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btrfs: reinitialize scrub workers
Scrub starts the workers each time a scrub starts and stops them after it finished. This patch adds an initialization for the workers before each start, otherwise the workers behave strangely. Signed-off-by: Arne Jansen <sensille@gmx.net>
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parent
8c51032f97
commit
632dd772fc
2 changed files with 5 additions and 3 deletions
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@ -1668,8 +1668,6 @@ struct btrfs_root *open_ctree(struct super_block *sb,
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init_waitqueue_head(&fs_info->scrub_pause_wait);
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init_rwsem(&fs_info->scrub_super_lock);
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fs_info->scrub_workers_refcnt = 0;
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btrfs_init_workers(&fs_info->scrub_workers, "scrub",
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fs_info->thread_pool_size, &fs_info->generic_worker);
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sb->s_blocksize = 4096;
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sb->s_blocksize_bits = blksize_bits(4096);
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@ -1166,8 +1166,12 @@ static noinline_for_stack int scrub_workers_get(struct btrfs_root *root)
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struct btrfs_fs_info *fs_info = root->fs_info;
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mutex_lock(&fs_info->scrub_lock);
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if (fs_info->scrub_workers_refcnt == 0)
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if (fs_info->scrub_workers_refcnt == 0) {
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btrfs_init_workers(&fs_info->scrub_workers, "scrub",
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fs_info->thread_pool_size, &fs_info->generic_worker);
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fs_info->scrub_workers.idle_thresh = 4;
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btrfs_start_workers(&fs_info->scrub_workers, 1);
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}
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++fs_info->scrub_workers_refcnt;
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mutex_unlock(&fs_info->scrub_lock);
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