diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_buf.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 2af528dcfb0..f13503508c4 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. + * Copyright (c) 2000-2006 Silicon Graphics, Inc. * All Rights Reserved. * * This program is free software; you can redistribute it and/or @@ -1681,6 +1681,7 @@ xfsbufd( xfs_buf_t *bp, *n; struct list_head *dwq = &target->bt_delwrite_queue; spinlock_t *dwlk = &target->bt_delwrite_lock; + int count; current->flags |= PF_MEMALLOC; @@ -1696,6 +1697,7 @@ xfsbufd( schedule_timeout_interruptible( xfs_buf_timer_centisecs * msecs_to_jiffies(10)); + count = 0; age = xfs_buf_age_centisecs * msecs_to_jiffies(10); spin_lock(dwlk); list_for_each_entry_safe(bp, n, dwq, b_list) { @@ -1711,9 +1713,11 @@ xfsbufd( break; } - bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q); + bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q| + _XBF_RUN_QUEUES); bp->b_flags |= XBF_WRITE; - list_move(&bp->b_list, &tmp); + list_move_tail(&bp->b_list, &tmp); + count++; } } spin_unlock(dwlk); @@ -1724,12 +1728,12 @@ xfsbufd( list_del_init(&bp->b_list); xfs_buf_iostrategy(bp); - - blk_run_address_space(target->bt_mapping); } if (as_list_len > 0) purge_addresses(); + if (count) + blk_run_address_space(target->bt_mapping); clear_bit(XBT_FORCE_FLUSH, &target->bt_flags); } while (!kthread_should_stop()); @@ -1767,7 +1771,7 @@ xfs_flush_buftarg( continue; } - list_move(&bp->b_list, &tmp); + list_move_tail(&bp->b_list, &tmp); } spin_unlock(dwlk); @@ -1776,7 +1780,7 @@ xfs_flush_buftarg( */ list_for_each_entry_safe(bp, n, &tmp, b_list) { xfs_buf_lock(bp); - bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q); + bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q|_XBF_RUN_QUEUES); bp->b_flags |= XBF_WRITE; if (wait) bp->b_flags &= ~XBF_ASYNC; @@ -1786,6 +1790,9 @@ xfs_flush_buftarg( xfs_buf_iostrategy(bp); } + if (wait) + blk_run_address_space(target->bt_mapping); + /* * Remaining list items must be flushed before returning */ @@ -1797,9 +1804,6 @@ xfs_flush_buftarg( xfs_buf_relse(bp); } - if (wait) - blk_run_address_space(target->bt_mapping); - return pincount; } |