diff options
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 6e0e4396d3a4..80857b4646c0 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1715,12 +1715,12 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) } while (read_seqretry(&root->fs_info->profiles_lock, seq)); num_devices = root->fs_info->fs_devices->num_devices; - btrfs_dev_replace_lock(&root->fs_info->dev_replace); + btrfs_dev_replace_lock(&root->fs_info->dev_replace, 0); if (btrfs_dev_replace_is_ongoing(&root->fs_info->dev_replace)) { WARN_ON(num_devices < 1); num_devices--; } - btrfs_dev_replace_unlock(&root->fs_info->dev_replace); + btrfs_dev_replace_unlock(&root->fs_info->dev_replace, 0); if ((all_avail & BTRFS_BLOCK_GROUP_RAID10) && num_devices <= 4) { ret = BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET; @@ -3687,12 +3687,12 @@ int btrfs_balance(struct btrfs_balance_control *bctl, } num_devices = fs_info->fs_devices->num_devices; - btrfs_dev_replace_lock(&fs_info->dev_replace); + btrfs_dev_replace_lock(&fs_info->dev_replace, 0); if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace)) { BUG_ON(num_devices < 1); num_devices--; } - btrfs_dev_replace_unlock(&fs_info->dev_replace); + btrfs_dev_replace_unlock(&fs_info->dev_replace, 0); allowed = BTRFS_AVAIL_ALLOC_BIT_SINGLE; if (num_devices == 1) allowed |= BTRFS_BLOCK_GROUP_DUP; @@ -5063,10 +5063,10 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) ret = 1; free_extent_map(em); - btrfs_dev_replace_lock(&fs_info->dev_replace); + btrfs_dev_replace_lock(&fs_info->dev_replace, 0); if (btrfs_dev_replace_is_ongoing(&fs_info->dev_replace)) ret++; - btrfs_dev_replace_unlock(&fs_info->dev_replace); + btrfs_dev_replace_unlock(&fs_info->dev_replace, 0); return ret; } @@ -5326,10 +5326,12 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, if (!bbio_ret) goto out; - btrfs_dev_replace_lock(dev_replace); + btrfs_dev_replace_lock(dev_replace, 0); dev_replace_is_ongoing = btrfs_dev_replace_is_ongoing(dev_replace); if (!dev_replace_is_ongoing) - btrfs_dev_replace_unlock(dev_replace); + btrfs_dev_replace_unlock(dev_replace, 0); + else + btrfs_dev_replace_set_lock_blocking(dev_replace); if (dev_replace_is_ongoing && mirror_num == map->num_stripes + 1 && !(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) && @@ -5752,8 +5754,10 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, bbio->mirror_num = map->num_stripes + 1; } out: - if (dev_replace_is_ongoing) - btrfs_dev_replace_unlock(dev_replace); + if (dev_replace_is_ongoing) { + btrfs_dev_replace_clear_lock_blocking(dev_replace); + btrfs_dev_replace_unlock(dev_replace, 0); + } free_extent_map(em); return ret; } |