[Cluster-devel] [PATCH 02/11] GFS2: Allow fail_gunlock3 to set the free_vfs_inode bit

Bob Peterson rpeterso at redhat.com
Thu Sep 10 19:49:42 UTC 2015


This patch changes a failure case in function gfs2_create_inode.
In some error paths, it jumps to label fail_gunlock3, which fails
to set the free_vfs_inode flag. This, in turn, prevents the code
from setting the GIF_FREE_VFS_INODE inode flag. That, in turn,
allow the code to mistakenly unlink the dinode and not ever delete
its data blocks.
---
 fs/gfs2/inode.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 063fdfc..c56edb8 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -766,11 +766,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
 	return error;
 
 fail_gunlock3:
-	gfs2_glock_dq_uninit(ghs + 1);
-	if (ip->i_gl)
-		gfs2_glock_put(ip->i_gl);
-	goto fail_gunlock;
-
+	if (ip->i_iopen_gh.gh_gl) /* if holder is linked to the glock */
+		gfs2_glock_put(ip->i_iopen_gh.gh_gl);
 fail_gunlock2:
 	gfs2_glock_dq_uninit(ghs + 1);
 fail_free_inode:
-- 
2.4.3




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