utilities.c (8509e9ca) utilities.c (bfbf29e2)
1/*
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
3 */
4
5/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
6/* All Rights Reserved */
7
8/*

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46#include <sys/stat.h>
47#include <sys/vfstab.h>
48#include <sys/sysmacros.h>
49#include <sys/fs/udf_volume.h>
50#include "fsck.h"
51#include <sys/lockfs.h>
52#include <locale.h>
53
1/*
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
3 */
4
5/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
6/* All Rights Reserved */
7
8/*

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46#include <sys/stat.h>
47#include <sys/vfstab.h>
48#include <sys/sysmacros.h>
49#include <sys/fs/udf_volume.h>
50#include "fsck.h"
51#include <sys/lockfs.h>
52#include <locale.h>
53
54static struct bufarea bufhead;
55
54extern int32_t verifytag(struct tag *, uint32_t, struct tag *, int);
55extern char *tagerrs[];
56extern void maketag(struct tag *, struct tag *);
57extern char *hasvfsopt(struct vfstab *, char *);
58static struct bufarea *getdatablk(daddr_t, long);
59static struct bufarea *getblk(struct bufarea *, daddr_t, long);
60
61void flush(int32_t, struct bufarea *);

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273 bp->b_un.b_buf = bufp;
274 bp->b_prev = &bufhead;
275 bp->b_next = bufhead.b_next;
276 bufhead.b_next->b_prev = bp;
277 bufhead.b_next = bp;
278 initbarea(bp);
279 }
280 bufhead.b_size = i; /* save number of buffers */
56extern int32_t verifytag(struct tag *, uint32_t, struct tag *, int);
57extern char *tagerrs[];
58extern void maketag(struct tag *, struct tag *);
59extern char *hasvfsopt(struct vfstab *, char *);
60static struct bufarea *getdatablk(daddr_t, long);
61static struct bufarea *getblk(struct bufarea *, daddr_t, long);
62
63void flush(int32_t, struct bufarea *);

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275 bp->b_un.b_buf = bufp;
276 bp->b_prev = &bufhead;
277 bp->b_next = bufhead.b_next;
278 bufhead.b_next->b_prev = bp;
279 bufhead.b_next = bp;
280 initbarea(bp);
281 }
282 bufhead.b_size = i; /* save number of buffers */
281 pbp = pdirbp = NULL;
282}
283
284/*
285 * Manage a cache of directory blocks.
286 */
287static struct bufarea *
288getdatablk(daddr_t blkno, long size)
289{

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359
360 for (bp = bufhead.b_prev; bp && bp != &bufhead; bp = nbp) {
361 cnt++;
362 flush(fswritefd, bp);
363 nbp = bp->b_prev;
364 free(bp->b_un.b_buf);
365 free((char *)bp);
366 }
283}
284
285/*
286 * Manage a cache of directory blocks.
287 */
288static struct bufarea *
289getdatablk(daddr_t blkno, long size)
290{

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360
361 for (bp = bufhead.b_prev; bp && bp != &bufhead; bp = nbp) {
362 cnt++;
363 flush(fswritefd, bp);
364 nbp = bp->b_prev;
365 free(bp->b_un.b_buf);
366 free((char *)bp);
367 }
367 pbp = pdirbp = NULL;
368 if (bufhead.b_size != cnt)
369 errexit(gettext("Panic: lost %d buffers\n"),
370 bufhead.b_size - cnt);
371 if (debug)
372 (void) printf("cache missed %ld of %ld (%ld%%)\n",
373 diskreads, totalreads,
374 totalreads ? diskreads * 100 / totalreads : 0);
375 (void) close(fsreadfd);

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369 errexit(gettext("Panic: lost %d buffers\n"),
370 bufhead.b_size - cnt);
371 if (debug)
372 (void) printf("cache missed %ld of %ld (%ld%%)\n",
373 diskreads, totalreads,
374 totalreads ? diskreads * 100 / totalreads : 0);
375 (void) close(fsreadfd);

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