diff options
Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
| -rw-r--r-- | fs/xfs/xfs_buf_item.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index f6a8422e9562..7573a1f0bc9a 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -29,6 +29,7 @@ #include "xfs_error.h" #include "xfs_trace.h" #include "xfs_log.h" +#include "xfs_inode.h" kmem_zone_t *xfs_buf_item_zone; @@ -1054,6 +1055,31 @@ xfs_buf_do_callbacks( } } +/* + * Invoke the error state callback for each log item affected by the failed I/O. + * + * If a metadata buffer write fails with a non-permanent error, the buffer is + * eventually resubmitted and so the completion callbacks are not run. The error + * state may need to be propagated to the log items attached to the buffer, + * however, so the next AIL push of the item knows hot to handle it correctly. + */ +STATIC void +xfs_buf_do_callbacks_fail( + struct xfs_buf *bp) +{ + struct xfs_log_item *next; + struct xfs_log_item *lip = bp->b_fspriv; + struct xfs_ail *ailp = lip->li_ailp; + + spin_lock(&ailp->xa_lock); + for (; lip; lip = next) { + next = lip->li_bio_list; + if (lip->li_ops->iop_error) + lip->li_ops->iop_error(lip, bp); + } + spin_unlock(&ailp->xa_lock); +} + static bool xfs_buf_iodone_callback_error( struct xfs_buf *bp) @@ -1123,7 +1149,11 @@ xfs_buf_iodone_callback_error( if ((mp->m_flags & XFS_MOUNT_UNMOUNTING) && mp->m_fail_unmount) goto permanent_error; - /* still a transient error, higher layers will retry */ + /* + * Still a transient error, run IO completion failure callbacks and let + * the higher layers retry the buffer. + */ + xfs_buf_do_callbacks_fail(bp); xfs_buf_ioerror(bp, 0); xfs_buf_relse(bp); return true; |