Hi Dave,
On Thu, Jul 12, 2012 at 07:40:42AM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> The current cursor is reallocated when retrying the allocation, so
> the existing cursor needs to be destroyed in both the restart and
> the failure cases.
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> Tested-by: Mike Snitzer <snitzer@xxxxxxxxxx>
> ---
> fs/xfs/xfs_alloc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
> index 9d1aeb7..f654f51 100644
> --- a/fs/xfs/xfs_alloc.c
> +++ b/fs/xfs/xfs_alloc.c
> @@ -1074,13 +1074,13 @@ restart:
> * If we couldn't get anything, give up.
> */
> if (bno_cur_lt == NULL && bno_cur_gt == NULL) {
> + xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
> +
I'd suggest setting cnt_cur = NULL here, but it is very clearly overwritten
right away in the case of goto restart. No need.
This looks good to me. I'll pull this in today.
Reviewed-by: Ben Myers <bpm@xxxxxxx>
Regards,
Ben
> if (!forced++) {
> trace_xfs_alloc_near_busy(args);
> xfs_log_force(args->mp, XFS_LOG_SYNC);
> goto restart;
> }
> -
> - xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
> trace_xfs_alloc_size_neither(args);
> args->agbno = NULLAGBLOCK;
> return 0;
> --
> 1.7.10
>
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