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ext2 fixes (Steve VanDeBogart)

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rsc 2006-06-15 04:35:57 +00:00
parent 751ff8ab61
commit 9bbcb80d35
1 changed files with 5 additions and 4 deletions
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9
src/libdiskfs/ext2.c
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@ -88,7 +88,7 @@ ext2blockread(Fsys *fsys, u64int vbno)
Group *g;
Block *gb;
uchar *bits;
u32int bno, boff;
u32int bno, boff, bitpos;
Ext2 *fs;
fs = fsys->priv;
@ -115,11 +115,12 @@ ext2blockread(Fsys *fsys, u64int vbno)
if(debug)
fprint(2, "group %d bitblock=%d...", bno/fs->blockspergroup, g->bitblock);
*/
bitpos = (u64int)g->bitblock*fs->blocksize;
blockput(gb);
if((bitb = diskread(fs->disk, fs->blocksize, (u64int)g->bitblock*fs->blocksize)) == nil){
if((bitb = diskread(fs->disk, fs->blocksize, bitpos)) == nil){
if(debug)
fprint(2, "loading bitblock: %r...");
blockput(gb);
return nil;
}
bits = bitb->data;
@ -128,9 +129,9 @@ ext2blockread(Fsys *fsys, u64int vbno)
if(debug)
fprint(2, "block %d not allocated...", bno);
blockput(bitb);
blockput(gb);
return nil;
}
blockput(bitb);
bno += fs->firstblock;
return diskread(fs->disk, fs->blocksize, (u64int)bno*fs->blocksize);