Commit e96edd94 authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

fuse: duplicate ->connected in pqueue 



This will allow checking ->connected just with the processing queue lock.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
Reviewed-by: default avatarAshish Samant <ashish.samant@oracle.com>
parent 3a2b5b9c

fs/fuse/dev.c

+4 −3
Original line number Diff line number Diff line
@@ -1303,7 +1303,7 @@ static ssize_t fuse_dev_do_read(struct fuse_conn *fc, struct file *file, 
	fuse_copy_finish(cs);

	spin_lock(&fc->lock);

	clear_bit(FR_LOCKED, &req->flags);

	if (!fc->connected) {

	if (!fpq->connected) {

		request_end(fc, req);

		return -ENODEV;

	}
@@ -1891,7 +1891,7 @@ static ssize_t fuse_dev_do_write(struct fuse_conn *fc, 


	spin_lock(&fc->lock);

	err = -ENOENT;

	if (!fc->connected)

	if (!fpq->connected)

		goto err_unlock;



	req = request_find(fpq, oh.unique);
@@ -1928,7 +1928,7 @@ static ssize_t fuse_dev_do_write(struct fuse_conn *fc, 


	spin_lock(&fc->lock);

	clear_bit(FR_LOCKED, &req->flags);

	if (!fc->connected)

	if (!fpq->connected)

		err = -ENOENT;

	else if (err)

		req->out.h.error = -EIO;
@@ -2125,6 +2125,7 @@ void fuse_abort_conn(struct fuse_conn *fc) 
		fc->connected = 0;

		fc->blocked = 0;

		fuse_set_initialized(fc);

		fpq->connected = 0;

		list_for_each_entry_safe(req, next, &fpq->io, list) {

			req->out.h.error = -ECONNABORTED;

			spin_lock(&req->waitq.lock);

fs/fuse/fuse_i.h

+3 −0
Original line number Diff line number Diff line
@@ -402,6 +402,9 @@ struct fuse_iqueue { 
};



struct fuse_pqueue {

	/** Connection established */

	unsigned connected;



	/** The list of requests being processed */

	struct list_head processing;

fs/fuse/inode.c

+1 −0
Original line number Diff line number Diff line
@@ -582,6 +582,7 @@ static void fuse_pqueue_init(struct fuse_pqueue *fpq) 
	memset(fpq, 0, sizeof(struct fuse_pqueue));

	INIT_LIST_HEAD(&fpq->processing);

	INIT_LIST_HEAD(&fpq->io);

	fpq->connected = 1;

}



void fuse_conn_init(struct fuse_conn *fc)