nfsd4: look up stateid's per clientid

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Use a separate stateid idr per client, and lookup a stateid by first
finding the client, then looking up the stateid relative to that client.

Also some minor refactoring.

This allows us to improve error returns: we can return expired when the
clientid is not found and bad_stateid when the clientid is found but not
the stateid, as opposed to returning expired for both cases.

I hope this will also help to replace the state lock mostly by a
per-client lock, but that hasn't been done yet.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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This commit is contained in:

J. Bruce Fields 2011-09-23 17:01:19 -04:00

parent 36279ac10c

commit 38c2f4b12a

3 changed files with 54 additions and 65 deletions

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112

fs/nfsd/nfs4state.c

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3

fs/nfsd/nfs4xdr.c

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4

fs/nfsd/state.h

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