The 03/14/2021 12:14, Christoph Hellwig wrote:
> On Fri, Mar 12, 2021 at 02:06:41PM -0500, Mike Snitzer wrote:
> > This is returning a frozen state that is immediately stale. I don't
> > think any code calling this is providing the guarantees you think it
> > does due to the racey nature of this
On Fri, Mar 12, 2021 at 02:06:41PM -0500, Mike Snitzer wrote:
> This is returning a frozen state that is immediately stale. I don't
> think any code calling this is providing the guarantees you think it
> does due to the racey nature of this state once the mutex is dropped.
The code only uses it
blk_mq_is_queue_frozen() allow to assert that the queue is frozen.
Signed-off-by: Sergei Shtepa
---
block/blk-mq.c | 13 +
include/linux/blk-mq.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index d4d7c1caa439..2f188a865024 100644
On Fri, Mar 12 2021 at 10:44am -0500,
Sergei Shtepa wrote:
> blk_mq_is_queue_frozen() allow to assert that the queue is frozen.
>
> Signed-off-by: Sergei Shtepa
> ---
> block/blk-mq.c | 13 +
> include/linux/blk-mq.h | 1 +
> 2 files changed, 14 insertions(+)
>
> diff
