diff options
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 7878712721bf..cdf36b1e9aa6 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1106,10 +1106,12 @@ void bitmap_write_all(struct bitmap *bitmap) */ int i; + spin_lock_irq(&bitmap->lock); for (i = 0; i < bitmap->file_pages; i++) set_page_attr(bitmap, bitmap->filemap[i], BITMAP_PAGE_NEEDWRITE); bitmap->allclean = 0; + spin_unlock_irq(&bitmap->lock); } static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc) @@ -1147,12 +1149,12 @@ void bitmap_daemon_work(struct mddev *mddev) return; } if (time_before(jiffies, bitmap->daemon_lastrun - + bitmap->mddev->bitmap_info.daemon_sleep)) + + mddev->bitmap_info.daemon_sleep)) goto done; bitmap->daemon_lastrun = jiffies; if (bitmap->allclean) { - bitmap->mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; + mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; goto done; } bitmap->allclean = 1; @@ -1204,7 +1206,7 @@ void bitmap_daemon_work(struct mddev *mddev) * sure that events_cleared is up-to-date. */ if (bitmap->need_sync && - bitmap->mddev->bitmap_info.external == 0) { + mddev->bitmap_info.external == 0) { bitmap_super_t *sb; bitmap->need_sync = 0; sb = kmap_atomic(bitmap->sb_page, KM_USER0); @@ -1268,8 +1270,8 @@ void bitmap_daemon_work(struct mddev *mddev) done: if (bitmap->allclean == 0) - bitmap->mddev->thread->timeout = - bitmap->mddev->bitmap_info.daemon_sleep; + mddev->thread->timeout = + mddev->bitmap_info.daemon_sleep; mutex_unlock(&mddev->bitmap_info.mutex); } @@ -1391,9 +1393,6 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto atomic_read(&bitmap->behind_writes), bitmap->mddev->bitmap_info.max_write_behind); } - if (bitmap->mddev->degraded) - /* Never clear bits or update events_cleared when degraded */ - success = 0; while (sectors) { sector_t blocks; @@ -1407,7 +1406,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto return; } - if (success && + if (success && !bitmap->mddev->degraded && bitmap->events_cleared < bitmap->mddev->events) { bitmap->events_cleared = bitmap->mddev->events; bitmap->need_sync = 1; @@ -1588,7 +1587,7 @@ static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int n } if (!*bmc) { struct page *page; - *bmc = 1 | (needed ? NEEDED_MASK : 0); + *bmc = 2 | (needed ? NEEDED_MASK : 0); bitmap_count_page(bitmap, offset, 1); page = filemap_get_page(bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)); set_page_attr(bitmap, page, BITMAP_PAGE_PENDING); @@ -1605,7 +1604,9 @@ void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e) for (chunk = s; chunk <= e; chunk++) { sector_t sec = (sector_t)chunk << CHUNK_BLOCK_SHIFT(bitmap); bitmap_set_memory_bits(bitmap, sec, 1); + spin_lock_irq(&bitmap->lock); bitmap_file_set_bit(bitmap, sec); + spin_unlock_irq(&bitmap->lock); if (sec < bitmap->mddev->recovery_cp) /* We are asserting that the array is dirty, * so move the recovery_cp address back so |