diff options
Diffstat (limited to 'block')
-rw-r--r-- | block/blk-cgroup.c | 13 | ||||
-rw-r--r-- | block/blk-cgroup.h | 22 | ||||
-rw-r--r-- | block/blk-core.c | 6 | ||||
-rw-r--r-- | block/blk-ioc.c | 2 | ||||
-rw-r--r-- | block/blk-iopoll.c | 3 | ||||
-rw-r--r-- | block/blk-map.c | 2 | ||||
-rw-r--r-- | block/blk-mq-cpumap.c | 10 | ||||
-rw-r--r-- | block/blk-mq-sysfs.c | 31 | ||||
-rw-r--r-- | block/blk-mq.c | 78 | ||||
-rw-r--r-- | block/blk-mq.h | 2 | ||||
-rw-r--r-- | block/blk-softirq.c | 14 | ||||
-rw-r--r-- | block/blk-throttle.c | 8 | ||||
-rw-r--r-- | block/blk.h | 2 | ||||
-rw-r--r-- | block/cfq-iosched.c | 15 | ||||
-rw-r--r-- | block/deadline-iosched.c | 8 | ||||
-rw-r--r-- | block/elevator.c | 2 | ||||
-rw-r--r-- | block/partitions/atari.h | 4 | ||||
-rw-r--r-- | block/partitions/efi.h | 9 | ||||
-rw-r--r-- | block/partitions/karma.c | 3 |
19 files changed, 153 insertions, 81 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 4e491d9b529..e4a4145926f 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -336,7 +336,7 @@ static void blkg_destroy(struct blkcg_gq *blkg) * under queue_lock. If it's not pointing to @blkg now, it never * will. Hint assignment itself can race safely. */ - if (rcu_dereference_raw(blkcg->blkg_hint) == blkg) + if (rcu_access_pointer(blkcg->blkg_hint) == blkg) rcu_assign_pointer(blkcg->blkg_hint, NULL); /* @@ -894,7 +894,7 @@ static int blkcg_can_attach(struct cgroup_subsys_state *css, int ret = 0; /* task_lock() is needed to avoid races with exit_io_context() */ - cgroup_taskset_for_each(task, css, tset) { + cgroup_taskset_for_each(task, tset) { task_lock(task); ioc = task->io_context; if (ioc && atomic_read(&ioc->nr_tasks) > 1) @@ -906,17 +906,14 @@ static int blkcg_can_attach(struct cgroup_subsys_state *css, return ret; } -struct cgroup_subsys blkio_subsys = { - .name = "blkio", +struct cgroup_subsys blkio_cgrp_subsys = { .css_alloc = blkcg_css_alloc, .css_offline = blkcg_css_offline, .css_free = blkcg_css_free, .can_attach = blkcg_can_attach, - .subsys_id = blkio_subsys_id, .base_cftypes = blkcg_files, - .module = THIS_MODULE, }; -EXPORT_SYMBOL_GPL(blkio_subsys); +EXPORT_SYMBOL_GPL(blkio_cgrp_subsys); /** * blkcg_activate_policy - activate a blkcg policy on a request_queue @@ -1106,7 +1103,7 @@ int blkcg_policy_register(struct blkcg_policy *pol) /* everything is in place, add intf files for the new policy */ if (pol->cftypes) - WARN_ON(cgroup_add_cftypes(&blkio_subsys, pol->cftypes)); + WARN_ON(cgroup_add_cftypes(&blkio_cgrp_subsys, pol->cftypes)); ret = 0; out_unlock: mutex_unlock(&blkcg_pol_mutex); diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 86154eab952..371fe8e92ab 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -186,7 +186,7 @@ static inline struct blkcg *css_to_blkcg(struct cgroup_subsys_state *css) static inline struct blkcg *task_blkcg(struct task_struct *tsk) { - return css_to_blkcg(task_css(tsk, blkio_subsys_id)); + return css_to_blkcg(task_css(tsk, blkio_cgrp_id)); } static inline struct blkcg *bio_blkcg(struct bio *bio) @@ -241,12 +241,16 @@ static inline struct blkcg_gq *pd_to_blkg(struct blkg_policy_data *pd) */ static inline int blkg_path(struct blkcg_gq *blkg, char *buf, int buflen) { - int ret; + char *p; - ret = cgroup_path(blkg->blkcg->css.cgroup, buf, buflen); - if (ret) + p = cgroup_path(blkg->blkcg->css.cgroup, buf, buflen); + if (!p) { strncpy(buf, "<unavailable>", buflen); - return ret; + return -ENAMETOOLONG; + } + + memmove(buf, p, buf + buflen - p); + return 0; } /** @@ -435,9 +439,9 @@ static inline uint64_t blkg_stat_read(struct blkg_stat *stat) uint64_t v; do { - start = u64_stats_fetch_begin_bh(&stat->syncp); + start = u64_stats_fetch_begin_irq(&stat->syncp); v = stat->cnt; - } while (u64_stats_fetch_retry_bh(&stat->syncp, start)); + } while (u64_stats_fetch_retry_irq(&stat->syncp, start)); return v; } @@ -508,9 +512,9 @@ static inline struct blkg_rwstat blkg_rwstat_read(struct blkg_rwstat *rwstat) struct blkg_rwstat tmp; do { - start = u64_stats_fetch_begin_bh(&rwstat->syncp); + start = u64_stats_fetch_begin_irq(&rwstat->syncp); tmp = *rwstat; - } while (u64_stats_fetch_retry_bh(&rwstat->syncp, start)); + } while (u64_stats_fetch_retry_irq(&rwstat->syncp, start)); return tmp; } diff --git a/block/blk-core.c b/block/blk-core.c index bfe16d5af9f..a0e3096c4bb 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1307,7 +1307,7 @@ void __blk_put_request(struct request_queue *q, struct request *req) struct request_list *rl = blk_rq_rl(req); BUG_ON(!list_empty(&req->queuelist)); - BUG_ON(!hlist_unhashed(&req->hash)); + BUG_ON(ELV_ON_HASH(req)); blk_free_request(rl, req); freed_request(rl, flags); @@ -1928,7 +1928,7 @@ EXPORT_SYMBOL(submit_bio); * in some cases below, so export this function. * Request stacking drivers like request-based dm may change the queue * limits while requests are in the queue (e.g. dm's table swapping). - * Such request stacking drivers should check those requests agaist + * Such request stacking drivers should check those requests against * the new queue limits again when they dispatch those requests, * although such checkings are also done against the old queue limits * when submitting requests. @@ -2353,7 +2353,7 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes) if (!req->bio) return false; - trace_block_rq_complete(req->q, req); + trace_block_rq_complete(req->q, req, nr_bytes); /* * For fs requests, rq is just carrier of independent bio's diff --git a/block/blk-ioc.c b/block/blk-ioc.c index 242df01413f..1a27f45ec77 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c @@ -68,7 +68,7 @@ static void ioc_destroy_icq(struct io_cq *icq) * under queue_lock. If it's not pointing to @icq now, it never * will. Hint assignment itself can race safely. */ - if (rcu_dereference_raw(ioc->icq_hint) == icq) + if (rcu_access_pointer(ioc->icq_hint) == icq) rcu_assign_pointer(ioc->icq_hint, NULL); ioc_exit_icq(icq); diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c index 1855bf51edb..c11d24e379e 100644 --- a/block/blk-iopoll.c +++ b/block/blk-iopoll.c @@ -14,9 +14,6 @@ #include "blk.h" -int blk_iopoll_enabled = 1; -EXPORT_SYMBOL(blk_iopoll_enabled); - static unsigned int blk_iopoll_budget __read_mostly = 256; static DEFINE_PER_CPU(struct list_head, blk_cpu_iopoll); diff --git a/block/blk-map.c b/block/blk-map.c index 86d93779c06..f7b22bc2151 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -285,7 +285,7 @@ EXPORT_SYMBOL(blk_rq_unmap_user); * * Description: * Data will be mapped directly if possible. Otherwise a bounce - * buffer is used. Can be called multple times to append multple + * buffer is used. Can be called multiple times to append multiple * buffers. */ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c index f8721278601..09792132961 100644 --- a/block/blk-mq-cpumap.c +++ b/block/blk-mq-cpumap.c @@ -9,15 +9,6 @@ #include "blk.h" #include "blk-mq.h" -static void show_map(unsigned int *map, unsigned int nr) -{ - int i; - - pr_info("blk-mq: CPU -> queue map\n"); - for_each_online_cpu(i) - pr_info(" CPU%2u -> Queue %u\n", i, map[i]); -} - static int cpu_to_queue_index(unsigned int nr_cpus, unsigned int nr_queues, const int cpu) { @@ -85,7 +76,6 @@ int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues) map[i] = map[first_sibling]; } - show_map(map, nr_cpus); free_cpumask_var(cpus); return 0; } diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c index b91ce75bd35..b0ba264b052 100644 --- a/block/blk-mq-sysfs.c +++ b/block/blk-mq-sysfs.c @@ -244,6 +244,32 @@ static ssize_t blk_mq_hw_sysfs_tags_show(struct blk_mq_hw_ctx *hctx, char *page) return blk_mq_tag_sysfs_show(hctx->tags, page); } +static ssize_t blk_mq_hw_sysfs_cpus_show(struct blk_mq_hw_ctx *hctx, char *page) +{ + unsigned int i, queue_num, first = 1; + ssize_t ret = 0; + + blk_mq_disable_hotplug(); + + for_each_online_cpu(i) { + queue_num = hctx->queue->mq_map[i]; + if (queue_num != hctx->queue_num) + continue; + + if (first) + ret += sprintf(ret + page, "%u", i); + else + ret += sprintf(ret + page, ", %u", i); + + first = 0; + } + + blk_mq_enable_hotplug(); + + ret += sprintf(ret + page, "\n"); + return ret; +} + static struct blk_mq_ctx_sysfs_entry blk_mq_sysfs_dispatched = { .attr = {.name = "dispatched", .mode = S_IRUGO }, .show = blk_mq_sysfs_dispatched_show, @@ -294,6 +320,10 @@ static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_tags = { .attr = {.name = "tags", .mode = S_IRUGO }, .show = blk_mq_hw_sysfs_tags_show, }; +static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_cpus = { + .attr = {.name = "cpu_list", .mode = S_IRUGO }, + .show = blk_mq_hw_sysfs_cpus_show, +}; static struct attribute *default_hw_ctx_attrs[] = { &blk_mq_hw_sysfs_queued.attr, @@ -302,6 +332,7 @@ static struct attribute *default_hw_ctx_attrs[] = { &blk_mq_hw_sysfs_pending.attr, &blk_mq_hw_sysfs_ipi.attr, &blk_mq_hw_sysfs_tags.attr, + &blk_mq_hw_sysfs_cpus.attr, NULL, }; diff --git a/block/blk-mq.c b/block/blk-mq.c index 883f7208901..1d2a9bdbee5 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -320,7 +320,7 @@ void __blk_mq_complete_request(struct request *rq) rq->csd.func = __blk_mq_complete_request_remote; rq->csd.info = rq; rq->csd.flags = 0; - __smp_call_function_single(ctx->cpu, &rq->csd, 0); + smp_call_function_single_async(ctx->cpu, &rq->csd); } else { rq->q->softirq_done_fn(rq); } @@ -514,7 +514,7 @@ static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx) LIST_HEAD(rq_list); int bit, queued; - if (unlikely(test_bit(BLK_MQ_S_STOPPED, &hctx->flags))) + if (unlikely(test_bit(BLK_MQ_S_STOPPED, &hctx->state))) return; hctx->run++; @@ -603,7 +603,7 @@ static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx) void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) { - if (unlikely(test_bit(BLK_MQ_S_STOPPED, &hctx->flags))) + if (unlikely(test_bit(BLK_MQ_S_STOPPED, &hctx->state))) return; if (!async) @@ -623,7 +623,7 @@ void blk_mq_run_queues(struct request_queue *q, bool async) queue_for_each_hw_ctx(q, hctx, i) { if ((!blk_mq_hctx_has_pending(hctx) && list_empty_careful(&hctx->dispatch)) || - test_bit(BLK_MQ_S_STOPPED, &hctx->flags)) + test_bit(BLK_MQ_S_STOPPED, &hctx->state)) continue; blk_mq_run_hw_queue(hctx, async); @@ -956,6 +956,7 @@ static void blk_mq_hctx_notify(void *data, unsigned long action, unsigned int cpu) { struct blk_mq_hw_ctx *hctx = data; + struct request_queue *q = hctx->queue; struct blk_mq_ctx *ctx; LIST_HEAD(tmp); @@ -965,7 +966,7 @@ static void blk_mq_hctx_notify(void *data, unsigned long action, /* * Move ctx entries to new CPU, if this one is going away. */ - ctx = __blk_mq_get_ctx(hctx->queue, cpu); + ctx = __blk_mq_get_ctx(q, cpu); spin_lock(&ctx->lock); if (!list_empty(&ctx->rq_list)) { @@ -977,7 +978,7 @@ static void blk_mq_hctx_notify(void *data, unsigned long action, if (list_empty(&tmp)) return; - ctx = blk_mq_get_ctx(hctx->queue); + ctx = blk_mq_get_ctx(q); spin_lock(&ctx->lock); while (!list_empty(&tmp)) { @@ -988,14 +989,55 @@ static void blk_mq_hctx_notify(void *data, unsigned long action, list_move_tail(&rq->queuelist, &ctx->rq_list); } + hctx = q->mq_ops->map_queue(q, ctx->cpu); blk_mq_hctx_mark_pending(hctx, ctx); spin_unlock(&ctx->lock); blk_mq_put_ctx(ctx); + + blk_mq_run_hw_queue(hctx, true); +} + +static int blk_mq_init_hw_commands(struct blk_mq_hw_ctx *hctx, + int (*init)(void *, struct blk_mq_hw_ctx *, + struct request *, unsigned int), + void *data) +{ + unsigned int i; + int ret = 0; + + for (i = 0; i < hctx->queue_depth; i++) { + struct request *rq = hctx->rqs[i]; + + ret = init(data, hctx, rq, i); + if (ret) + break; + } + + return ret; } -static void blk_mq_init_hw_commands(struct blk_mq_hw_ctx *hctx, - void (*init)(void *, struct blk_mq_hw_ctx *, +int blk_mq_init_commands(struct request_queue *q, + int (*init)(void *, struct blk_mq_hw_ctx *, + struct request *, unsigned int), + void *data) +{ + struct blk_mq_hw_ctx *hctx; + unsigned int i; + int ret = 0; + + queue_for_each_hw_ctx(q, hctx, i) { + ret = blk_mq_init_hw_commands(hctx, init, data); + if (ret) + break; + } + + return ret; +} +EXPORT_SYMBOL(blk_mq_init_commands); + +static void blk_mq_free_hw_commands(struct blk_mq_hw_ctx *hctx, + void (*free)(void *, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data) { @@ -1004,12 +1046,12 @@ static void blk_mq_init_hw_commands(struct blk_mq_hw_ctx *hctx, for (i = 0; i < hctx->queue_depth; i++) { struct request *rq = hctx->rqs[i]; - init(data, hctx, rq, i); + free(data, hctx, rq, i); } } -void blk_mq_init_commands(struct request_queue *q, - void (*init)(void *, struct blk_mq_hw_ctx *, +void blk_mq_free_commands(struct request_queue *q, + void (*free)(void *, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data) { @@ -1017,9 +1059,9 @@ void blk_mq_init_commands(struct request_queue *q, unsigned int i; queue_for_each_hw_ctx(q, hctx, i) - blk_mq_init_hw_commands(hctx, init, data); + blk_mq_free_hw_commands(hctx, free, data); } -EXPORT_SYMBOL(blk_mq_init_commands); +EXPORT_SYMBOL(blk_mq_free_commands); static void blk_mq_free_rq_map(struct blk_mq_hw_ctx *hctx) { @@ -1430,6 +1472,16 @@ static int blk_mq_queue_reinit_notify(struct notifier_block *nb, return NOTIFY_OK; } +void blk_mq_disable_hotplug(void) +{ + mutex_lock(&all_q_mutex); +} + +void blk_mq_enable_hotplug(void) +{ + mutex_unlock(&all_q_mutex); +} + static int __init blk_mq_init(void) { blk_mq_cpu_init(); diff --git a/block/blk-mq.h b/block/blk-mq.h index 72beba1f9d5..ebbe6bac9d6 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -39,6 +39,8 @@ void blk_mq_init_cpu_notifier(struct blk_mq_cpu_notifier *notifier, void blk_mq_register_cpu_notifier(struct blk_mq_cpu_notifier *notifier); void blk_mq_unregister_cpu_notifier(struct blk_mq_cpu_notifier *notifier); void blk_mq_cpu_init(void); +void blk_mq_enable_hotplug(void); +void blk_mq_disable_hotplug(void); /* * CPU -> queue mappings diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 57790c1a97e..53b1737e978 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -30,8 +30,8 @@ static void blk_done_softirq(struct softirq_action *h) while (!list_empty(&local_list)) { struct request *rq; - rq = list_entry(local_list.next, struct request, csd.list); - list_del_init(&rq->csd.list); + rq = list_entry(local_list.next, struct request, ipi_list); + list_del_init(&rq->ipi_list); rq->q->softirq_done_fn(rq); } } @@ -45,9 +45,9 @@ static void trigger_softirq(void *data) local_irq_save(flags); list = this_cpu_ptr(&blk_cpu_done); - list_add_tail(&rq->csd.list, list); + list_add_tail(&rq->ipi_list, list); - if (list->next == &rq->csd.list) + if (list->next == &rq->ipi_list) raise_softirq_irqoff(BLOCK_SOFTIRQ); local_irq_restore(flags); @@ -65,7 +65,7 @@ static int raise_blk_irq(int cpu, struct request *rq) data->info = rq; data->flags = 0; - __smp_call_function_single(cpu, data, 0); + smp_call_function_single_async(cpu, data); return 0; } @@ -136,7 +136,7 @@ void __blk_complete_request(struct request *req) struct list_head *list; do_local: list = this_cpu_ptr(&blk_cpu_done); - list_add_tail(&req->csd.list, list); + list_add_tail(&req->ipi_list, list); /* * if the list only contains our just added request, @@ -144,7 +144,7 @@ do_local: * entries there, someone already raised the irq but it * hasn't run yet. */ - if (list->next == &req->csd.list) + if (list->next == &req->ipi_list) raise_softirq_irqoff(BLOCK_SOFTIRQ); } else if (raise_blk_irq(ccpu, req)) goto do_local; diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 1474c3ab7e7..033745cd7fb 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -1408,13 +1408,13 @@ static int tg_set_conf(struct cgroup_subsys_state *css, struct cftype *cft, } static int tg_set_conf_u64(struct cgroup_subsys_state *css, struct cftype *cft, - const char *buf) + char *buf) { return tg_set_conf(css, cft, buf, true); } static int tg_set_conf_uint(struct cgroup_subsys_state *css, struct cftype *cft, - const char *buf) + char *buf) { return tg_set_conf(css, cft, buf, false); } @@ -1425,28 +1425,24 @@ static struct cftype throtl_files[] = { .private = offsetof(struct throtl_grp, bps[READ]), .seq_show = tg_print_conf_u64, .write_string = tg_set_conf_u64, - .max_write_len = 256, }, { .name = "throttle.write_bps_device", .private = offsetof(struct throtl_grp, bps[WRITE]), .seq_show = tg_print_conf_u64, .write_string = tg_set_conf_u64, - .max_write_len = 256, }, { .name = "throttle.read_iops_device", .private = offsetof(struct throtl_grp, iops[READ]), .seq_show = tg_print_conf_uint, .write_string = tg_set_conf_uint, - .max_write_len = 256, }, { .name = "throttle.write_iops_device", .private = offsetof(struct throtl_grp, iops[WRITE]), .seq_show = tg_print_conf_uint, .write_string = tg_set_conf_uint, - .max_write_len = 256, }, { .name = "throttle.io_service_bytes", diff --git a/block/blk.h b/block/blk.h index d23b415b8a2..1d880f1f957 100644 --- a/block/blk.h +++ b/block/blk.h @@ -78,7 +78,7 @@ static inline void blk_clear_rq_complete(struct request *rq) /* * Internal elevator interface */ -#define ELV_ON_HASH(rq) hash_hashed(&(rq)->hash) +#define ELV_ON_HASH(rq) ((rq)->cmd_flags & REQ_HASHED) void blk_insert_flush(struct request *rq); void blk_abort_flushes(struct request_queue *q); diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 744833b630c..e0985f1955e 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1701,13 +1701,13 @@ static int __cfqg_set_weight_device(struct cgroup_subsys_state *css, } static int cfqg_set_weight_device(struct cgroup_subsys_state *css, - struct cftype *cft, const char *buf) + struct cftype *cft, char *buf) { return __cfqg_set_weight_device(css, cft, buf, false); } static int cfqg_set_leaf_weight_device(struct cgroup_subsys_state *css, - struct cftype *cft, const char *buf) + struct cftype *cft, char *buf) { return __cfqg_set_weight_device(css, cft, buf, true); } @@ -1838,7 +1838,6 @@ static struct cftype cfq_blkcg_files[] = { .flags = CFTYPE_ONLY_ON_ROOT, .seq_show = cfqg_print_leaf_weight_device, .write_string = cfqg_set_leaf_weight_device, - .max_write_len = 256, }, { .name = "weight", @@ -1853,7 +1852,6 @@ static struct cftype cfq_blkcg_files[] = { .flags = CFTYPE_NOT_ON_ROOT, .seq_show = cfqg_print_weight_device, .write_string = cfqg_set_weight_device, - .max_write_len = 256, }, { .name = "weight", @@ -1866,7 +1864,6 @@ static struct cftype cfq_blkcg_files[] = { .name = "leaf_weight_device", .seq_show = cfqg_print_leaf_weight_device, .write_string = cfqg_set_leaf_weight_device, - .max_write_len = 256, }, { .name = "leaf_weight", @@ -2367,10 +2364,10 @@ cfq_merged_requests(struct request_queue *q, struct request *rq, * reposition in fifo if next is older than rq */ if (!list_empty(&rq->queuelist) && !list_empty(&next->queuelist) && - time_before(rq_fifo_time(next), rq_fifo_time(rq)) && + time_before(next->fifo_time, rq->fifo_time) && cfqq == RQ_CFQQ(next)) { list_move(&rq->queuelist, &next->queuelist); - rq_set_fifo_time(rq, rq_fifo_time(next)); + rq->fifo_time = next->fifo_time; } if (cfqq->next_rq == next) @@ -2814,7 +2811,7 @@ static struct request *cfq_check_fifo(struct cfq_queue *cfqq) return NULL; rq = rq_entry_fifo(cfqq->fifo.next); - if (time_before(jiffies, rq_fifo_time(rq))) + if (time_before(jiffies, rq->fifo_time)) rq = NULL; cfq_log_cfqq(cfqq->cfqd, cfqq, "fifo=%p", rq); @@ -3927,7 +3924,7 @@ static void cfq_insert_request(struct request_queue *q, struct request *rq) cfq_log_cfqq(cfqd, cfqq, "insert_request"); cfq_init_prio_data(cfqq, RQ_CIC(rq)); - rq_set_fifo_time(rq, jiffies + cfqd->cfq_fifo_expire[rq_is_sync(rq)]); + rq->fifo_time = jiffies + cfqd->cfq_fifo_expire[rq_is_sync(rq)]; list_add_tail(&rq->queuelist, &cfqq->fifo); cfq_add_rq_rb(rq); cfqg_stats_update_io_add(RQ_CFQG(rq), cfqd->serving_group, diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c index 9ef66406c62..a753df2b3fc 100644 --- a/block/deadline-iosched.c +++ b/block/deadline-iosched.c @@ -106,7 +106,7 @@ deadline_add_request(struct request_queue *q, struct request *rq) /* * set expire time and add to fifo list */ - rq_set_fifo_time(rq, jiffies + dd->fifo_expire[data_dir]); + rq->fifo_time = jiffies + dd->fifo_expire[data_dir]; list_add_tail(&rq->queuelist, &dd->fifo_list[data_dir]); } @@ -174,9 +174,9 @@ deadline_merged_requests(struct request_queue *q, struct request *req, * and move into next position (next will be deleted) in fifo */ if (!list_empty(&req->queuelist) && !list_empty(&next->queuelist)) { - if (time_before(rq_fifo_time(next), rq_fifo_time(req))) { + if (time_before(next->fifo_time, req->fifo_time)) { list_move(&req->queuelist, &next->queuelist); - rq_set_fifo_time(req, rq_fifo_time(next)); + req->fifo_time = next->fifo_time; } } @@ -230,7 +230,7 @@ static inline int deadline_check_fifo(struct deadline_data *dd, int ddir) /* * rq is expired! */ - if (time_after_eq(jiffies, rq_fifo_time(rq))) + if (time_after_eq(jiffies, rq->fifo_time)) return 1; return 0; diff --git a/block/elevator.c b/block/elevator.c index 42c45a7d671..1e01b66a0b9 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -247,6 +247,7 @@ EXPORT_SYMBOL(elevator_exit); static inline void __elv_rqhash_del(struct request *rq) { hash_del(&rq->hash); + rq->cmd_flags &= ~REQ_HASHED; } static void elv_rqhash_del(struct request_queue *q, struct request *rq) @@ -261,6 +262,7 @@ static void elv_rqhash_add(struct request_queue *q, struct request *rq) BUG_ON(ELV_ON_HASH(rq)); hash_add(e->hash, &rq->hash, rq_hash_key(rq)); + rq->cmd_flags |= REQ_HASHED; } static void elv_rqhash_reposition(struct request_queue *q, struct request *rq) diff --git a/block/partitions/atari.h b/block/partitions/atari.h index fe2d32a89f3..f2ec43bfeec 100644 --- a/block/partitions/atari.h +++ b/block/partitions/atari.h @@ -11,6 +11,8 @@ * by Guenther Kelleter (guenther@pool.informatik.rwth-aachen.de) */ +#include <linux/compiler.h> + struct partition_info { u8 flg; /* bit 0: active; bit 7: bootable */ @@ -29,6 +31,6 @@ struct rootsector u32 bsl_st; /* start of bad sector list */ u32 bsl_cnt; /* length of bad sector list */ u16 checksum; /* checksum for bootable disks */ -} __attribute__((__packed__)); +} __packed; int atari_partition(struct parsed_partitions *state); diff --git a/block/partitions/efi.h b/block/partitions/efi.h index 4efcafba7e6..abd0b19288a 100644 --- a/block/partitions/efi.h +++ b/block/partitions/efi.h @@ -32,6 +32,7 @@ #include <linux/major.h> #include <linux/string.h> #include <linux/efi.h> +#include <linux/compiler.h> #define MSDOS_MBR_SIGNATURE 0xaa55 #define EFI_PMBR_OSTYPE_EFI 0xEF @@ -87,13 +88,13 @@ typedef struct _gpt_header { * * uint8_t reserved2[ BlockSize - 92 ]; */ -} __attribute__ ((packed)) gpt_header; +} __packed gpt_header; typedef struct _gpt_entry_attributes { u64 required_to_function:1; u64 reserved:47; u64 type_guid_specific:16; -} __attribute__ ((packed)) gpt_entry_attributes; +} __packed gpt_entry_attributes; typedef struct _gpt_entry { efi_guid_t partition_type_guid; @@ -102,7 +103,7 @@ typedef struct _gpt_entry { __le64 ending_lba; gpt_entry_attributes attributes; efi_char16_t partition_name[72 / sizeof (efi_char16_t)]; -} __attribute__ ((packed)) gpt_entry; +} __packed gpt_entry; typedef struct _gpt_mbr_record { u8 boot_indicator; /* unused by EFI, set to 0x80 for bootable */ @@ -124,7 +125,7 @@ typedef struct _legacy_mbr { __le16 unknown; gpt_mbr_record partition_record[4]; __le16 signature; -} __attribute__ ((packed)) legacy_mbr; +} __packed legacy_mbr; /* Functions */ extern int efi_partition(struct parsed_partitions *state); diff --git a/block/partitions/karma.c b/block/partitions/karma.c index 0ea19312706..9721fa589bb 100644 --- a/block/partitions/karma.c +++ b/block/partitions/karma.c @@ -8,6 +8,7 @@ #include "check.h" #include "karma.h" +#include <linux/compiler.h> int karma_partition(struct parsed_partitions *state) { @@ -26,7 +27,7 @@ int karma_partition(struct parsed_partitions *state) } d_partitions[2]; u8 d_blank[208]; __le16 d_magic; - } __attribute__((packed)) *label; + } __packed *label; struct d_partition *p; data = read_part_sector(state, 0, §); |