zfs_sa.c

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * The contents of this file are subject to the terms of the
    5  * Common Development and Distribution License (the "License").
    6  * You may not use this file except in compliance with the License.
    7  *
    8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
    9  * or https://opensource.org/licenses/CDDL-1.0.
   10  * See the License for the specific language governing permissions
   11  * and limitations under the License.
   12  *
   13  * When distributing Covered Code, include this CDDL HEADER in each
   14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   15  * If applicable, add the following below this CDDL HEADER, with the
   16  * fields enclosed by brackets "[]" replaced with your own identifying
   17  * information: Portions Copyright [yyyy] [name of copyright owner]
   18  *
   19  * CDDL HEADER END
   20  */
   21 /*
   22  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   23  */
   24 
   25 #include <sys/zfs_context.h>
   26 #include <sys/vnode.h>
   27 #include <sys/sa.h>
   28 #include <sys/zfs_acl.h>
   29 #include <sys/zfs_sa.h>
   30 #include <sys/dmu_objset.h>
   31 #include <sys/sa_impl.h>
   32 #include <sys/zfeature.h>
   33 
   34 /*
   35  * ZPL attribute registration table.
   36  * Order of attributes doesn't matter
   37  * a unique value will be assigned for each
   38  * attribute that is file system specific
   39  *
   40  * This is just the set of ZPL attributes that this
   41  * version of ZFS deals with natively.  The file system
   42  * could have other attributes stored in files, but they will be
   43  * ignored.  The SA framework will preserve them, just that
   44  * this version of ZFS won't change or delete them.
   45  */
   46 
   47 const sa_attr_reg_t zfs_attr_table[ZPL_END+1] = {
   48         {"ZPL_ATIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 0},
   49         {"ZPL_MTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 1},
   50         {"ZPL_CTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 2},
   51         {"ZPL_CRTIME", sizeof (uint64_t) * 2, SA_UINT64_ARRAY, 3},
   52         {"ZPL_GEN", sizeof (uint64_t), SA_UINT64_ARRAY, 4},
   53         {"ZPL_MODE", sizeof (uint64_t), SA_UINT64_ARRAY, 5},
   54         {"ZPL_SIZE", sizeof (uint64_t), SA_UINT64_ARRAY, 6},
   55         {"ZPL_PARENT", sizeof (uint64_t), SA_UINT64_ARRAY, 7},
   56         {"ZPL_LINKS", sizeof (uint64_t), SA_UINT64_ARRAY, 8},
   57         {"ZPL_XATTR", sizeof (uint64_t), SA_UINT64_ARRAY, 9},
   58         {"ZPL_RDEV", sizeof (uint64_t), SA_UINT64_ARRAY, 10},
   59         {"ZPL_FLAGS", sizeof (uint64_t), SA_UINT64_ARRAY, 11},
   60         {"ZPL_UID", sizeof (uint64_t), SA_UINT64_ARRAY, 12},
   61         {"ZPL_GID", sizeof (uint64_t), SA_UINT64_ARRAY, 13},
   62         {"ZPL_PAD", sizeof (uint64_t) * 4, SA_UINT64_ARRAY, 14},
   63         {"ZPL_ZNODE_ACL", 88, SA_UINT8_ARRAY, 15},
   64         {"ZPL_DACL_COUNT", sizeof (uint64_t), SA_UINT64_ARRAY, 0},
   65         {"ZPL_SYMLINK", 0, SA_UINT8_ARRAY, 0},
   66         {"ZPL_SCANSTAMP", 32, SA_UINT8_ARRAY, 0},
   67         {"ZPL_DACL_ACES", 0, SA_ACL, 0},
   68         {"ZPL_DXATTR", 0, SA_UINT8_ARRAY, 0},
   69         {"ZPL_PROJID", sizeof (uint64_t), SA_UINT64_ARRAY, 0},
   70         {NULL, 0, 0, 0}
   71 };
   72 
   73 
   74 #ifdef _KERNEL
   75 static int zfs_zil_saxattr = 1;
   76 
   77 int
   78 zfs_sa_readlink(znode_t *zp, zfs_uio_t *uio)
   79 {
   80         dmu_buf_t *db = sa_get_db(zp->z_sa_hdl);
   81         size_t bufsz;
   82         int error;
   83 
   84         bufsz = zp->z_size;
   85         if (bufsz + ZFS_OLD_ZNODE_PHYS_SIZE <= db->db_size) {
   86                 error = zfs_uiomove((caddr_t)db->db_data +
   87                     ZFS_OLD_ZNODE_PHYS_SIZE,
   88                     MIN((size_t)bufsz, zfs_uio_resid(uio)), UIO_READ, uio);
   89         } else {
   90                 dmu_buf_t *dbp;
   91                 if ((error = dmu_buf_hold(ZTOZSB(zp)->z_os, zp->z_id,
   92                     0, FTAG, &dbp, DMU_READ_NO_PREFETCH)) == 0) {
   93                         error = zfs_uiomove(dbp->db_data,
   94                             MIN((size_t)bufsz, zfs_uio_resid(uio)), UIO_READ,
   95                             uio);
   96                         dmu_buf_rele(dbp, FTAG);
   97                 }
   98         }
   99         return (error);
  100 }
  101 
  102 void
  103 zfs_sa_symlink(znode_t *zp, char *link, int len, dmu_tx_t *tx)
  104 {
  105         dmu_buf_t *db = sa_get_db(zp->z_sa_hdl);
  106 
  107         if (ZFS_OLD_ZNODE_PHYS_SIZE + len <= dmu_bonus_max()) {
  108                 VERIFY0(dmu_set_bonus(db, len + ZFS_OLD_ZNODE_PHYS_SIZE, tx));
  109                 if (len) {
  110                         memcpy((caddr_t)db->db_data +
  111                             ZFS_OLD_ZNODE_PHYS_SIZE, link, len);
  112                 }
  113         } else {
  114                 dmu_buf_t *dbp;
  115 
  116                 zfs_grow_blocksize(zp, len, tx);
  117                 VERIFY0(dmu_buf_hold(ZTOZSB(zp)->z_os, zp->z_id, 0, FTAG, &dbp,
  118                     DMU_READ_NO_PREFETCH));
  119 
  120                 dmu_buf_will_dirty(dbp, tx);
  121 
  122                 ASSERT3U(len, <=, dbp->db_size);
  123                 memcpy(dbp->db_data, link, len);
  124                 dmu_buf_rele(dbp, FTAG);
  125         }
  126 }
  127 
  128 void
  129 zfs_sa_get_scanstamp(znode_t *zp, xvattr_t *xvap)
  130 {
  131         zfsvfs_t *zfsvfs = ZTOZSB(zp);
  132         xoptattr_t *xoap;
  133 
  134         ASSERT(MUTEX_HELD(&zp->z_lock));
  135         VERIFY((xoap = xva_getxoptattr(xvap)) != NULL);
  136         if (zp->z_is_sa) {
  137                 if (sa_lookup(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zfsvfs),
  138                     &xoap->xoa_av_scanstamp,
  139                     sizeof (xoap->xoa_av_scanstamp)) != 0)
  140                         return;
  141         } else {
  142                 dmu_object_info_t doi;
  143                 dmu_buf_t *db = sa_get_db(zp->z_sa_hdl);
  144                 int len;
  145 
  146                 if (!(zp->z_pflags & ZFS_BONUS_SCANSTAMP))
  147                         return;
  148 
  149                 sa_object_info(zp->z_sa_hdl, &doi);
  150                 len = sizeof (xoap->xoa_av_scanstamp) +
  151                     ZFS_OLD_ZNODE_PHYS_SIZE;
  152 
  153                 if (len <= doi.doi_bonus_size) {
  154                         (void) memcpy(xoap->xoa_av_scanstamp,
  155                             (caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE,
  156                             sizeof (xoap->xoa_av_scanstamp));
  157                 }
  158         }
  159         XVA_SET_RTN(xvap, XAT_AV_SCANSTAMP);
  160 }
  161 
  162 void
  163 zfs_sa_set_scanstamp(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
  164 {
  165         zfsvfs_t *zfsvfs = ZTOZSB(zp);
  166         xoptattr_t *xoap;
  167 
  168         ASSERT(MUTEX_HELD(&zp->z_lock));
  169         VERIFY((xoap = xva_getxoptattr(xvap)) != NULL);
  170         if (zp->z_is_sa)
  171                 VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_SCANSTAMP(zfsvfs),
  172                     &xoap->xoa_av_scanstamp,
  173                     sizeof (xoap->xoa_av_scanstamp), tx));
  174         else {
  175                 dmu_object_info_t doi;
  176                 dmu_buf_t *db = sa_get_db(zp->z_sa_hdl);
  177                 int len;
  178 
  179                 sa_object_info(zp->z_sa_hdl, &doi);
  180                 len = sizeof (xoap->xoa_av_scanstamp) +
  181                     ZFS_OLD_ZNODE_PHYS_SIZE;
  182                 if (len > doi.doi_bonus_size)
  183                         VERIFY(dmu_set_bonus(db, len, tx) == 0);
  184                 (void) memcpy((caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE,
  185                     xoap->xoa_av_scanstamp, sizeof (xoap->xoa_av_scanstamp));
  186 
  187                 zp->z_pflags |= ZFS_BONUS_SCANSTAMP;
  188                 VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zfsvfs),
  189                     &zp->z_pflags, sizeof (uint64_t), tx));
  190         }
  191 }
  192 
  193 int
  194 zfs_sa_get_xattr(znode_t *zp)
  195 {
  196         zfsvfs_t *zfsvfs = ZTOZSB(zp);
  197         char *obj;
  198         int size;
  199         int error;
  200 
  201         ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock));
  202         ASSERT(!zp->z_xattr_cached);
  203         ASSERT(zp->z_is_sa);
  204 
  205         error = sa_size(zp->z_sa_hdl, SA_ZPL_DXATTR(zfsvfs), &size);
  206         if (error) {
  207                 if (error == ENOENT)
  208                         return nvlist_alloc(&zp->z_xattr_cached,
  209                             NV_UNIQUE_NAME, KM_SLEEP);
  210                 else
  211                         return (error);
  212         }
  213 
  214         obj = vmem_alloc(size, KM_SLEEP);
  215 
  216         error = sa_lookup(zp->z_sa_hdl, SA_ZPL_DXATTR(zfsvfs), obj, size);
  217         if (error == 0)
  218                 error = nvlist_unpack(obj, size, &zp->z_xattr_cached, KM_SLEEP);
  219 
  220         vmem_free(obj, size);
  221 
  222         return (error);
  223 }
  224 
  225 int
  226 zfs_sa_set_xattr(znode_t *zp, const char *name, const void *value, size_t vsize)
  227 {
  228         zfsvfs_t *zfsvfs = ZTOZSB(zp);
  229         zilog_t *zilog;
  230         dmu_tx_t *tx;
  231         char *obj;
  232         size_t size;
  233         int error, logsaxattr = 0;
  234 
  235         ASSERT(RW_WRITE_HELD(&zp->z_xattr_lock));
  236         ASSERT(zp->z_xattr_cached);
  237         ASSERT(zp->z_is_sa);
  238 
  239         error = nvlist_size(zp->z_xattr_cached, &size, NV_ENCODE_XDR);
  240         if ((error == 0) && (size > SA_ATTR_MAX_LEN))
  241                 error = SET_ERROR(EFBIG);
  242         if (error)
  243                 goto out;
  244 
  245         obj = vmem_alloc(size, KM_SLEEP);
  246 
  247         error = nvlist_pack(zp->z_xattr_cached, &obj, &size,
  248             NV_ENCODE_XDR, KM_SLEEP);
  249         if (error)
  250                 goto out_free;
  251 
  252         zilog = zfsvfs->z_log;
  253 
  254         /*
  255          * Users enable ZIL logging of xattr=sa operations by enabling the
  256          * SPA_FEATURE_ZILSAXATTR feature on the pool. Feature is activated
  257          * during zil_process_commit_list/zil_create, if enabled.
  258          */
  259         if (spa_feature_is_enabled(zfsvfs->z_os->os_spa,
  260             SPA_FEATURE_ZILSAXATTR) && zfs_zil_saxattr)
  261                 logsaxattr = 1;
  262 
  263         tx = dmu_tx_create(zfsvfs->z_os);
  264         dmu_tx_hold_sa_create(tx, size);
  265         dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE);
  266 
  267         error = dmu_tx_assign(tx, TXG_WAIT);
  268         if (error) {
  269                 dmu_tx_abort(tx);
  270         } else {
  271                 int count = 0;
  272                 sa_bulk_attr_t bulk[2];
  273                 uint64_t ctime[2];
  274 
  275                 if (logsaxattr)
  276                         zfs_log_setsaxattr(zilog, tx, TX_SETSAXATTR, zp, name,
  277                             value, vsize);
  278 
  279                 zfs_tstamp_update_setup(zp, STATE_CHANGED, NULL, ctime);
  280                 SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_DXATTR(zfsvfs),
  281                     NULL, obj, size);
  282                 SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs),
  283                     NULL, &ctime, 16);
  284                 VERIFY0(sa_bulk_update(zp->z_sa_hdl, bulk, count, tx));
  285 
  286                 dmu_tx_commit(tx);
  287                 if (logsaxattr && zfsvfs->z_os->os_sync == ZFS_SYNC_ALWAYS)
  288                         zil_commit(zilog, 0);
  289         }
  290 out_free:
  291         vmem_free(obj, size);
  292 out:
  293         return (error);
  294 }
  295 
  296 /*
  297  * I'm not convinced we should do any of this upgrade.
  298  * since the SA code can read both old/new znode formats
  299  * with probably little to no performance difference.
  300  *
  301  * All new files will be created with the new format.
  302  */
  303 
  304 void
  305 zfs_sa_upgrade(sa_handle_t *hdl, dmu_tx_t *tx)
  306 {
  307         dmu_buf_t *db = sa_get_db(hdl);
  308         znode_t *zp = sa_get_userdata(hdl);
  309         zfsvfs_t *zfsvfs = ZTOZSB(zp);
  310         int count = 0;
  311         sa_bulk_attr_t *bulk, *sa_attrs;
  312         zfs_acl_locator_cb_t locate = { 0 };
  313         uint64_t uid, gid, mode, rdev, xattr, parent, tmp_gen;
  314         uint64_t crtime[2], mtime[2], ctime[2], atime[2];
  315         uint64_t links;
  316         zfs_acl_phys_t znode_acl;
  317         char scanstamp[AV_SCANSTAMP_SZ];
  318         boolean_t drop_lock = B_FALSE;
  319 
  320         /*
  321          * No upgrade if ACL isn't cached
  322          * since we won't know which locks are held
  323          * and ready the ACL would require special "locked"
  324          * interfaces that would be messy
  325          */
  326         if (zp->z_acl_cached == NULL || Z_ISLNK(ZTOTYPE(zp)))
  327                 return;
  328 
  329         /*
  330          * If the z_lock is held and we aren't the owner
  331          * the just return since we don't want to deadlock
  332          * trying to update the status of z_is_sa.  This
  333          * file can then be upgraded at a later time.
  334          *
  335          * Otherwise, we know we are doing the
  336          * sa_update() that caused us to enter this function.
  337          */
  338         if (MUTEX_NOT_HELD(&zp->z_lock)) {
  339                 if (mutex_tryenter(&zp->z_lock) == 0)
  340                         return;
  341                 else
  342                         drop_lock = B_TRUE;
  343         }
  344 
  345         /* First do a bulk query of the attributes that aren't cached */
  346         bulk = kmem_alloc(sizeof (sa_bulk_attr_t) * ZPL_END, KM_SLEEP);
  347         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ATIME(zfsvfs), NULL, &atime, 16);
  348         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MTIME(zfsvfs), NULL, &mtime, 16);
  349         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs), NULL, &ctime, 16);
  350         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CRTIME(zfsvfs), NULL, &crtime, 16);
  351         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8);
  352         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_PARENT(zfsvfs), NULL, &parent, 8);
  353         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_XATTR(zfsvfs), NULL, &xattr, 8);
  354         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_RDEV(zfsvfs), NULL, &rdev, 8);
  355         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zfsvfs), NULL, &uid, 8);
  356         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zfsvfs), NULL, &gid, 8);
  357         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zfsvfs), NULL, &tmp_gen, 8);
  358         SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_ZNODE_ACL(zfsvfs), NULL,
  359             &znode_acl, 88);
  360 
  361         if (sa_bulk_lookup_locked(hdl, bulk, count) != 0)
  362                 goto done;
  363 
  364         if (dmu_objset_projectquota_enabled(hdl->sa_os) &&
  365             !(zp->z_pflags & ZFS_PROJID)) {
  366                 zp->z_pflags |= ZFS_PROJID;
  367                 zp->z_projid = ZFS_DEFAULT_PROJID;
  368         }
  369 
  370         /*
  371          * While the order here doesn't matter its best to try and organize
  372          * it is such a way to pick up an already existing layout number
  373          */
  374         count = 0;
  375         sa_attrs = kmem_zalloc(sizeof (sa_bulk_attr_t) * ZPL_END, KM_SLEEP);
  376         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MODE(zfsvfs), NULL, &mode, 8);
  377         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SIZE(zfsvfs), NULL,
  378             &zp->z_size, 8);
  379         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GEN(zfsvfs),
  380             NULL, &tmp_gen, 8);
  381         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_UID(zfsvfs), NULL, &uid, 8);
  382         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_GID(zfsvfs), NULL, &gid, 8);
  383         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_PARENT(zfsvfs),
  384             NULL, &parent, 8);
  385         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_FLAGS(zfsvfs), NULL,
  386             &zp->z_pflags, 8);
  387         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_ATIME(zfsvfs), NULL,
  388             &atime, 16);
  389         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_MTIME(zfsvfs), NULL,
  390             &mtime, 16);
  391         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CTIME(zfsvfs), NULL,
  392             &ctime, 16);
  393         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_CRTIME(zfsvfs), NULL,
  394             &crtime, 16);
  395         links = ZTONLNK(zp);
  396         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_LINKS(zfsvfs), NULL,
  397             &links, 8);
  398         if (dmu_objset_projectquota_enabled(hdl->sa_os))
  399                 SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_PROJID(zfsvfs), NULL,
  400                     &zp->z_projid, 8);
  401         if (Z_ISBLK(ZTOTYPE(zp)) || Z_ISCHR(ZTOTYPE(zp)))
  402                 SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_RDEV(zfsvfs), NULL,
  403                     &rdev, 8);
  404         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_COUNT(zfsvfs), NULL,
  405             &zp->z_acl_cached->z_acl_count, 8);
  406 
  407         if (zp->z_acl_cached->z_version < ZFS_ACL_VERSION_FUID)
  408                 zfs_acl_xform(zp, zp->z_acl_cached, CRED());
  409 
  410         locate.cb_aclp = zp->z_acl_cached;
  411         SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_DACL_ACES(zfsvfs),
  412             zfs_acl_data_locator, &locate, zp->z_acl_cached->z_acl_bytes);
  413 
  414         if (xattr)
  415                 SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_XATTR(zfsvfs),
  416                     NULL, &xattr, 8);
  417 
  418         /* if scanstamp then add scanstamp */
  419 
  420         if (zp->z_pflags & ZFS_BONUS_SCANSTAMP) {
  421                 memcpy(scanstamp,
  422                     (caddr_t)db->db_data + ZFS_OLD_ZNODE_PHYS_SIZE,
  423                     AV_SCANSTAMP_SZ);
  424                 SA_ADD_BULK_ATTR(sa_attrs, count, SA_ZPL_SCANSTAMP(zfsvfs),
  425                     NULL, scanstamp, AV_SCANSTAMP_SZ);
  426                 zp->z_pflags &= ~ZFS_BONUS_SCANSTAMP;
  427         }
  428 
  429         VERIFY(dmu_set_bonustype(db, DMU_OT_SA, tx) == 0);
  430         VERIFY(sa_replace_all_by_template_locked(hdl, sa_attrs,
  431             count, tx) == 0);
  432         if (znode_acl.z_acl_extern_obj)
  433                 VERIFY(0 == dmu_object_free(zfsvfs->z_os,
  434                     znode_acl.z_acl_extern_obj, tx));
  435 
  436         zp->z_is_sa = B_TRUE;
  437         kmem_free(sa_attrs, sizeof (sa_bulk_attr_t) * ZPL_END);
  438 done:
  439         kmem_free(bulk, sizeof (sa_bulk_attr_t) * ZPL_END);
  440         if (drop_lock)
  441                 mutex_exit(&zp->z_lock);
  442 }
  443 
  444 void
  445 zfs_sa_upgrade_txholds(dmu_tx_t *tx, znode_t *zp)
  446 {
  447         if (!ZTOZSB(zp)->z_use_sa || zp->z_is_sa)
  448                 return;
  449 
  450 
  451         dmu_tx_hold_sa(tx, zp->z_sa_hdl, B_TRUE);
  452 
  453         if (zfs_external_acl(zp)) {
  454                 dmu_tx_hold_free(tx, zfs_external_acl(zp), 0,
  455                     DMU_OBJECT_END);
  456         }
  457 }
  458 
  459 ZFS_MODULE_PARAM(zfs, zfs_, zil_saxattr, INT, ZMOD_RW,
  460         "Disable xattr=sa extended attribute logging in ZIL by settng 0.");
  461 
  462 EXPORT_SYMBOL(zfs_attr_table);
  463 EXPORT_SYMBOL(zfs_sa_readlink);
  464 EXPORT_SYMBOL(zfs_sa_symlink);
  465 EXPORT_SYMBOL(zfs_sa_get_scanstamp);
  466 EXPORT_SYMBOL(zfs_sa_set_scanstamp);
  467 EXPORT_SYMBOL(zfs_sa_get_xattr);
  468 EXPORT_SYMBOL(zfs_sa_set_xattr);
  469 EXPORT_SYMBOL(zfs_sa_upgrade);
  470 EXPORT_SYMBOL(zfs_sa_upgrade_txholds);
  471 
  472 #endif
Cache object: c08688d594acaa386293e30a4705ba4c
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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/module/zfs/zfs_sa.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/module/zfs/zfs_sa.c
