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Send B_PHYS out to pasture, it no longer serves any function.

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This commit is contained in:
Poul-Henning Kamp 2003-11-15 09:28:09 +00:00
parent 28c9416429
commit 00cbe31bd8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122747
5 changed files with 3 additions and 13 deletions
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2
sys/kern/kern_physio.c
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@ -59,7 +59,7 @@ physio(dev_t dev, struct uio *uio, int ioflag)
for (i = 0; i < uio->uio_iovcnt; i++) {
while (uio->uio_iov[i].iov_len) {
bp->b_flags = B_PHYS;
bp->b_flags = 0;
if (uio->uio_rw == UIO_READ)
bp->b_iocmd = BIO_READ;
else

1
sys/kern/vfs_aio.c
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@ -1102,7 +1102,6 @@ aio_qphysio(struct proc *p, struct aiocblist *aiocbe)
bp->b_bcount = cb->aio_nbytes;
bp->b_bufsize = cb->aio_nbytes;
bp->b_flags = B_PHYS;
bp->b_iodone = aio_physwakeup;
bp->b_saveaddr = bp->b_data;
bp->b_data = (void *)(uintptr_t)cb->aio_buf;

9
sys/kern/vfs_bio.c
View File

@ -3074,15 +3074,6 @@ 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)
KASSERT(bp->b_io.bio_offset == bp->b_offset,
("bio_offset %jd wrong, should be %jd",
(intmax_t)bp->b_io.bio_offset, (intmax_t)bp->b_offset));
else
KASSERT(bp->b_io.bio_offset == dbtob(bp->b_blkno),
("bio_offset %jd wrong, should be %jd",
(intmax_t)bp->b_io.bio_offset,
(intmax_t)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);

2
sys/sys/buf.h
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@ -218,7 +218,7 @@ struct buf {
#define B_NOCACHE 0x00008000 /* Do not cache block after use. */
#define B_MALLOC 0x00010000 /* malloced b_data */
#define B_CLUSTEROK 0x00020000 /* Pagein op, so swap() can count it. */
#define B_PHYS 0x00040000 /* I/O to user memory. */
#define B_000400000 0x00040000 /* Available flag. */
#define B_000800000 0x00080000 /* Available flag. */
#define B_00100000 0x00100000 /* Available flag. */
#define B_DIRTY 0x00200000 /* Needs writing later (in EXT2FS). */

2
sys/ufs/ffs/ffs_rawread.c
View File

@ -209,7 +209,7 @@ ffs_rawread_readahead(struct vnode *vp,
if (iolen != 0)
bp->b_bcount -= PAGE_SIZE;
}
bp->b_flags = B_PHYS;
bp->b_flags = 0; /* XXX necessary ? */
bp->b_iocmd = BIO_READ;
bp->b_iodone = ffs_rawreadwakeup;
bp->b_data = udata;