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btrfs: Replace fs_info->delalloc_workers with btrfs_workqueue 

Much like the fs_info->workers, replace the fs_info->delalloc_workers
use the same 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 10:46:07 +08:00 committed by Josef Bacik
parent 5cdc7ad337
commit afe3d24267
4 changed files with 14 additions and 20 deletions
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2
fs/btrfs/ctree.h
View File

@ -1506,7 +1506,7 @@ struct btrfs_fs_info {
*/
struct btrfs_workers generic_worker;
struct btrfs_workqueue_struct *workers;
struct btrfs_workers delalloc_workers;
struct btrfs_workqueue_struct *delalloc_workers;
struct btrfs_workers flush_workers;
struct btrfs_workers endio_workers;
struct btrfs_workers endio_meta_workers;

12
fs/btrfs/disk-io.c
View File

@ -1997,7 +1997,7 @@ 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_destroy_workqueue(fs_info->delalloc_workers);
btrfs_destroy_workqueue(fs_info->workers);
btrfs_stop_workers(&fs_info->endio_workers);
btrfs_stop_workers(&fs_info->endio_meta_workers);
@ -2480,8 +2480,8 @@ int open_ctree(struct super_block *sb,
btrfs_alloc_workqueue("worker", flags | WQ_HIGHPRI,
max_active, 16);
btrfs_init_workers(&fs_info->delalloc_workers, "delalloc",
fs_info->thread_pool_size, NULL);
fs_info->delalloc_workers =
btrfs_alloc_workqueue("delalloc", flags, max_active, 2);
btrfs_init_workers(&fs_info->flush_workers, "flush_delalloc",
fs_info->thread_pool_size, NULL);
@ -2499,9 +2499,6 @@ int open_ctree(struct super_block *sb,
*/
fs_info->submit_workers.idle_thresh = 64;
fs_info->delalloc_workers.idle_thresh = 2;
fs_info->delalloc_workers.ordered = 1;
btrfs_init_workers(&fs_info->fixup_workers, "fixup", 1,
&fs_info->generic_worker);
btrfs_init_workers(&fs_info->endio_workers, "endio",
@ -2552,7 +2549,6 @@ int open_ctree(struct super_block *sb,
*/
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);
ret |= btrfs_start_workers(&fs_info->endio_workers);
ret |= btrfs_start_workers(&fs_info->endio_meta_workers);
@ -2570,7 +2566,7 @@ int open_ctree(struct super_block *sb,
err = -ENOMEM;
goto fail_sb_buffer;
}
if (!(fs_info->workers)) {
if (!(fs_info->workers && fs_info->delalloc_workers)) {
err = -ENOMEM;
goto fail_sb_buffer;
}

18
fs/btrfs/inode.c
View File

@ -324,7 +324,7 @@ struct async_cow {
u64 start;
u64 end;
struct list_head extents;
struct btrfs_work work;
struct btrfs_work_struct work;
};
static noinline int add_async_extent(struct async_cow *cow,
@ -1000,7 +1000,7 @@ out_unlock:
/*
* work queue call back to started compression on a file and pages
*/
static noinline void async_cow_start(struct btrfs_work *work)
static noinline void async_cow_start(struct btrfs_work_struct *work)
{
struct async_cow *async_cow;
int num_added = 0;
@ -1018,7 +1018,7 @@ static noinline void async_cow_start(struct btrfs_work *work)
/*
* work queue call back to submit previously compressed pages
*/
static noinline void async_cow_submit(struct btrfs_work *work)
static noinline void async_cow_submit(struct btrfs_work_struct *work)
{
struct async_cow *async_cow;
struct btrfs_root *root;
@ -1039,7 +1039,7 @@ static noinline void async_cow_submit(struct btrfs_work *work)
submit_compressed_extents(async_cow->inode, async_cow);
}
static noinline void async_cow_free(struct btrfs_work *work)
static noinline void async_cow_free(struct btrfs_work_struct *work)
{
struct async_cow *async_cow;
async_cow = container_of(work, struct async_cow, work);
@ -1076,17 +1076,15 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page,
async_cow->end = cur_end;
INIT_LIST_HEAD(&async_cow->extents);
async_cow->work.func = async_cow_start;
async_cow->work.ordered_func = async_cow_submit;
async_cow->work.ordered_free = async_cow_free;
async_cow->work.flags = 0;
btrfs_init_work(&async_cow->work, async_cow_start,
async_cow_submit, async_cow_free);
nr_pages = (cur_end - start + PAGE_CACHE_SIZE) >>
PAGE_CACHE_SHIFT;
atomic_add(nr_pages, &root->fs_info->async_delalloc_pages);
btrfs_queue_worker(&root->fs_info->delalloc_workers,
&async_cow->work);
btrfs_queue_work(root->fs_info->delalloc_workers,
&async_cow->work);
if (atomic_read(&root->fs_info->async_delalloc_pages) > limit) {
wait_event(root->fs_info->async_submit_wait,

2
fs/btrfs/super.c
View File

@ -1325,7 +1325,7 @@ static void btrfs_resize_thread_pool(struct btrfs_fs_info *fs_info,
btrfs_set_max_workers(&fs_info->generic_worker, 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_workqueue_set_max(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);
btrfs_set_max_workers(&fs_info->fixup_workers, new_pool_size);