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MFV r331712:

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9280 Assertion failure while running removal_with_ganging test with 4K devices

illumos/illumos-gate@243952c7ee

Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>
Author: Matt Ahrens <Matt.Ahrens@delphix.com>
This commit is contained in:
Alexander Motin 2018-03-28 23:17:29 +00:00
commit 849a7ce2d5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=331713
2 changed files with 14 additions and 14 deletions
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20
cddl/contrib/opensolaris/cmd/ztest/ztest.c
View File

@ -164,7 +164,7 @@ typedef struct ztest_shared_opts {
int zo_init;
uint64_t zo_time;
uint64_t zo_maxloops;
uint64_t zo_metaslab_gang_bang;
uint64_t zo_metaslab_force_ganging;
} ztest_shared_opts_t;
static const ztest_shared_opts_t ztest_opts_defaults = {
@ -186,10 +186,10 @@ static const ztest_shared_opts_t ztest_opts_defaults = {
.zo_init = 1,
.zo_time = 300, /* 5 minutes */
.zo_maxloops = 50, /* max loops during spa_freeze() */
.zo_metaslab_gang_bang = 32 << 10
.zo_metaslab_force_ganging = 32 << 10
};
extern uint64_t metaslab_gang_bang;
extern uint64_t metaslab_force_ganging;
extern uint64_t metaslab_df_alloc_threshold;
extern uint64_t zfs_deadman_synctime_ms;
extern int metaslab_preload_limit;
@ -567,12 +567,12 @@ usage(boolean_t requested)
const ztest_shared_opts_t *zo = &ztest_opts_defaults;
char nice_vdev_size[NN_NUMBUF_SZ];
char nice_gang_bang[NN_NUMBUF_SZ];
char nice_force_ganging[NN_NUMBUF_SZ];
FILE *fp = requested ? stdout : stderr;
nicenum(zo->zo_vdev_size, nice_vdev_size, sizeof (nice_vdev_size));
nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang,
sizeof (nice_gang_bang));
nicenum(zo->zo_metaslab_force_ganging, nice_force_ganging,
sizeof (nice_force_ganging));
(void) fprintf(fp, "Usage: %s\n"
"\t[-v vdevs (default: %llu)]\n"
@ -607,7 +607,7 @@ usage(boolean_t requested)
zo->zo_raidz_parity, /* -R */
zo->zo_datasets, /* -d */
zo->zo_threads, /* -t */
nice_gang_bang, /* -g */
nice_force_ganging, /* -g */
zo->zo_init, /* -i */
(u_longlong_t)zo->zo_killrate, /* -k */
zo->zo_pool, /* -p */
@ -676,8 +676,8 @@ process_options(int argc, char **argv)
zo->zo_threads = MAX(1, value);
break;
case 'g':
zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1,
value);
zo->zo_metaslab_force_ganging =
MAX(SPA_MINBLOCKSIZE << 1, value);
break;
case 'i':
zo->zo_init = value;
@ -6425,7 +6425,7 @@ main(int argc, char **argv)
zs = ztest_shared;
if (fd_data_str) {
metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang;
metaslab_force_ganging = ztest_opts.zo_metaslab_force_ganging;
metaslab_df_alloc_threshold =
zs->zs_metaslab_df_alloc_threshold;

8
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
View File

@ -44,9 +44,9 @@ SYSCTL_NODE(_vfs_zfs, OID_AUTO, metaslab, CTLFLAG_RW, 0, "ZFS metaslab");
((flags) & (METASLAB_GANG_CHILD | METASLAB_GANG_HEADER))
uint64_t metaslab_aliquot = 512ULL << 10;
uint64_t metaslab_gang_bang = SPA_MAXBLOCKSIZE + 1; /* force gang blocks */
SYSCTL_QUAD(_vfs_zfs_metaslab, OID_AUTO, gang_bang, CTLFLAG_RWTUN,
&metaslab_gang_bang, 0,
uint64_t metaslab_force_ganging = SPA_MAXBLOCKSIZE + 1; /* force gang blocks */
SYSCTL_QUAD(_vfs_zfs_metaslab, OID_AUTO, force_ganging, CTLFLAG_RWTUN,
&metaslab_force_ganging, 0,
"Force gang block allocation for blocks larger than or equal to this value");
/*
@ -3172,7 +3172,7 @@ metaslab_alloc_dva(spa_t *spa, metaslab_class_t *mc, uint64_t psize,
/*
* For testing, make some blocks above a certain size be gang blocks.
*/
if (psize >= metaslab_gang_bang && (ddi_get_lbolt() & 3) == 0) {
if (psize >= metaslab_force_ganging && (ddi_get_lbolt() & 3) == 0) {
metaslab_trace_add(zal, NULL, NULL, psize, d, TRACE_FORCE_GANG);
return (SET_ERROR(ENOSPC));
}