From 4b5829a8e3104c8bc115d926a0285d3ff9bcfc77 Mon Sep 17 00:00:00 2001 From: Miao Xie Date: Wed, 5 Dec 2012 10:53:25 +0000 Subject: Btrfs: fix missing reserved space release in error path of delalloc reservation We forget to release the reserved space in the error path of delalloc reservatiom, fix it. Signed-off-by: Miao Xie Signed-off-by: Chris Mason --- fs/btrfs/extent-tree.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 98af8379895a..e15280989188 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4559,6 +4559,9 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) ret = btrfs_qgroup_reserve(root, num_bytes + nr_extents * root->leafsize); if (ret) { + spin_lock(&BTRFS_I(inode)->lock); + calc_csum_metadata_size(inode, num_bytes, 0); + spin_unlock(&BTRFS_I(inode)->lock); mutex_unlock(&BTRFS_I(inode)->delalloc_mutex); return ret; } @@ -4594,6 +4597,10 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) btrfs_ino(inode), to_free, 0); } + if (root->fs_info->quota_enabled) { + btrfs_qgroup_free(root, num_bytes + + nr_extents * root->leafsize); + } mutex_unlock(&BTRFS_I(inode)->delalloc_mutex); return ret; } -- cgit v1.2.3