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dbwrap_ctdb: implement DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS

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For non-persistent databases we try to use CTDB_CONTROL_SET_DB_READONLY
in order to make use of readonly records.

Pair-Programmed-With: Michael Adam <obnox@samba.org>

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
This commit is contained in:
Stefan Metzmacher 2014-01-28 21:24:22 +01:00
parent 56bd404088
commit a97b588b63
1 changed files with 21 additions and 0 deletions
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21
source3/lib/dbwrap/dbwrap_ctdb.c
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@ -1649,6 +1649,27 @@ struct db_context *db_open_ctdb(TALLOC_CTX *mem_ctx,
return NULL;
}
#ifdef HAVE_CTDB_WANT_READONLY_DECL
if (!result->persistent &&
(dbwrap_flags & DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS))
{
TDB_DATA indata;
indata = make_tdb_data((uint8_t *)&db_ctdb->db_id,
sizeof(db_ctdb->db_id));
status = ctdbd_control_local(
conn, CTDB_CONTROL_SET_DB_READONLY, 0, 0, indata,
NULL, NULL, &cstatus);
if (!NT_STATUS_IS_OK(status) || (cstatus != 0)) {
DEBUG(1, ("CTDB_CONTROL_SET_DB_READONLY failed: "
"%s, %d\n", nt_errstr(status), cstatus));
TALLOC_FREE(result);
return NULL;
}
}
#endif
lp_ctx = loadparm_init_s3(db_path, loadparm_s3_helpers());
db_ctdb->wtdb = tdb_wrap_open(db_ctdb, db_path, hash_size, tdb_flags,