diff options
Diffstat (limited to 'xlators/protocol')
| -rw-r--r-- | xlators/protocol/client/src/client.c | 26 | ||||
| -rw-r--r-- | xlators/protocol/client/src/client.h | 2 |
2 files changed, 26 insertions, 2 deletions
diff --git a/xlators/protocol/client/src/client.c b/xlators/protocol/client/src/client.c index 6cc3c9896ae..46fe622db58 100644 --- a/xlators/protocol/client/src/client.c +++ b/xlators/protocol/client/src/client.c @@ -815,12 +815,16 @@ client_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, goto out; args.loc = loc; - args.flags = flags; args.mode = mode; args.fd = fd; args.umask = umask; args.xdata = xdata; + if (!conf->filter_o_direct) + args.flags = flags; + else + args.flags = (flags & ~O_DIRECT); + proc = &conf->fops->proctable[GF_FOP_CREATE]; if (!proc) { gf_log (this->name, GF_LOG_ERROR, @@ -854,10 +858,14 @@ client_open (call_frame_t *frame, xlator_t *this, loc_t *loc, goto out; args.loc = loc; - args.flags = flags; args.fd = fd; args.xdata = xdata; + if (!conf->filter_o_direct) + args.flags = flags; + else + args.flags = (flags & ~O_DIRECT); + proc = &conf->fops->proctable[GF_FOP_OPEN]; if (!proc) { gf_log (this->name, GF_LOG_ERROR, @@ -2198,6 +2206,9 @@ build_client_config (xlator_t *this, clnt_conf_t *conf) gf_log (this->name, GF_LOG_WARNING, "option 'remote-subvolume' not given"); + GF_OPTION_INIT ("filter-O_DIRECT", conf->filter_o_direct, + bool, out); + ret = 0; out: return ret; @@ -2382,6 +2393,9 @@ reconfigure (xlator_t *this, dict_t *options) } } + GF_OPTION_RECONF ("filter-O_DIRECT", conf->filter_o_direct, + options, bool, out); + ret = client_init_grace_timer (this, options, conf); if (ret) goto out; @@ -2717,5 +2731,13 @@ struct volume_options options[] = { .min = GF_MIN_SOCKET_WINDOW_SIZE, .max = GF_MAX_SOCKET_WINDOW_SIZE }, + { .key = {"filter-O_DIRECT"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "disable", + .description = "If enabled, in open() and creat() calls, O_DIRECT " + "flag will be filtered at the client protocol level so server will " + "still continue to cache the file. This works similar to NFS's " + "behavior of O_DIRECT", + }, { .key = {NULL} }, }; diff --git a/xlators/protocol/client/src/client.h b/xlators/protocol/client/src/client.h index 420674910a8..9241eefa3aa 100644 --- a/xlators/protocol/client/src/client.h +++ b/xlators/protocol/client/src/client.h @@ -114,6 +114,8 @@ typedef struct clnt_conf { the reconnection happen after the usual 3-second wait */ + gf_boolean_t filter_o_direct; /* if set, filter O_DIRECT from + the flags list of open() */ } clnt_conf_t; typedef struct _client_fd_ctx { |