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btrfs: Replace fs_info->submit_workers with btrfs_workqueue.

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Much like the fs_info->workers, replace the fs_info->submit_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 10:46:08 +08:00 • committed by Josef Bacik
parent afe3d24267
commit a8c93d4ef6
5 changed files with 18 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

17
fs/btrfs/disk-io.c
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@ -2006,7 +2006,7 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info)
btrfs_stop_workers(&fs_info->endio_meta_write_workers);
btrfs_stop_workers(&fs_info->endio_write_workers);
btrfs_stop_workers(&fs_info->endio_freespace_worker);
btrfs_stop_workers(&fs_info->submit_workers);
btrfs_destroy_workqueue(fs_info->submit_workers);
btrfs_stop_workers(&fs_info->delayed_workers);
btrfs_stop_workers(&fs_info->caching_workers);
btrfs_stop_workers(&fs_info->readahead_workers);
@ -2486,18 +2486,19 @@ int open_ctree(struct super_block *sb,
btrfs_init_workers(&fs_info->flush_workers, "flush_delalloc",
fs_info->thread_pool_size, NULL);
btrfs_init_workers(&fs_info->submit_workers, "submit",
min_t(u64, fs_devices->num_devices,
fs_info->thread_pool_size), NULL);
btrfs_init_workers(&fs_info->caching_workers, "cache",
fs_info->thread_pool_size, NULL);
/* a higher idle thresh on the submit workers makes it much more
/*
* a higher idle thresh on the submit workers makes it much more
* likely that bios will be send down in a sane order to the
* devices
*/
fs_info->submit_workers.idle_thresh = 64;
fs_info->submit_workers =
btrfs_alloc_workqueue("submit", flags,
min_t(u64, fs_devices->num_devices,
max_active), 64);
btrfs_init_workers(&fs_info->fixup_workers, "fixup", 1,
&fs_info->generic_worker);
@ -2548,7 +2549,6 @@ int open_ctree(struct super_block *sb,
* return -ENOMEM if any of these fail.
*/
ret = btrfs_start_workers(&fs_info->generic_worker);
ret |= btrfs_start_workers(&fs_info->submit_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);
@ -2566,7 +2566,8 @@ int open_ctree(struct super_block *sb,
err = -ENOMEM;
goto fail_sb_buffer;
}
if (!(fs_info->workers && fs_info->delalloc_workers)) {
if (!(fs_info->workers && fs_info->delalloc_workers &&
fs_info->submit_workers)) {
err = -ENOMEM;
goto fail_sb_buffer;
}