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Btrfs: return error to caller when btrfs_unlink() failes 

When btrfs_unlink_inode() and btrfs_orphan_add() in btrfs_unlink()
are error, the error code is returned to the caller instead of
BUG_ON().

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
wifi-calibration
Tsutomu Itoh 2011-07-19 07:27:20 +00:00 committed by Chris Mason
parent a0f98dde11
commit b532402e4d
2 changed files with 9 additions and 4 deletions
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3
fs/btrfs/extent-tree.c
View File

@ -7201,7 +7201,8 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
inode = lookup_free_space_inode(root, block_group, path);
if (!IS_ERR(inode)) {
btrfs_orphan_add(trans, inode);
ret = btrfs_orphan_add(trans, inode);
BUG_ON(ret);
clear_nlink(inode);
/* One for the block groups ref */
spin_lock(&block_group->lock);

10
fs/btrfs/inode.c
View File

@ -2217,7 +2217,8 @@ int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode)
if (!root->orphan_block_rsv) {
block_rsv = btrfs_alloc_block_rsv(root);
BUG_ON(!block_rsv);
if (!block_rsv)
return -ENOMEM;
}
spin_lock(&root->orphan_lock);
@ -3002,13 +3003,16 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
ret = btrfs_unlink_inode(trans, root, dir, dentry->d_inode,
dentry->d_name.name, dentry->d_name.len);
BUG_ON(ret);
if (ret)
goto out;
if (inode->i_nlink == 0) {
ret = btrfs_orphan_add(trans, inode);
BUG_ON(ret);
if (ret)
goto out;
}
out:
nr = trans->blocks_used;
__unlink_end_trans(trans, root);
btrfs_btree_balance_dirty(root, nr);