search for: blk_mq_put_tag

Displaying 5 results from an estimated 5 matches for "blk_mq_put_tag".

[PATCH] blk-mq: Avoid race condition with uninitialized requests
2014 Sep 18
3
[PATCH] blk-mq: Avoid race condition with uninitialized requests
This patch should fix the bug reported in https://lkml.org/lkml/2014/9/11/249. Test is still pending. David Hildenbrand (1): blk-mq: Avoid race condition with uninitialized requests block/blk-mq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 1.8.5.5
[PATCH] blk-mq: Avoid race condition with uninitialized requests
2014 Sep 18
3
[PATCH] blk-mq: Avoid race condition with uninitialized requests
This patch should fix the bug reported in https://lkml.org/lkml/2014/9/11/249. Test is still pending. David Hildenbrand (1): blk-mq: Avoid race condition with uninitialized requests block/blk-mq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 1.8.5.5
[PATCH] blk-mq: Avoid race condition with uninitialized requests
2014 Sep 18
0
[PATCH] blk-mq: Avoid race condition with uninitialized requests
...tomic_inc(&data->hctx->nr_active); @@ -258,6 +257,7 @@ static void __blk_mq_free_request(struct blk_mq_hw_ctx *hctx, if (rq->cmd_flags & REQ_MQ_INFLIGHT) atomic_dec(&hctx->nr_active); + rq->cmd_flags = 0; clear_bit(REQ_ATOM_STARTED, &rq->atomic_flags); blk_mq_put_tag(hctx, tag, &ctx->last_tag); @@ -1404,6 +1404,8 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, left -= to_do * rq_size; for (j = 0; j < to_do; j++) { tags->rqs[i] = p; + tags->rqs[i]->atomic_flags = 0; + tags->rqs[i]->cmd_flags = 0...
[PATCH] blk-mq: Avoid race condition with uninitialized requests
2014 Sep 22
1
[PATCH] blk-mq: Avoid race condition with uninitialized requests
...tive); > @@ -258,6 +257,7 @@ static void __blk_mq_free_request(struct blk_mq_hw_ctx *hctx, > > if (rq->cmd_flags & REQ_MQ_INFLIGHT) > atomic_dec(&hctx->nr_active); > + rq->cmd_flags = 0; > > clear_bit(REQ_ATOM_STARTED, &rq->atomic_flags); > blk_mq_put_tag(hctx, tag, &ctx->last_tag); > @@ -1404,6 +1404,8 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, > left -= to_do * rq_size; > for (j = 0; j < to_do; j++) { > tags->rqs[i] = p; > + tags->rqs[i]->atomic_flags = 0; > + tag...
[PATCH] blk-mq: Avoid race condition with uninitialized requests
2014 Sep 22
1
[PATCH] blk-mq: Avoid race condition with uninitialized requests
...tive); > @@ -258,6 +257,7 @@ static void __blk_mq_free_request(struct blk_mq_hw_ctx *hctx, > > if (rq->cmd_flags & REQ_MQ_INFLIGHT) > atomic_dec(&hctx->nr_active); > + rq->cmd_flags = 0; > > clear_bit(REQ_ATOM_STARTED, &rq->atomic_flags); > blk_mq_put_tag(hctx, tag, &ctx->last_tag); > @@ -1404,6 +1404,8 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, > left -= to_do * rq_size; > for (j = 0; j < to_do; j++) { > tags->rqs[i] = p; > + tags->rqs[i]->atomic_flags = 0; > + tag...