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On el8, sparse is at 0.6.4 in epel-release, but it fails with: ``` [SP src/util.c] src/util.c: note: in included file (through /usr/include/sys/stat.h): /usr/include/bits/statx.h:30:6: error: not a function <noident> /usr/include/bits/statx.h:30:6: error: bad constant expression type ``` This is due to us needing O_DIRECT from <fcntl.h>, so we set _GNU_SOURCE before including it, but this causes (through _USE_GNU in sys/stat.h) statx.h to be included, and that has __has_include, and sparse is too dumb to understand it. Just shut it up. Signed-off-by: Auke Kok <auke.kok@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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