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| author | Mike Snitzer <snitzer@redhat.com> | 2022-01-28 10:58:39 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-01 17:27:03 +0100 |
| commit | 4cca3e3ef21da10eaa23410ce8ee953fa66c1f8b (patch) | |
| tree | 16258f6a9514a753d1f8891d8f5d888455d22a3c /include | |
| parent | 86125006d88dae6945d557059336319b76f2287c (diff) | |
| download | linux-4cca3e3ef21da10eaa23410ce8ee953fa66c1f8b.tar.gz linux-4cca3e3ef21da10eaa23410ce8ee953fa66c1f8b.tar.bz2 linux-4cca3e3ef21da10eaa23410ce8ee953fa66c1f8b.zip | |
block: add bio_start_io_acct_time() to control start_time
commit e45c47d1f94e0cc7b6b079fdb4bcce2995e2adc4 upstream.
bio_start_io_acct_time() interface is like bio_start_io_acct() that
allows start_time to be passed in. This gives drivers the ability to
defer starting accounting until after IO is issued (but possibily not
entirely due to bio splitting).
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Link: https://lore.kernel.org/r/20220128155841.39644-2-snitzer@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0a9fdcbbab83..be8e7a55d803 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1947,6 +1947,7 @@ unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors, void disk_end_io_acct(struct gendisk *disk, unsigned int op, unsigned long start_time); +void bio_start_io_acct_time(struct bio *bio, unsigned long start_time); unsigned long bio_start_io_acct(struct bio *bio); void bio_end_io_acct_remapped(struct bio *bio, unsigned long start_time, struct block_device *orig_bdev); |