X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;ds=sidebyside;f=fs%2Fbtrfs%2Ffile.c;h=ade03e6f7bd2706bbaac3406f1bcc31cf70cb578;hb=9d2da7af909e1cf529f3cac582aaae05b107aa1e;hp=5b4ea5f55b8f47d0bf9a90992dd9da2d33880e14;hpb=9217cbb8df31c10efc96362227b2ebdbb9fe996c;p=~andy%2Flinux

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 5b4ea5f55b8..ade03e6f7bd 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2142,6 +2142,7 @@ static long btrfs_fallocate(struct file *file, int mode,
 {
 	struct inode *inode = file_inode(file);
 	struct extent_state *cached_state = NULL;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
 	u64 cur_offset;
 	u64 last_byte;
 	u64 alloc_start;
@@ -2169,6 +2170,11 @@ static long btrfs_fallocate(struct file *file, int mode,
 	ret = btrfs_check_data_free_space(inode, alloc_end - alloc_start);
 	if (ret)
 		return ret;
+	if (root->fs_info->quota_enabled) {
+		ret = btrfs_qgroup_reserve(root, alloc_end - alloc_start);
+		if (ret)
+			goto out_reserve_fail;
+	}
 
 	/*
 	 * wait for ordered IO before we have any locks.  We'll loop again
@@ -2272,6 +2278,9 @@ static long btrfs_fallocate(struct file *file, int mode,
 			     &cached_state, GFP_NOFS);
 out:
 	mutex_unlock(&inode->i_mutex);
+	if (root->fs_info->quota_enabled)
+		btrfs_qgroup_free(root, alloc_end - alloc_start);
+out_reserve_fail:
 	/* Let go of our reservation. */
 	btrfs_free_reserved_data_space(inode, alloc_end - alloc_start);
 	return ret;