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| author | Chuck Lever <chuck.lever@oracle.com> | 2026-04-19 14:53:03 -0400 |
|---|---|---|
| committer | Chuck Lever <cel@kernel.org> | 2026-06-09 16:32:59 -0400 |
| commit | 327c5168eff2e7f1760ca67fcb0f9053019fbfee (patch) | |
| tree | fd74d751daab7aec5b0964a77ddc34d798be579b /Documentation/netlink | |
| parent | 978cda83de411fcbff22ac5b2b0024cae7df806f (diff) | |
| download | linux-327c5168eff2e7f1760ca67fcb0f9053019fbfee.tar.gz linux-327c5168eff2e7f1760ca67fcb0f9053019fbfee.zip | |
NFSD: Add NFSD_CMD_UNLOCK_FILESYSTEM netlink command
Add NFSD_CMD_UNLOCK_FILESYSTEM as a dedicated netlink command for
revoking NFS state under a filesystem path, providing a netlink
equivalent of /proc/fs/nfsd/unlock_fs.
The command requires a "path" string attribute containing the
filesystem path whose state should be released. The handler
resolves the path to its superblock, then cancels async copies,
releases NLM locks, and revokes NFSv4 state on that superblock.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'Documentation/netlink')
| -rw-r--r-- | Documentation/netlink/specs/nfsd.yaml | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/nfsd.yaml b/Documentation/netlink/specs/nfsd.yaml index bf41682464c3..e121c54033a0 100644 --- a/Documentation/netlink/specs/nfsd.yaml +++ b/Documentation/netlink/specs/nfsd.yaml @@ -310,6 +310,13 @@ attribute-sets: doc: struct sockaddr_in or struct sockaddr_in6. checks: min-len: 16 + - + name: unlock-filesystem + attributes: + - + name: path + type: string + doc: Filesystem path whose state should be released. operations: list: @@ -473,6 +480,15 @@ operations: request: attributes: - address + - + name: unlock-filesystem + doc: revoke NFS state under a filesystem path + attribute-set: unlock-filesystem + flags: [admin-perm] + do: + request: + attributes: + - path mcast-groups: list: |