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authorJeff Layton <jlayton@kernel.org>2023-07-24 10:53:39 -0400
committerChuck Lever <chuck.lever@oracle.com>2023-08-29 17:45:22 -0400
commitf2b7019d2e3c4f1f55be658659804b337dcfac60 (patch)
tree66c3f791fbcaba16c31a1f5673ffb2641148ecd8
parent976626073a7502fc91416155bd037a29deee729b (diff)
nfsd: set missing after_change as before_change + 1
In the event that we can't fetch post_op_attr attributes, we still need to set a value for the after_change. The operation has already happened, so we're not able to return an error at that point, but we do want to ensure that the client knows that its cache should be invalidated. If we weren't able to fetch post-op attrs, then just set the after_change to before_change + 1. The atomic flag should already be clear in this case. Suggested-by: Neil Brown <neilb@suse.de> Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
-rw-r--r--fs/nfsd/nfs4proc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index a9c84339ff65..7588fd1859a4 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -411,7 +411,7 @@ set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
if (WARN_ON_ONCE(!fhp->fh_pre_saved))
cinfo->before_change = 0;
if (!fhp->fh_post_saved)
- cinfo->after_change = 0;
+ cinfo->after_change = cinfo->before_change + 1;
}
static __be32