diff options
Diffstat (limited to 'fs/fuse/fuse_dev_i.h')
| -rw-r--r-- | fs/fuse/fuse_dev_i.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/fuse/fuse_dev_i.h b/fs/fuse/fuse_dev_i.h index 5a9bd771a319..134bf44aff0d 100644 --- a/fs/fuse/fuse_dev_i.h +++ b/fs/fuse/fuse_dev_i.h @@ -12,6 +12,8 @@ #define FUSE_INT_REQ_BIT (1ULL << 0) #define FUSE_REQ_ID_STEP (1ULL << 1) +extern struct wait_queue_head fuse_dev_waitq; + struct fuse_arg; struct fuse_args; struct fuse_pqueue; @@ -37,15 +39,22 @@ struct fuse_copy_state { } ring; }; -static inline struct fuse_dev *fuse_get_dev(struct file *file) +#define FUSE_DEV_SYNC_INIT ((struct fuse_dev *) 1) +#define FUSE_DEV_PTR_MASK (~1UL) + +static inline struct fuse_dev *__fuse_get_dev(struct file *file) { /* * Lockless access is OK, because file->private data is set * once during mount and is valid until the file is released. */ - return READ_ONCE(file->private_data); + struct fuse_dev *fud = READ_ONCE(file->private_data); + + return (typeof(fud)) ((unsigned long) fud & FUSE_DEV_PTR_MASK); } +struct fuse_dev *fuse_get_dev(struct file *file); + unsigned int fuse_req_hash(u64 unique); struct fuse_req *fuse_request_find(struct fuse_pqueue *fpq, u64 unique); @@ -53,6 +62,7 @@ void fuse_dev_end_requests(struct list_head *head); void fuse_copy_init(struct fuse_copy_state *cs, bool write, struct iov_iter *iter); +void fuse_copy_finish(struct fuse_copy_state *cs); int fuse_copy_args(struct fuse_copy_state *cs, unsigned int numargs, unsigned int argpages, struct fuse_arg *args, int zeroing); |