whoami-rajat f5d4699613 Add lock per share for cinder nfs mount/umount ... With cinder configured as glance store and nfs as cinder backend, if we create multiple images concurrently into the same share, there might be race conditions. This patch ensures a lock per export to avoid the race conditions. This patch also introduces a reference counting mechamism for unmounting which will unmount the share if no active thread/process is using it. Closes-Bug: #1870289 Change-Id: I9197f64e29a0ae2e0a58186f1a70aa134f7f1db6		2020-05-01 11:35:01 +00:00
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glance	Add lock per share for cinder nfs mount/umount	2020-05-01 11:35:01 +00:00