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| author | George Amanakis <[email protected]> | 2023-10-03 01:57:09 +0200 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-10-02 16:57:09 -0700 |
| commit | fe4d055b36b8f2ec64a8b67bf4fa6366e954f82f (patch) | |
| tree | 282d8553f57dc20b2307d8f9c165679b06077ca8 /module/zfs | |
| parent | e13538856479ff79ca6642e53dddf8a593deb2c9 (diff) | |
Report ashift of L2ARC devices in zdb
Commit 8af1104f does not actually store the ashift of cache devices in
their label. However, in order to facilitate reporting the ashift
through zdb, we enable this in the present commit. We also document
how the retrieval of the ashift is done.
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: George Amanakis <[email protected]>
Closes #15331
Diffstat (limited to 'module/zfs')
| -rw-r--r-- | module/zfs/vdev_label.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/module/zfs/vdev_label.c b/module/zfs/vdev_label.c index a5c76808f..a2e5524a8 100644 --- a/module/zfs/vdev_label.c +++ b/module/zfs/vdev_label.c @@ -1138,6 +1138,16 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason) POOL_STATE_L2CACHE) == 0); VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_GUID, vd->vdev_guid) == 0); + + /* + * This is merely to facilitate reporting the ashift of the + * cache device through zdb. The actual retrieval of the + * ashift (in vdev_alloc()) uses the nvlist + * spa->spa_l2cache->sav_config (populated in + * spa_ld_open_aux_vdevs()). + */ + VERIFY(nvlist_add_uint64(label, ZPOOL_CONFIG_ASHIFT, + vd->vdev_ashift) == 0); } else { uint64_t txg = 0ULL; |