-/*
- * Clean up any znodes that had no links when we either crashed or
- * (force) umounted the file system.
- */
-void
-zfs_unlinked_drain(zfs_sb_t *zsb)
-{
- zap_cursor_t zc;
- zap_attribute_t zap;
- dmu_object_info_t doi;
- znode_t *zp;
- int error;
-
- /*
- * Interate over the contents of the unlinked set.
- */
- for (zap_cursor_init(&zc, zsb->z_os, zsb->z_unlinkedobj);
- zap_cursor_retrieve(&zc, &zap) == 0;
- zap_cursor_advance(&zc)) {
-
- /*
- * See what kind of object we have in list
- */
-
- error = dmu_object_info(zsb->z_os, zap.za_first_integer, &doi);
- if (error != 0)
- continue;
-
- ASSERT((doi.doi_type == DMU_OT_PLAIN_FILE_CONTENTS) ||
- (doi.doi_type == DMU_OT_DIRECTORY_CONTENTS));
- /*
- * We need to re-mark these list entries for deletion,
- * so we pull them back into core and set zp->z_unlinked.
- */
- error = zfs_zget(zsb, zap.za_first_integer, &zp);
-
- /*
- * We may pick up znodes that are already marked for deletion.
- * This could happen during the purge of an extended attribute
- * directory. All we need to do is skip over them, since they
- * are already in the system marked z_unlinked.
- */
- if (error != 0)
- continue;
-
- zp->z_unlinked = B_TRUE;
-
- /*
- * If this is an attribute directory, purge its contents.
- */
- if (S_ISDIR(ZTOI(zp)->i_mode) && (zp->z_pflags & ZFS_XATTR)) {
- /*
- * We don't need to check the return value of
- * zfs_purgedir here, because zfs_rmnode will just
- * return this xattr directory to the unlinked set
- * until all of its xattrs are gone.
- */
- (void) zfs_purgedir(zp);
- }
-
- iput(ZTOI(zp));
- }
- zap_cursor_fini(&zc);
-}
-