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author | Miklos Szeredi <miklos@szeredi.hu> | 2006-01-17 06:14:31 (GMT) |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-17 07:15:30 (GMT) |
commit | 83cfd4935124b165e942c317dc3e9ebb0a3e6a63 (patch) | |
tree | 6b6276dde7fbe07dd9e5d44332eef5f2b9451d4c /fs/fuse/dev.c | |
parent | 6383bdaa2ed2d461d9f4d369dfaa9d610fc972e3 (diff) | |
download | linux-fsl-qoriq-83cfd4935124b165e942c317dc3e9ebb0a3e6a63.tar.xz |
[PATCH] fuse: introduce unified request state
The state of request was made up of 2 bitfields (->sent and ->finished) and of
the fact that the request was on a list or not.
Unify this into a single state field.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/fuse/dev.c')
-rw-r--r-- | fs/fuse/dev.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 4f1ca7b..bc8a384 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) */ static void request_end(struct fuse_conn *fc, struct fuse_req *req) { - req->finished = 1; + req->state = FUSE_REQ_FINISHED; spin_unlock(&fuse_lock); if (req->background) { down_read(&fc->sbput_sem); @@ -250,10 +250,10 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) spin_unlock(&fuse_lock); block_sigs(&oldset); - wait_event_interruptible(req->waitq, req->finished); + wait_event_interruptible(req->waitq, req->state == FUSE_REQ_FINISHED); restore_sigs(&oldset); spin_lock(&fuse_lock); - if (req->finished) + if (req->state == FUSE_REQ_FINISHED) return; req->out.h.error = -EINTR; @@ -268,10 +268,10 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) wait_event(req->waitq, !req->locked); spin_lock(&fuse_lock); } - if (!req->sent && !list_empty(&req->list)) { + if (req->state == FUSE_REQ_PENDING) { list_del(&req->list); __fuse_put_request(req); - } else if (!req->finished && req->sent) + } else if (req->state == FUSE_REQ_SENT) background_request(fc, req); } @@ -306,6 +306,7 @@ static void queue_request(struct fuse_conn *fc, struct fuse_req *req) fc->outstanding_debt++; } list_add_tail(&req->list, &fc->pending); + req->state = FUSE_REQ_PENDING; wake_up(&fc->waitq); } @@ -639,6 +640,7 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, goto err_unlock; req = list_entry(fc->pending.next, struct fuse_req, list); + req->state = FUSE_REQ_READING; list_del_init(&req->list); in = &req->in; @@ -672,7 +674,7 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, if (!req->isreply) request_end(fc, req); else { - req->sent = 1; + req->state = FUSE_REQ_SENT; list_add_tail(&req->list, &fc->processing); spin_unlock(&fuse_lock); } |