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| author |   Mikulas Patocka <mpatocka@redhat.com> | 2014-03-14 18:40:39 -0400 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2014-06-03 13:44:06 -0400 |
| commit | e0d6609a5fe34463ae2fd48d846931f70de8b37b (patch) | |
| tree | 06dedeb8a01b4cc0a658038cfc5ab4e467a8b259 /drivers/md | |
| parent | Linux 3.15-rc8 (diff) | |
| download | linux-dev-e0d6609a5fe34463ae2fd48d846931f70de8b37b.tar.xz linux-dev-e0d6609a5fe34463ae2fd48d846931f70de8b37b.zip | |
dm: change sector_count member in clone_info from sector_t to unsigned
It is impossible to create bios with 2^23 or more sectors (the size is
stored as a 32-bit byte count in the bio). So we convert some sector_t
values to unsigned integers.
This is needed for the next commit ("dm: introduce
dm_accept_partial_bio") that replaces integer value arguments with
pointers, so the size of the integer must match.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 455e64916498..368a20dd85c2 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1152,10 +1152,10 @@ struct clone_info { struct bio *bio; struct dm_io *io; sector_t sector; - sector_t sector_count; + unsigned sector_count; }; -static void bio_setup_sector(struct bio *bio, sector_t sector, sector_t len) +static void bio_setup_sector(struct bio *bio, sector_t sector, unsigned len) { bio->bi_iter.bi_sector = sector; bio->bi_iter.bi_size = to_bytes(len); @@ -1200,7 +1200,7 @@ static struct dm_target_io *alloc_tio(struct clone_info *ci, static void __clone_and_map_simple_bio(struct clone_info *ci, struct dm_target *ti, - unsigned target_bio_nr, sector_t len) + unsigned target_bio_nr, unsigned len) { struct dm_target_io *tio = alloc_tio(ci, ti, ci->bio->bi_max_vecs, target_bio_nr); struct bio *clone = &tio->clone; @@ -1218,7 +1218,7 @@ static void __clone_and_map_simple_bio(struct clone_info *ci, } static void __send_duplicate_bios(struct clone_info *ci, struct dm_target *ti, - unsigned num_bios, sector_t len) + unsigned num_bios, unsigned len) { unsigned target_bio_nr; @@ -1283,7 +1283,7 @@ static int __send_changing_extent_only(struct clone_info *ci, is_split_required_fn is_split_required) { struct dm_target *ti; - sector_t len; + unsigned len; unsigned num_bios; do { @@ -1302,9 +1302,9 @@ static int __send_changing_extent_only(struct clone_info *ci, return -EOPNOTSUPP; if (is_split_required && !is_split_required(ti)) - len = min(ci->sector_count, max_io_len_target_boundary(ci->sector, ti)); + len = min((sector_t)ci->sector_count, max_io_len_target_boundary(ci->sector, ti)); else - len = min(ci->sector_count, max_io_len(ci->sector, ti)); + len = min((sector_t)ci->sector_count, max_io_len(ci->sector, ti)); __send_duplicate_bios(ci, ti, num_bios, len); |