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authorIngo Molnar <mingo@kernel.org>2014-01-05 12:34:29 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-05 12:34:29 +0100
commitef0b8b9a521c65201bfca9747ee1bf374296133c (patch)
tree644c3390c07d06fb7807182a4935f7c3f675b157 /fs/xfs/xfs_buf_item.c
parent5c12af0c41e3417e1939095325920463b5f8e726 (diff)
parentd6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff)
downloadop-kernel-dev-ef0b8b9a521c65201bfca9747ee1bf374296133c.zip
op-kernel-dev-ef0b8b9a521c65201bfca9747ee1bf374296133c.tar.gz
Merge tag 'v3.13-rc7' into x86/efi-kexec to resolve conflicts
Conflicts: arch/x86/platform/efi/efi.c drivers/firmware/efi/Kconfig Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
-rw-r--r--fs/xfs/xfs_buf_item.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index a64f67b..2227b9b 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -496,6 +496,14 @@ xfs_buf_item_unpin(
}
}
+/*
+ * Buffer IO error rate limiting. Limit it to no more than 10 messages per 30
+ * seconds so as to not spam logs too much on repeated detection of the same
+ * buffer being bad..
+ */
+
+DEFINE_RATELIMIT_STATE(xfs_buf_write_fail_rl_state, 30 * HZ, 10);
+
STATIC uint
xfs_buf_item_push(
struct xfs_log_item *lip,
@@ -524,6 +532,14 @@ xfs_buf_item_push(
trace_xfs_buf_item_push(bip);
+ /* has a previous flush failed due to IO errors? */
+ if ((bp->b_flags & XBF_WRITE_FAIL) &&
+ ___ratelimit(&xfs_buf_write_fail_rl_state, "XFS:")) {
+ xfs_warn(bp->b_target->bt_mount,
+"Detected failing async write on buffer block 0x%llx. Retrying async write.\n",
+ (long long)bp->b_bn);
+ }
+
if (!xfs_buf_delwri_queue(bp, buffer_list))
rval = XFS_ITEM_FLUSHING;
xfs_buf_unlock(bp);
@@ -1096,8 +1112,9 @@ xfs_buf_iodone_callbacks(
xfs_buf_ioerror(bp, 0); /* errno of 0 unsets the flag */
- if (!XFS_BUF_ISSTALE(bp)) {
- bp->b_flags |= XBF_WRITE | XBF_ASYNC | XBF_DONE;
+ if (!(bp->b_flags & (XBF_STALE|XBF_WRITE_FAIL))) {
+ bp->b_flags |= XBF_WRITE | XBF_ASYNC |
+ XBF_DONE | XBF_WRITE_FAIL;
xfs_buf_iorequest(bp);
} else {
xfs_buf_relse(bp);
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