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| author | Miklos Szeredi <mszeredi@suse.cz> | 2015-07-01 17:26:04 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@suse.cz> | 2015-07-01 17:26:04 +0300 |
| commit | e96edd94d0887707fc41c5d21d5b488edcd31689 (patch) | |
| tree | eba934e52d1c1155590b116a9561560273ce411d | |
| parent | 3a2b5b9cd9610f789f5e5f91a010d9fa3ca78632 (diff) | |
| download | linux-e96edd94d0887707fc41c5d21d5b488edcd31689.tar.xz | |
fuse: duplicate ->connected in pqueue
This will allow checking ->connected just with the processing queue lock.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Reviewed-by: Ashish Samant <ashish.samant@oracle.com>
| -rw-r--r-- | fs/fuse/dev.c | 7 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 3 | ||||
| -rw-r--r-- | fs/fuse/inode.c | 1 |
3 files changed, 8 insertions, 3 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 0fae2a7ded77..6321d761c3c3 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -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); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 3620eec018a4..5897d89ea2ba 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -402,6 +402,9 @@ struct fuse_iqueue { }; struct fuse_pqueue { + /** Connection established */ + unsigned connected; + /** The list of requests being processed */ struct list_head processing; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 7b146bb68dd5..88b9ca401623 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -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) |