diff options
Diffstat (limited to 'fs/btrfs/reada.c')
| -rw-r--r-- | fs/btrfs/reada.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index ab852b8e3e37..40f1bcef394d 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2011 STRATO. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License v2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. */ #include <linux/sched.h> @@ -395,20 +382,20 @@ static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info, goto error; /* insert extent in reada_tree + all per-device trees, all or nothing */ - btrfs_dev_replace_lock(&fs_info->dev_replace, 0); + btrfs_dev_replace_read_lock(&fs_info->dev_replace); spin_lock(&fs_info->reada_lock); ret = radix_tree_insert(&fs_info->reada_tree, index, re); if (ret == -EEXIST) { re_exist = radix_tree_lookup(&fs_info->reada_tree, index); re_exist->refcnt++; spin_unlock(&fs_info->reada_lock); - btrfs_dev_replace_unlock(&fs_info->dev_replace, 0); + btrfs_dev_replace_read_unlock(&fs_info->dev_replace); radix_tree_preload_end(); goto error; } if (ret) { spin_unlock(&fs_info->reada_lock); - btrfs_dev_replace_unlock(&fs_info->dev_replace, 0); + btrfs_dev_replace_read_unlock(&fs_info->dev_replace); radix_tree_preload_end(); goto error; } @@ -451,13 +438,13 @@ static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info, } radix_tree_delete(&fs_info->reada_tree, index); spin_unlock(&fs_info->reada_lock); - btrfs_dev_replace_unlock(&fs_info->dev_replace, 0); + btrfs_dev_replace_read_unlock(&fs_info->dev_replace); goto error; } have_zone = 1; } spin_unlock(&fs_info->reada_lock); - btrfs_dev_replace_unlock(&fs_info->dev_replace, 0); + btrfs_dev_replace_read_unlock(&fs_info->dev_replace); if (!have_zone) goto error; |