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authorSoumya Koduri <skoduri@redhat.com>2014-05-07 14:05:31 +0530
committerVijay Bellur <vbellur@redhat.com>2014-05-11 02:47:42 -0700
commit5adb10b9ac1c634334f29732e062b12d747ae8c5 (patch)
tree135e0279c4f220b520386e8677c8dd209ef00ed7 /xlators/features/barrier
parent2fd499d148fc8865c77de8b2c73fe0b7e1737882 (diff)
libgfapi: Added support to fetch volume info from glusterd and store in glfs object.
Defined new APIs in the libgfapi module, given a glfs object, * to send handshake RPC call to glusterd process to fetch UUID of the volume * store it in the glusterfs_context linked to the glfs object. * to parse UUID from its cannonical string format into 16-byte array before sending it to the libgfapi users. Defined a RPC call in glusterd which can be used to query volume related info by other processes using 'clnt_handshake_procs'. Note - Currently this RPC call to glusterd process is used only to fetch UUID. But it can be extended to get other volume related structures as well. In addition to the above, defined a new variable to keep track of such handshake RPCs still in progress to make sure all the corresponding RPC callbacks have been processed before libgfapi returns the glfs object initialized. Also bumping up the GFAPI current version number since there is a new API "glfs_get_volume_id" defined and exposed by libgfapi as part of these changes. Change-Id: I303f76d7177d32d25bdb301b1dbcf5cd73f42807 BUG: 1090363 Signed-off-by: Soumya Koduri <skoduri@redhat.com> Reviewed-on: http://review.gluster.org/7218 Reviewed-by: Anand Avati <avati@redhat.com> Reviewed-by: Harshavardhana <harsha@harshavardhana.net> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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