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| author | David S. Miller <davem@davemloft.net> | 2017-04-21 20:23:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-21 20:23:53 -0700 |
| commit | fb796707d7a6c9b24fdf80b9b4f24fa5ffcf0ec5 (patch) | |
| tree | b8c12edf3f510170cece6e9cf5337094af3095f2 /block/elevator.c | |
| parent | 1f4407e2548827e3e6e7b943640a2da90c611306 (diff) | |
| parent | 94836ecf1e7378b64d37624fbb81fe48fbd4c772 (diff) | |
| download | linux-fb796707d7a6c9b24fdf80b9b4f24fa5ffcf0ec5.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Both conflict were simple overlapping changes.
In the kaweth case, Eric Dumazet's skb_cow() bug fix overlapped the
conversion of the driver in net-next to use in-netdev stats.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/block/elevator.c b/block/elevator.c index dbeecf7be719..4d9084a14c10 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -1098,12 +1098,20 @@ int elevator_change(struct request_queue *q, const char *name) } EXPORT_SYMBOL(elevator_change); +static inline bool elv_support_iosched(struct request_queue *q) +{ + if (q->mq_ops && q->tag_set && (q->tag_set->flags & + BLK_MQ_F_NO_SCHED)) + return false; + return true; +} + ssize_t elv_iosched_store(struct request_queue *q, const char *name, size_t count) { int ret; - if (!(q->mq_ops || q->request_fn)) + if (!(q->mq_ops || q->request_fn) || !elv_support_iosched(q)) return count; ret = __elevator_change(q, name); @@ -1135,7 +1143,7 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name) len += sprintf(name+len, "[%s] ", elv->elevator_name); continue; } - if (__e->uses_mq && q->mq_ops) + if (__e->uses_mq && q->mq_ops && elv_support_iosched(q)) len += sprintf(name+len, "%s ", __e->elevator_name); else if (!__e->uses_mq && !q->mq_ops) len += sprintf(name+len, "%s ", __e->elevator_name); |