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yaml
---
r: 332583
b: refs/heads/master
c: 8732d44
h: refs/heads/master
i:
  332581: e400332
  332579: 75b5ab3
  332575: 4f9474a
v: v3
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Miao Xie authored and Chris Mason committed Oct 9, 2012
1 parent ed2d196 commit 2c220fe
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Showing 2 changed files with 36 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: aa42ffd918c420d5625b25b7a0bc2bbde4c9f890
refs/heads/master: 8732d44f806a9da9a7ca4d1704b8a1ed81639bc4
57 changes: 35 additions & 22 deletions trunk/fs/btrfs/transaction.c
Original file line number Diff line number Diff line change
Expand Up @@ -1073,7 +1073,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
goto fail;
} else if (IS_ERR(dir_item)) {
ret = PTR_ERR(dir_item);
goto abort_trans;
btrfs_abort_transaction(trans, root, ret);
goto fail;
}
btrfs_release_path(path);

Expand All @@ -1084,8 +1085,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
* snapshot
*/
ret = btrfs_run_delayed_items(trans, root);
if (ret) /* Transaction aborted */
goto abort_trans;
if (ret) { /* Transaction aborted */
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

record_root_in_trans(trans, root);
btrfs_set_root_last_snapshot(&root->root_item, trans->transid);
Expand Down Expand Up @@ -1118,7 +1121,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
if (ret) {
btrfs_tree_unlock(old);
free_extent_buffer(old);
goto abort_trans;
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

btrfs_set_lock_blocking(old);
Expand All @@ -1127,8 +1131,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
/* clean up in any case */
btrfs_tree_unlock(old);
free_extent_buffer(old);
if (ret)
goto abort_trans;
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

/* see comments in should_cow_block() */
root->force_cow = 1;
Expand All @@ -1140,8 +1146,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
ret = btrfs_insert_root(trans, tree_root, &key, new_root_item);
btrfs_tree_unlock(tmp);
free_extent_buffer(tmp);
if (ret)
goto abort_trans;
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

/*
* insert root back/forward references
Expand All @@ -1150,39 +1158,48 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
parent_root->root_key.objectid,
btrfs_ino(parent_inode), index,
dentry->d_name.name, dentry->d_name.len);
if (ret)
goto abort_trans;
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

key.offset = (u64)-1;
pending->snap = btrfs_read_fs_root_no_name(root->fs_info, &key);
if (IS_ERR(pending->snap)) {
ret = PTR_ERR(pending->snap);
goto abort_trans;
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

ret = btrfs_reloc_post_snapshot(trans, pending);
if (ret)
goto abort_trans;
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
if (ret)
goto abort_trans;
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

ret = btrfs_insert_dir_item(trans, parent_root,
dentry->d_name.name, dentry->d_name.len,
parent_inode, &key,
BTRFS_FT_DIR, index);
/* We have check then name at the beginning, so it is impossible. */
BUG_ON(ret == -EEXIST);
if (ret)
goto abort_trans;
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

btrfs_i_size_write(parent_inode, parent_inode->i_size +
dentry->d_name.len * 2);
parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, parent_root, parent_inode);
if (ret)
goto abort_trans;
btrfs_abort_transaction(trans, root, ret);
fail:
dput(parent);
trans->block_rsv = rsv;
Expand All @@ -1193,10 +1210,6 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
path_alloc_fail:
btrfs_block_rsv_release(root, &pending->block_rsv, (u64)-1);
return ret;

abort_trans:
btrfs_abort_transaction(trans, root, ret);
goto fail;
}

/*
Expand Down

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