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Skip spacemaps reading in case of pool readonly import

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The only zdb utility require to read metaslab-related data during
read-only pool import because of spacemaps validation. Add global
variable which will allow zdb read spacemaps in case of readonly
import mode.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Fedor Uporov <fuporov.vstack@gmail.com>
Closes #9095
Closes #12687
This commit is contained in:
Fedor Uporov
2021-11-09 12:50:39 -08:00
committed by GitHub
parent 345196be18
commit e39fe05b69
5 changed files with 24 additions and 2 deletions
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cmd/zdb/zdb.c
+6
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@@ -118,6 +118,7 @@ extern int zfs_recover;
extern unsigned long zfs_arc_meta_min, zfs_arc_meta_limit;
extern int zfs_vdev_async_read_max_active;
extern boolean_t spa_load_verify_dryrun;
extern boolean_t spa_mode_readable_spacemaps;
extern int zfs_reconstruct_indirect_combinations_max;
extern int zfs_btree_verify_intensity;
@@ -8524,6 +8525,11 @@ main(int argc, char **argv)
*/
spa_load_verify_dryrun = B_TRUE;
/*
* ZDB should have ability to read spacemaps.
*/
spa_mode_readable_spacemaps = B_TRUE;
kernel_init(SPA_MODE_READ);
if (dump_all)