diff options
-rw-r--r-- | block/blk-ioc.c | 12 | ||||
-rw-r--r-- | block/cfq-iosched.c | 2 | ||||
-rw-r--r-- | include/linux/iocontext.h | 6 |
3 files changed, 10 insertions, 10 deletions
diff --git a/block/blk-ioc.c b/block/blk-ioc.c index 012f065ac8e2..d4ed6000147d 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c | |||
@@ -35,9 +35,9 @@ int put_io_context(struct io_context *ioc) | |||
35 | if (ioc == NULL) | 35 | if (ioc == NULL) |
36 | return 1; | 36 | return 1; |
37 | 37 | ||
38 | BUG_ON(atomic_read(&ioc->refcount) == 0); | 38 | BUG_ON(atomic_long_read(&ioc->refcount) == 0); |
39 | 39 | ||
40 | if (atomic_dec_and_test(&ioc->refcount)) { | 40 | if (atomic_long_dec_and_test(&ioc->refcount)) { |
41 | rcu_read_lock(); | 41 | rcu_read_lock(); |
42 | if (ioc->aic && ioc->aic->dtor) | 42 | if (ioc->aic && ioc->aic->dtor) |
43 | ioc->aic->dtor(ioc->aic); | 43 | ioc->aic->dtor(ioc->aic); |
@@ -90,7 +90,7 @@ struct io_context *alloc_io_context(gfp_t gfp_flags, int node) | |||
90 | 90 | ||
91 | ret = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node); | 91 | ret = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node); |
92 | if (ret) { | 92 | if (ret) { |
93 | atomic_set(&ret->refcount, 1); | 93 | atomic_long_set(&ret->refcount, 1); |
94 | atomic_set(&ret->nr_tasks, 1); | 94 | atomic_set(&ret->nr_tasks, 1); |
95 | spin_lock_init(&ret->lock); | 95 | spin_lock_init(&ret->lock); |
96 | ret->ioprio_changed = 0; | 96 | ret->ioprio_changed = 0; |
@@ -151,7 +151,7 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node) | |||
151 | ret = current_io_context(gfp_flags, node); | 151 | ret = current_io_context(gfp_flags, node); |
152 | if (unlikely(!ret)) | 152 | if (unlikely(!ret)) |
153 | break; | 153 | break; |
154 | } while (!atomic_inc_not_zero(&ret->refcount)); | 154 | } while (!atomic_long_inc_not_zero(&ret->refcount)); |
155 | 155 | ||
156 | return ret; | 156 | return ret; |
157 | } | 157 | } |
@@ -163,8 +163,8 @@ void copy_io_context(struct io_context **pdst, struct io_context **psrc) | |||
163 | struct io_context *dst = *pdst; | 163 | struct io_context *dst = *pdst; |
164 | 164 | ||
165 | if (src) { | 165 | if (src) { |
166 | BUG_ON(atomic_read(&src->refcount) == 0); | 166 | BUG_ON(atomic_long_read(&src->refcount) == 0); |
167 | atomic_inc(&src->refcount); | 167 | atomic_long_inc(&src->refcount); |
168 | put_io_context(dst); | 168 | put_io_context(dst); |
169 | *pdst = src; | 169 | *pdst = src; |
170 | } | 170 | } |
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 99ac4304d711..ef2f72d42434 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c | |||
@@ -1282,7 +1282,7 @@ static void cfq_dispatch_request(struct cfq_data *cfqd, struct cfq_queue *cfqq) | |||
1282 | if (!cfqd->active_cic) { | 1282 | if (!cfqd->active_cic) { |
1283 | struct cfq_io_context *cic = RQ_CIC(rq); | 1283 | struct cfq_io_context *cic = RQ_CIC(rq); |
1284 | 1284 | ||
1285 | atomic_inc(&cic->ioc->refcount); | 1285 | atomic_long_inc(&cic->ioc->refcount); |
1286 | cfqd->active_cic = cic; | 1286 | cfqd->active_cic = cic; |
1287 | } | 1287 | } |
1288 | } | 1288 | } |
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 08b987bccf89..dd05434fa45f 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h | |||
@@ -64,7 +64,7 @@ struct cfq_io_context { | |||
64 | * and kmalloc'ed. These could be shared between processes. | 64 | * and kmalloc'ed. These could be shared between processes. |
65 | */ | 65 | */ |
66 | struct io_context { | 66 | struct io_context { |
67 | atomic_t refcount; | 67 | atomic_long_t refcount; |
68 | atomic_t nr_tasks; | 68 | atomic_t nr_tasks; |
69 | 69 | ||
70 | /* all the fields below are protected by this lock */ | 70 | /* 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) | |||
91 | * if ref count is zero, don't allow sharing (ioc is going away, it's | 91 | * if ref count is zero, don't allow sharing (ioc is going away, it's |
92 | * a race). | 92 | * a race). |
93 | */ | 93 | */ |
94 | if (ioc && atomic_inc_not_zero(&ioc->refcount)) { | 94 | if (ioc && atomic_long_inc_not_zero(&ioc->refcount)) { |
95 | atomic_inc(&ioc->nr_tasks); | 95 | atomic_long_inc(&ioc->refcount); |
96 | return ioc; | 96 | return ioc; |
97 | } | 97 | } |
98 | 98 | ||