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authorChristoph Hellwig <hch@infradead.org>2012-02-19 21:31:23 -0500
committerBen Myers <bpm@sgi.com>2012-02-22 23:17:00 -0500
commitcfb7cdca0aca5ee2e2ef491284bf1edc3b581885 (patch)
tree2d3398752711b7b0215cba1aa2cc06fc8a44163d /fs/xfs/xfs_log.c
parent5b03ff1b2444ddf7b8084b7505101e97257aff5a (diff)
xfs: cleanup xfs_log_space_wake
Remove the now unused opportunistic parameter, and use the the xlog_writeq_wake and xlog_reserveq_wake helpers now that we don't have to care about the opportunistic wakeups. Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c35
1 files changed, 5 insertions, 30 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 9161e8a76e77..2db39df5a57d 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -762,18 +762,13 @@ xfs_log_item_init(
762 762
763/* 763/*
764 * Wake up processes waiting for log space after we have moved the log tail. 764 * Wake up processes waiting for log space after we have moved the log tail.
765 *
766 * If opportunistic is set wake up one waiter even if we do not have enough
767 * free space by our strict accounting.
768 */ 765 */
769void 766void
770xfs_log_space_wake( 767xfs_log_space_wake(
771 struct xfs_mount *mp, 768 struct xfs_mount *mp)
772 bool opportunistic)
773{ 769{
774 struct xlog_ticket *tic;
775 struct log *log = mp->m_log; 770 struct log *log = mp->m_log;
776 int need_bytes, free_bytes; 771 int free_bytes;
777 772
778 if (XLOG_FORCED_SHUTDOWN(log)) 773 if (XLOG_FORCED_SHUTDOWN(log))
779 return; 774 return;
@@ -783,16 +778,7 @@ xfs_log_space_wake(
783 778
784 spin_lock(&log->l_grant_write_lock); 779 spin_lock(&log->l_grant_write_lock);
785 free_bytes = xlog_space_left(log, &log->l_grant_write_head); 780 free_bytes = xlog_space_left(log, &log->l_grant_write_head);
786 list_for_each_entry(tic, &log->l_writeq, t_queue) { 781 xlog_writeq_wake(log, &free_bytes);
787 ASSERT(tic->t_flags & XLOG_TIC_PERM_RESERV);
788
789 if (free_bytes < tic->t_unit_res && !opportunistic)
790 break;
791 opportunistic = false;
792 free_bytes -= tic->t_unit_res;
793 trace_xfs_log_regrant_write_wake_up(log, tic);
794 wake_up(&tic->t_wait);
795 }
796 spin_unlock(&log->l_grant_write_lock); 782 spin_unlock(&log->l_grant_write_lock);
797 } 783 }
798 784
@@ -801,18 +787,7 @@ xfs_log_space_wake(
801 787
802 spin_lock(&log->l_grant_reserve_lock); 788 spin_lock(&log->l_grant_reserve_lock);
803 free_bytes = xlog_space_left(log, &log->l_grant_reserve_head); 789 free_bytes = xlog_space_left(log, &log->l_grant_reserve_head);
804 list_for_each_entry(tic, &log->l_reserveq, t_queue) { 790 xlog_reserveq_wake(log, &free_bytes);
805 if (tic->t_flags & XLOG_TIC_PERM_RESERV)
806 need_bytes = tic->t_unit_res*tic->t_cnt;
807 else
808 need_bytes = tic->t_unit_res;
809 if (free_bytes < need_bytes && !opportunistic)
810 break;
811 opportunistic = false;
812 free_bytes -= need_bytes;
813 trace_xfs_log_grant_wake_up(log, tic);
814 wake_up(&tic->t_wait);
815 }
816 spin_unlock(&log->l_grant_reserve_lock); 791 spin_unlock(&log->l_grant_reserve_lock);
817 } 792 }
818} 793}
@@ -2748,7 +2723,7 @@ xlog_ungrant_log_space(xlog_t *log,
2748 2723
2749 trace_xfs_log_ungrant_exit(log, ticket); 2724 trace_xfs_log_ungrant_exit(log, ticket);
2750 2725
2751 xfs_log_space_wake(log->l_mp, false); 2726 xfs_log_space_wake(log->l_mp);
2752} 2727}
2753 2728
2754/* 2729/*