[PATCH 27/30] Unionfs: cleanup lower inodes after successful unlink

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Signed-off-by: Erez Zadok <ezk@xxxxxxxxxxxxx>
---
 fs/unionfs/unlink.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/fs/unionfs/unlink.c b/fs/unionfs/unlink.c
index 1e81494..a1c82b6 100644
--- a/fs/unionfs/unlink.c
+++ b/fs/unionfs/unlink.c
@@ -91,7 +91,9 @@ out:
 int unionfs_unlink(struct inode *dir, struct dentry *dentry)
 {
 	int err = 0;
+	struct inode *inode = dentry->d_inode;
 
+	BUG_ON(S_ISDIR(inode->i_mode));
 	unionfs_read_lock(dentry->d_sb, UNIONFS_SMUTEX_CHILD);
 	unionfs_lock_dentry(dentry, UNIONFS_DMUTEX_CHILD);
 
@@ -104,8 +106,13 @@ int unionfs_unlink(struct inode *dir, struct dentry *dentry)
 	err = unionfs_unlink_whiteout(dir, dentry);
 	/* call d_drop so the system "forgets" about us */
 	if (!err) {
-		if (!S_ISDIR(dentry->d_inode->i_mode))
-			unionfs_postcopyup_release(dentry);
+		unionfs_postcopyup_release(dentry);
+		if (inode->i_nlink == 0) {
+			/* drop lower inodes */
+			iput(unionfs_lower_inode(inode));
+			unionfs_set_lower_inode(inode, NULL);
+			ibstart(inode) = ibend(inode) = -1;
+		}
 		d_drop(dentry);
 		/*
 		 * if unlink/whiteout succeeded, parent dir mtime has
-- 
1.5.2.2

-
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux