diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-04-06 09:12:24 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-18 04:29:41 +0300 |
| commit | f9e69aa9ccd7e51c47b147e45e03987ea0ef9aa3 (patch) | |
| tree | 7ed612b0384651de59be62867c2784f423f46531 /fs/btrfs/disk-io.c | |
| parent | b53f3dcd705e52a07bd0311870dbfb6842e88c91 (diff) | |
| download | linux-f9e69aa9ccd7e51c47b147e45e03987ea0ef9aa3.tar.xz | |
btrfs: simplify ->flush_bio handling
Use and embedded bios that is initialized when used instead of
bio_kmalloc plus bio_reset.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220406061228.410163-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 126f244cdf88..cf9b5e214d6f 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4226,6 +4226,7 @@ static int wait_dev_supers(struct btrfs_device *device, int max_mirrors) */ static void btrfs_end_empty_barrier(struct bio *bio) { + bio_uninit(bio); complete(bio->bi_private); } @@ -4235,7 +4236,7 @@ static void btrfs_end_empty_barrier(struct bio *bio) */ static void write_dev_flush(struct btrfs_device *device) { - struct bio *bio = device->flush_bio; + struct bio *bio = &device->flush_bio; #ifndef CONFIG_BTRFS_FS_CHECK_INTEGRITY /* @@ -4253,7 +4254,8 @@ static void write_dev_flush(struct btrfs_device *device) return; #endif - bio_reset(bio, device->bdev, REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH); + bio_init(bio, device->bdev, NULL, 0, + REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH); bio->bi_end_io = btrfs_end_empty_barrier; init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; @@ -4267,7 +4269,7 @@ static void write_dev_flush(struct btrfs_device *device) */ static blk_status_t wait_dev_flush(struct btrfs_device *device) { - struct bio *bio = device->flush_bio; + struct bio *bio = &device->flush_bio; if (!test_bit(BTRFS_DEV_STATE_FLUSH_SENT, &device->dev_state)) return BLK_STS_OK; |