hjfs: Clear all refs to zero when reaming.
And a couple clarity/formatting changes
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1e2d95a803
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8dd9f0e970
2 changed files with 7 additions and 8 deletions
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@ -80,7 +80,8 @@ enum {
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DENTRYSIZ = NAMELEN + 4 * sizeof(ushort) + 13 + (3 + NDIRECT + NINDIRECT) * sizeof(uvlong),
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DEPERBLK = RBLOCK / DENTRYSIZ,
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OFFPERBLK = RBLOCK / 12,
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REFPERBLK = RBLOCK / 3,
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REFSIZ = 3,
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REFPERBLK = RBLOCK / REFSIZ,
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};
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struct BufReq {
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@ -232,5 +233,4 @@ enum { /* getblk modes */
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GBOVERWR = 3,
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};
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#define HOWMANY(a, b) (((a)+((b)-1))/(b))
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#define ROUNDUP(a, b) (HOWMANY(a,b)*(b))
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#define HOWMANY(a) (((a)+(RBLOCK-1))/RBLOCK)
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@ -106,8 +106,7 @@ getfree(Fs *fs, uvlong *r)
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b->refs[j] = 1;
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*r = l;
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have = 1;
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}
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else if(nbsend(fs->freelist, &l) <= 0)
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}else if(nbsend(fs->freelist, &l) <= 0)
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goto found;
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}
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if(have)
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@ -259,7 +258,7 @@ ream(Fs *fs)
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b->sb.size = d->size;
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b->sb.fstart = SUPERBLK + 1;
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fs->fstart = b->sb.fstart;
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b->sb.fend = b->sb.fstart + HOWMANY(b->sb.size * 3, RBLOCK);
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b->sb.fend = b->sb.fstart + HOWMANY(b->sb.size * REFSIZ);
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b->sb.qidpath = DUMPROOTQID + 1;
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firsti = b->sb.fstart + SUPERBLK / REFPERBLK;
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lasti = b->sb.fstart + b->sb.fend / REFPERBLK;
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@ -267,7 +266,7 @@ ream(Fs *fs)
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c = getbuf(d, i, TREF, 1);
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if(c == nil)
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goto err;
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memset(c->refs, 0, sizeof(b->data));
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memset(c->refs, 0, sizeof(c->refs));
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if(i >= firsti && i <= lasti){
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j = 0;
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je = REFPERBLK;
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@ -760,7 +759,7 @@ trunc(Fs *fs, FLoc *ll, Buf *bd, uvlong size)
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return -1;
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if(size >= d->size)
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goto done;
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blk = HOWMANY(size, RBLOCK);
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blk = HOWMANY(size);
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while(blk < NDIRECT){
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if(d->db[blk] != 0){
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putfree(fs, d->db[blk]);
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