diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 7869c0157a1..457daf725d2 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -324,13 +324,29 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset, return 0; } -int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, +int __btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, int mirror_num) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_trans_handle *trans; int ret = 0; + mutex_lock(&root->fs_info->fs_mutex); + trans = btrfs_start_transaction(root, 1); + btrfs_set_trans_block_group(trans, inode); + btrfs_csum_file_blocks(trans, root, inode, bio); + ret = btrfs_end_transaction(trans, root); + BUG_ON(ret); + mutex_unlock(&root->fs_info->fs_mutex); + return btrfs_map_bio(root, rw, bio, mirror_num); +} + +int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, + int mirror_num) +{ + struct btrfs_root *root = BTRFS_I(inode)->root; + int ret = 0; + if (!(rw & (1 << BIO_RW))) { ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0); BUG_ON(ret); @@ -342,13 +358,9 @@ int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, goto mapit; } - mutex_lock(&root->fs_info->fs_mutex); - trans = btrfs_start_transaction(root, 1); - btrfs_set_trans_block_group(trans, inode); - btrfs_csum_file_blocks(trans, root, inode, bio); - ret = btrfs_end_transaction(trans, root); - BUG_ON(ret); - mutex_unlock(&root->fs_info->fs_mutex); + return btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info, + inode, rw, bio, mirror_num, + __btrfs_submit_bio_hook); mapit: return btrfs_map_bio(root, rw, bio, mirror_num); } |