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drbd: Make sure to resync all of the new storage upon online resize 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-04-01 09:57:40 +02:00
parent e89b591c3a
commit fd76438c24
1 changed files with 6 additions and 0 deletions
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6
drivers/block/drbd/drbd_bitmap.c
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@ -84,6 +84,9 @@ struct drbd_bitmap {
#define BM_MD_IO_ERROR 1
#define BM_P_VMALLOCED 2
int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
unsigned long e, int val, const enum km_type km);
static int bm_is_locked(struct drbd_bitmap *b)
{
return test_bit(BM_LOCKED, &b->bm_flags);
@ -529,6 +532,9 @@ int drbd_bm_resize(struct drbd_conf *mdev, sector_t capacity, int set_new_bits)
if (set_new_bits) {
bm_memset(b, owords, 0xff, words-owords);
b->bm_set += bits - obits;
__bm_change_bits_to(mdev, obits,
ALIGN(obits, BITS_PER_LONG),
1, KM_IRQ1);
} else
bm_memset(b, owords, 0x00, words-owords);