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SubjectRe: kernel BUG at fs/btrfs/delayed-inode.c:1466!
On Thu, Mar 08, 2012 at 01:10:45PM +0100, Jacek Luczak wrote:
> kernel BUG at fs/btrfs/delayed-inode.c:1466!

1461 ret = btrfs_delayed_item_reserve_metadata(trans, root, item);
1462 /*
1463 * we have reserved enough space when we start a new transaction,
1464 * so reserving metadata failure is impossible.
1465 */
1466 BUG_ON(ret);
> RAX: 00000000ffffffe4

ENOSPC

> [<ffffffffa03210e5>] ? __btrfs_unlink_inode+0x172/0x25e [btrfs]
> [<ffffffffa032158c>] ? btrfs_rename+0x38b/0x55b [btrfs]

rename reserves 20 blocks, but seems that's not enough. I've never seen
a crash report in rename, and according to the stacktrace there's
nothing suspicious (like selinux related).


david


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