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dm: rename split functions

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Rename __split_and_process_bio to dm_split_and_process_bio.
Rename __split_and_process_non_flush to __split_and_process_bio.

Also fix a stale comment and whitespace.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2022-02-17 23:40:07 -05:00
parent 205649d84c
commit 96c9865cb6
1 changed files with 11 additions and 11 deletions
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22
drivers/md/dm.c
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@ -1378,7 +1378,7 @@ static bool __process_abnormal_io(struct clone_info *ci, struct dm_target *ti,
/*
* Select the correct strategy for processing a non-flush bio.
*/
static int __split_and_process_non_flush(struct clone_info *ci)
static int __split_and_process_bio(struct clone_info *ci)
{
struct dm_target *ti;
unsigned len;
@ -1414,8 +1414,8 @@ static void init_clone_info(struct clone_info *ci, struct mapped_device *md,
/*
* Entry point to split a bio into clones and submit them to the targets.
*/
static void __split_and_process_bio(struct mapped_device *md,
struct dm_table *map, struct bio *bio)
static void dm_split_and_process_bio(struct mapped_device *md,
struct dm_table *map, struct bio *bio)
{
struct clone_info ci;
int error = 0;
@ -1428,19 +1428,19 @@ static void __split_and_process_bio(struct mapped_device *md,
} else if (op_is_zone_mgmt(bio_op(bio))) {
ci.bio = bio;
ci.sector_count = 0;
error = __split_and_process_non_flush(&ci);
error = __split_and_process_bio(&ci);
} else {
ci.bio = bio;
ci.sector_count = bio_sectors(bio);
error = __split_and_process_non_flush(&ci);
error = __split_and_process_bio(&ci);
if (ci.sector_count && !error) {
/*
* Remainder must be passed to submit_bio_noacct()
* so that it gets handled *after* bios already submitted
* have been completely processed.
* We take a clone of the original to store in
* ci.io->orig_bio to be used by dm_end_io_acct() and
* for dm_io_dec_pending() to use for completion handling.
* ci.io->orig_bio to be used by dm_end_io_acct() and for
* dm_io_dec_pending() to use for completion handling.
*/
struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
GFP_NOIO, &md->queue->bio_split);
@ -1489,7 +1489,7 @@ static void dm_submit_bio(struct bio *bio)
if (is_abnormal_io(bio))
blk_queue_split(&bio);
__split_and_process_bio(md, map, bio);
dm_split_and_process_bio(md, map, bio);
out:
dm_put_live_table(md, srcu_idx);
}
@ -2310,11 +2310,11 @@ static int __dm_suspend(struct mapped_device *md, struct dm_table *map,
/*
* Here we must make sure that no processes are submitting requests
* to target drivers i.e. no one may be executing
* __split_and_process_bio from dm_submit_bio.
* dm_split_and_process_bio from dm_submit_bio.
*
* To get all processes out of __split_and_process_bio in dm_submit_bio,
* To get all processes out of dm_split_and_process_bio in dm_submit_bio,
* we take the write lock. To prevent any process from reentering
* __split_and_process_bio from dm_submit_bio and quiesce the thread
* dm_split_and_process_bio from dm_submit_bio and quiesce the thread
* (dm_wq_work), we set DMF_BLOCK_IO_FOR_SUSPEND and call
* flush_workqueue(md->wq).
*/