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Retire b_magic now, we have the bufobj containing the same hint.

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This commit is contained in:
Poul-Henning Kamp 2004-11-04 09:48:18 +00:00
parent b5a00bdb60
commit 6e67e2a710
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=137197
5 changed files with 0 additions and 7 deletions
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1
sys/kern/vfs_bio.c
View File

@ -1932,7 +1932,6 @@ restart:
bp->b_bcount = 0;
bp->b_npages = 0;
bp->b_dirtyoff = bp->b_dirtyend = 0;
bp->b_magic = B_MAGIC_BIO;
bp->b_bufobj = NULL;
LIST_INIT(&bp->b_dep);

1
sys/kern/vfs_cluster.c
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@ -821,7 +821,6 @@ cluster_wbuild(vp, size, start_lbn, len)
*/
TAILQ_INIT(&bp->b_cluster.cluster_head);
bp->b_bcount = 0;
bp->b_magic = tbp->b_magic;
bp->b_bufobj = tbp->b_bufobj;
bp->b_bufsize = 0;
bp->b_npages = 0;

1
sys/nfsclient/nfs_bio.c
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@ -836,7 +836,6 @@ again:
bcount += n;
allocbuf(bp, bcount);
bp->b_flags |= save;
bp->b_magic = B_MAGIC_NFS;
}
} else {
/*

3
sys/sys/buf.h
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@ -103,9 +103,6 @@ struct buf {
uint8_t b_ioflags;
off_t b_iooffset;
long b_resid;
unsigned b_magic;
#define B_MAGIC_BIO 0x10b10b10
#define B_MAGIC_NFS 0x67238234
void (*b_iodone)(struct buf *);
daddr_t b_blkno; /* Underlying physical block number. */
off_t b_offset; /* Offset into file. */

1
sys/vm/vm_pager.c
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@ -295,7 +295,6 @@ initpbuf(struct buf *bp)
bp->b_ioflags = 0;
bp->b_iodone = NULL;
bp->b_error = 0;
bp->b_magic = B_MAGIC_BIO;
BUF_LOCK(bp, LK_EXCLUSIVE, NULL);
}