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| author | John Dyson <dyson@FreeBSD.org> | 1995-12-11 04:58:34 +0000 |
|---|---|---|
| committer | John Dyson <dyson@FreeBSD.org> | 1995-12-11 04:58:34 +0000 |
| commit | a316d390bda3e185e04632e807a012a345492935 (patch) | |
| tree | 2b7bb6b5f65218fdc977df2e1db5ccaf89d154c6 /sys/sys/bio.h | |
| parent | c3fda50ba5d12fa986a82de7b66138d317516393 (diff) | |
| download | src-a316d390bda3e185e04632e807a012a345492935.tar.gz src-a316d390bda3e185e04632e807a012a345492935.zip | |
Changes to support 1Tb filesizes. Pages are now named by an
(object,index) pair instead of (object,offset) pair.
Notes
Notes:
svn path=/head/; revision=12767
Diffstat (limited to 'sys/sys/bio.h')
| -rw-r--r-- | sys/sys/bio.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/sys/bio.h b/sys/sys/bio.h index 2e244feb16eb..c25eb6c8c710 100644 --- a/sys/sys/bio.h +++ b/sys/sys/bio.h @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)buf.h 8.7 (Berkeley) 1/21/94 - * $Id: buf.h,v 1.23 1995/11/19 22:22:03 dyson Exp $ + * $Id: buf.h,v 1.24 1995/11/20 12:35:16 phk Exp $ */ #ifndef _SYS_BUF_H_ @@ -69,8 +69,9 @@ struct buf { struct buf *b_actf, **b_actb; /* Device driver queue when active. *depricated* XXX */ TAILQ_ENTRY(buf) b_act; /* Device driver queue when active. *new* */ struct proc *b_proc; /* Associated proc; NULL if kernel. */ - volatile long b_flags; /* B_* flags. */ - int b_qindex; /* buffer queue index */ + long b_flags; /* B_* flags. */ + unsigned short b_qindex; /* buffer queue index */ + unsigned char b_usecount; /* buffer use count */ int b_error; /* Errno value. */ long b_bufsize; /* Allocated buffer size. */ long b_bcount; /* Valid bytes in buffer. */ @@ -206,9 +207,10 @@ int bwrite __P((struct buf *)); void bdwrite __P((struct buf *)); void bawrite __P((struct buf *)); void brelse __P((struct buf *)); -void vfs_bio_awrite __P((struct buf *)); +int vfs_bio_awrite __P((struct buf *)); struct buf * getpbuf __P((void)); struct buf *incore __P((struct vnode *, daddr_t)); +struct buf *gbincore __P((struct vnode *, daddr_t)); int inmem __P((struct vnode *, daddr_t)); struct buf *getblk __P((struct vnode *, daddr_t, int, int, int)); struct buf *geteblk __P((int)); @@ -219,7 +221,7 @@ void biodone __P((struct buf *)); void cluster_callback __P((struct buf *)); int cluster_read __P((struct vnode *, u_quad_t, daddr_t, long, struct ucred *, struct buf **)); -void cluster_wbuild __P((struct vnode *, long, daddr_t, int)); +int cluster_wbuild __P((struct vnode *, long, daddr_t, int)); void cluster_write __P((struct buf *, u_quad_t)); int physio __P((void (*)(struct buf *), struct buf *, dev_t, int, u_int (*)(struct buf *), struct uio *)); |