From: chandan <chandan@linux.vnet.ibm.com>
To: linux-btrfs@vger.kernel.org
Cc: dsterba@suse.cz, chandra.seetharaman@us.ibm.com,
alexander.karbstein@gmail.com
Subject: [PATCH] Btrfs: btrfs_ioctl_default_subvol: Revert back to toplevel subvolume when arg is 0
Date: Fri, 13 Sep 2013 19:34:10 +0530 [thread overview]
Message-ID: <3458610.yWSLv9Ftnr@localhost.localdomain> (raw)
This patch makes it possible to set BTRFS_FS_TREE_OBJECTID as the default
subvolume by passing a subvolume id of 0.
Signed-off-by: chandan <chandan@linux.vnet.ibm.com>
---
fs/btrfs/ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 1a5b946..a059c3c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3310,7 +3310,7 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
}
if (!objectid)
- objectid = root->root_key.objectid;
+ objectid = BTRFS_FS_TREE_OBJECTID;
location.objectid = objectid;
location.type = BTRFS_ROOT_ITEM_KEY;
--
1.8.3.1
next reply other threads:[~2013-09-13 14:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-13 14:04 chandan [this message]
2013-09-13 14:29 ` [PATCH] Btrfs: btrfs_ioctl_default_subvol: Revert back to toplevel subvolume when arg is 0 David Sterba
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