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authorJens Axboe <jaxboe@fusionio.com>2011-03-10 08:52:07 +0100
committerJens Axboe <jaxboe@fusionio.com>2011-03-10 08:52:07 +0100
commit7eaceaccab5f40bbfda044629a6298616aeaed50 (patch)
tree33954d12f63e25a47eb6d86ef3d3d0a5e62bf752 /fs/xfs/linux-2.6/xfs_buf.c
parent73c101011926c5832e6e141682180c4debe2cf45 (diff)
downloadop-kernel-dev-7eaceaccab5f40bbfda044629a6298616aeaed50.zip
op-kernel-dev-7eaceaccab5f40bbfda044629a6298616aeaed50.tar.gz
block: remove per-queue plugging
Code has been converted over to the new explicit on-stack plugging, and delay users have been converted to use the new API for that. So lets kill off the old plugging along with aops->sync_page(). Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_buf.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index ac1c7e8..4f8f53c 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -991,7 +991,7 @@ xfs_buf_lock(
if (atomic_read(&bp->b_pin_count) && (bp->b_flags & XBF_STALE))
xfs_log_force(bp->b_target->bt_mount, 0);
if (atomic_read(&bp->b_io_remaining))
- blk_run_address_space(bp->b_target->bt_mapping);
+ blk_flush_plug(current);
down(&bp->b_sema);
XB_SET_OWNER(bp);
@@ -1035,9 +1035,7 @@ xfs_buf_wait_unpin(
set_current_state(TASK_UNINTERRUPTIBLE);
if (atomic_read(&bp->b_pin_count) == 0)
break;
- if (atomic_read(&bp->b_io_remaining))
- blk_run_address_space(bp->b_target->bt_mapping);
- schedule();
+ io_schedule();
}
remove_wait_queue(&bp->b_waiters, &wait);
set_current_state(TASK_RUNNING);
@@ -1443,7 +1441,7 @@ xfs_buf_iowait(
trace_xfs_buf_iowait(bp, _RET_IP_);
if (atomic_read(&bp->b_io_remaining))
- blk_run_address_space(bp->b_target->bt_mapping);
+ blk_flush_plug(current);
wait_for_completion(&bp->b_iowait);
trace_xfs_buf_iowait_done(bp, _RET_IP_);
@@ -1667,7 +1665,6 @@ xfs_mapping_buftarg(
struct inode *inode;
struct address_space *mapping;
static const struct address_space_operations mapping_aops = {
- .sync_page = block_sync_page,
.migratepage = fail_migrate_page,
};
@@ -1948,7 +1945,7 @@ xfsbufd(
count++;
}
if (count)
- blk_run_address_space(target->bt_mapping);
+ blk_flush_plug(current);
} while (!kthread_should_stop());
@@ -1996,7 +1993,7 @@ xfs_flush_buftarg(
if (wait) {
/* Expedite and wait for IO to complete. */
- blk_run_address_space(target->bt_mapping);
+ blk_flush_plug(current);
while (!list_empty(&wait_list)) {
bp = list_first_entry(&wait_list, struct xfs_buf, b_list);
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