[PATCH 28/29] xfs: support nowait semantics for xc_ctx_lock in xlog_cil_commit()

[Dave Chinner]

On Fri, Aug 25, 2023 at 09:54:30PM +0800, Hao Xu wrote:
> From: Hao Xu <howeyxu at tencent.com>
> 
> Apply trylock logic for xc_ctx_lock in xlog_cil_commit() in nowait
> case and error out -EAGAIN for xlog_cil_commit().

Again, fundamentally broken. Any error from xlog_cil_commit() will
result in a filesystem shutdown as we cannot back out from failure
with dirty log items gracefully at this point.

-Dave.

-- 
Dave Chinner
david at fromorbit.com