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We do not get B_PHYS buffers here anymore. /dev/drum is long gone.

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This commit is contained in:
Poul-Henning Kamp 2003-10-18 09:33:13 +00:00
parent 583b92e328
commit e6ad40bb11
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=121191
1 changed files with 2 additions and 24 deletions
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26
sys/nfsclient/nfs_bio.c
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@ -1295,31 +1295,9 @@ nfs_doio(struct buf *bp, struct ucred *cr, struct thread *td)
/*
* Historically, paging was done with physio, but no more.
*/
if (bp->b_flags & B_PHYS) {
/*
* ...though reading /dev/drum still gets us here.
*/
io.iov_len = uiop->uio_resid = bp->b_bcount;
/* mapping was done by vmapbuf() */
io.iov_base = bp->b_data;
uiop->uio_offset = ((off_t)bp->b_blkno) * DEV_BSIZE;
if (bp->b_iocmd == BIO_READ) {
uiop->uio_rw = UIO_READ;
nfsstats.read_physios++;
error = nfs_readrpc(vp, uiop, cr);
} else {
int com;
KASSERT(!(bp->b_flags & B_PHYS), ("B_PHYS in nfs_doio"));
iomode = NFSV3WRITE_DATASYNC;
uiop->uio_rw = UIO_WRITE;
nfsstats.write_physios++;
error = nfs_writerpc(vp, uiop, cr, &iomode, &com);
}
if (error) {
bp->b_ioflags |= BIO_ERROR;
bp->b_error = error;
}
} else if (bp->b_iocmd == BIO_READ) {
if (bp->b_iocmd == BIO_READ) {
io.iov_len = uiop->uio_resid = bp->b_bcount;
io.iov_base = bp->b_data;
uiop->uio_rw = UIO_READ;