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| author | Miklos Szeredi <miklos@szeredi.hu> | 2006-01-16 22:14:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-16 23:15:30 -0800 |
| commit | d77a1d5b611742c538364f041ff4610d27b14fe7 (patch) | |
| tree | c18cf2c112ad17e07a3e0d0459c55f04b257e3e3 /fs/fuse | |
| parent | 83cfd4935124b165e942c317dc3e9ebb0a3e6a63 (diff) | |
| download | lwn-d77a1d5b611742c538364f041ff4610d27b14fe7.tar.gz lwn-d77a1d5b611742c538364f041ff4610d27b14fe7.zip | |
[PATCH] fuse: introduce list for requests under I/O
Create a new list for requests in the process of being transfered to/from
userspace. This will be needed to be able to abort all requests even those
currently under I/O
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')
| -rw-r--r-- | fs/fuse/dev.c | 8 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 7 | ||||
| -rw-r--r-- | fs/fuse/inode.c | 1 |
3 files changed, 10 insertions, 6 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index bc8a3846a4bf..609875dbd212 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -181,6 +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) { + list_del(&req->list); req->state = FUSE_REQ_FINISHED; spin_unlock(&fuse_lock); if (req->background) { @@ -641,7 +642,7 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, req = list_entry(fc->pending.next, struct fuse_req, list); req->state = FUSE_REQ_READING; - list_del_init(&req->list); + list_move(&req->list, &fc->io); in = &req->in; reqsize = in->h.len; @@ -675,7 +676,7 @@ static ssize_t fuse_dev_readv(struct file *file, const struct iovec *iov, request_end(fc, req); else { req->state = FUSE_REQ_SENT; - list_add_tail(&req->list, &fc->processing); + list_move_tail(&req->list, &fc->processing); spin_unlock(&fuse_lock); } return reqsize; @@ -768,7 +769,6 @@ static ssize_t fuse_dev_writev(struct file *file, const struct iovec *iov, if (!req) goto err_unlock; - list_del_init(&req->list); if (req->interrupted) { spin_unlock(&fuse_lock); fuse_copy_finish(&cs); @@ -776,6 +776,7 @@ static ssize_t fuse_dev_writev(struct file *file, const struct iovec *iov, request_end(fc, req); return -ENOENT; } + list_move(&req->list, &fc->io); req->out.h = oh; req->locked = 1; cs.req = req; @@ -835,7 +836,6 @@ static void end_requests(struct fuse_conn *fc, struct list_head *head) while (!list_empty(head)) { struct fuse_req *req; req = list_entry(head->next, struct fuse_req, list); - list_del_init(&req->list); req->out.h.error = -ECONNABORTED; request_end(fc, req); spin_lock(&fuse_lock); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 8cc87ebeed2e..5742253164d9 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -124,8 +124,8 @@ enum fuse_req_state { * A request to the client */ struct fuse_req { - /** This can be on either unused_list, pending or processing - lists in fuse_conn */ + /** This can be on either unused_list, pending processing or + io lists in fuse_conn */ struct list_head list; /** Entry on the background list */ @@ -223,6 +223,9 @@ struct fuse_conn { /** The list of requests being processed */ struct list_head processing; + /** The list of requests under I/O */ + struct list_head io; + /** Requests put in the background (RELEASE or any other interrupted request) */ struct list_head background; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index ceee75df7b32..d7aaffe979dd 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -382,6 +382,7 @@ static struct fuse_conn *new_conn(void) init_waitqueue_head(&fc->waitq); INIT_LIST_HEAD(&fc->pending); INIT_LIST_HEAD(&fc->processing); + INIT_LIST_HEAD(&fc->io); INIT_LIST_HEAD(&fc->unused_list); INIT_LIST_HEAD(&fc->background); sema_init(&fc->outstanding_sem, 1); /* One for INIT */ |