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

[raghu.prabhu13@xxxxxxxxx]

From: Raghavendra D Prabhu <rprabhu@xxxxxxxxxxx>

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@xxxxxxxxxxx>
---
 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