fs/zfs/zvol.c

243 zvol_size_changed(zvol_state_t *zv, uint64_t volsize)
248 	zv->zv_volsize = volsize;
250 	    "Size", volsize) == DDI_SUCCESS);
252 	    "Nblocks", lbtodb(volsize)) == DDI_SUCCESS);
258 	zv->zv_volsize = volsize;
273 zvol_check_volsize(uint64_t volsize, uint64_t blocksize)
275 	if (volsize == 0)
278 	if (volsize % blocksize != 0)
282 	if (volsize - 1 > SPEC_MAXOFFSET_T)
438 	uint64_t volblocksize, volsize;
441 	    zfs_prop_to_name(ZFS_PROP_VOLSIZE), &volsize) == 0);
463 	error = zap_update(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize, tx);
592 	uint64_t volsize, mode;
658 	error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize);
671 	zv->zv_volsize = volsize;
810 	uint64_t volsize;
821 	error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize);
834 	zvol_size_changed(zv, volsize);
910 zvol_update_volsize(objset_t *os, uint64_t volsize)
927 	    &volsize, tx);
932 		    ZVOL_OBJ, volsize, DMU_OBJECT_END);
983 zvol_update_live_volsize(zvol_state_t *zv, uint64_t volsize)
993 	 * its original size.  We must set the new volsize prior
998 	zvol_size_changed(zv, volsize);
1040 zvol_set_volsize(const char *name, uint64_t volsize)
1073 	    (error = zvol_check_volsize(volsize, doi.doi_data_block_size)) != 0)
1076 	error = zvol_update_volsize(os, volsize);
1079 		error = zvol_update_live_volsize(zv, volsize);
1530 	uint64_t off, volsize;
1601 	volsize = zv->zv_volsize;
1611 	if (resid > 0 && (off < 0 || off >= volsize)) {
1626 	if (resid > 0 && (off < 0 || off >= volsize)) {
1659 	while (resid != 0 && off < volsize) {
1701 		bioerror(bp, off > volsize ? EINVAL : error);
1710 	if (bp->bio_completed < bp->bio_length && off > volsize)
1787 	uint64_t volsize;
1799 	volsize = zv->zv_volsize;
1800 	/* uio_loffset == volsize isn't an error as its required for EOF processing. */
1802 	    (uio->uio_loffset < 0 || uio->uio_loffset > volsize))
1815 	while (uio->uio_resid > 0 && uio->uio_loffset < volsize) {
1819 		if (bytes > volsize - uio->uio_loffset)
1820 			bytes = volsize - uio->uio_loffset;
1846 	uint64_t volsize;
1859 	volsize = zv->zv_volsize;
1860 	/* uio_loffset == volsize isn't an error as its required for EOF processing. */
1862 	    (uio->uio_loffset < 0 || uio->uio_loffset > volsize))
1880 	while (uio->uio_resid > 0 && uio->uio_loffset < volsize) {
1885 		if (bytes > volsize - off)	/* don't write past the end */
1886 			bytes = volsize - off;