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dm bufio: Add flags argument to dm_bufio_client_create

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Add a flags argument to dm_bufio_client_create and update all the
callers. This is in preparation to add the DM_BUFIO_NO_SLEEP flag.

Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Nathan Huckleberry 2022-07-22 09:38:21 +00:00 committed by Mike Snitzer
parent 9dd1cd3220
commit 0fcb100d50
8 changed files with 13 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/md/dm-bufio.c
View File

@ -1717,7 +1717,8 @@ static unsigned long dm_bufio_shrink_count(struct shrinker *shrink, struct shrin
struct dm_bufio_client *dm_bufio_client_create(struct block_device *bdev, unsigned block_size, struct dm_bufio_client *dm_bufio_client_create(struct block_device *bdev, unsigned block_size,
unsigned reserved_buffers, unsigned aux_size, unsigned reserved_buffers, unsigned aux_size,
void (*alloc_callback)(struct dm_buffer *), void (*alloc_callback)(struct dm_buffer *),
void (*write_callback)(struct dm_buffer *)) void (*write_callback)(struct dm_buffer *),
unsigned int flags)
{ {
int r; int r;
struct dm_bufio_client *c; struct dm_bufio_client *c;

3
drivers/md/dm-ebs-target.c
View File

@ -312,7 +312,8 @@ static int ebs_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad; goto bad;
} }
ec->bufio = dm_bufio_client_create(ec->dev->bdev, to_bytes(ec->u_bs), 1, 0, NULL, NULL); ec->bufio = dm_bufio_client_create(ec->dev->bdev, to_bytes(ec->u_bs), 1,
0, NULL, NULL, 0);
if (IS_ERR(ec->bufio)) { if (IS_ERR(ec->bufio)) {
ti->error = "Cannot create dm bufio client"; ti->error = "Cannot create dm bufio client";
r = PTR_ERR(ec->bufio); r = PTR_ERR(ec->bufio);

2
drivers/md/dm-integrity.c
View File

@ -4439,7 +4439,7 @@ try_smaller_buffer:
} }
ic->bufio = dm_bufio_client_create(ic->meta_dev ? ic->meta_dev->bdev : ic->dev->bdev, ic->bufio = dm_bufio_client_create(ic->meta_dev ? ic->meta_dev->bdev : ic->dev->bdev,
1U << (SECTOR_SHIFT + ic->log2_buffer_sectors), 1, 0, NULL, NULL); 1U << (SECTOR_SHIFT + ic->log2_buffer_sectors), 1, 0, NULL, NULL, 0);
if (IS_ERR(ic->bufio)) { if (IS_ERR(ic->bufio)) {
r = PTR_ERR(ic->bufio); r = PTR_ERR(ic->bufio);
ti->error = "Cannot initialize dm-bufio"; ti->error = "Cannot initialize dm-bufio";

2
drivers/md/dm-snap-persistent.c
View File

@ -494,7 +494,7 @@ static int read_exceptions(struct pstore *ps,
client = dm_bufio_client_create(dm_snap_cow(ps->store->snap)->bdev, client = dm_bufio_client_create(dm_snap_cow(ps->store->snap)->bdev,
ps->store->chunk_size << SECTOR_SHIFT, ps->store->chunk_size << SECTOR_SHIFT,
1, 0, NULL, NULL); 1, 0, NULL, NULL, 0);
if (IS_ERR(client)) if (IS_ERR(client))
return PTR_ERR(client); return PTR_ERR(client);

4
drivers/md/dm-verity-fec.c
View File

@ -749,7 +749,7 @@ int verity_fec_ctr(struct dm_verity *v)
f->bufio = dm_bufio_client_create(f->dev->bdev, f->bufio = dm_bufio_client_create(f->dev->bdev,
f->io_size, f->io_size,
1, 0, NULL, NULL); 1, 0, NULL, NULL, 0);
if (IS_ERR(f->bufio)) { if (IS_ERR(f->bufio)) {
ti->error = "Cannot initialize FEC bufio client"; ti->error = "Cannot initialize FEC bufio client";
return PTR_ERR(f->bufio); return PTR_ERR(f->bufio);
@ -765,7 +765,7 @@ int verity_fec_ctr(struct dm_verity *v)
f->data_bufio = dm_bufio_client_create(v->data_dev->bdev, f->data_bufio = dm_bufio_client_create(v->data_dev->bdev,
1 << v->data_dev_block_bits, 1 << v->data_dev_block_bits,
1, 0, NULL, NULL); 1, 0, NULL, NULL, 0);
if (IS_ERR(f->data_bufio)) { if (IS_ERR(f->data_bufio)) {
ti->error = "Cannot initialize FEC data bufio client"; ti->error = "Cannot initialize FEC data bufio client";
return PTR_ERR(f->data_bufio); return PTR_ERR(f->data_bufio);

2
drivers/md/dm-verity-target.c
View File

@ -1265,7 +1265,7 @@ static int verity_ctr(struct dm_target *ti, unsigned argc, char **argv)
v->bufio = dm_bufio_client_create(v->hash_dev->bdev, v->bufio = dm_bufio_client_create(v->hash_dev->bdev,
1 << v->hash_dev_block_bits, 1, sizeof(struct buffer_aux), 1 << v->hash_dev_block_bits, 1, sizeof(struct buffer_aux),
dm_bufio_alloc_callback, NULL); dm_bufio_alloc_callback, NULL, 0);
if (IS_ERR(v->bufio)) { if (IS_ERR(v->bufio)) {
ti->error = "Cannot initialize dm-bufio"; ti->error = "Cannot initialize dm-bufio";
r = PTR_ERR(v->bufio); r = PTR_ERR(v->bufio);

3
drivers/md/persistent-data/dm-block-manager.c
View File

@ -391,7 +391,8 @@ struct dm_block_manager *dm_block_manager_create(struct block_device *bdev,
bm->bufio = dm_bufio_client_create(bdev, block_size, max_held_per_thread, bm->bufio = dm_bufio_client_create(bdev, block_size, max_held_per_thread,
sizeof(struct buffer_aux), sizeof(struct buffer_aux),
dm_block_manager_alloc_callback, dm_block_manager_alloc_callback,
dm_block_manager_write_callback); dm_block_manager_write_callback,
0);
if (IS_ERR(bm->bufio)) { if (IS_ERR(bm->bufio)) {
r = PTR_ERR(bm->bufio); r = PTR_ERR(bm->bufio);
kfree(bm); kfree(bm);

3
include/linux/dm-bufio.h
View File

@ -24,7 +24,8 @@ struct dm_bufio_client *
dm_bufio_client_create(struct block_device *bdev, unsigned block_size, dm_bufio_client_create(struct block_device *bdev, unsigned block_size,
unsigned reserved_buffers, unsigned aux_size, unsigned reserved_buffers, unsigned aux_size,
void (*alloc_callback)(struct dm_buffer *), void (*alloc_callback)(struct dm_buffer *),
void (*write_callback)(struct dm_buffer *)); void (*write_callback)(struct dm_buffer *),
unsigned int flags);
/* /*
* Release a buffered IO cache. * Release a buffered IO cache.