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btrfs: move kthread_associate_blkcg out of btrfs_submit_compressed_write

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btrfs_submit_compressed_write should not have to care if it is called
from a helper thread or not.  Move the kthread_associate_blkcg handling
into submit_one_async_extent, as that is the one caller that needs it.
Also move the assignment of REQ_CGROUP_PUNT into cow_file_range_async,
as that is the routine that sets up the helper thread offload.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig
2023-03-27 09:49:47 +09:00
committed by David Sterba
parent 0f69d1f4d6
commit 05d06a5c9d
3 changed files with 8 additions and 13 deletions
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fs/btrfs/compression.h
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@ -92,7 +92,6 @@ void btrfs_submit_compressed_write(struct btrfs_inode *inode, u64 start,
struct page **compressed_pages,
unsigned int nr_pages,
blk_opf_t write_flags,
struct cgroup_subsys_state *blkcg_css,
bool writeback);
void btrfs_submit_compressed_read(struct btrfs_bio *bbio, int mirror_num);