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[src/trunk]: src/sys/ufs/lfs unifdef -DLFS_READWRITE ulfs_readwrite.c
details: https://anonhg.NetBSD.org/src/rev/6818fadf9d06
branches: trunk
changeset: 452156:6818fadf9d06
user: christos <christos%NetBSD.org@localhost>
date: Thu Jun 20 00:49:11 2019 +0000
description:
unifdef -DLFS_READWRITE ulfs_readwrite.c
diffstat:
sys/ufs/lfs/lfs_vnops.c | 6 +--
sys/ufs/lfs/ulfs_readwrite.c | 59 +------------------------------------------
2 files changed, 4 insertions(+), 61 deletions(-)
diffs (215 lines):
diff -r a5de49e88b59 -r 6818fadf9d06 sys/ufs/lfs/lfs_vnops.c
--- a/sys/ufs/lfs/lfs_vnops.c Thu Jun 20 00:45:18 2019 +0000
+++ b/sys/ufs/lfs/lfs_vnops.c Thu Jun 20 00:49:11 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lfs_vnops.c,v 1.323 2019/01/01 10:06:55 hannken Exp $ */
+/* $NetBSD: lfs_vnops.c,v 1.324 2019/06/20 00:49:11 christos Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
@@ -125,7 +125,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: lfs_vnops.c,v 1.323 2019/01/01 10:06:55 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: lfs_vnops.c,v 1.324 2019/06/20 00:49:11 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd.h"
@@ -350,9 +350,7 @@
const struct vnodeopv_desc lfs_fifoop_opv_desc =
{ &lfs_fifoop_p, lfs_fifoop_entries };
-#define LFS_READWRITE
#include <ufs/lfs/ulfs_readwrite.c>
-#undef LFS_READWRITE
/*
* Allocate a new inode.
diff -r a5de49e88b59 -r 6818fadf9d06 sys/ufs/lfs/ulfs_readwrite.c
--- a/sys/ufs/lfs/ulfs_readwrite.c Thu Jun 20 00:45:18 2019 +0000
+++ b/sys/ufs/lfs/ulfs_readwrite.c Thu Jun 20 00:49:11 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ulfs_readwrite.c,v 1.24 2017/06/10 05:29:36 maya Exp $ */
+/* $NetBSD: ulfs_readwrite.c,v 1.25 2019/06/20 00:49:11 christos Exp $ */
/* from NetBSD: ufs_readwrite.c,v 1.120 2015/04/12 22:48:38 riastradh Exp */
/*-
@@ -33,9 +33,8 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: ulfs_readwrite.c,v 1.24 2017/06/10 05:29:36 maya Exp $");
+__KERNEL_RCSID(1, "$NetBSD: ulfs_readwrite.c,v 1.25 2019/06/20 00:49:11 christos Exp $");
-#ifdef LFS_READWRITE
#define FS struct lfs
#define I_FS i_lfs
#define READ lfs_read
@@ -46,17 +45,6 @@
#define BUFWR lfs_bufwr
#define fs_sb_getbsize(fs) lfs_sb_getbsize(fs)
#define fs_bmask lfs_bmask
-#else
-#define FS struct fs
-#define I_FS i_fs
-#define READ ffs_read
-#define READ_S "ffs_read"
-#define WRITE ffs_write
-#define WRITE_S "ffs_write"
-#define BUFRD ffs_bufrd
-#define BUFWR ffs_bufwr
-#define fs_sb_getbsize(fs) (fs)->fs_bsize
-#endif
static int ulfs_post_read_update(struct vnode *, int, int);
static int ulfs_post_write_update(struct vnode *, struct uio *, int,
@@ -95,20 +83,14 @@
/* XXX Eliminate me by refusing directory reads from userland. */
if (vp->v_type == VDIR)
return BUFRD(vp, uio, ioflag, ap->a_cred);
-#ifdef LFS_READWRITE
/* XXX Eliminate me by using ufs_bufio in lfs. */
if (vp->v_type == VREG && ip->i_number == LFS_IFILE_INUM)
return BUFRD(vp, uio, ioflag, ap->a_cred);
-#endif
if ((u_int64_t)uio->uio_offset > fs->um_maxfilesize)
return (EFBIG);
if (uio->uio_resid == 0)
return (0);
-#ifndef LFS_READWRITE
- if ((ip->i_flags & (SF_SNAPSHOT | SF_SNAPINVAL)) == SF_SNAPSHOT)
- return ffs_snapshot_read(vp, uio, ioflag);
-#endif /* !LFS_READWRITE */
if (uio->uio_offset >= ip->i_size)
goto out;
@@ -167,9 +149,6 @@
if (uio->uio_resid == 0)
return 0;
-#ifndef LFS_READWRITE
- KASSERT(!ISSET(ip->i_flags, (SF_SNAPSHOT | SF_SNAPINVAL)));
-#endif
if (uio->uio_offset >= ip->i_size)
goto out;
@@ -283,12 +262,10 @@
if (uio->uio_offset < 0 ||
(u_int64_t)uio->uio_offset + uio->uio_resid > fs->um_maxfilesize)
return (EFBIG);
-#ifdef LFS_READWRITE
/* Disallow writes to the Ifile, even if noschg flag is removed */
/* XXX can this go away when the Ifile is no longer in the namespace? */
if (vp == fs->lfs_ivnode)
return (EPERM);
-#endif
if (uio->uio_resid == 0)
return (0);
@@ -301,11 +278,9 @@
KASSERT(vp->v_type == VREG);
-#ifdef LFS_READWRITE
async = true;
lfs_availwait(fs, lfs_btofsb(fs, uio->uio_resid));
lfs_check(vp, LFS_UNUSED_LBN, 0);
-#endif /* !LFS_READWRITE */
preallocoff = round_page(lfs_blkroundup(fs, MAX(osize, uio->uio_offset)));
aflag = ioflag & IO_SYNC ? B_SYNC : 0;
@@ -420,18 +395,7 @@
* XXXUBC simplistic async flushing.
*/
-#ifndef LFS_READWRITE
- if (!async && oldoff >> 16 != uio->uio_offset >> 16) {
- mutex_enter(vp->v_interlock);
- error = VOP_PUTPAGES(vp, (oldoff >> 16) << 16,
- (uio->uio_offset >> 16) << 16,
- PGO_CLEANIT | PGO_LAZY);
- if (error)
- break;
- }
-#else
__USE(async);
-#endif
}
if (error == 0 && ioflag & IO_SYNC) {
mutex_enter(vp->v_interlock);
@@ -462,9 +426,7 @@
daddr_t lbn;
int extended=0;
int error;
-#ifdef LFS_READWRITE
bool need_unreserve = false;
-#endif
KASSERT(ISSET(ioflag, IO_NODELOCKED));
KASSERT(VOP_ISLOCKED(vp) == LK_EXCLUSIVE);
@@ -481,9 +443,7 @@
uio->uio_resid > fs->um_maxfilesize ||
uio->uio_offset > (fs->um_maxfilesize - uio->uio_resid))
return EFBIG;
-#ifdef LFS_READWRITE
KASSERT(vp != fs->lfs_ivnode);
-#endif
if (uio->uio_resid == 0)
return 0;
@@ -494,10 +454,8 @@
KASSERT(vp->v_type != VREG);
-#ifdef LFS_READWRITE
lfs_availwait(fs, lfs_btofsb(fs, uio->uio_resid));
lfs_check(vp, LFS_UNUSED_LBN, 0);
-#endif /* !LFS_READWRITE */
/* XXX Should never have pages cached here. */
KASSERT(vp->v_uobj.uo_npages == 0);
@@ -510,13 +468,11 @@
else
flags &= ~B_CLRBUF;
-#ifdef LFS_READWRITE
error = lfs_reserve(fs, vp, NULL,
lfs_btofsb(fs, (ULFS_NIADDR + 1) << lfs_sb_getbshift(fs)));
if (error)
break;
need_unreserve = true;
-#endif
error = lfs_balloc(vp, uio->uio_offset, xfersize, cred, flags,
&bp);
@@ -543,28 +499,17 @@
brelse(bp, BC_INVAL);
break;
}
-#ifdef LFS_READWRITE
(void)VOP_BWRITE(bp->b_vp, bp);
lfs_reserve(fs, vp, NULL,
-lfs_btofsb(fs, (ULFS_NIADDR + 1) << lfs_sb_getbshift(fs)));
need_unreserve = false;
-#else
- if (ioflag & IO_SYNC)
- (void)bwrite(bp);
- else if (xfersize + blkoffset == fs->fs_bsize)
- bawrite(bp);
- else
- bdwrite(bp);
-#endif
if (error || xfersize == 0)
break;
}
-#ifdef LFS_READWRITE
if (need_unreserve) {
lfs_reserve(fs, vp, NULL,
-lfs_btofsb(fs, (ULFS_NIADDR + 1) << lfs_sb_getbshift(fs)));
}
-#endif
error = ulfs_post_write_update(vp, uio, ioflag, cred, osize, resid,
extended, error);
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