diff options
Diffstat (limited to 'fs/fuse')
-rw-r--r-- | fs/fuse/dev.c | 14 | ||||
-rw-r--r-- | fs/fuse/fuse_i.h | 16 |
2 files changed, 19 insertions, 11 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 4f1ca7b119ed..bc8a3846a4bf 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c | |||
@@ -181,7 +181,7 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req) | |||
181 | */ | 181 | */ |
182 | static void request_end(struct fuse_conn *fc, struct fuse_req *req) | 182 | static void request_end(struct fuse_conn *fc, struct fuse_req *req) |
183 | { | 183 | { |
184 | req->finished = 1; | 184 | req->state = FUSE_REQ_FINISHED; |
185 | spin_unlock(&fuse_lock); | 185 | spin_unlock(&fuse_lock); |
186 | if (req->background) { | 186 | if (req->background) { |
187 | down_read(&fc->sbput_sem); | 187 | down_read(&fc->sbput_sem); |
@@ -250,10 +250,10 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) | |||
250 | 250 | ||
251 | spin_unlock(&fuse_lock); | 251 | spin_unlock(&fuse_lock); |
252 | block_sigs(&oldset); | 252 | block_sigs(&oldset); |
253 | wait_event_interruptible(req->waitq, req->finished); | 253 | wait_event_interruptible(req->waitq, req->state == FUSE_REQ_FINISHED); |
254 | restore_sigs(&oldset); | 254 | restore_sigs(&oldset); |
255 | spin_lock(&fuse_lock); | 255 | spin_lock(&fuse_lock); |
256 | if (req->finished) | 256 | if (req->state == FUSE_REQ_FINISHED) |
257 | return; | 257 | return; |
258 | 258 | ||
259 | req->out.h.error = -EINTR; | 259 | req->out.h.error = -EINTR; |
@@ -268,10 +268,10 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) | |||
268 | wait_event(req->waitq, !req->locked); | 268 | wait_event(req->waitq, !req->locked); |
269 | spin_lock(&fuse_lock); | 269 | spin_lock(&fuse_lock); |
270 | } | 270 | } |
271 | if (!req->sent && !list_empty(&req->list)) { | 271 | if (req->state == FUSE_REQ_PENDING) { |
272 | list_del(&req->list); | 272 | list_del(&req->list); |
273 | __fuse_put_request(req); | 273 | __fuse_put_request(req); |
274 | } else if (!req->finished && req->sent) | 274 | } else if (req->state == FUSE_REQ_SENT) |
275 | background_request(fc, req); | 275 | background_request(fc, req); |
276 | } | 276 | } |
277 | 277 | ||
@@ -306,6 +306,7 @@ static void queue_request(struct fuse_conn *fc, struct fuse_req *req) | |||
306 | fc->outstanding_debt++; | 306 | fc->outstanding_debt++; |
307 | } | 307 | } |
308 | list_add_tail(&req->list, &fc->pending); | 308 | list_add_tail(&req->list, &fc->pending); |
309 | req->state = FUSE_REQ_PENDING; | ||
309 | wake_up(&fc->waitq); | 310 | wake_up(&fc->waitq); |
310 | } | 311 | } |
311 | 312 | ||
@@ -639,6 +640,7 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, | |||
639 | goto err_unlock; | 640 | goto err_unlock; |
640 | 641 | ||
641 | req = list_entry(fc->pending.next, struct fuse_req, list); | 642 | req = list_entry(fc->pending.next, struct fuse_req, list); |
643 | req->state = FUSE_REQ_READING; | ||
642 | list_del_init(&req->list); | 644 | list_del_init(&req->list); |
643 | 645 | ||
644 | in = &req->in; | 646 | in = &req->in; |
@@ -672,7 +674,7 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, | |||
672 | if (!req->isreply) | 674 | if (!req->isreply) |
673 | request_end(fc, req); | 675 | request_end(fc, req); |
674 | else { | 676 | else { |
675 | req->sent = 1; | 677 | req->state = FUSE_REQ_SENT; |
676 | list_add_tail(&req->list, &fc->processing); | 678 | list_add_tail(&req->list, &fc->processing); |
677 | spin_unlock(&fuse_lock); | 679 | spin_unlock(&fuse_lock); |
678 | } | 680 | } |
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 27937e8018eb..8cc87ebeed2e 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h | |||
@@ -111,6 +111,15 @@ struct fuse_out { | |||
111 | struct fuse_arg args[3]; | 111 | struct fuse_arg args[3]; |
112 | }; | 112 | }; |
113 | 113 | ||
114 | /** The request state */ | ||
115 | enum fuse_req_state { | ||
116 | FUSE_REQ_INIT = 0, | ||
117 | FUSE_REQ_PENDING, | ||
118 | FUSE_REQ_READING, | ||
119 | FUSE_REQ_SENT, | ||
120 | FUSE_REQ_FINISHED | ||
121 | }; | ||
122 | |||
114 | /** | 123 | /** |
115 | * A request to the client | 124 | * A request to the client |
116 | */ | 125 | */ |
@@ -140,11 +149,8 @@ struct fuse_req { | |||
140 | /** Data is being copied to/from the request */ | 149 | /** Data is being copied to/from the request */ |
141 | unsigned locked:1; | 150 | unsigned locked:1; |
142 | 151 | ||
143 | /** Request has been sent to userspace */ | 152 | /** State of the request */ |
144 | unsigned sent:1; | 153 | enum fuse_req_state state; |
145 | |||
146 | /** The request is finished */ | ||
147 | unsigned finished:1; | ||
148 | 154 | ||
149 | /** The request input */ | 155 | /** The request input */ |
150 | struct fuse_in in; | 156 | struct fuse_in in; |