Merge tag 'v3.13-rc6' into for-3.14/core

[deliverable/linux.git] / fs / xfs / xfs_buf.c

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 5f3ea443ebbe34950123246533058eb83c7f30c4..2a941ab623cb1b32498e9aadfcddda63084df1f8 100644 (file)
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -698,7 +698,11 @@ xfs_buf_read_uncached(
        bp->b_flags |= XBF_READ;
        bp->b_ops = ops;
 
-       xfsbdstrat(target->bt_mount, bp);
+       if (XFS_FORCED_SHUTDOWN(target->bt_mount)) {
+               xfs_buf_relse(bp);
+               return NULL;
+       }
+       xfs_buf_iorequest(bp);
        xfs_buf_iowait(bp);
        return bp;
 }
@@ -1089,7 +1093,7 @@ xfs_bioerror(
  * This is meant for userdata errors; metadata bufs come with
  * iodone functions attached, so that we can track down errors.
  */
-STATIC int
+int
 xfs_bioerror_relse(
        struct xfs_buf  *bp)
 {
@@ -1152,7 +1156,7 @@ xfs_bwrite(
        ASSERT(xfs_buf_islocked(bp));
 
        bp->b_flags |= XBF_WRITE;
-       bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q);
+       bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q | XBF_WRITE_FAIL);
 
        xfs_bdstrat_cb(bp);
 
@@ -1164,25 +1168,6 @@ xfs_bwrite(
        return error;
 }
 
-/*
- * Wrapper around bdstrat so that we can stop data from going to disk in case
- * we are shutting down the filesystem.  Typically user data goes thru this
- * path; one of the exceptions is the superblock.
- */
-void
-xfsbdstrat(
-       struct xfs_mount        *mp,
-       struct xfs_buf          *bp)
-{
-       if (XFS_FORCED_SHUTDOWN(mp)) {
-               trace_xfs_bdstrat_shut(bp, _RET_IP_);
-               xfs_bioerror_relse(bp);
-               return;
-       }
-
-       xfs_buf_iorequest(bp);
-}
-
 STATIC void
 _xfs_buf_ioend(
        xfs_buf_t               *bp,
@@ -1516,6 +1501,12 @@ xfs_wait_buftarg(
                        struct xfs_buf *bp;
                        bp = list_first_entry(&dispose, struct xfs_buf, b_lru);
                        list_del_init(&bp->b_lru);
+                       if (bp->b_flags & XBF_WRITE_FAIL) {
+                               xfs_alert(btp->bt_mount,
+"Corruption Alert: Buffer at block 0x%llx had permanent write failures!\n"
+"Please run xfs_repair to determine the extent of the problem.",
+                                       (long long)bp->b_bn);
+                       }
                        xfs_buf_rele(bp);
                }
                if (loop++ != 0)
@@ -1799,7 +1790,7 @@ __xfs_buf_delwri_submit(
 
        blk_start_plug(&plug);
        list_for_each_entry_safe(bp, n, io_list, b_list) {
-               bp->b_flags &= ~(_XBF_DELWRI_Q | XBF_ASYNC);
+               bp->b_flags &= ~(_XBF_DELWRI_Q | XBF_ASYNC | XBF_WRITE_FAIL);
                bp->b_flags |= XBF_WRITE;
 
                if (!wait) {