[PATCH 2/3] XFS: Print error when xfs_ialloc_ag_select fails to find continuous free space.

[raghu.prabhu13 at gmail.com]

From: Raghavendra D Prabhu <rprabhu at wnohang.net>

When xfs_ialloc_ag_select fails to find any AG with continuous free blocks
required for inode allocation, printk the error in ratelimited manner.

Signed-off-by: Raghavendra D Prabhu <rprabhu at wnohang.net>
---
 fs/xfs/xfs_ialloc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 5aceb3f..e75a39d 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -539,8 +539,11 @@ nextag:
 		if (agno >= agcount)
 			agno = 0;
 		if (agno == pagno) {
-			if (flags == 0)
+			if (flags == 0) {
+				xfs_err_ratelimited(mp,
+					"Out of continuous free blocks for inode allocation");
 				return NULLAGNUMBER;
+			}
 			flags = 0;
 		}
 	}
-- 
1.7.12