From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 29 Dec 2011 05:39:50 +0000 (+0800)
Subject: Btrfs: reserve metadata space in btrfs_ioctl_setflags()
X-Git-Tag: v2.6.39-400.9.0~648
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=25ac90098cd0c77c98e02b319c2f89645401d234;p=users%2Fjedix%2Flinux-maple.git

Btrfs: reserve metadata space in btrfs_ioctl_setflags()

Check and reserve space for btrfs_update_inode().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
(cherry picked from commit 4da6f1a332f6c16b6594c7892f13c31459b9b1c8)
---

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index a0fc2e0ef3c5..efbffef01078 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -254,7 +254,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 		ip->flags &= ~(BTRFS_INODE_COMPRESS | BTRFS_INODE_NOCOMPRESS);
 	}
 
-	trans = btrfs_join_transaction(root);
+	trans = btrfs_start_transaction(root, 1);
 	if (IS_ERR(trans)) {
 		ret = PTR_ERR(trans);
 		goto out_drop;