FUSE_REQ_FINISHED
};
+/** The request IO state (for asynchronous processing) */
+struct fuse_io_priv {
+ int async;
+ spinlock_t lock;
+ unsigned reqs;
+ ssize_t bytes;
+ size_t size;
+ __u64 offset;
+ bool write;
+ int err;
+ struct kiocb *iocb;
+ struct file *file;
+};
+
/**
* A request to the client
*/
/** Inode used in the request or NULL */
struct inode *inode;
+ /** AIO control block */
+ struct fuse_io_priv *io;
+
/** Link on fi->writepages */
struct list_head writepages_entry;
/** Batching of FORGET requests (positive indicates FORGET batch) */
int forget_batch;
+ /** Flag indicating that INIT reply has been received. Allocating
+ * any fuse request will be suspended until the flag is set */
+ int initialized;
+
/** Flag indicating if connection is blocked. This will be
the case before the INIT reply is received, and if there
are too many outstading backgrounds requests */
/** Does the filesystem want adaptive readdirplus? */
unsigned readdirplus_auto:1;
+ /** Does the filesystem support asynchronous direct-IO submission? */
+ unsigned async_dio:1;
+
/** The number of requests waiting for completion */
atomic_t num_waiting;
* caller should specify # elements in req->pages[] explicitly
*/
struct fuse_req *fuse_get_req(struct fuse_conn *fc, unsigned npages);
+struct fuse_req *fuse_get_req_for_background(struct fuse_conn *fc,
+ unsigned npages);
+
+/*
+ * Increment reference count on request
+ */
+void __fuse_get_request(struct fuse_req *req);
/**
* Get a request, may fail with -ENOMEM,
int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file,
bool isdir);
-ssize_t fuse_direct_io(struct file *file, const struct iovec *iov,
+ssize_t fuse_direct_io(struct fuse_io_priv *io, const struct iovec *iov,
unsigned long nr_segs, size_t count, loff_t *ppos,
int write);
long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,
void fuse_write_update_size(struct inode *inode, loff_t pos);
+int fuse_do_setattr(struct inode *inode, struct iattr *attr,
+ struct file *file);
+
#endif /* _FS_FUSE_I_H */