fs_bmask
afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
sb->fs_bmask);
sblock.fs_bmask = ~(sblock.fs_bsize - 1);
sblock.fs_qbmask = ~sblock.fs_bmask;
((loc) & (fs)->fs_bmask)
fs->fs_bmask = fs->fs_bsize - 1;
fs->fs_qbmask = ~fs->fs_bmask;
FCHK(fs->fs_bmask, !=, ~(fs->fs_bsize - 1), %#jx);
FCHK(fs->fs_qbmask, !=, ~fs->fs_bmask, %#jx);
int32_t fs_bmask; /* ``blkoff'' calc of blk offsets */
(((size) + (fs)->fs_qbmask) & (fs)->fs_bmask)
int32_t fs_bmask; /* ``blkoff'' calc of blk offsets */
sblock.fs_bmask = ~(sblock.fs_bsize - 1);
sblock.fs_qbmask = ~sblock.fs_bmask;