Lines Matching defs:sg_fd

146 typedef struct sg_fd {		/* holds the state of a file descriptor */  struct
147 	struct list_head sfd_siblings;
148 	struct sg_device *parentdp;	/* owning device */
149 	wait_queue_head_t read_wait;	/* queue read until command done */
150 	rwlock_t rq_list_lock;	/* protect access to list in req_arr */
151 	int timeout;		/* defaults to SG_DEFAULT_TIMEOUT      */
152 	int timeout_user;	/* defaults to SG_DEFAULT_TIMEOUT_USER */
153 	Sg_scatter_hold reserve;	/* buffer held for this file descriptor */
154 	unsigned save_scat_len;	/* original length of trunc. scat. element */
155 	Sg_request *headrp;	/* head of request slist, NULL->empty */
156 	struct fasync_struct *async_qp;	/* used by asynchronous notification */
157 	Sg_request req_arr[SG_MAX_QUEUE];	/* used as singly-linked list */
158 	char low_dma;		/* as in parent but possibly overridden to 1 */
159 	char force_packid;	/* 1 -> pack_id input to read(), 0 -> ignored */
160 	volatile char closed;	/* 1 -> fd closed but request(s) outstanding */
161 	char cmd_q;		/* 1 -> allow command queuing, 0 -> don't */
162 	char next_cmd_len;	/* 0 -> automatic (def), >0 -> use on next write() */
163 	char keep_orphan;	/* 0 -> drop orphan (def), 1 -> keep for read() */
164 	char mmap_called;	/* 0 -> mmap() never called on this fd */
165 	struct kref f_ref;
166 	struct execute_work ew;