diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 991ff26fb8c6..1b1b9e8197d6 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1341,17 +1341,8 @@ struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root, static int btrfs_init_fs_root(struct btrfs_root *root, dev_t anon_dev) { int ret; - unsigned int nofs_flag; - /* - * We might be called under a transaction (e.g. indirect backref - * resolution) which could deadlock if it triggers memory reclaim - */ - nofs_flag = memalloc_nofs_save(); - ret = btrfs_drew_lock_init(&root->snapshot_lock); - memalloc_nofs_restore(nofs_flag); - if (ret) - goto fail; + btrfs_drew_lock_init(&root->snapshot_lock); if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID && !btrfs_is_data_reloc_root(root)) { @@ -2065,7 +2056,6 @@ void btrfs_put_root(struct btrfs_root *root) WARN_ON(test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state)); if (root->anon_dev) free_anon_bdev(root->anon_dev); - btrfs_drew_lock_destroy(&root->snapshot_lock); free_root_extent_buffers(root); #ifdef CONFIG_BTRFS_DEBUG spin_lock(&root->fs_info->fs_roots_radix_lock); |