10a586ceaSMark Shellenbaum /* 20a586ceaSMark Shellenbaum * CDDL HEADER START 30a586ceaSMark Shellenbaum * 40a586ceaSMark Shellenbaum * The contents of this file are subject to the terms of the 50a586ceaSMark Shellenbaum * Common Development and Distribution License (the "License"). 60a586ceaSMark Shellenbaum * You may not use this file except in compliance with the License. 70a586ceaSMark Shellenbaum * 80a586ceaSMark Shellenbaum * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90a586ceaSMark Shellenbaum * or http://www.opensolaris.org/os/licensing. 100a586ceaSMark Shellenbaum * See the License for the specific language governing permissions 110a586ceaSMark Shellenbaum * and limitations under the License. 120a586ceaSMark Shellenbaum * 130a586ceaSMark Shellenbaum * When distributing Covered Code, include this CDDL HEADER in each 140a586ceaSMark Shellenbaum * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150a586ceaSMark Shellenbaum * If applicable, add the following below this CDDL HEADER, with the 160a586ceaSMark Shellenbaum * fields enclosed by brackets "[]" replaced with your own identifying 170a586ceaSMark Shellenbaum * information: Portions Copyright [yyyy] [name of copyright owner] 180a586ceaSMark Shellenbaum * 190a586ceaSMark Shellenbaum * CDDL HEADER END 200a586ceaSMark Shellenbaum */ 210a586ceaSMark Shellenbaum /* 22*8f2529deSMark Shellenbaum * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 230a586ceaSMark Shellenbaum */ 240a586ceaSMark Shellenbaum 250a586ceaSMark Shellenbaum #include <sys/types.h> 260a586ceaSMark Shellenbaum #include <sys/param.h> 270a586ceaSMark Shellenbaum #include <sys/vnode.h> 280a586ceaSMark Shellenbaum #include <sys/sa.h> 290a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 300a586ceaSMark Shellenbaum #include <sys/zfs_sa.h> 310a586ceaSMark Shellenbaum 320a586ceaSMark Shellenbaum /* 330a586ceaSMark Shellenbaum * ZPL attribute registration table. 340a586ceaSMark Shellenbaum * Order of attributes doesn't matter 350a586ceaSMark Shellenbaum * a unique value will be assigned for each 360a586ceaSMark Shellenbaum * attribute that is file system specific 370a586ceaSMark Shellenbaum * 380a586ceaSMark Shellenbaum * This is just the set of ZPL attributes that this 390a586ceaSMark Shellenbaum * version of ZFS deals with natively. The file system 400a586ceaSMark Shellenbaum * could have other attributes stored in files, but they will be 410a586ceaSMark Shellenbaum * ignored. The SA framework will preserve them, just that 420a586ceaSMark Shellenbaum * this version of ZFS won't change or delete them. 430a586ceaSMark Shellenbaum */ 440a586ceaSMark Shellenbaum 450a586ceaSMark Shellenbaum sa_attr_reg_t zfs_attr_table[ZPL_END+1] = { 460a586ceaSMark Shellenbaum {"ZPL_ATIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 0}, 470a586ceaSMark Shellenbaum {"ZPL_MTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 1}, 480a586ceaSMark Shellenbaum {"ZPL_CTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 2}, 490a586ceaSMark Shellenbaum {"ZPL_CRTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 3}, 500a586ceaSMark Shellenbaum {"ZPL_GEN", sizeof (uint64_t), SA_UINT64_ARRAY, 4}, 510a586ceaSMark Shellenbaum {"ZPL_MODE", sizeof (uint64_t), SA_UINT64_ARRAY, 5}, 520a586ceaSMark Shellenbaum {"ZPL_SIZE", sizeof (uint64_t), SA_UINT64_ARRAY, 6}, 530a586ceaSMark Shellenbaum {"ZPL_PARENT", sizeof (uint64_t), SA_UINT64_ARRAY, 7}, 540a586ceaSMark Shellenbaum {"ZPL_LINKS", sizeof (uint64_t), SA_UINT64_ARRAY, 8}, 550a586ceaSMark Shellenbaum {"ZPL_XATTR", sizeof (uint64_t), SA_UINT64_ARRAY, 9}, 560a586ceaSMark Shellenbaum {"ZPL_RDEV", sizeof (uint64_t), SA_UINT64_ARRAY, 10}, 570a586ceaSMark Shellenbaum {"ZPL_FLAGS", sizeof (uint64_t), SA_UINT64_ARRAY, 11}, 580a586ceaSMark Shellenbaum {"ZPL_UID", sizeof (uint64_t), SA_UINT64_ARRAY, 12}, 590a586ceaSMark Shellenbaum {"ZPL_GID", sizeof (uint64_t), SA_UINT64_ARRAY, 13}, 600a586ceaSMark Shellenbaum {"ZPL_PAD", sizeof (uint64_t) * 4, SA_UINT64_ARRAY, 14}, 610a586ceaSMark Shellenbaum {"ZPL_ZNODE_ACL", 88, SA_UINT8_ARRAY, 15}, 620a586ceaSMark Shellenbaum {"ZPL_DACL_COUNT", sizeof (uint64_t), SA_UINT64_ARRAY, 0}, 630a586ceaSMark Shellenbaum {"ZPL_SYMLINK", 0, SA_UINT8_ARRAY, 0}, 640a586ceaSMark Shellenbaum {"ZPL_SCANSTAMP", 32, SA_UINT8_ARRAY, 0}, 650a586ceaSMark Shellenbaum {"ZPL_DACL_ACES", 0, SA_ACL, 0}, 660a586ceaSMark Shellenbaum {NULL, 0, 0, 0} 670a586ceaSMark Shellenbaum }; 680a586ceaSMark Shellenbaum 690a586ceaSMark Shellenbaum #ifdef _KERNEL 700a586ceaSMark Shellenbaum 710a586ceaSMark Shellenbaum int 720a586ceaSMark Shellenbaum zfs_sa_readlink(znode_t *zp, uio_t *uio) 730a586ceaSMark Shellenbaum { 740a586ceaSMark Shellenbaum dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); 750a586ceaSMark Shellenbaum size_t bufsz; 760a586ceaSMark Shellenbaum int error; 770a586ceaSMark Shellenbaum 780a586ceaSMark Shellenbaum bufsz = zp->z_size; 79faba5ca1SMark Shellenbaum if (bufsz + ZFS_OLD_ZNODE_PHYS_SIZE <= db->db_size) { 800a586ceaSMark Shellenbaum error = uiomove((caddr_t)db->db_data + 810a586ceaSMark Shellenbaum ZFS_OLD_ZNODE_PHYS_SIZE, 820a586ceaSMark Shellenbaum MIN((size_t)bufsz, uio->uio_resid), UIO_READ, uio); 830a586ceaSMark Shellenbaum } else { 840a586ceaSMark Shellenbaum dmu_buf_t *dbp; 850a586ceaSMark Shellenbaum if ((error = dmu_buf_hold(zp->z_zfsvfs->z_os, zp->z_id, 860a586ceaSMark Shellenbaum 0, FTAG, &dbp)) == 0) { 870a586ceaSMark Shellenbaum error = uiomove(dbp->db_data, 880a586ceaSMark Shellenbaum MIN((size_t)bufsz, uio->uio_resid), UIO_READ, uio); 890a586ceaSMark Shellenbaum dmu_buf_rele(dbp, FTAG); 900a586ceaSMark Shellenbaum } 910a586ceaSMark Shellenbaum } 920a586ceaSMark Shellenbaum return (error); 930a586ceaSMark Shellenbaum } 940a586ceaSMark Shellenbaum 950a586ceaSMark Shellenbaum void 960a586ceaSMark Shellenbaum zfs_sa_symlink(znode_t *zp, char *link, int len, dmu_tx_t *tx) 970a586ceaSMark Shellenbaum { 980a586ceaSMark Shellenbaum dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); 990a586ceaSMark Shellenbaum 1000a586ceaSMark Shellenbaum if (ZFS_OLD_ZNODE_PHYS_SIZE + len <= dmu_bonus_max()) { 1010a586ceaSMark Shellenbaum VERIFY(dmu_set_bonus(db, 1020a586ceaSMark Shellenbaum len + ZFS_OLD_ZNODE_PHYS_SIZE, tx) == 0); 1030a586ceaSMark Shellenbaum if (len) { 1040a586ceaSMark Shellenbaum bcopy(link, (caddr_t)db->db_data + 1050a586ceaSMark Shellenbaum ZFS_OLD_ZNODE_PHYS_SIZE, len); 1060a586ceaSMark Shellenbaum } 1070a586ceaSMark Shellenbaum } else { 1080a586ceaSMark Shellenbaum dmu_buf_t *dbp; 1090a586ceaSMark Shellenbaum 1100a586ceaSMark Shellenbaum zfs_grow_blocksize(zp, len, tx); 1110a586ceaSMark Shellenbaum VERIFY(0 == dmu_buf_hold(zp->z_zfsvfs->z_os, 1120a586ceaSMark Shellenbaum zp->z_id, 0, FTAG, &dbp)); 1130a586ceaSMark Shellenbaum 1140a586ceaSMark Shellenbaum dmu_buf_will_dirty(dbp, tx); 1150a586ceaSMark Shellenbaum 1160a586ceaSMark Shellenbaum ASSERT3U(len, <=, dbp->db_size); 1170a586ceaSMark Shellenbaum bcopy(link, dbp->db_data, len); 1180a586ceaSMark Shellenbaum dmu_buf_rele(dbp, FTAG); 1190a586ceaSMark Shellenbaum } 1200a586ceaSMark Shellenbaum } 1210a586ceaSMark Shellenbaum 1220a586ceaSMark Shellenbaum void 1230a586ceaSMark Shellenbaum zfs_sa_get_scanstamp(znode_t *zp, xvattr_t *xvap) 1240a586ceaSMark Shellenbaum { 1250a586ceaSMark Shellenbaum zfsvfs_t *zfsvfs = zp->z_zfsvfs; 1260a586ceaSMark Shellenbaum xoptattr_t *xoap; 1270a586ceaSMark Shellenbaum 1280a586ceaSMark Shellenbaum VERIFY((xoap = xva_getxoptattr(xvap)) != NULL); 1290a586ceaSMark Shellenbaum if (zp->z_is_sa) { 1300a586ceaSMark Shellenbaum if (sa_lookup(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zfsvfs), 1310a586ceaSMark Shellenbaum &xoap->xoa_av_scanstamp, 1320a586ceaSMark Shellenbaum sizeof (xoap->xoa_av_scanstamp)) != 0) 1330a586ceaSMark Shellenbaum return; 1340a586ceaSMark Shellenbaum } else { 1350a586ceaSMark Shellenbaum dmu_object_info_t doi; 1360a586ceaSMark Shellenbaum dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); 1370a586ceaSMark Shellenbaum int len; 1380a586ceaSMark Shellenbaum 1390a586ceaSMark Shellenbaum if (!(zp->z_pflags & ZFS_BONUS_SCANSTAMP)) 1400a586ceaSMark Shellenbaum return; 1410a586ceaSMark Shellenbaum 1420a586ceaSMark Shellenbaum sa_object_info(zp->z_sa_hdl, &doi); 1430a586ceaSMark Shellenbaum len = sizeof (xoap->xoa_av_scanstamp) + 1440a586ceaSMark Shellenbaum ZFS_OLD_ZNODE_PHYS_SIZE; 1450a586ceaSMark Shellenbaum 1460a586ceaSMark Shellenbaum if (len <= doi.doi_bonus_size) { 1470a586ceaSMark Shellenbaum (void) memcpy(xoap->xoa_av_scanstamp, 1480a586ceaSMark Shellenbaum (caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, 1490a586ceaSMark Shellenbaum sizeof (xoap->xoa_av_scanstamp)); 1500a586ceaSMark Shellenbaum } 1510a586ceaSMark Shellenbaum } 1520a586ceaSMark Shellenbaum XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP); 1530a586ceaSMark Shellenbaum } 1540a586ceaSMark Shellenbaum 1550a586ceaSMark Shellenbaum void 1560a586ceaSMark Shellenbaum zfs_sa_set_scanstamp(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx) 1570a586ceaSMark Shellenbaum { 1580a586ceaSMark Shellenbaum zfsvfs_t *zfsvfs = zp->z_zfsvfs; 1590a586ceaSMark Shellenbaum xoptattr_t *xoap; 1600a586ceaSMark Shellenbaum 1610a586ceaSMark Shellenbaum VERIFY((xoap = xva_getxoptattr(xvap)) != NULL); 1620a586ceaSMark Shellenbaum if (zp->z_is_sa) 1630a586ceaSMark Shellenbaum VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zfsvfs), 1640a586ceaSMark Shellenbaum &xoap->xoa_av_scanstamp, 1650a586ceaSMark Shellenbaum sizeof (xoap->xoa_av_scanstamp), tx)); 1660a586ceaSMark Shellenbaum else { 1670a586ceaSMark Shellenbaum dmu_object_info_t doi; 1680a586ceaSMark Shellenbaum dmu_buf_t *db = sa_get_db(zp->z_sa_hdl); 1690a586ceaSMark Shellenbaum int len; 1700a586ceaSMark Shellenbaum 1710a586ceaSMark Shellenbaum sa_object_info(zp->z_sa_hdl, &doi); 1720a586ceaSMark Shellenbaum len = sizeof (xoap->xoa_av_scanstamp) + 1730a586ceaSMark Shellenbaum ZFS_OLD_ZNODE_PHYS_SIZE; 1740a586ceaSMark Shellenbaum if (len > doi.doi_bonus_size) 1750a586ceaSMark Shellenbaum VERIFY(dmu_set_bonus(db, len, tx) == 0); 1760a586ceaSMark Shellenbaum (void) memcpy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, 1770a586ceaSMark Shellenbaum xoap->xoa_av_scanstamp, sizeof (xoap->xoa_av_scanstamp)); 1780a586ceaSMark Shellenbaum 1790a586ceaSMark Shellenbaum zp->z_pflags |= ZFS_BONUS_SCANSTAMP; 1800a586ceaSMark Shellenbaum VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zfsvfs), 1810a586ceaSMark Shellenbaum &zp->z_pflags, sizeof (uint64_t), tx)); 1820a586ceaSMark Shellenbaum } 1830a586ceaSMark Shellenbaum } 1840a586ceaSMark Shellenbaum 1850a586ceaSMark Shellenbaum /* 1860a586ceaSMark Shellenbaum * I'm not convinced we should do any of this upgrade. 1870a586ceaSMark Shellenbaum * since the SA code can read both old/new znode formats 1880a586ceaSMark Shellenbaum * with probably little to know performance difference. 1890a586ceaSMark Shellenbaum * 1900a586ceaSMark Shellenbaum * All new files will be created with the new format. 1910a586ceaSMark Shellenbaum */ 1920a586ceaSMark Shellenbaum 1930a586ceaSMark Shellenbaum void 1940a586ceaSMark Shellenbaum zfs_sa_upgrade(sa_handle_t *hdl, dmu_tx_t *tx) 1950a586ceaSMark Shellenbaum { 1960a586ceaSMark Shellenbaum dmu_buf_t *db = sa_get_db(hdl); 1970a586ceaSMark Shellenbaum znode_t *zp = sa_get_userdata(hdl); 1980a586ceaSMark Shellenbaum zfsvfs_t *zfsvfs = zp->z_zfsvfs; 1990a586ceaSMark Shellenbaum sa_bulk_attr_t bulk[20]; 2000a586ceaSMark Shellenbaum int count = 0; 2010a586ceaSMark Shellenbaum sa_bulk_attr_t sa_attrs[20] = { 0 }; 2020a586ceaSMark Shellenbaum zfs_acl_locator_cb_t locate = { 0 }; 2030a586ceaSMark Shellenbaum uint64_t uid, gid, mode, rdev, xattr, parent; 2040a586ceaSMark Shellenbaum uint64_t crtime[2], mtime[2], ctime[2]; 2050a586ceaSMark Shellenbaum zfs_acl_phys_t znode_acl; 2060a586ceaSMark Shellenbaum char *slink = NULL; 2070a586ceaSMark Shellenbaum char scanstamp[AV_SCANSTAMP_SZ]; 2080a586ceaSMark Shellenbaum 2090a586ceaSMark Shellenbaum /* 2100a586ceaSMark Shellenbaum * No upgrade if ACL isn't cached 2110a586ceaSMark Shellenbaum * since we won't know which locks are held 2120a586ceaSMark Shellenbaum * and ready the ACL would require special "locked" 2130a586ceaSMark Shellenbaum * interfaces that would be messy 2140a586ceaSMark Shellenbaum */ 2150a586ceaSMark Shellenbaum if (zp->z_acl_cached == NULL) 2160a586ceaSMark Shellenbaum return; 2170a586ceaSMark Shellenbaum 2180a586ceaSMark Shellenbaum /* First do a bulk query of the attributes that aren't cached */ 2190a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zfsvfs), NULL, &mtime, 16); 2200a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs), NULL, &ctime, 16); 2210a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CRTIME(zfsvfs), NULL, &crtime, 16); 2220a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8); 2230a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zfsvfs), NULL, &parent, 8); 2240a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_XATTR(zfsvfs), NULL, &xattr, 8); 2250a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_RDEV(zfsvfs), NULL, &rdev, 8); 2260a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zfsvfs), NULL, &uid, 8); 2270a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zfsvfs), NULL, &gid, 8); 2280a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ZNODE_ACL(zfsvfs), NULL, 2290a586ceaSMark Shellenbaum &znode_acl, 88); 2300a586ceaSMark Shellenbaum 2310a586ceaSMark Shellenbaum if (sa_bulk_lookup_locked(hdl, bulk, count) != 0) 2320a586ceaSMark Shellenbaum return; 2330a586ceaSMark Shellenbaum 2340a586ceaSMark Shellenbaum 2350a586ceaSMark Shellenbaum /* 2360a586ceaSMark Shellenbaum * While the order here doesn't matter its best to try and organize 2370a586ceaSMark Shellenbaum * it is such a way to pick up an already existing layout number 2380a586ceaSMark Shellenbaum */ 2390a586ceaSMark Shellenbaum count = 0; 2400a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8); 2410a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SIZE(zfsvfs), NULL, 2420a586ceaSMark Shellenbaum &zp->z_size, 8); 2430a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GEN(zfsvfs), 2440a586ceaSMark Shellenbaum NULL, &zp->z_gen, 8); 2450a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_UID(zfsvfs), NULL, &uid, 8); 2460a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GID(zfsvfs), NULL, &gid, 8); 2470a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_PARENT(zfsvfs), 2480a586ceaSMark Shellenbaum NULL, &parent, 8); 2490a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_FLAGS(zfsvfs), NULL, 2500a586ceaSMark Shellenbaum &zp->z_pflags, 8); 2510a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_ATIME(zfsvfs), NULL, 2520a586ceaSMark Shellenbaum zp->z_atime, 16); 2530a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MTIME(zfsvfs), NULL, 2540a586ceaSMark Shellenbaum &mtime, 16); 2550a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CTIME(zfsvfs), NULL, 2560a586ceaSMark Shellenbaum &ctime, 16); 2570a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CRTIME(zfsvfs), NULL, 2580a586ceaSMark Shellenbaum &crtime, 16); 2590a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_LINKS(zfsvfs), NULL, 2600a586ceaSMark Shellenbaum &zp->z_links, 8); 2610a586ceaSMark Shellenbaum if (zp->z_vnode->v_type == VBLK || zp->z_vnode->v_type == VCHR) 2620a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_RDEV(zfsvfs), NULL, 2630a586ceaSMark Shellenbaum &rdev, 8); 2640a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_COUNT(zfsvfs), NULL, 2650a586ceaSMark Shellenbaum &zp->z_acl_cached->z_acl_count, 8); 2660a586ceaSMark Shellenbaum 2670a586ceaSMark Shellenbaum if (zp->z_acl_cached->z_version < ZFS_ACL_VERSION_FUID) 2680a586ceaSMark Shellenbaum zfs_acl_xform(zp, zp->z_acl_cached, CRED()); 2690a586ceaSMark Shellenbaum 2700a586ceaSMark Shellenbaum locate.cb_aclp = zp->z_acl_cached; 2710a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_ACES(zfsvfs), 2720a586ceaSMark Shellenbaum zfs_acl_data_locator, &locate, zp->z_acl_cached->z_acl_bytes); 2730a586ceaSMark Shellenbaum if (xattr) 2740a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_RDEV(zfsvfs), 2750a586ceaSMark Shellenbaum NULL, &rdev, 8); 2760a586ceaSMark Shellenbaum 2770a586ceaSMark Shellenbaum /* 2780a586ceaSMark Shellenbaum * is it a symlink ? 2790a586ceaSMark Shellenbaum * 2800a586ceaSMark Shellenbaum * this will probably never be exercised since we won't 2810a586ceaSMark Shellenbaum * have the cached ACL. 2820a586ceaSMark Shellenbaum */ 2830a586ceaSMark Shellenbaum if (ZTOV(zp)->v_type == VLNK) { 2840a586ceaSMark Shellenbaum slink = kmem_zalloc(zp->z_size + 1, KM_SLEEP); 2850a586ceaSMark Shellenbaum if (zp->z_size + ZFS_OLD_ZNODE_PHYS_SIZE) 2860a586ceaSMark Shellenbaum bcopy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, 2870a586ceaSMark Shellenbaum slink, zp->z_size); 2880a586ceaSMark Shellenbaum else { 2890a586ceaSMark Shellenbaum dmu_buf_t *dbp; 2900a586ceaSMark Shellenbaum if (dmu_buf_hold(zfsvfs->z_os, zp->z_id, 0, 291*8f2529deSMark Shellenbaum FTAG, &dbp)) { 292*8f2529deSMark Shellenbaum kmem_free(slink, zp->z_size + 1); 2930a586ceaSMark Shellenbaum return; 294*8f2529deSMark Shellenbaum } 2950a586ceaSMark Shellenbaum bcopy(dbp->db_data, slink, zp->z_size); 2960a586ceaSMark Shellenbaum dmu_buf_rele(dbp, FTAG); 2970a586ceaSMark Shellenbaum } 2980a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SYMLINK(zfsvfs), 2990a586ceaSMark Shellenbaum NULL, slink, zp->z_size); 3000a586ceaSMark Shellenbaum } 3010a586ceaSMark Shellenbaum 3020a586ceaSMark Shellenbaum /* if scanstamp then add scanstamp */ 3030a586ceaSMark Shellenbaum 3040a586ceaSMark Shellenbaum if (zp->z_pflags & ZFS_BONUS_SCANSTAMP) { 3050a586ceaSMark Shellenbaum bcopy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE, 3060a586ceaSMark Shellenbaum scanstamp, AV_SCANSTAMP_SZ); 3070a586ceaSMark Shellenbaum SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SCANSTAMP(zfsvfs), 3080a586ceaSMark Shellenbaum NULL, scanstamp, AV_SCANSTAMP_SZ); 3090a586ceaSMark Shellenbaum zp->z_pflags &= ~ZFS_BONUS_SCANSTAMP; 3100a586ceaSMark Shellenbaum } 3110a586ceaSMark Shellenbaum 3120a586ceaSMark Shellenbaum VERIFY(dmu_set_bonustype(db, DMU_OT_SA, tx) == 0); 3130a586ceaSMark Shellenbaum VERIFY(sa_replace_all_by_template_locked(hdl, sa_attrs, 3140a586ceaSMark Shellenbaum count, tx) == 0); 3150a586ceaSMark Shellenbaum if (znode_acl.z_acl_extern_obj) 3160a586ceaSMark Shellenbaum VERIFY(0 == dmu_object_free(zfsvfs->z_os, 3170a586ceaSMark Shellenbaum znode_acl.z_acl_extern_obj, tx)); 3180a586ceaSMark Shellenbaum 3190a586ceaSMark Shellenbaum zp->z_is_sa = B_TRUE; 3200a586ceaSMark Shellenbaum if (slink) 3210a586ceaSMark Shellenbaum kmem_free(slink, zp->z_size + 1); 3220a586ceaSMark Shellenbaum 3230a586ceaSMark Shellenbaum } 3240a586ceaSMark Shellenbaum 3250a586ceaSMark Shellenbaum void 3260a586ceaSMark Shellenbaum zfs_sa_upgrade_txholds(dmu_tx_t *tx, znode_t *zp) 3270a586ceaSMark Shellenbaum { 3280a586ceaSMark Shellenbaum if (!zp->z_zfsvfs->z_use_sa || zp->z_is_sa) 3290a586ceaSMark Shellenbaum return; 3300a586ceaSMark Shellenbaum 3310a586ceaSMark Shellenbaum ASSERT(!zp->z_is_sa); 3320a586ceaSMark Shellenbaum 3330a586ceaSMark Shellenbaum dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE); 3340a586ceaSMark Shellenbaum 3350a586ceaSMark Shellenbaum if (ZFS_EXTERNAL_ACL(zp)) { 3360a586ceaSMark Shellenbaum dmu_tx_hold_free(tx, ZFS_EXTERNAL_ACL(zp), 0, 3370a586ceaSMark Shellenbaum DMU_OBJECT_END); 3380a586ceaSMark Shellenbaum } 3390a586ceaSMark Shellenbaum } 3400a586ceaSMark Shellenbaum 3410a586ceaSMark Shellenbaum #endif 342