FUSE_BLKSIZE
#define FUSE_BLKMASK (FUSE_BLKSIZE - 1)
#define FUSE_BLKMASK64 ((off_t)(FUSE_BLKSIZE - 1))
vinitvmio(vp, fnp->size, FUSE_BLKSIZE, -1);
error = nvtruncbuf(vp, newsize, FUSE_BLKSIZE, -1, 0);
error = nvextendbuf(vp, oldsize, newsize, FUSE_BLKSIZE,
FUSE_BLKSIZE, -1, -1, 0);
fii->max_readahead = FUSE_BLKSIZE;
sbp->f_iosize = FUSE_BLKSIZE;
sbp->f_frsize = FUSE_BLKSIZE;
fri->size = FUSE_BLKSIZE * 10;
FUSE_BLKSIZE, GETBLK_KVABIO);
FUSE_BLKSIZE,
FUSE_BLKSIZE, &bp);
len = FUSE_BLKSIZE - offset;
bwillwrite(FUSE_BLKSIZE);
if (len > FUSE_BLKSIZE - offset)
len = FUSE_BLKSIZE - offset;
if (base_offset + len == FUSE_BLKSIZE)
base_offset, FUSE_BLKSIZE,
base_offset, FUSE_BLKSIZE,
base_offset, FUSE_BLKSIZE,
error = bread_kvabio(vp, base_offset, FUSE_BLKSIZE, &bp);
cluster_write(bp, fnp->size, FUSE_BLKSIZE, seqcount);
error = nvtruncbuf(vp, newsize, FUSE_BLKSIZE, -1, nvextflags);
nblksize = FUSE_BLKSIZE;
FUSE_BLKSIZE, nblksize,
vap->va_blocksize = FUSE_BLKSIZE;