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authorJeff Layton <jlayton@kernel.org>2025-02-13 17:08:29 +0300
committerChuck Lever <chuck.lever@oracle.com>2025-03-10 16:11:00 +0300
commitd1bc15b147d35b4cb7ca99a9a7d79d41ca342c13 (patch)
treeb1e0ce6892c7f245e2b90e77735e4394cb5407bf /rust/helpers/helpers.c
parent750037aa0a9f28d84df3dcf319a28423d69092fd (diff)
downloadlinux-d1bc15b147d35b4cb7ca99a9a7d79d41ca342c13.tar.xz
nfsd: allow SC_STATUS_FREEABLE when searching via nfs4_lookup_stateid()
The pynfs DELEG8 test fails when run against nfsd. It acquires a delegation and then lets the lease time out. It then tries to use the deleg stateid and expects to see NFS4ERR_DELEG_REVOKED, but it gets bad NFS4ERR_BAD_STATEID instead. When a delegation is revoked, it's initially marked with SC_STATUS_REVOKED, or SC_STATUS_ADMIN_REVOKED and later, it's marked with the SC_STATUS_FREEABLE flag, which denotes that it is waiting for s FREE_STATEID call. nfs4_lookup_stateid() accepts a statusmask that includes the status flags that a found stateid is allowed to have. Currently, that mask never includes SC_STATUS_FREEABLE, which means that revoked delegations are (almost) never found. Add SC_STATUS_FREEABLE to the always-allowed status flags, and remove it from nfsd4_delegreturn() since it's now always implied. Fixes: 8dd91e8d31fe ("nfsd: fix race between laundromat and free_stateid") Cc: stable@vger.kernel.org Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'rust/helpers/helpers.c')
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