Makes btrfs_ioctl_setflags return -ENOSPC and other errors when
necessary.
Signed-off-by: Sean Bartell <wingedtachikoma@gmail.com>
---
I ran chattr -R on a full FS and btrfs crashed. This overlaps with the patch
series being worked on by Jeff Mahoney.
fs/btrfs/ioctl.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4dbaf89..8db62c2 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -200,19 +200,26 @@ static int btrfs_ioctl_setflags(struct file *file, void
__user *arg)
trans = btrfs_join_transaction(root, 1);
- BUG_ON(!trans);
+ if (IS_ERR(trans)) {
+ ret = PTR_ERR(trans);
+ goto out_drop_write;
+ }
ret = btrfs_update_inode(trans, root, inode);
- BUG_ON(ret);
+ if (ret)
+ goto out_endtrans;
btrfs_update_iflags(inode);
inode->i_ctime = CURRENT_TIME;
- btrfs_end_transaction(trans, root);
+ ret = 0;
+out_endtrans:
+ btrfs_end_transaction(trans, root);
+out_drop_write:
mnt_drop_write(file->f_path.mnt);
- out_unlock:
+out_unlock:
mutex_unlock(&inode->i_mutex);
- return 0;
+ return ret;
}
static int btrfs_ioctl_getversion(struct file *file, int __user *arg)
--
1.7.1
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