diff options
| -rw-r--r-- | drivers/md/dm-snap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 4dc8a43c034..08047fb1cac 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -36,9 +36,9 @@ #define SNAPSHOT_COPY_PRIORITY 2 /* - * Each snapshot reserves this many pages for io + * Reserve 1MB for each snapshot initially (with minimum of 1 page). */ -#define SNAPSHOT_PAGES 256 +#define SNAPSHOT_PAGES (((1UL << 20) >> PAGE_SHIFT) ? : 1) static struct workqueue_struct *ksnapd; static void flush_queued_bios(struct work_struct *work); |