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Include Peter Wemm's renaming and restructuring

Browse source 
Change from lkm to kld

Add structures for daemon

Remove old cruft

Increase RQINFO_SIZE to 128
This commit is contained in:
Greg Lehey 1999-01-21 00:29:44 +00:00
parent e743f211c1
commit 7230cf7d2a
1 changed files with 41 additions and 12 deletions
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53
sys/dev/vinum/request.h
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@ -33,19 +33,11 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: request.h,v 1.4 1998/12/28 04:56:23 peter Exp $
* $Id: request.h,v 1.13 1999/01/14 05:46:22 grog Exp grog $
*/
/* Information needed to set up a transfer */
/* struct buf is surprisingly big (about 300
* bytes), and it's part of the request, so this
* value is really important. Most requests
* don't need more than 2 subrequests per
* plex. The table is automatically extended if
* this value is too small. */
#define RQELTS 2 /* default of 2 requests per transfer */
enum xferinfo {
XFR_NORMAL_READ = 1,
XFR_NORMAL_WRITE = 2, /* write request in normal mode */
@ -124,16 +116,17 @@ struct rqgroup {
* work we have to do to satisfy it */
struct request {
struct buf *bp; /* pointer to the high-level request */
int flags;
enum xferinfo flags;
union {
int volno; /* volume index */
int plexno; /* or plex index */
} volplex;
int error; /* current error indication */
int sdno; /* reviving subdisk (XFR_REVIVECONFLICT) */
short isplex; /* set if this is a plex request */
short active; /* number of subrequests still active */
struct rqgroup *rqg; /* pointer to the first group of requests */
struct rqgroup *lrqg; /* and to the first group of requests */
struct rqgroup *lrqg; /* and to the last group of requests */
struct request *next; /* link of waiting requests */
};
@ -185,7 +178,43 @@ struct rqinfo {
} info;
};
#define RQINFO_SIZE 64 /* number of info slots in buffer */
#define RQINFO_SIZE 128 /* number of info slots in buffer */
void logrq(enum rqinfo_type type, union rqinfou info, struct buf *ubp);
#endif
/* Structures for the daemon */
/* types of request to the daemon */
enum daemonrq {
daemonrq_none, /* dummy to catch bugs */
daemonrq_ioerror, /* error occurred on I/O */
daemonrq_saveconfig, /* save configuration */
daemonrq_return, /* return to userland */
daemonrq_ping, /* show sign of life */
daemonrq_init, /* initialize a plex */
daemonrq_revive, /* revive a subdisk */
};
/* info field for daemon requests */
union daemoninfo { /* and the request information */
struct request *rq; /* for daemonrq_ioerror */
struct sd *sd; /* for daemonrq_revive */
struct plex *plex; /* for daemonrq_init */
};
struct daemonq {
struct daemonq *next; /* pointer to next element in queue */
enum daemonrq type; /* type of request */
union daemoninfo info; /* and the request information */
};
void queue_daemon_request(enum daemonrq type, union daemoninfo info);
extern int daemon_options;
enum daemon_option {
daemon_verbose = 1, /* talk about what we're doing */
daemon_stopped = 2,
daemon_noupdate = 4, /* don't update the disk config, for recovery */
};