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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:
Brian Behlendorf
2022-04-28 16:47:12 -07:00
committed by GitHub
parent c0ff5f1560
commit ce8d41ef75
5 changed files with 24 additions and 2 deletions
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include/sys/spa_impl.h
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@@ -370,6 +370,7 @@ struct spa {
boolean_t spa_is_root; /* pool is root */
int spa_minref; /* num refs when first opened */
spa_mode_t spa_mode; /* SPA_MODE_{READ|WRITE} */
boolean_t spa_read_spacemaps; /* spacemaps available if ro */
spa_log_state_t spa_log_state; /* log state */
uint64_t spa_autoexpand; /* lun expansion on/off */
ddt_t *spa_ddt[ZIO_CHECKSUM_FUNCTIONS]; /* in-core DDTs */