lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

btrfs: fix return value check of btrfs_start_transaction()

Browse Source 
The error check of btrfs_start_transaction() is added, and the mistake
of the error check on several places is corrected.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Tsutomu Itoh
2011-01-20 06:19:37 +00:00
committed by Chris Mason
parent 5df6708348
commit 98d5dc13e7
7 changed files with 37 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
fs/btrfs/volumes.c
View File

@@ -1212,6 +1212,10 @@ static int btrfs_rm_dev_item(struct btrfs_root *root,
return -ENOMEM;
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
btrfs_free_path(path);
return PTR_ERR(trans);
}
key.objectid = BTRFS_DEV_ITEMS_OBJECTID;
key.type = BTRFS_DEV_ITEM_KEY;
key.offset = device->devid;
@@ -1604,6 +1608,12 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
}
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
kfree(device);
ret = PTR_ERR(trans);
goto error;
}
lock_chunks(root);
device->barriers = 1;
@@ -1872,7 +1882,7 @@ static int btrfs_relocate_chunk(struct btrfs_root *root,
return ret;
trans = btrfs_start_transaction(root, 0);
BUG_ON(!trans);
BUG_ON(IS_ERR(trans));
lock_chunks(root);
@@ -2046,7 +2056,7 @@ int btrfs_balance(struct btrfs_root *dev_root)
BUG_ON(ret);
trans = btrfs_start_transaction(dev_root, 0);
BUG_ON(!trans);
BUG_ON(IS_ERR(trans));
ret = btrfs_grow_device(trans, device, old_size);
BUG_ON(ret);
@@ -2212,6 +2222,11 @@ again:
/* Shrinking succeeded, else we would be at "done". */
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
goto done;
}
lock_chunks(root);
device->disk_total_bytes = new_size;