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btrfs: Replace fs_info->qgroup_rescan_worker workqueue with btrfs_workqueue. 

Replace the fs_info->qgroup_rescan_worker with the newly created
btrfs_workqueue.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Tested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
This commit is contained in:
Qu Wenruo 2014-02-28 10:46:16 +08:00 committed by Josef Bacik
parent 5b3bc44e2e
commit fc97fab0ea
3 changed files with 16 additions and 15 deletions
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4
fs/btrfs/ctree.h
View File

@ -1648,9 +1648,9 @@ struct btrfs_fs_info {
/* qgroup rescan items */
struct mutex qgroup_rescan_lock; /* protects the progress item */
struct btrfs_key qgroup_rescan_progress;
struct btrfs_workers qgroup_rescan_workers;
struct btrfs_workqueue_struct *qgroup_rescan_workers;
struct completion qgroup_rescan_completion;
struct btrfs_work qgroup_rescan_work;
struct btrfs_work_struct qgroup_rescan_work;
/* filesystem state */
unsigned long fs_state;

10
fs/btrfs/disk-io.c
View File

@ -2010,7 +2010,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info)
btrfs_destroy_workqueue(fs_info->caching_workers);
btrfs_destroy_workqueue(fs_info->readahead_workers);
btrfs_destroy_workqueue(fs_info->flush_workers);
btrfs_stop_workers(&fs_info->qgroup_rescan_workers);
btrfs_destroy_workqueue(fs_info->qgroup_rescan_workers);
}
static void free_root_extent_buffers(struct btrfs_root *root)
@ -2523,15 +2523,14 @@ int open_ctree(struct super_block *sb,
btrfs_alloc_workqueue("delayed-meta", flags, max_active, 0);
fs_info->readahead_workers =
btrfs_alloc_workqueue("readahead", flags, max_active, 2);
btrfs_init_workers(&fs_info->qgroup_rescan_workers, "qgroup-rescan", 1,
&fs_info->generic_worker);
fs_info->qgroup_rescan_workers =
btrfs_alloc_workqueue("qgroup-rescan", flags, 1, 0);
/*
* btrfs_start_workers can really only fail because of ENOMEM so just
* return -ENOMEM if any of these fail.
*/
ret = btrfs_start_workers(&fs_info->generic_worker);
ret |= btrfs_start_workers(&fs_info->qgroup_rescan_workers);
if (ret) {
err = -ENOMEM;
goto fail_sb_buffer;
@ -2543,7 +2542,8 @@ int open_ctree(struct super_block *sb,
fs_info->endio_write_workers && fs_info->endio_raid56_workers &&
fs_info->endio_freespace_worker && fs_info->rmw_workers &&
fs_info->caching_workers && fs_info->readahead_workers &&
fs_info->fixup_workers && fs_info->delayed_workers)) {
fs_info->fixup_workers && fs_info->delayed_workers &&
fs_info->qgroup_rescan_workers)) {
err = -ENOMEM;
goto fail_sb_buffer;
}

17
fs/btrfs/qgroup.c
View File

@ -1509,8 +1509,8 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
ret = qgroup_rescan_init(fs_info, 0, 1);
if (!ret) {
qgroup_rescan_zero_tracking(fs_info);
btrfs_queue_worker(&fs_info->qgroup_rescan_workers,
&fs_info->qgroup_rescan_work);
btrfs_queue_work(fs_info->qgroup_rescan_workers,
&fs_info->qgroup_rescan_work);
}
ret = 0;
}
@ -1984,7 +1984,7 @@ out:
return ret;
}
static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
static void btrfs_qgroup_rescan_worker(struct btrfs_work_struct *work)
{
struct btrfs_fs_info *fs_info = container_of(work, struct btrfs_fs_info,
qgroup_rescan_work);
@ -2095,7 +2095,8 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid,
memset(&fs_info->qgroup_rescan_work, 0,
sizeof(fs_info->qgroup_rescan_work));
fs_info->qgroup_rescan_work.func = btrfs_qgroup_rescan_worker;
btrfs_init_work(&fs_info->qgroup_rescan_work,
btrfs_qgroup_rescan_worker, NULL, NULL);
if (ret) {
err:
@ -2158,8 +2159,8 @@ btrfs_qgroup_rescan(struct btrfs_fs_info *fs_info)
qgroup_rescan_zero_tracking(fs_info);
btrfs_queue_worker(&fs_info->qgroup_rescan_workers,
&fs_info->qgroup_rescan_work);
btrfs_queue_work(fs_info->qgroup_rescan_workers,
&fs_info->qgroup_rescan_work);
return 0;
}
@ -2190,6 +2191,6 @@ void
btrfs_qgroup_rescan_resume(struct btrfs_fs_info *fs_info)
{
if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN)
btrfs_queue_worker(&fs_info->qgroup_rescan_workers,
&fs_info->qgroup_rescan_work);
btrfs_queue_work(fs_info->qgroup_rescan_workers,
&fs_info->qgroup_rescan_work);
}