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61ad844891
Tear down client lock server state and set a boolean so that there is no race between client/server processing lock recovery at the same time as farewell. Currently there is a bug where if server and clients are unmounted then work from the client is processed out of order, which leaves behind a server_lock for a RID that no longer exists. In order to fix this we need to serialize SCOUTFS_NET_CMD_FAREWELL in recv_worker. Signed-off-by: Bryant G. Duffy-Ly <bduffyly@versity.com>
Introduction
scoutfs is a clustered in-kernel Linux filesystem designed to support large archival systems. It features additional interfaces and metadata so that archive agents can perform their maintenance workflows without walking all the files in the namespace. Its cluster support lets deployments add nodes to satisfy archival tier bandwidth targets.
The design goal is to reach file populations in the trillions, with the archival bandwidth to match, while remaining operational and responsive.
Highlights of the design and implementation include:
- Fully consistent POSIX semantics between nodes
- Atomic transactions to maintain consistent persistent structures
- Integrated archival metadata replaces syncing to external databases
- Dynamic seperation of resources lets nodes write in parallel
- 64bit throughout; no limits on file or directory sizes or counts
- Open GPLv2 implementation
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