readdirplus to fail. When called from
- * ovl_new_inode(), ino arg is 0, so i_ino will be updated to real
- * upper inode i_ino on ovl_inode_init() or ovl_inode_update().
+ * with d_ino also causes nfsd readdirplus to fail.
+ *
+ * When called from ovl_create_object() => ovl_new_inode(), with
+ * ino = 0, i_ino will be updated to consistent value later on in
+ * ovl_get_inode() => ovl_fill_inode().
*/
if (ovl_same_dev(inode->i_sb)) {
inode->i_ino = ino;
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index eb9411461b695..b83955f31ded0 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -419,8 +419,6 @@ void ovl_inode_update(struct inode *inode, struct dentry *upperdentry)
smp_wmb();
OVL_I(inode)->__upperdentry = upperdentry;
if (inode_unhashed(inode)) {
- if (!inode->i_ino)
- inode->i_ino = upperinode->i_ino;
inode->i_private = upperinode;
__insert_inode_hash(inode, (unsigned long) upperinode);
}
--
2.25.1