diff options
Diffstat (limited to 'zfs/lib/libzpool/zap.c')
| -rw-r--r-- | zfs/lib/libzpool/zap.c | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/zfs/lib/libzpool/zap.c b/zfs/lib/libzpool/zap.c index f4f456ce8..ca859ec35 100644 --- a/zfs/lib/libzpool/zap.c +++ b/zfs/lib/libzpool/zap.c @@ -19,11 +19,11 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ -#pragma ident "@(#)zap.c 1.13 07/11/19 SMI" +#pragma ident "%Z%%M% %I% %E% SMI" /* @@ -903,6 +903,10 @@ fzap_remove(zap_name_t *zn, dmu_tx_t *tx) return (err); } +/* + * Helper functions for consumers. + */ + int zap_value_search(objset_t *os, uint64_t zapobj, uint64_t value, uint64_t mask, char *name) @@ -928,6 +932,53 @@ zap_value_search(objset_t *os, uint64_t zapobj, uint64_t value, uint64_t mask, return (err); } +int +zap_join(objset_t *os, uint64_t fromobj, uint64_t intoobj, dmu_tx_t *tx) +{ + zap_cursor_t zc; + zap_attribute_t za; + int err; + + for (zap_cursor_init(&zc, os, fromobj); + zap_cursor_retrieve(&zc, &za) == 0; + (void) zap_cursor_advance(&zc)) { + if (za.za_integer_length != 8 || za.za_num_integers != 1) + return (EINVAL); + err = zap_add(os, intoobj, za.za_name, + 8, 1, &za.za_first_integer, tx); + if (err) + return (err); + } + zap_cursor_fini(&zc); + return (0); +} + +int +zap_add_int(objset_t *os, uint64_t obj, uint64_t value, dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)value); + return (zap_add(os, obj, name, 8, 1, &value, tx)); +} + +int +zap_remove_int(objset_t *os, uint64_t obj, uint64_t value, dmu_tx_t *tx) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)value); + return (zap_remove(os, obj, name, tx)); +} + +int +zap_lookup_int(objset_t *os, uint64_t obj, uint64_t value) +{ + char name[20]; + + (void) snprintf(name, sizeof (name), "%llx", (longlong_t)value); + return (zap_lookup(os, obj, name, 8, 1, &value)); +} /* * Routines for iterating over the attributes. |