Re: [PATCH 1/9] staging: lustre: ldlm: remove 'first_enq' arg from ldlm_process_flock_lock()

From: Dilger, Andreas
Date: Fri Oct 27 2017 - 05:08:38 EST


On Oct 22, 2017, at 18:53, NeilBrown <neilb@xxxxxxxx> wrote:
>
> it is only ever set to '1', so we can just assume that and remove the code.
>
> Signed-off-by: NeilBrown <neilb@xxxxxxxx>

Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx>

> ---
> drivers/staging/lustre/lustre/ldlm/ldlm_flock.c | 15 ++-------------
> 1 file changed, 2 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
> index cb826e9e840e..f719dc05e1ea 100644
> --- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
> +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
> @@ -121,15 +121,9 @@ ldlm_flock_destroy(struct ldlm_lock *lock, enum ldlm_mode mode, __u64 flags)
> * It is also responsible for splitting a lock if a portion of the lock
> * is released.
> *
> - * If \a first_enq is 0 (ie, called from ldlm_reprocess_queue):
> - * - blocking ASTs have already been sent
> - *
> - * If \a first_enq is 1 (ie, called from ldlm_lock_enqueue):
> - * - blocking ASTs have not been sent yet, so list of conflicting locks
> - * would be collected and ASTs sent.
> */
> static int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags,
> - int first_enq, enum ldlm_error *err,
> + enum ldlm_error *err,
> struct list_head *work_list)
> {
> struct ldlm_resource *res = req->l_resource;
> @@ -197,11 +191,6 @@ static int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags,
> if (!ldlm_flocks_overlap(lock, req))
> continue;
>
> - if (!first_enq) {
> - reprocess_failed = 1;
> - continue;
> - }
> -
> if (*flags & LDLM_FL_BLOCK_NOWAIT) {
> ldlm_flock_destroy(req, mode, *flags);
> *err = -EAGAIN;
> @@ -605,7 +594,7 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data)
> /* We need to reprocess the lock to do merges or splits
> * with existing locks owned by this process.
> */
> - ldlm_process_flock_lock(lock, &noreproc, 1, &err, NULL);
> + ldlm_process_flock_lock(lock, &noreproc, &err, NULL);
> }
> unlock_res_and_lock(lock);
> return rc;
>
>

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation