/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the
+ * License may not be used to create, or enable the creation or
+ * redistribution of, unlawful or unlicensed copies of an Apple operating
+ * system, or to circumvent, violate, or enable the circumvention or
+ * violation of, any terms of an Apple operating system software license
+ * agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
#include <sys/param.h>
#include <sys/systm.h>
-#include <sys/buf.h>
+#include <sys/buf_internal.h>
#include <sys/proc.h>
-#include <sys/vnode.h>
-#include <sys/mount.h>
+#include <sys/kauth.h>
+#include <sys/vnode_internal.h>
+#include <sys/mount_internal.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
+#include <sys/quota.h>
#include <sys/vm.h>
extern u_long nextgennumber;
-static ufs_daddr_t ffs_alloccg __P((struct inode *, int, ufs_daddr_t, int));
-static ufs_daddr_t ffs_alloccgblk __P((struct fs *, struct cg *, ufs_daddr_t));
-static ufs_daddr_t ffs_clusteralloc __P((struct inode *, int, ufs_daddr_t,
- int));
-static ino_t ffs_dirpref __P((struct fs *));
-static ufs_daddr_t ffs_fragextend __P((struct inode *, int, long, int, int));
-static void ffs_fserr __P((struct fs *, u_int, char *));
+static ufs_daddr_t ffs_alloccg(struct inode *, int, ufs_daddr_t, int);
+static ufs_daddr_t ffs_alloccgblk(struct fs *, struct cg *, ufs_daddr_t);
+static ufs_daddr_t ffs_clusteralloc(struct inode *, int, ufs_daddr_t, int);
+static ino_t ffs_dirpref(struct inode *);
+static ufs_daddr_t ffs_fragextend(struct inode *, int, long, int, int);
+static void ffs_fserr(struct fs *, u_int, char *);
static u_long ffs_hashalloc
- __P((struct inode *, int, long, int, u_int32_t (*)()));
-static ino_t ffs_nodealloccg __P((struct inode *, int, ufs_daddr_t, int));
-static ufs_daddr_t ffs_mapsearch __P((struct fs *, struct cg *, ufs_daddr_t,
- int));
+ (struct inode *, int, long, int, u_int32_t (*)());
+static ino_t ffs_nodealloccg(struct inode *, int, ufs_daddr_t, int);
+static ufs_daddr_t ffs_mapsearch(struct fs *, struct cg *, ufs_daddr_t, int);
+static void ffs_clusteracct
+ (struct fs *fs, struct cg *cgp, ufs_daddr_t blkno, int cnt);
/*
* Allocate a block in the file system.
register struct inode *ip;
ufs_daddr_t lbn, bpref;
int size;
- struct ucred *cred;
+ kauth_cred_t cred;
ufs_daddr_t *bnp;
{
register struct fs *fs;
#endif /* DIAGNOSTIC */
if (size == fs->fs_bsize && fs->fs_cstotal.cs_nbfree == 0)
goto nospace;
- if (cred->cr_uid != 0 && freespace(fs, fs->fs_minfree) <= 0)
+ if (suser(cred, NULL) && freespace(fs, fs->fs_minfree) <= 0)
goto nospace;
- VOP_DEVBLOCKSIZE(ip->i_devvp,&devBlockSize);
+ devBlockSize = vfs_devblocksize(vnode_mount(ITOV(ip)));
#if QUOTA
- if (error = chkdq(ip, (long)btodb(size, devBlockSize), cred, 0))
+ if (error = chkdq(ip, (int64_t)size, cred, 0))
return (error);
#endif /* QUOTA */
if (bpref >= fs->fs_size)
/*
* Restore user's disk quota because allocation failed.
*/
- (void) chkdq(ip, (long)-btodb(size, devBlockSize), cred, FORCE);
+ (void) chkdq(ip, (int64_t)-size, cred, FORCE);
#endif /* QUOTA */
nospace:
- ffs_fserr(fs, cred->cr_uid, "file system full");
+ ffs_fserr(fs, kauth_cred_getuid(cred), "file system full");
uprintf("\n%s: write failed, file system is full\n", fs->fs_fsmnt);
return (ENOSPC);
}
ufs_daddr_t lbprev;
ufs_daddr_t bpref;
int osize, nsize;
- struct ucred *cred;
+ kauth_cred_t cred;
struct buf **bpp;
{
register struct fs *fs;
if (cred == NOCRED)
panic("ffs_realloccg: missing credential\n");
#endif /* DIAGNOSTIC */
- if (cred->cr_uid != 0 && freespace(fs, fs->fs_minfree) <= 0)
+ if (suser(cred, NULL) != 0 && freespace(fs, fs->fs_minfree) <= 0)
goto nospace;
if ((bprev = ip->i_db[lbprev]) == 0) {
printf("dev = 0x%x, bsize = %d, bprev = %d, fs = %s\n",
/*
* Allocate the extra space in the buffer.
*/
- if (error = bread(ITOV(ip), lbprev, osize, NOCRED, &bp)) {
- brelse(bp);
+ if (error = (int)buf_bread(ITOV(ip), (daddr64_t)((unsigned)lbprev), osize, NOCRED, &bp)) {
+ buf_brelse(bp);
return (error);
}
- VOP_DEVBLOCKSIZE(ip->i_devvp,&devBlockSize);
+ devBlockSize = vfs_devblocksize(vnode_mount(ITOV(ip)));
#if QUOTA
- if (error = chkdq(ip, (long)btodb(nsize - osize, devBlockSize), cred, 0))
+ if (error = chkdq(ip, (int64_t)(nsize - osize), cred, 0))
{
- brelse(bp);
+ buf_brelse(bp);
return (error);
}
#endif /* QUOTA */
*/
cg = dtog(fs, bprev);
if (bno = ffs_fragextend(ip, cg, (long)bprev, osize, nsize)) {
- if (bp->b_blkno != fsbtodb(fs, bno))
+ if ((ufs_daddr_t)buf_blkno(bp) != fsbtodb(fs, bno))
panic("bad blockno");
ip->i_blocks += btodb(nsize - osize, devBlockSize);
ip->i_flag |= IN_CHANGE | IN_UPDATE;
allocbuf(bp, nsize);
- bp->b_flags |= B_DONE;
- bzero((char *)bp->b_data + osize, (u_int)nsize - osize);
+ buf_setflags(bp, B_DONE);
+ bzero((char *)buf_dataptr(bp) + osize, (u_int)buf_size(bp) - osize);
*bpp = bp;
return (0);
}
bno = (ufs_daddr_t)ffs_hashalloc(ip, cg, (long)bpref, request,
(u_int32_t (*)())ffs_alloccg);
if (bno > 0) {
- bp->b_blkno = fsbtodb(fs, bno);
+ buf_setblkno(bp, (daddr64_t)((unsigned)fsbtodb(fs, bno)));
ffs_blkfree(ip, bprev, (long)osize);
if (nsize < request)
ffs_blkfree(ip, bno + numfrags(fs, nsize),
ip->i_blocks += btodb(nsize - osize, devBlockSize);
ip->i_flag |= IN_CHANGE | IN_UPDATE;
allocbuf(bp, nsize);
- bp->b_flags |= B_DONE;
- bzero((char *)bp->b_data + osize, (u_int)nsize - osize);
+ buf_setflags(bp, B_DONE);
+ bzero((char *)buf_dataptr(bp) + osize, (u_int)buf_size(bp) - osize);
*bpp = bp;
return (0);
}
/*
* Restore user's disk quota because allocation failed.
*/
- (void) chkdq(ip, (long)-btodb(nsize - osize, devBlockSize), cred, FORCE);
+ (void) chkdq(ip, (int64_t)-(nsize - osize), cred, FORCE);
#endif /* QUOTA */
- brelse(bp);
+ buf_brelse(bp);
nospace:
/*
* no space available
*/
- ffs_fserr(fs, cred->cr_uid, "file system full");
+ ffs_fserr(fs, kauth_cred_getuid(cred), "file system full");
uprintf("\n%s: write failed, file system is full\n", fs->fs_fsmnt);
return (ENOSPC);
}
int doasyncfree = 1;
int doreallocblks = 1;
-int
-ffs_reallocblks(ap)
- struct vop_reallocblks_args *ap;
-{
- return (ENOSPC);
-}
/*
* Allocate an inode in the file system.
* available inode is located.
*/
int
-ffs_valloc(ap)
- struct vop_valloc_args /* {
- struct vnode *a_pvp;
- int a_mode;
- struct ucred *a_cred;
- struct vnode **a_vpp;
- } */ *ap;
+ffs_valloc(
+ struct vnode *pvp,
+ mode_t mode,
+ kauth_cred_t cred,
+ struct vnode **vpp)
+
{
- register struct vnode *pvp = ap->a_pvp;
register struct inode *pip;
register struct fs *fs;
register struct inode *ip;
- mode_t mode = ap->a_mode;
+ struct timeval tv;
ino_t ino, ipref;
int cg, error;
- *ap->a_vpp = NULL;
+ *vpp = NULL;
pip = VTOI(pvp);
fs = pip->i_fs;
if (fs->fs_cstotal.cs_nifree == 0)
goto noinodes;
if ((mode & IFMT) == IFDIR)
- ipref = ffs_dirpref(fs);
+ ipref = ffs_dirpref(pip);
else
ipref = pip->i_number;
if (ipref >= fs->fs_ncg * fs->fs_ipg)
ipref = 0;
cg = ino_to_cg(fs, ipref);
+ /*
+ * Track the number of dirs created one after another
+ * in a cg without intervening files.
+ */
+ if ((mode & IFMT) == IFDIR) {
+ if (fs->fs_contigdirs[cg] < 255)
+ fs->fs_contigdirs[cg]++;
+ } else {
+ if (fs->fs_contigdirs[cg] > 0)
+ fs->fs_contigdirs[cg]--;
+ }
ino = (ino_t)ffs_hashalloc(pip, cg, (long)ipref, mode, ffs_nodealloccg);
if (ino == 0)
goto noinodes;
- error = VFS_VGET(pvp->v_mount, ino, ap->a_vpp);
+
+ error = ffs_vget_internal(pvp->v_mount, ino, vpp, NULL, NULL, mode, 0);
if (error) {
- VOP_VFREE(pvp, ino, mode);
+ ffs_vfree(pvp, ino, mode);
return (error);
}
- ip = VTOI(*ap->a_vpp);
+ ip = VTOI(*vpp);
+
if (ip->i_mode) {
printf("mode = 0%o, inum = %d, fs = %s\n",
ip->i_mode, ip->i_number, fs->fs_fsmnt);
/*
* Set up a new generation number for this inode.
*/
- if (++nextgennumber < (u_long)time.tv_sec)
- nextgennumber = time.tv_sec;
+ microtime(&tv);
+ if (++nextgennumber < (u_long)tv.tv_sec)
+ nextgennumber = tv.tv_sec;
ip->i_gen = nextgennumber;
return (0);
noinodes:
- ffs_fserr(fs, ap->a_cred->cr_uid, "out of inodes");
+ ffs_fserr(fs, kauth_cred_getuid(cred), "out of inodes");
uprintf("\n%s: create/symlink failed, no inodes free\n", fs->fs_fsmnt);
return (ENOSPC);
}
/*
- * Find a cylinder to place a directory.
+ * Find a cylinder group to place a directory.
*
- * The policy implemented by this algorithm is to select from
- * among those cylinder groups with above the average number of
- * free inodes, the one with the smallest number of directories.
+ * The policy implemented by this algorithm is to allocate a
+ * directory inode in the same cylinder group as its parent
+ * directory, but also to reserve space for its files inodes
+ * and data. Restrict the number of directories which may be
+ * allocated one after another in the same cylinder group
+ * without intervening allocation of files.
*/
static ino_t
-ffs_dirpref(fs)
- register struct fs *fs;
+ffs_dirpref(pip)
+ struct inode *pip;
{
- int cg, minndir, mincg, avgifree;
+ register struct fs *fs;
+ int cg, prefcg, dirsize, cgsize;
+ int avgifree, avgbfree, avgndir, curdirsize;
+ int minifree, minbfree, maxndir;
+ int mincg, minndir;
+ int maxcontigdirs;
+ fs = pip->i_fs;
avgifree = fs->fs_cstotal.cs_nifree / fs->fs_ncg;
- minndir = fs->fs_ipg;
- mincg = 0;
- for (cg = 0; cg < fs->fs_ncg; cg++)
- if (fs->fs_cs(fs, cg).cs_ndir < minndir &&
- fs->fs_cs(fs, cg).cs_nifree >= avgifree) {
- mincg = cg;
- minndir = fs->fs_cs(fs, cg).cs_ndir;
+ avgbfree = fs->fs_cstotal.cs_nbfree / fs->fs_ncg;
+ avgndir = fs->fs_cstotal.cs_ndir / fs->fs_ncg;
+
+ /*
+ * Force allocation in another cg if creating a first level dir.
+ */
+ if (ITOV(pip)->v_flag & VROOT) {
+#ifdef __APPLE__
+ prefcg = random() % fs->fs_ncg;
+#else
+ prefcg = arc4random() % fs->fs_ncg;
+#endif
+ mincg = prefcg;
+ minndir = fs->fs_ipg;
+ for (cg = prefcg; cg < fs->fs_ncg; cg++)
+ if (fs->fs_cs(fs, cg).cs_ndir < minndir &&
+ fs->fs_cs(fs, cg).cs_nifree >= avgifree &&
+ fs->fs_cs(fs, cg).cs_nbfree >= avgbfree) {
+ mincg = cg;
+ minndir = fs->fs_cs(fs, cg).cs_ndir;
+ }
+ for (cg = 0; cg < prefcg; cg++)
+ if (fs->fs_cs(fs, cg).cs_ndir < minndir &&
+ fs->fs_cs(fs, cg).cs_nifree >= avgifree &&
+ fs->fs_cs(fs, cg).cs_nbfree >= avgbfree) {
+ mincg = cg;
+ minndir = fs->fs_cs(fs, cg).cs_ndir;
+ }
+ return ((ino_t)(fs->fs_ipg * mincg));
+ }
+
+ /*
+ * Count various limits which used for
+ * optimal allocation of a directory inode.
+ */
+ maxndir = min(avgndir + fs->fs_ipg / 16, fs->fs_ipg);
+ minifree = avgifree - fs->fs_ipg / 4;
+ if (minifree < 0)
+ minifree = 0;
+ minbfree = avgbfree - fs->fs_fpg / fs->fs_frag / 4;
+ if (minbfree < 0)
+ minbfree = 0;
+ cgsize = fs->fs_fsize * fs->fs_fpg;
+ dirsize = fs->fs_avgfilesize * fs->fs_avgfpdir;
+ curdirsize = avgndir ? (cgsize - avgbfree * fs->fs_bsize) / avgndir : 0;
+ if (dirsize < curdirsize)
+ dirsize = curdirsize;
+ maxcontigdirs = min(cgsize / dirsize, 255);
+ if (fs->fs_avgfpdir > 0)
+ maxcontigdirs = min(maxcontigdirs,
+ fs->fs_ipg / fs->fs_avgfpdir);
+ if (maxcontigdirs == 0)
+ maxcontigdirs = 1;
+
+ /*
+ * Limit number of dirs in one cg and reserve space for
+ * regular files, but only if we have no deficit in
+ * inodes or space.
+ */
+ prefcg = ino_to_cg(fs, pip->i_number);
+ for (cg = prefcg; cg < fs->fs_ncg; cg++)
+ if (fs->fs_cs(fs, cg).cs_ndir < maxndir &&
+ fs->fs_cs(fs, cg).cs_nifree >= minifree &&
+ fs->fs_cs(fs, cg).cs_nbfree >= minbfree) {
+ if (fs->fs_contigdirs[cg] < maxcontigdirs)
+ return ((ino_t)(fs->fs_ipg * cg));
}
- return ((ino_t)(fs->fs_ipg * mincg));
+ for (cg = 0; cg < prefcg; cg++)
+ if (fs->fs_cs(fs, cg).cs_ndir < maxndir &&
+ fs->fs_cs(fs, cg).cs_nifree >= minifree &&
+ fs->fs_cs(fs, cg).cs_nbfree >= minbfree) {
+ if (fs->fs_contigdirs[cg] < maxcontigdirs)
+ return ((ino_t)(fs->fs_ipg * cg));
+ }
+ /*
+ * This is a backstop when we have deficit in space.
+ */
+ for (cg = prefcg; cg < fs->fs_ncg; cg++)
+ if (fs->fs_cs(fs, cg).cs_nifree >= avgifree)
+ return ((ino_t)(fs->fs_ipg * cg));
+ for (cg = 0; cg < prefcg; cg++)
+ if (fs->fs_cs(fs, cg).cs_nifree >= avgifree)
+ break;
+ return ((ino_t)(fs->fs_ipg * cg));
}
/*
register struct fs *fs;
register struct cg *cgp;
struct buf *bp;
+ struct timeval tv;
long bno;
int frags, bbase;
int i, error;
return (NULL);
}
/* read corresponding cylinder group info */
- error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
- (int)fs->fs_cgsize, NOCRED, &bp);
+ error = (int)buf_bread(ip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, cg))),
+ (int)fs->fs_cgsize, NOCRED, &bp);
if (error) {
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian) {
byte_swap_cgin(cgp, fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
- cgp->cg_time = time.tv_sec;
+ microtime(&tv);
+ cgp->cg_time = tv.tv_sec;
bno = dtogd(fs, bprev);
for (i = numfrags(fs, osize); i < frags; i++)
if (isclr(cg_blksfree(cgp), bno + i)) {
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
/*
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (bprev);
}
register struct fs *fs;
register struct cg *cgp;
struct buf *bp;
+ struct timeval tv;
register int i;
int error, bno, frags, allocsiz;
#if REV_ENDIAN_FS
fs = ip->i_fs;
if (fs->fs_cs(fs, cg).cs_nbfree == 0 && size == fs->fs_bsize)
return (NULL);
- error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
- (int)fs->fs_cgsize, NOCRED, &bp);
+ error = (int)buf_bread(ip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, cg))),
+ (int)fs->fs_cgsize, NOCRED, &bp);
if (error) {
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgin(cgp,fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
- cgp->cg_time = time.tv_sec;
+ microtime(&tv);
+ cgp->cg_time = tv.tv_sec;
if (size == fs->fs_bsize) {
bno = ffs_alloccgblk(fs, cgp, bpref);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (bno);
}
/*
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
bno = ffs_alloccgblk(fs, cgp, bpref);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (bno);
}
bno = ffs_mapsearch(fs, cgp, bpref, allocsiz);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
for (i = 0; i < frags; i++)
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (cg * fs->fs_fpg + bno);
}
fs = ip->i_fs;
if (fs->fs_maxcluster[cg] < len)
return (NULL);
- if (bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize,
- NOCRED, &bp))
+ if (buf_bread(ip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, cg))), (int)fs->fs_cgsize,
+ NOCRED, &bp))
goto fail;
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgin(cgp,fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (bno);
fail:
- brelse(bp);
+ buf_brelse(bp);
return (0);
}
register struct fs *fs;
register struct cg *cgp;
struct buf *bp;
+ struct timeval tv;
int error, start, len, loc, map, i;
#if REV_ENDIAN_FS
struct vnode *vp=ITOV(ip);
fs = ip->i_fs;
if (fs->fs_cs(fs, cg).cs_nifree == 0)
return (NULL);
- error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
- (int)fs->fs_cgsize, NOCRED, &bp);
+ error = (int)buf_bread(ip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, cg))),
+ (int)fs->fs_cgsize, NOCRED, &bp);
if (error) {
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgin(cgp,fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (NULL);
}
- cgp->cg_time = time.tv_sec;
+ microtime(&tv);
+ cgp->cg_time = tv.tv_sec;
if (ipref) {
ipref %= fs->fs_ipg;
if (isclr(cg_inosused(cgp), ipref))
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (cg * fs->fs_ipg + ipref);
}
* free map. If a fragment is deallocated, a possible
* block reassembly is checked.
*/
+void
ffs_blkfree(ip, bno, size)
register struct inode *ip;
ufs_daddr_t bno;
register struct fs *fs;
register struct cg *cgp;
struct buf *bp;
+ struct timeval tv;
ufs_daddr_t blkno;
int i, error, cg, blk, frags, bbase;
#if REV_ENDIAN_FS
struct mount *mp=vp->v_mount;
int rev_endian=(mp->mnt_flag & MNT_REVEND);
#endif /* REV_ENDIAN_FS */
+
fs = ip->i_fs;
if ((u_int)size > fs->fs_bsize || fragoff(fs, size) != 0) {
printf("dev = 0x%x, bsize = %d, size = %d, fs = %s\n",
ffs_fserr(fs, ip->i_uid, "bad block");
return;
}
- error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
- (int)fs->fs_cgsize, NOCRED, &bp);
+ error = (int)buf_bread(ip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, cg))),
+ (int)fs->fs_cgsize, NOCRED, &bp);
if (error) {
- brelse(bp);
+ buf_brelse(bp);
return;
}
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgin(cgp,fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return;
}
- cgp->cg_time = time.tv_sec;
+ microtime(&tv);
+ cgp->cg_time = tv.tv_sec;
bno = dtogd(fs, bno);
if (size == fs->fs_bsize) {
blkno = fragstoblks(fs, bno);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
}
#if DIAGNOSTIC
}
if ((u_int)bno >= fs->fs_size)
panic("checkblk: bad block %d", bno);
- error = bread(ip->i_devvp, fsbtodb(fs, cgtod(fs, dtog(fs, bno))),
- (int)fs->fs_cgsize, NOCRED, &bp);
+ error = (int)buf_bread(ip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, dtog(fs, bno)))),
+ (int)fs->fs_cgsize, NOCRED, &bp);
if (error) {
- brelse(bp);
+ buf_brelse(bp);
return;
}
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgin(cgp,fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return;
}
bno = dtogd(fs, bno);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (!free);
}
#endif /* DIAGNOSTIC */
* The specified inode is placed back in the free map.
*/
int
-ffs_vfree(ap)
- struct vop_vfree_args /* {
- struct vnode *a_pvp;
- ino_t a_ino;
- int a_mode;
- } */ *ap;
+ffs_vfree(struct vnode *vp, ino_t ino, int mode)
{
register struct fs *fs;
register struct cg *cgp;
register struct inode *pip;
- ino_t ino = ap->a_ino;
struct buf *bp;
+ struct timeval tv;
int error, cg;
#if REV_ENDIAN_FS
- struct vnode *vp=ap->a_pvp;
struct mount *mp=vp->v_mount;
int rev_endian=(mp->mnt_flag & MNT_REVEND);
#endif /* REV_ENDIAN_FS */
- pip = VTOI(ap->a_pvp);
+ pip = VTOI(vp);
fs = pip->i_fs;
if ((u_int)ino >= fs->fs_ipg * fs->fs_ncg)
panic("ifree: range: dev = 0x%x, ino = %d, fs = %s\n",
pip->i_dev, ino, fs->fs_fsmnt);
cg = ino_to_cg(fs, ino);
- error = bread(pip->i_devvp, fsbtodb(fs, cgtod(fs, cg)),
- (int)fs->fs_cgsize, NOCRED, &bp);
+ error = (int)buf_bread(pip->i_devvp, (daddr64_t)((unsigned)fsbtodb(fs, cgtod(fs, cg))),
+ (int)fs->fs_cgsize, NOCRED, &bp);
if (error) {
- brelse(bp);
+ buf_brelse(bp);
return (0);
}
- cgp = (struct cg *)bp->b_data;
+ cgp = (struct cg *)buf_dataptr(bp);
#if REV_ENDIAN_FS
if (rev_endian)
byte_swap_cgin(cgp,fs);
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- brelse(bp);
+ buf_brelse(bp);
return (0);
}
- cgp->cg_time = time.tv_sec;
+ microtime(&tv);
+ cgp->cg_time = tv.tv_sec;
ino %= fs->fs_ipg;
if (isclr(cg_inosused(cgp), ino)) {
printf("dev = 0x%x, ino = %d, fs = %s\n",
cgp->cg_cs.cs_nifree++;
fs->fs_cstotal.cs_nifree++;
fs->fs_cs(fs, cg).cs_nifree++;
- if ((ap->a_mode & IFMT) == IFDIR) {
+ if ((mode & IFMT) == IFDIR) {
cgp->cg_cs.cs_ndir--;
fs->fs_cstotal.cs_ndir--;
fs->fs_cs(fs, cg).cs_ndir--;
if (rev_endian)
byte_swap_cgout(cgp,fs);
#endif /* REV_ENDIAN_FS */
- bdwrite(bp);
+ buf_bdwrite(bp);
return (0);
}
*
* Cnt == 1 means free; cnt == -1 means allocating.
*/
-ffs_clusteracct(fs, cgp, blkno, cnt)
- struct fs *fs;
- struct cg *cgp;
- ufs_daddr_t blkno;
- int cnt;
+static void
+ffs_clusteracct(struct fs *fs, struct cg *cgp, ufs_daddr_t blkno, int cnt)
{
int32_t *sump;
int32_t *lp;
projects / apple / xnu.git / blobdiff