diff options
Diffstat (limited to 'fs/xfs/xfs_buf.c')
| -rw-r--r-- | fs/xfs/xfs_buf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 15d1e5a7c2d3..65110df78e13 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1938,6 +1938,8 @@ void xfs_free_buftarg( struct xfs_buftarg *btp) { + struct block_device *bdev = btp->bt_bdev; + unregister_shrinker(&btp->bt_shrinker); ASSERT(percpu_counter_sum(&btp->bt_io_count) == 0); percpu_counter_destroy(&btp->bt_io_count); @@ -1946,6 +1948,9 @@ xfs_free_buftarg( blkdev_issue_flush(btp->bt_bdev); invalidate_bdev(btp->bt_bdev); fs_put_dax(btp->bt_daxdev, btp->bt_mount); + /* the main block device is closed by kill_block_super */ + if (bdev != btp->bt_mount->m_super->s_bdev) + blkdev_put(bdev, btp->bt_mount); kmem_free(btp); } |