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dm log: move region_size validation

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Move log size validation from mirror target to log constructor.

Removed PAGE_SIZE restriction we no longer think necessary.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Milan Broz
2009-01-06 03:05:01 +00:00
committed by Alasdair G Kergon
parent 6f3af01cb0
commit 2045e88edb
2 changed files with 14 additions and 14 deletions
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12
drivers/md/dm-raid1.c
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@ -808,12 +808,6 @@ static void free_context(struct mirror_set *ms, struct dm_target *ti,
kfree(ms);
}
static inline int _check_region_size(struct dm_target *ti, uint32_t size)
{
return !(size % (PAGE_SIZE >> 9) || !is_power_of_2(size) ||
size > ti->len);
}
static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
unsigned int mirror, char **argv)
{
@ -872,12 +866,6 @@ static struct dm_dirty_log *create_dirty_log(struct dm_target *ti,
return NULL;
}
if (!_check_region_size(ti, dl->type->get_region_size(dl))) {
ti->error = "Invalid region size";
dm_dirty_log_destroy(dl);
return NULL;
}
return dl;
}