提交 89a17556 编写于 作者: A Amir Goldstein 提交者: Miklos Szeredi

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: NAmir Goldstein <amir73il@gmail.com>
Signed-off-by: NMiklos Szeredi <mszeredi@redhat.com>
上级 016b720f
......@@ -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);
......
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