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authorAmar Tumballi <amarts@redhat.com>2012-11-19 16:29:44 +0530
committerVijay Bellur <vbellur@redhat.com>2012-11-28 03:37:03 -0800
commitc6570de4d5ba090cfb4bb9d2b0390f2526ed0636 (patch)
tree5e3ffec7df086ac5bcdf0df6c8c7c75f0e3a04c0 /xlators/mgmt/glusterd/src/glusterd-volgen.c
parentcee1b62d013cfb164f2a014919721c920c06514a (diff)
protocol/client: add an option to filter O_DIRECT flag in open
with the option, the idea is all client-side caching will be disabled, where as on server side process, the fd will be treated as a regular fd, thus helping the performance better. "gluster volume set <VOLNAME> remote-dio enable" would set this option in client protocol volumes. Change-Id: Id2255a167137f8fee20849513e3011274dc829b4 Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 845213 Reviewed-on: http://review.gluster.org/4206 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volgen.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volgen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index 3629361ad56..76172dd9bce 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -178,6 +178,7 @@ static struct volopt_map_entry glusterd_volopt_map[] = {
{"features.lock-heal", "protocol/client", "lk-heal", NULL, DOC, 0, 1},
{"features.grace-timeout", "protocol/client", "grace-timeout", NULL, DOC, 0, 1},
{"client.ssl", "protocol/client", "transport.socket.ssl-enabled", NULL, NO_DOC, 0, 2},
+ {"network.remote-dio", "protocol/client", "filter-O_DIRECT", NULL, DOC, 0, 1},
/* Server xlator options */
{"network.tcp-window-size", "protocol/server", NULL, NULL, NO_DOC, 0, 1},