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authorAmir Goldstein <amir73il@gmail.com>2017-09-26 07:40:37 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2018-01-24 13:25:55 +0300
commit89a17556ce4d113f6e7896e118a14f79a84484e9 (patch)
tree2474e35592add655063c20ba4ff674df07b4200f /fs/overlayfs
parent016b720f5558d825bc0a4c6d2bdd6929fbe86536 (diff)
downloadlinux-89a17556ce4d113f6e7896e118a14f79a84484e9.tar.xz
ovl: cleanup dir index when dir nlink drops to zero
When non-dir index union nlink drops to zero the non-dir index is cleaned. Do the same for directory type index entries when union directory is removed. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r--fs/overlayfs/util.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 71ddc4f8864e..6b11e116f190 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -500,7 +500,7 @@ static void ovl_cleanup_index(struct dentry *dentry)
goto fail;
inode = d_inode(upperdentry);
- if (inode->i_nlink != 1) {
+ if (!S_ISDIR(inode->i_mode) && inode->i_nlink != 1) {
pr_warn_ratelimited("overlayfs: cleanup linked index (%pd2, ino=%lu, nlink=%u)\n",
upperdentry, inode->i_ino, inode->i_nlink);
/*
@@ -549,7 +549,7 @@ int ovl_nlink_start(struct dentry *dentry, bool *locked)
const struct cred *old_cred;
int err;
- if (!d_inode(dentry) || d_is_dir(dentry))
+ if (!d_inode(dentry))
return 0;
/*
@@ -576,7 +576,7 @@ int ovl_nlink_start(struct dentry *dentry, bool *locked)
if (err)
return err;
- if (!ovl_test_flag(OVL_INDEX, d_inode(dentry)))
+ if (d_is_dir(dentry) || !ovl_test_flag(OVL_INDEX, d_inode(dentry)))
goto out;
old_cred = ovl_override_creds(dentry->d_sb);