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authorYan, Zheng <zheng.yan@oracle.com>2010-05-16 10:48:46 -0400
committerChris Mason <chris.mason@oracle.com>2010-05-25 10:34:50 -0400
commita22285a6a32390195235171b89d157ed1a1fe932 (patch)
tree3fabc88a029e1af4f2fdcc708e7b62ef3cf3703a /fs/btrfs/xattr.c
parentf0486c68e4bd9a06a5904d3eeb3a0d73a83befb8 (diff)
downloadlinux-a22285a6a32390195235171b89d157ed1a1fe932.tar.bz2
Btrfs: Integrate metadata reservation with start_transaction
Besides simplify the code, this change makes sure all metadata reservation for normal metadata operations are released after committing transaction. Changes since V1: Add code that check if unlink and rmdir will free space. Add ENOSPC handling for clone ioctl. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/xattr.c')
-rw-r--r--fs/btrfs/xattr.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 193b58f7d3f3..007fae581a04 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -154,15 +154,10 @@ int __btrfs_setxattr(struct btrfs_trans_handle *trans,
if (trans)
return do_setxattr(trans, inode, name, value, size, flags);
- ret = btrfs_reserve_metadata_space(root, 2);
- if (ret)
- return ret;
+ trans = btrfs_start_transaction(root, 2);
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
- trans = btrfs_start_transaction(root, 1);
- if (!trans) {
- ret = -ENOMEM;
- goto out;
- }
btrfs_set_trans_block_group(trans, inode);
ret = do_setxattr(trans, inode, name, value, size, flags);
@@ -174,7 +169,6 @@ int __btrfs_setxattr(struct btrfs_trans_handle *trans,
BUG_ON(ret);
out:
btrfs_end_transaction_throttle(trans, root);
- btrfs_unreserve_metadata_space(root, 2);
return ret;
}