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Lock buffer before calling strategy.

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Idea-stolen-from:	peter (sys/dev/ccd/ccd.c revision 1.49)
This commit is contained in:
Greg Lehey 1999-06-29 04:10:05 +00:00
parent 839832f8d0
commit 3252fdcd97
2 changed files with 8 additions and 3 deletions
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7
sys/dev/vinum/vinumrequest.c
View File

@ -33,7 +33,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: vinumrequest.c,v 1.26 1999/06/24 08:56:03 grog Exp $
* $Id: vinumrequest.c,v 1.23 1999/03/20 21:58:38 grog Exp grog $
*/
#include <dev/vinum/vinumhdr.h>
@ -725,7 +725,10 @@ build_rq_buffer(struct rqelement *rqe, struct plex *plex)
/* Initialize the buf struct */
bp->b_flags = ubp->b_flags & (B_NOCACHE | B_READ | B_ASYNC); /* copy these flags from user bp */
bp->b_flags |= B_CALL; /* inform us when it's done */
bp->b_flags |= B_CALL; /* inform us when it's done */
BUF_LOCKINIT(bp); /* get a lock for the buffer */
BUF_LOCK(bp, LK_EXCLUSIVE); /* and lock it */
/*
* XXX Should we check for reviving plexes here, and
* set B_ORDERED if so?

4
sys/dev/vinum/vinumrevive.c
View File

@ -33,7 +33,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: vinumrevive.c,v 1.12 1999/05/15 05:49:21 grog Exp $
* $Id: vinumrevive.c,v 1.7 1999/02/28 02:12:18 grog Exp grog $
*/
#include <dev/vinum/vinumhdr.h>
@ -146,6 +146,8 @@ revive_block(int sdno)
bp->b_dev = VINUMRBDEV(sdno, VINUM_RAWSD_TYPE); /* create the device number */
bp->b_flags = B_ORDERED; /* and make this an ordered write */
BUF_LOCKINIT(bp); /* get a lock for the buffer */
BUF_LOCK(bp, LK_EXCLUSIVE); /* and lock it */
bp->b_resid = 0x0;
bp->b_blkno = sd->revived; /* write it to here */
sdio(bp); /* perform the I/O */