c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2024-12-25 18:59:33 +03:00
Code Issues Packages Projects Releases Wiki Activity

zdb: dump ZAP_FLAG_UINT64_KEY ZAPs properly (#16334)

Browse Source 
These are used for DDT and BRT stores. There's limited information
available to produce meaningful output, but at least we can put
something on screen rather than crashing.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.

Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
This commit is contained in:
Rob Norris 2024-07-18 05:02:28 +10:00 committed by GitHub
parent 5de3ac2236
commit dc91e74524
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 26 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
cmd/zdb/zdb.c
View File

@ -48,6 +48,7 @@
#include <sys/spa_impl.h>
#include <sys/dmu.h>
#include <sys/zap.h>
#include <sys/zap_impl.h>
#include <sys/fs/zfs.h>
#include <sys/zfs_znode.h>
#include <sys/zfs_sa.h>
@ -1126,16 +1127,33 @@ dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
for (zap_cursor_init(&zc, os, object);
zap_cursor_retrieve(&zc, &attr) == 0;
zap_cursor_advance(&zc)) {
(void) printf("\t\t%s = ", attr.za_name);
boolean_t key64 =
!!(zap_getflags(zc.zc_zap) & ZAP_FLAG_UINT64_KEY);
if (key64)
(void) printf("\t\t0x%010lx = ",
*(uint64_t *)attr.za_name);
else
(void) printf("\t\t%s = ", attr.za_name);
if (attr.za_num_integers == 0) {
(void) printf("\n");
continue;
}
prop = umem_zalloc(attr.za_num_integers *
attr.za_integer_length, UMEM_NOFAIL);
(void) zap_lookup(os, object, attr.za_name,
attr.za_integer_length, attr.za_num_integers, prop);
if (attr.za_integer_length == 1) {
if (key64)
(void) zap_lookup_uint64(os, object,
(const uint64_t *)attr.za_name, 1,
attr.za_integer_length, attr.za_num_integers,
prop);
else
(void) zap_lookup(os, object, attr.za_name,
attr.za_integer_length, attr.za_num_integers,
prop);
if (attr.za_integer_length == 1 && !key64) {
if (strcmp(attr.za_name,
DSL_CRYPTO_KEY_MASTER_KEY) == 0 ||
strcmp(attr.za_name,
@ -1154,6 +1172,10 @@ dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
} else {
for (i = 0; i < attr.za_num_integers; i++) {
switch (attr.za_integer_length) {
case 1:
(void) printf("%u ",
((uint8_t *)prop)[i]);
break;
case 2:
(void) printf("%u ",
((uint16_t *)prop)[i]);