From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Fasheh Subject: [PATCH 1/8] btrfs: Don't BUG_ON errors from btrfs_create_subvol_root() Date: Thu, 18 Aug 2011 14:56:54 -0700 Message-ID: <1313704621-15219-2-git-send-email-mfasheh@suse.de> References: <1313704621-15219-1-git-send-email-mfasheh@suse.de> Cc: chris.mason@oracle.com, Mark Fasheh To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <1313704621-15219-1-git-send-email-mfasheh@suse.de> List-ID: From: Mark Fasheh This is called from only one place - create_subvol() which passes errors safely back out to it's caller, btrfs_mksubvol where they are handled. Additionally, btrfs_create_subvol_root() itself bug's needlessly from error return of btrfs_update_inode(). Since create_subvol() was fixed to catch errors we can bubble this one up too. Signed-off-by: Mark Fasheh --- fs/btrfs/inode.c | 3 +-- fs/btrfs/ioctl.c | 2 ++ 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 15fceef..7028c0c 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6722,10 +6722,9 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, btrfs_i_size_write(inode, 0); err = btrfs_update_inode(trans, new_root, inode); - BUG_ON(err); iput(inode); - return 0; + return err; } struct inode *btrfs_alloc_inode(struct super_block *sb) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7cf0133..b3440f5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -411,6 +411,8 @@ static noinline int create_subvol(struct btrfs_root *root, btrfs_record_root_in_trans(trans, new_root); ret = btrfs_create_subvol_root(trans, new_root, new_dirid); + if (ret) + goto fail; /* * insert the directory item */ -- 1.7.6