From fab37fb0a70866811b67de7cd2f0a491e09d92b8 Mon Sep 17 00:00:00 2001 From: Nikanth Karthikesan Date: Wed, 10 Jun 2009 12:57:06 -0700 Subject: [PATCH] --- yaml --- r: 147088 b: refs/heads/master c: d9c7d394a8ebacb60097b192939ae9f15235225e h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/block/blk-ioc.c | 12 ++++++------ trunk/block/cfq-iosched.c | 2 +- trunk/include/linux/iocontext.h | 6 +++--- 4 files changed, 11 insertions(+), 11 deletions(-) diff --git a/[refs] b/[refs] index 9f9a0a208acf..311e5d1d8294 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 1d589bb16b825b3a7b4edd34d997f1f1f953033d +refs/heads/master: d9c7d394a8ebacb60097b192939ae9f15235225e diff --git a/trunk/block/blk-ioc.c b/trunk/block/blk-ioc.c index 012f065ac8e2..d4ed6000147d 100644 --- a/trunk/block/blk-ioc.c +++ b/trunk/block/blk-ioc.c @@ -35,9 +35,9 @@ int put_io_context(struct io_context *ioc) if (ioc == NULL) return 1; - BUG_ON(atomic_read(&ioc->refcount) == 0); + BUG_ON(atomic_long_read(&ioc->refcount) == 0); - if (atomic_dec_and_test(&ioc->refcount)) { + if (atomic_long_dec_and_test(&ioc->refcount)) { rcu_read_lock(); if (ioc->aic && ioc->aic->dtor) ioc->aic->dtor(ioc->aic); @@ -90,7 +90,7 @@ struct io_context *alloc_io_context(gfp_t gfp_flags, int node) ret = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node); if (ret) { - atomic_set(&ret->refcount, 1); + atomic_long_set(&ret->refcount, 1); atomic_set(&ret->nr_tasks, 1); spin_lock_init(&ret->lock); ret->ioprio_changed = 0; @@ -151,7 +151,7 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node) ret = current_io_context(gfp_flags, node); if (unlikely(!ret)) break; - } while (!atomic_inc_not_zero(&ret->refcount)); + } while (!atomic_long_inc_not_zero(&ret->refcount)); return ret; } @@ -163,8 +163,8 @@ void copy_io_context(struct io_context **pdst, struct io_context **psrc) struct io_context *dst = *pdst; if (src) { - BUG_ON(atomic_read(&src->refcount) == 0); - atomic_inc(&src->refcount); + BUG_ON(atomic_long_read(&src->refcount) == 0); + atomic_long_inc(&src->refcount); put_io_context(dst); *pdst = src; } diff --git a/trunk/block/cfq-iosched.c b/trunk/block/cfq-iosched.c index 99ac4304d711..ef2f72d42434 100644 --- a/trunk/block/cfq-iosched.c +++ b/trunk/block/cfq-iosched.c @@ -1282,7 +1282,7 @@ static void cfq_dispatch_request(struct cfq_data *cfqd, struct cfq_queue *cfqq) if (!cfqd->active_cic) { struct cfq_io_context *cic = RQ_CIC(rq); - atomic_inc(&cic->ioc->refcount); + atomic_long_inc(&cic->ioc->refcount); cfqd->active_cic = cic; } } diff --git a/trunk/include/linux/iocontext.h b/trunk/include/linux/iocontext.h index 08b987bccf89..dd05434fa45f 100644 --- a/trunk/include/linux/iocontext.h +++ b/trunk/include/linux/iocontext.h @@ -64,7 +64,7 @@ struct cfq_io_context { * and kmalloc'ed. These could be shared between processes. */ struct io_context { - atomic_t refcount; + atomic_long_t refcount; atomic_t nr_tasks; /* all the fields below are protected by this lock */ @@ -91,8 +91,8 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc) * if ref count is zero, don't allow sharing (ioc is going away, it's * a race). */ - if (ioc && atomic_inc_not_zero(&ioc->refcount)) { - atomic_inc(&ioc->nr_tasks); + if (ioc && atomic_long_inc_not_zero(&ioc->refcount)) { + atomic_long_inc(&ioc->refcount); return ioc; }