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-rw-r--r--drivers/md/bitmap.c35
-rw-r--r--drivers/md/raid1.c1
-rw-r--r--drivers/md/raid10.c2
-rw-r--r--drivers/md/raid5.c3
4 files changed, 36 insertions, 5 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 1b1ef31..9231cd7 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1348,14 +1348,38 @@ void bitmap_close_sync(struct bitmap *bitmap)
*/
sector_t sector = 0;
int blocks;
- if (!bitmap) return;
+ if (!bitmap)
+ return;
while (sector < bitmap->mddev->resync_max_sectors) {
bitmap_end_sync(bitmap, sector, &blocks, 0);
-/*
- if (sector < 500) printk("bitmap_close_sync: sec %llu blks %d\n",
- (unsigned long long)sector, blocks);
-*/ sector += blocks;
+ sector += blocks;
+ }
+}
+
+void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector)
+{
+ sector_t s = 0;
+ int blocks;
+
+ if (!bitmap)
+ return;
+ if (sector == 0) {
+ bitmap->last_end_sync = jiffies;
+ return;
+ }
+ if (time_before(jiffies, (bitmap->last_end_sync
+ + bitmap->daemon_sleep * HZ)))
+ return;
+ wait_event(bitmap->mddev->recovery_wait,
+ atomic_read(&bitmap->mddev->recovery_active) == 0);
+
+ sector &= ~((1ULL << CHUNK_BLOCK_SHIFT(bitmap)) - 1);
+ s = 0;
+ while (s < sector && s < bitmap->mddev->resync_max_sectors) {
+ bitmap_end_sync(bitmap, s, &blocks, 0);
+ s += blocks;
}
+ bitmap->last_end_sync = jiffies;
}
static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed)
@@ -1565,3 +1589,4 @@ EXPORT_SYMBOL(bitmap_start_sync);
EXPORT_SYMBOL(bitmap_end_sync);
EXPORT_SYMBOL(bitmap_unplug);
EXPORT_SYMBOL(bitmap_close_sync);
+EXPORT_SYMBOL(bitmap_cond_end_sync);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4a69c41..e0b8d0dd 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1684,6 +1684,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
if (!go_faster && conf->nr_waiting)
msleep_interruptible(1000);
+ bitmap_cond_end_sync(mddev->bitmap, sector_nr);
raise_barrier(conf);
conf->next_resync = sector_nr;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5cdcc93..ba12527 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1670,6 +1670,8 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
if (!go_faster && conf->nr_waiting)
msleep_interruptible(1000);
+ bitmap_cond_end_sync(mddev->bitmap, sector_nr);
+
/* Again, very different code for resync and recovery.
* Both must result in an r10bio with a list of bios that
* have bi_end_io, bi_sector, bi_bdev set,
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e8c8157..388a974 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3753,6 +3753,9 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
return sync_blocks * STRIPE_SECTORS; /* keep things rounded to whole stripes */
}
+
+ bitmap_cond_end_sync(mddev->bitmap, sector_nr);
+
pd_idx = stripe_to_pdidx(sector_nr, conf, raid_disks);
sh = get_active_stripe(conf, sector_nr, raid_disks, pd_idx, 1);
if (sh == NULL) {
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