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path: root/drivers/md/dm.c
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Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 7a774fcd0194..55f12df3589d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1478,17 +1478,10 @@ static unsigned get_num_write_zeroes_bios(struct dm_target *ti)
return ti->num_write_zeroes_bios;
}
-typedef bool (*is_split_required_fn)(struct dm_target *ti);
-
-static bool is_split_required_for_discard(struct dm_target *ti)
-{
- return ti->split_discard_bios;
-}
-
static int __send_changing_extent_only(struct clone_info *ci, struct dm_target *ti,
- unsigned num_bios, bool is_split_required)
+ unsigned num_bios)
{
- unsigned len;
+ unsigned len = ci->sector_count;
/*
* Even though the device advertised support for this type of
@@ -1499,11 +1492,6 @@ static int __send_changing_extent_only(struct clone_info *ci, struct dm_target *
if (!num_bios)
return -EOPNOTSUPP;
- if (!is_split_required)
- len = min((sector_t)ci->sector_count, max_io_len_target_boundary(ci->sector, ti));
- else
- len = min((sector_t)ci->sector_count, max_io_len(ci->sector, ti));
-
__send_duplicate_bios(ci, ti, num_bios, &len);
ci->sector += len;
@@ -1514,23 +1502,22 @@ static int __send_changing_extent_only(struct clone_info *ci, struct dm_target *
static int __send_discard(struct clone_info *ci, struct dm_target *ti)
{
- return __send_changing_extent_only(ci, ti, get_num_discard_bios(ti),
- is_split_required_for_discard(ti));
+ return __send_changing_extent_only(ci, ti, get_num_discard_bios(ti));
}
static int __send_secure_erase(struct clone_info *ci, struct dm_target *ti)
{
- return __send_changing_extent_only(ci, ti, get_num_secure_erase_bios(ti), false);
+ return __send_changing_extent_only(ci, ti, get_num_secure_erase_bios(ti));
}
static int __send_write_same(struct clone_info *ci, struct dm_target *ti)
{
- return __send_changing_extent_only(ci, ti, get_num_write_same_bios(ti), false);
+ return __send_changing_extent_only(ci, ti, get_num_write_same_bios(ti));
}
static int __send_write_zeroes(struct clone_info *ci, struct dm_target *ti)
{
- return __send_changing_extent_only(ci, ti, get_num_write_zeroes_bios(ti), false);
+ return __send_changing_extent_only(ci, ti, get_num_write_zeroes_bios(ti));
}
static bool is_abnormal_io(struct bio *bio)