提交 5cdc7ad3 编写于 作者: Q Qu Wenruo 提交者: Josef Bacik

btrfs: Replace fs_info->workers with btrfs_workqueue.

Use the newly created btrfs_workqueue_struct to replace the original
fs_info->workers
Signed-off-by: NQu Wenruo <quwenruo@cn.fujitsu.com>
Tested-by: NDavid Sterba <dsterba@suse.cz>
Signed-off-by: NJosef Bacik <jbacik@fb.com>
上级 0bd9289c
......@@ -1505,7 +1505,7 @@ struct btrfs_fs_info {
* two
*/
struct btrfs_workers generic_worker;
struct btrfs_workers workers;
struct btrfs_workqueue_struct *workers;
struct btrfs_workers delalloc_workers;
struct btrfs_workers flush_workers;
struct btrfs_workers endio_workers;
......
......@@ -108,7 +108,7 @@ struct async_submit_bio {
* can't tell us where in the file the bio should go
*/
u64 bio_offset;
struct btrfs_work work;
struct btrfs_work_struct work;
int error;
};
......@@ -738,12 +738,12 @@ int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info)
{
unsigned long limit = min_t(unsigned long,
info->workers.max_workers,
info->thread_pool_size,
info->fs_devices->open_devices);
return 256 * limit;
}
static void run_one_async_start(struct btrfs_work *work)
static void run_one_async_start(struct btrfs_work_struct *work)
{
struct async_submit_bio *async;
int ret;
......@@ -756,7 +756,7 @@ static void run_one_async_start(struct btrfs_work *work)
async->error = ret;
}
static void run_one_async_done(struct btrfs_work *work)
static void run_one_async_done(struct btrfs_work_struct *work)
{
struct btrfs_fs_info *fs_info;
struct async_submit_bio *async;
......@@ -783,7 +783,7 @@ static void run_one_async_done(struct btrfs_work *work)
async->bio_offset);
}
static void run_one_async_free(struct btrfs_work *work)
static void run_one_async_free(struct btrfs_work_struct *work)
{
struct async_submit_bio *async;
......@@ -811,11 +811,9 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
async->submit_bio_start = submit_bio_start;
async->submit_bio_done = submit_bio_done;
async->work.func = run_one_async_start;
async->work.ordered_func = run_one_async_done;
async->work.ordered_free = run_one_async_free;
btrfs_init_work(&async->work, run_one_async_start,
run_one_async_done, run_one_async_free);
async->work.flags = 0;
async->bio_flags = bio_flags;
async->bio_offset = bio_offset;
......@@ -824,9 +822,9 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
atomic_inc(&fs_info->nr_async_submits);
if (rw & REQ_SYNC)
btrfs_set_work_high_prio(&async->work);
btrfs_set_work_high_priority(&async->work);
btrfs_queue_worker(&fs_info->workers, &async->work);
btrfs_queue_work(fs_info->workers, &async->work);
while (atomic_read(&fs_info->async_submit_draining) &&
atomic_read(&fs_info->nr_async_submits)) {
......@@ -2000,7 +1998,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info)
btrfs_stop_workers(&fs_info->generic_worker);
btrfs_stop_workers(&fs_info->fixup_workers);
btrfs_stop_workers(&fs_info->delalloc_workers);
btrfs_stop_workers(&fs_info->workers);
btrfs_destroy_workqueue(fs_info->workers);
btrfs_stop_workers(&fs_info->endio_workers);
btrfs_stop_workers(&fs_info->endio_meta_workers);
btrfs_stop_workers(&fs_info->endio_raid56_workers);
......@@ -2104,6 +2102,8 @@ int open_ctree(struct super_block *sb,
int err = -EINVAL;
int num_backups_tried = 0;
int backup_index = 0;
int max_active;
int flags = WQ_MEM_RECLAIM | WQ_FREEZABLE | WQ_UNBOUND;
bool create_uuid_tree;
bool check_uuid_tree;
......@@ -2472,12 +2472,13 @@ int open_ctree(struct super_block *sb,
goto fail_alloc;
}
max_active = fs_info->thread_pool_size;
btrfs_init_workers(&fs_info->generic_worker,
"genwork", 1, NULL);
btrfs_init_workers(&fs_info->workers, "worker",
fs_info->thread_pool_size,
&fs_info->generic_worker);
fs_info->workers =
btrfs_alloc_workqueue("worker", flags | WQ_HIGHPRI,
max_active, 16);
btrfs_init_workers(&fs_info->delalloc_workers, "delalloc",
fs_info->thread_pool_size, NULL);
......@@ -2498,9 +2499,6 @@ int open_ctree(struct super_block *sb,
*/
fs_info->submit_workers.idle_thresh = 64;
fs_info->workers.idle_thresh = 16;
fs_info->workers.ordered = 1;
fs_info->delalloc_workers.idle_thresh = 2;
fs_info->delalloc_workers.ordered = 1;
......@@ -2552,8 +2550,7 @@ int open_ctree(struct super_block *sb,
* 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->workers);
ret |= btrfs_start_workers(&fs_info->generic_worker);
ret = btrfs_start_workers(&fs_info->generic_worker);
ret |= btrfs_start_workers(&fs_info->submit_workers);
ret |= btrfs_start_workers(&fs_info->delalloc_workers);
ret |= btrfs_start_workers(&fs_info->fixup_workers);
......@@ -2573,6 +2570,10 @@ int open_ctree(struct super_block *sb,
err = -ENOMEM;
goto fail_sb_buffer;
}
if (!(fs_info->workers)) {
err = -ENOMEM;
goto fail_sb_buffer;
}
fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
fs_info->bdi.ra_pages = max(fs_info->bdi.ra_pages,
......
......@@ -1324,7 +1324,7 @@ static void btrfs_resize_thread_pool(struct btrfs_fs_info *fs_info,
old_pool_size, new_pool_size);
btrfs_set_max_workers(&fs_info->generic_worker, new_pool_size);
btrfs_set_max_workers(&fs_info->workers, new_pool_size);
btrfs_workqueue_set_max(fs_info->workers, new_pool_size);
btrfs_set_max_workers(&fs_info->delalloc_workers, new_pool_size);
btrfs_set_max_workers(&fs_info->submit_workers, new_pool_size);
btrfs_set_max_workers(&fs_info->caching_workers, new_pool_size);
......
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