[4.9,082/119] ufs_getfrag_block(): we only grab ->truncate_mutex on block creation path
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Message ID 20170612152602.594895350@linuxfoundation.org
State New, archived
Headers show
Series
  • 4.9.32-stable review
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Commit Message

Greg Kroah-Hartman June 12, 2017, 3:25 p.m. UTC
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Al Viro <viro@zeniv.linux.org.uk>

commit 006351ac8ead0d4a67dd3845e3ceffe650a23212 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/ufs/inode.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Patch
diff mbox series

--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -403,7 +403,9 @@  static int ufs_getfrag_block(struct inod
 
 	if (!create) {
 		phys64 = ufs_frag_map(inode, offsets, depth);
-		goto out;
+		if (phys64)
+			map_bh(bh_result, sb, phys64 + frag);
+		return 0;
 	}
 
         /* This code entered only while writing ....? */