text2 fixes (Steve VanDeBogart) - plan9port - [fork] Plan 9 from user space
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       ---
 (DIR) commit 9bbcb80d35f8868a90603368078f91ba56cfe0d3
 (DIR) parent 751ff8ab61cc89cc7c351e1874720a61b865077f
 (HTM) Author: rsc <devnull@localhost>
       Date:   Thu, 15 Jun 2006 04:35:57 +0000
       
       ext2 fixes (Steve VanDeBogart)
       
       Diffstat:
         M src/libdiskfs/ext2.c                |       9 +++++----
       
       1 file changed, 5 insertions(+), 4 deletions(-)
       ---
 (DIR) diff --git a/src/libdiskfs/ext2.c b/src/libdiskfs/ext2.c
       t@@ -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;
       t@@ -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;
       t@@ -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);