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| author | Andrew Bartlett <abartlet@samba.org> | 2010-06-23 10:37:13 +1000 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2010-06-25 12:00:36 -0700 |
| commit | c84b74dddd6c74ad28597f069a43a0a3d334b04a (patch) | |
| tree | 869fe6721689766b6f270273dd5c2a6e0ec56b4f /libcli/auth | |
| parent | cfece164981142168aa6c846c7433f0459fb6de7 (diff) | |
| download | samba-c84b74dddd6c74ad28597f069a43a0a3d334b04a.tar.gz samba-c84b74dddd6c74ad28597f069a43a0a3d334b04a.tar.bz2 samba-c84b74dddd6c74ad28597f069a43a0a3d334b04a.zip | |
schannel Change to TDB_CLEAR_IF_FIRST to reduce fsync()
By making this DB TDB_NOSYNC, and by making that safe with
TDB_CLEAR_IF_FIRST, we greatly reduce the fsync() load on the server.
This particularly helps the source4/ 'make test', which otherwise tries
to disable fsync() in ldb.
Andrew Bartlett
Signed-off-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'libcli/auth')
| -rw-r--r-- | libcli/auth/schannel_state_tdb.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/libcli/auth/schannel_state_tdb.c b/libcli/auth/schannel_state_tdb.c index 0e4ab06515..0dcc3361c8 100644 --- a/libcli/auth/schannel_state_tdb.c +++ b/libcli/auth/schannel_state_tdb.c @@ -42,8 +42,6 @@ struct tdb_wrap *open_schannel_session_store(TALLOC_CTX *mem_ctx, const char *private_dir) { - TDB_DATA vers; - uint32_t ver; struct tdb_wrap *tdb_sc = NULL; char *fname = talloc_asprintf(mem_ctx, "%s/schannel_store.tdb", private_dir); @@ -51,7 +49,7 @@ struct tdb_wrap *open_schannel_session_store(TALLOC_CTX *mem_ctx, return NULL; } - tdb_sc = tdb_wrap_open(mem_ctx, fname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600); + tdb_sc = tdb_wrap_open(mem_ctx, fname, 0, TDB_CLEAR_IF_FIRST|TDB_NOSYNC, O_RDWR|O_CREAT, 0600); if (!tdb_sc) { DEBUG(0,("open_schannel_session_store: Failed to open %s - %s\n", @@ -60,35 +58,6 @@ struct tdb_wrap *open_schannel_session_store(TALLOC_CTX *mem_ctx, return NULL; } - again: - vers = tdb_fetch_bystring(tdb_sc->tdb, "SCHANNEL_STORE_VERSION"); - if (vers.dptr == NULL) { - /* First opener, no version. */ - SIVAL(&ver,0,SCHANNEL_STORE_VERSION_CURRENT); - vers.dptr = (uint8_t *)&ver; - vers.dsize = 4; - tdb_store_bystring(tdb_sc->tdb, "SCHANNEL_STORE_VERSION", vers, TDB_REPLACE); - vers.dptr = NULL; - } else if (vers.dsize == 4) { - ver = IVAL(vers.dptr,0); - if (ver == SCHANNEL_STORE_VERSION_2) { - DEBUG(0,("open_schannel_session_store: wrong version number %d in %s\n", - (int)ver, fname )); - tdb_wipe_all(tdb_sc->tdb); - goto again; - } - if (ver != SCHANNEL_STORE_VERSION_CURRENT) { - DEBUG(0,("open_schannel_session_store: wrong version number %d in %s\n", - (int)ver, fname )); - TALLOC_FREE(tdb_sc); - } - } else { - TALLOC_FREE(tdb_sc); - DEBUG(0,("open_schannel_session_store: wrong version number size %d in %s\n", - (int)vers.dsize, fname )); - } - - SAFE_FREE(vers.dptr); TALLOC_FREE(fname); return tdb_sc; |