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authorDavid Sterba <dsterba@suse.cz>2014-04-15 16:42:03 +0200
committerChris Mason <clm@fb.com>2014-06-09 17:20:32 -0700
commit61155aa04ebcba6a33f2a281c46f351ca150d816 (patch)
treec45f6bdf7a5ee91e4936c4e6ebb3f2e7f3c1ac3f /fs
parent521e0546c970c3d845076f243828fa7abd71edfc (diff)
downloadlinux-61155aa04ebcba6a33f2a281c46f351ca150d816.tar.bz2
btrfs: assert that send is not in progres before root deletion
CC: Miao Xie <miaox@cn.fujitsu.com> CC: Wang Shilong <wangsl.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ioctl.c1
-rw-r--r--fs/btrfs/transaction.c13
2 files changed, 1 insertions, 13 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2db3fe12f50d..ebac486f59af 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2424,6 +2424,7 @@ out_unlock:
shrink_dcache_sb(root->fs_info->sb);
btrfs_invalidate_inodes(dest);
d_delete(dentry);
+ ASSERT(dest->send_in_progress == 0);
/* the last ref */
if (dest->cache_inode) {
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 7579f6d0b854..c30815e79235 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1984,19 +1984,6 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root)
}
root = list_first_entry(&fs_info->dead_roots,
struct btrfs_root, root_list);
- /*
- * Make sure root is not involved in send,
- * if we fail with first root, we return
- * directly rather than continue.
- */
- spin_lock(&root->root_item_lock);
- if (root->send_in_progress) {
- spin_unlock(&fs_info->trans_lock);
- spin_unlock(&root->root_item_lock);
- return 0;
- }
- spin_unlock(&root->root_item_lock);
-
list_del_init(&root->root_list);
spin_unlock(&fs_info->trans_lock);