From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Wed, 10 Aug 2016 01:29:36 +0000 (+1000)
Subject: xfs: set *stat=1 after iroot realloc
X-Git-Tag: v4.8.0-rc1~93
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cff8bf94d0aa4d8bc50d3b3fee2c086ceebc0988;p=thirdparty%2Fxfsprogs-dev.git

xfs: set *stat=1 after iroot realloc

Source kernel commit: 0d309791bdc0a92f1db5dfc171d884a6b8583702

If we make the inode root block of a btree unfull by expanding the
root, we must set *stat to 1 to signal success, rather than leaving
it uninitialized.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---

diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
index ea755062d..64f2e9313 100644
--- a/libxfs/xfs_btree.c
+++ b/libxfs/xfs_btree.c
@@ -2871,6 +2871,7 @@ xfs_btree_make_block_unfull(
 		if (numrecs < cur->bc_ops->get_dmaxrecs(cur, level)) {
 			/* A root block that can be made bigger. */
 			xfs_iroot_realloc(ip, 1, cur->bc_private.b.whichfork);
+			*stat = 1;
 		} else {
 			/* A root block that needs replacing */
 			int	logflags = 0;