diff options
Diffstat (limited to 'drivers/md/md-bitmap.c')
| -rw-r--r-- | drivers/md/md-bitmap.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index ee67da4464..08232d8dc8 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -227,6 +227,8 @@ static int __write_sb_page(struct md_rdev *rdev, struct bitmap *bitmap, struct block_device *bdev; struct mddev *mddev = bitmap->mddev; struct bitmap_storage *store = &bitmap->storage; + unsigned int bitmap_limit = (bitmap->storage.file_pages - pg_index) << + PAGE_SHIFT; loff_t sboff, offset = mddev->bitmap_info.offset; sector_t ps = pg_index * PAGE_SIZE / SECTOR_SIZE; unsigned int size = PAGE_SIZE; @@ -269,11 +271,9 @@ static int __write_sb_page(struct md_rdev *rdev, struct bitmap *bitmap, if (size == 0) /* bitmap runs in to data */ return -EINVAL; - } else { - /* DATA METADATA BITMAP - no problems */ } - md_super_write(mddev, rdev, sboff + ps, (int) size, page); + md_super_write(mddev, rdev, sboff + ps, (int)min(size, bitmap_limit), page); return 0; } @@ -1046,9 +1046,8 @@ void md_bitmap_unplug(struct bitmap *bitmap) if (dirty || need_write) { if (!writing) { md_bitmap_wait_writes(bitmap); - if (bitmap->mddev->queue) - blk_add_trace_msg(bitmap->mddev->queue, - "md bitmap_unplug"); + mddev_add_trace_msg(bitmap->mddev, + "md bitmap_unplug"); } clear_page_attr(bitmap, i, BITMAP_PAGE_PENDING); filemap_write_page(bitmap, i, false); @@ -1319,9 +1318,7 @@ void md_bitmap_daemon_work(struct mddev *mddev) } bitmap->allclean = 1; - if (bitmap->mddev->queue) - blk_add_trace_msg(bitmap->mddev->queue, - "md bitmap_daemon_work"); + mddev_add_trace_msg(bitmap->mddev, "md bitmap_daemon_work"); /* Any file-page which is PENDING now needs to be written. * So set NEEDWRITE now, then after we make any last-minute changes |