Lukas Czerner
2012-Dec-07 10:09 UTC
[PATCH] btrfs: get the device in write mode when deleting it
When we''re deleting the device we should get it in write mode since we''re going to re-write the super block magic on that device. And it should fail if the device is read-only. Signed-off-by: Lukas Czerner <lczerner@redhat.com> --- fs/btrfs/volumes.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 95c6f7d..e3b9b36 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1384,7 +1384,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) goto out; } } else { - bdev = blkdev_get_by_path(device_path, FMODE_READ | FMODE_EXCL, + bdev = blkdev_get_by_path(device_path, FMODE_WRITE | FMODE_EXCL, root->fs_info->bdev_holder); if (IS_ERR(bdev)) { ret = PTR_ERR(bdev); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html