diff options
| author |   Christoph Hellwig <hch@lst.de> | 2022-05-26 09:36:38 +0200 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2022-07-25 17:45:33 +0200 |
| commit | fed8a72df126fdf03bf6bd46d83be9ff3bd90892 (patch) | |
| tree | a20935c121267f7d62b18d49dc52f07dd2af484e /fs/btrfs/compression.h | |
| parent | btrfs: don't double-defer bio completions for compressed reads (diff) | |
| download | linux-dev-fed8a72df126fdf03bf6bd46d83be9ff3bd90892.tar.xz linux-dev-fed8a72df126fdf03bf6bd46d83be9ff3bd90892.zip | |
btrfs: don't use btrfs_bio_wq_end_io for compressed writes
Compressed write bio completion is the only user of btrfs_bio_wq_end_io
for writes, and the use of btrfs_bio_wq_end_io is a little suboptimal
here as we only real need user context for the final completion of a
compressed_bio structure, and not every single bio completion.
Add a work_struct to struct compressed_bio instead and use that to call
finish_compressed_bio_write. This allows to remove all handling of
write bios in the btrfs_bio_wq_end_io infrastructure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/compression.h')
| -rw-r--r-- | fs/btrfs/compression.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index 2707404389a5..5fca7603e928 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -61,8 +61,11 @@ struct compressed_bio { blk_status_t status; int mirror_num; - /* for reads, this is the bio we are copying the data into */ - struct bio *orig_bio; + union { + /* For reads, this is the bio we are copying the data into */ + struct bio *orig_bio; + struct work_struct write_end_work; + }; /* * the start of a variable length array of checksums only |