isblock
if(isblock(&sblock, cg_blksfree(&acg),
static int isblock(struct fs *, unsigned char *, int);
if(!isblock(&sblock, cg_blksfree(&acg), d/sblock.fs_frag)) {
if(isblock(&sblock, cg_blksfree(&acg), d/sblock.fs_frag)) {
if(isblock(&sblock, cg_blksfree(&acg), fragstoblks(&sblock,
if(isblock(&sblock, cg_blksfree(&acg), fragstoblks(&sblock,
if(isblock(&sblock, cg_blksfree(&acg),
if (isblock(&sblock, cg_blksfree(&acg), d / sblock.fs_frag))
int isblock(struct fs *, unsigned char *, int);