diff options
Diffstat (limited to 'module/zfs/dbuf.c')
| -rw-r--r-- | module/zfs/dbuf.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c index 8afc3df37..abfae29ad 100644 --- a/module/zfs/dbuf.c +++ b/module/zfs/dbuf.c @@ -4445,60 +4445,6 @@ dbuf_remap_impl(dnode_t *dn, blkptr_t *bp, dmu_tx_t *tx) } /* - * Returns true if a dbuf_remap would modify the dbuf. We do this by attempting - * to remap a copy of every bp in the dbuf. - */ -boolean_t -dbuf_can_remap(const dmu_buf_impl_t *db) -{ - spa_t *spa = dmu_objset_spa(db->db_objset); - blkptr_t *bp = db->db.db_data; - boolean_t ret = B_FALSE; - - ASSERT3U(db->db_level, >, 0); - ASSERT3S(db->db_state, ==, DB_CACHED); - - ASSERT(spa_feature_is_active(spa, SPA_FEATURE_DEVICE_REMOVAL)); - - spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); - for (int i = 0; i < db->db.db_size >> SPA_BLKPTRSHIFT; i++) { - blkptr_t bp_copy = bp[i]; - if (spa_remap_blkptr(spa, &bp_copy, NULL, NULL)) { - ret = B_TRUE; - break; - } - } - spa_config_exit(spa, SCL_VDEV, FTAG); - - return (ret); -} - -boolean_t -dnode_needs_remap(const dnode_t *dn) -{ - spa_t *spa = dmu_objset_spa(dn->dn_objset); - boolean_t ret = B_FALSE; - - if (dn->dn_phys->dn_nlevels == 0) { - return (B_FALSE); - } - - ASSERT(spa_feature_is_active(spa, SPA_FEATURE_DEVICE_REMOVAL)); - - spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); - for (int j = 0; j < dn->dn_phys->dn_nblkptr; j++) { - blkptr_t bp_copy = dn->dn_phys->dn_blkptr[j]; - if (spa_remap_blkptr(spa, &bp_copy, NULL, NULL)) { - ret = B_TRUE; - break; - } - } - spa_config_exit(spa, SCL_VDEV, FTAG); - - return (ret); -} - -/* * Remap any existing BP's to concrete vdevs, if possible. */ static void |