xfs: clarify async write failure ratelimit message

Today, when the "failing async writes" get ratelimited, we see:

XFS:: 62836 callbacks suppressed

Aside from the extra ":" it's not entirely clear which message is being
suppressed, especially if other messages or ratelimits are happening
at the same time.  Clarify this as i.e.:

XFS (dm-11): Failing async write on buffer block 0x140090. Retrying async write.
XFS: Failing async write: 62836 callbacks suppressed

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 507d96a..092d652 100644 (file)
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -537,9 +537,9 @@ xfs_buf_item_push(
 
        /* has a previous flush failed due to IO errors? */
        if ((bp->b_flags & XBF_WRITE_FAIL) &&
-           ___ratelimit(&xfs_buf_write_fail_rl_state, "XFS:")) {
+           ___ratelimit(&xfs_buf_write_fail_rl_state, "XFS: Failing async write")) {
                xfs_warn(bp->b_target->bt_mount,
-"Detected failing async write on buffer block 0x%llx. Retrying async write.",
+"Failing async write on buffer block 0x%llx. Retrying async write.",
                         (long long)bp->b_bn);
        }