diff options
Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
-rw-r--r-- | fs/xfs/xfs_buf_item.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index a64f67ba25d3..2227b9b050bb 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c | |||
@@ -496,6 +496,14 @@ xfs_buf_item_unpin( | |||
496 | } | 496 | } |
497 | } | 497 | } |
498 | 498 | ||
499 | /* | ||
500 | * Buffer IO error rate limiting. Limit it to no more than 10 messages per 30 | ||
501 | * seconds so as to not spam logs too much on repeated detection of the same | ||
502 | * buffer being bad.. | ||
503 | */ | ||
504 | |||
505 | DEFINE_RATELIMIT_STATE(xfs_buf_write_fail_rl_state, 30 * HZ, 10); | ||
506 | |||
499 | STATIC uint | 507 | STATIC uint |
500 | xfs_buf_item_push( | 508 | xfs_buf_item_push( |
501 | struct xfs_log_item *lip, | 509 | struct xfs_log_item *lip, |
@@ -524,6 +532,14 @@ xfs_buf_item_push( | |||
524 | 532 | ||
525 | trace_xfs_buf_item_push(bip); | 533 | trace_xfs_buf_item_push(bip); |
526 | 534 | ||
535 | /* has a previous flush failed due to IO errors? */ | ||
536 | if ((bp->b_flags & XBF_WRITE_FAIL) && | ||
537 | ___ratelimit(&xfs_buf_write_fail_rl_state, "XFS:")) { | ||
538 | xfs_warn(bp->b_target->bt_mount, | ||
539 | "Detected failing async write on buffer block 0x%llx. Retrying async write.\n", | ||
540 | (long long)bp->b_bn); | ||
541 | } | ||
542 | |||
527 | if (!xfs_buf_delwri_queue(bp, buffer_list)) | 543 | if (!xfs_buf_delwri_queue(bp, buffer_list)) |
528 | rval = XFS_ITEM_FLUSHING; | 544 | rval = XFS_ITEM_FLUSHING; |
529 | xfs_buf_unlock(bp); | 545 | xfs_buf_unlock(bp); |
@@ -1096,8 +1112,9 @@ xfs_buf_iodone_callbacks( | |||
1096 | 1112 | ||
1097 | xfs_buf_ioerror(bp, 0); /* errno of 0 unsets the flag */ | 1113 | xfs_buf_ioerror(bp, 0); /* errno of 0 unsets the flag */ |
1098 | 1114 | ||
1099 | if (!XFS_BUF_ISSTALE(bp)) { | 1115 | if (!(bp->b_flags & (XBF_STALE|XBF_WRITE_FAIL))) { |
1100 | bp->b_flags |= XBF_WRITE | XBF_ASYNC | XBF_DONE; | 1116 | bp->b_flags |= XBF_WRITE | XBF_ASYNC | |
1117 | XBF_DONE | XBF_WRITE_FAIL; | ||
1101 | xfs_buf_iorequest(bp); | 1118 | xfs_buf_iorequest(bp); |
1102 | } else { | 1119 | } else { |
1103 | xfs_buf_relse(bp); | 1120 | xfs_buf_relse(bp); |