diff options
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 0c8d130..939f968 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bio.h> +#include <sys/conf.h> #include <sys/buf.h> #include <sys/devicestat.h> #include <sys/eventhandler.h> @@ -3054,7 +3055,7 @@ bufwait(register struct buf * bp) * Call back function from struct bio back up to struct buf. * The corresponding initialization lives in sys/conf.h:DEV_STRATEGY(). */ -void +static void bufdonebio(struct bio *bp) { @@ -3064,6 +3065,21 @@ bufdonebio(struct bio *bp) mtx_unlock(&Giant); } +void +dev_strategy(struct buf *bp) +{ + + if ((!bp->b_iocmd) || (bp->b_iocmd & (bp->b_iocmd - 1))) + panic("b_iocmd botch"); + if (bp->b_flags & B_PHYS) + bp->b_io.bio_offset = bp->b_offset; + else + bp->b_io.bio_offset = dbtob(bp->b_blkno); + bp->b_io.bio_done = bufdonebio; + bp->b_io.bio_caller2 = bp; + (*devsw(bp->b_io.bio_dev)->d_strategy)(&bp->b_io); +} + /* * bufdone: * |
