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zdb: Fix big parameter passed by value 

This is not in performance critical code, but static analyzers will
complain about it, so lets switch to pass by pointer here.

Reported-by: Coverity (CID-1524384)
Reviewed-by: Damian Szuberski <szuberskidamian@gmail.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14263
This commit is contained in:
Richard Yao 2022-12-04 17:58:46 -05:00 committed by Brian Behlendorf
parent f1100863f7
commit ecccaede68
1 changed files with 19 additions and 19 deletions
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38
cmd/zdb/zdb.c
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@ -4341,26 +4341,26 @@ dump_l2arc_log_entries(uint64_t log_entries,
}
static void
dump_l2arc_log_blkptr(l2arc_log_blkptr_t lbps)
dump_l2arc_log_blkptr(const l2arc_log_blkptr_t *lbps)
{
(void) printf("|\t\tdaddr: %llu\n", (u_longlong_t)lbps.lbp_daddr);
(void) printf("|\t\tdaddr: %llu\n", (u_longlong_t)lbps->lbp_daddr);
(void) printf("|\t\tpayload_asize: %llu\n",
(u_longlong_t)lbps.lbp_payload_asize);
(u_longlong_t)lbps->lbp_payload_asize);
(void) printf("|\t\tpayload_start: %llu\n",
(u_longlong_t)lbps.lbp_payload_start);
(u_longlong_t)lbps->lbp_payload_start);
(void) printf("|\t\tlsize: %llu\n",
(u_longlong_t)L2BLK_GET_LSIZE((&lbps)->lbp_prop));
(u_longlong_t)L2BLK_GET_LSIZE(lbps->lbp_prop));
(void) printf("|\t\tasize: %llu\n",
(u_longlong_t)L2BLK_GET_PSIZE((&lbps)->lbp_prop));
(u_longlong_t)L2BLK_GET_PSIZE(lbps->lbp_prop));
(void) printf("|\t\tcompralgo: %llu\n",
(u_longlong_t)L2BLK_GET_COMPRESS((&lbps)->lbp_prop));
(u_longlong_t)L2BLK_GET_COMPRESS(lbps->lbp_prop));
(void) printf("|\t\tcksumalgo: %llu\n",
(u_longlong_t)L2BLK_GET_CHECKSUM((&lbps)->lbp_prop));
(u_longlong_t)L2BLK_GET_CHECKSUM(lbps->lbp_prop));
(void) printf("|\n\n");
}
static void
dump_l2arc_log_blocks(int fd, l2arc_dev_hdr_phys_t l2dhdr,
dump_l2arc_log_blocks(int fd, const l2arc_dev_hdr_phys_t *l2dhdr,
l2arc_dev_hdr_phys_t *rebuild)
{
l2arc_log_blk_phys_t this_lb;
@ -4373,13 +4373,13 @@ dump_l2arc_log_blocks(int fd, l2arc_dev_hdr_phys_t l2dhdr,
if (!dump_opt['q'])
print_l2arc_log_blocks();
memcpy(lbps, l2dhdr.dh_start_lbps, sizeof (lbps));
memcpy(lbps, l2dhdr->dh_start_lbps, sizeof (lbps));
dev.l2ad_evict = l2dhdr.dh_evict;
dev.l2ad_start = l2dhdr.dh_start;
dev.l2ad_end = l2dhdr.dh_end;
dev.l2ad_evict = l2dhdr->dh_evict;
dev.l2ad_start = l2dhdr->dh_start;
dev.l2ad_end = l2dhdr->dh_end;
if (l2dhdr.dh_start_lbps[0].lbp_daddr == 0) {
if (l2dhdr->dh_start_lbps[0].lbp_daddr == 0) {
/* no log blocks to read */
if (!dump_opt['q']) {
(void) printf("No log blocks to read\n");
@ -4391,7 +4391,7 @@ dump_l2arc_log_blocks(int fd, l2arc_dev_hdr_phys_t l2dhdr,
L2BLK_GET_PSIZE((&lbps[0])->lbp_prop);
}
dev.l2ad_first = !!(l2dhdr.dh_flags & L2ARC_DEV_HDR_EVICT_FIRST);
dev.l2ad_first = !!(l2dhdr->dh_flags & L2ARC_DEV_HDR_EVICT_FIRST);
for (;;) {
if (!l2arc_log_blkptr_valid(&dev, &lbps[0]))
@ -4412,7 +4412,7 @@ dump_l2arc_log_blocks(int fd, l2arc_dev_hdr_phys_t l2dhdr,
failed++;
if (!dump_opt['q']) {
(void) printf("Invalid cksum\n");
dump_l2arc_log_blkptr(lbps[0]);
dump_l2arc_log_blkptr(&lbps[0]);
}
break;
}
@ -4449,11 +4449,11 @@ dump_l2arc_log_blocks(int fd, l2arc_dev_hdr_phys_t l2dhdr,
(void) printf("lb[%4llu]\tmagic: %llu\n",
(u_longlong_t)rebuild->dh_lb_count,
(u_longlong_t)this_lb.lb_magic);
dump_l2arc_log_blkptr(lbps[0]);
dump_l2arc_log_blkptr(&lbps[0]);
}
if (dump_opt['l'] > 2 && !dump_opt['q'])
dump_l2arc_log_entries(l2dhdr.dh_log_entries,
dump_l2arc_log_entries(l2dhdr->dh_log_entries,
this_lb.lb_entries,
rebuild->dh_lb_count);
@ -4531,7 +4531,7 @@ dump_l2arc_header(int fd)
(u_longlong_t)l2dhdr.dh_trim_state);
}
dump_l2arc_log_blocks(fd, l2dhdr, &rebuild);
dump_l2arc_log_blocks(fd, &l2dhdr, &rebuild);
/*
* The total aligned size of log blocks and the number of log blocks
* reported in the header of the device may be less than what zdb