diff options
Diffstat (limited to 'fs/overlayfs/dir.c')
| -rw-r--r-- | fs/overlayfs/dir.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 8c561703275a..4869fa508616 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -850,8 +850,8 @@ static char *ovl_get_redirect(struct dentry *dentry, bool samedir) buflen -= thislen; memcpy(&buf[buflen], name, thislen); - tmp = dget_dlock(d->d_parent); spin_unlock(&d->d_lock); + tmp = dget_parent(d); dput(d); d = tmp; @@ -1032,9 +1032,13 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, goto out_dput; } } else { - if (!d_is_negative(newdentry) && - (!new_opaque || !ovl_is_whiteout(newdentry))) - goto out_dput; + if (!d_is_negative(newdentry)) { + if (!new_opaque || !ovl_is_whiteout(newdentry)) + goto out_dput; + } else { + if (flags & RENAME_EXCHANGE) + goto out_dput; + } } if (olddentry == trap) |