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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2006-01-19 02:43:32 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-19 04:20:26 +0100 |
| commit | ae8b625313db4dd4b060962c2a02f3a2837ca61b (patch) | |
| tree | 537c4cc4225321099423d37f85da9264e2b69c2b /fs/nfsd/nfs4state.c | |
| parent | [PATCH] nfsd4: handle replays of failed open reclaims (diff) | |
| download | linux-ae8b625313db4dd4b060962c2a02f3a2837ca61b.tar.xz linux-ae8b625313db4dd4b060962c2a02f3a2837ca61b.zip | |
[PATCH] nfsd4: no replays on unconfirmed owners
We shouldn't check for replays until after checking whether the open owner is
confirmed. Clients are allowed to reuse openowners without bumping the seqid.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to '')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index e13d2233ff8c..dc792b6b4513 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1465,8 +1465,16 @@ nfsd4_process_open1(struct nfsd4_open *open) sop = find_openstateowner_str(strhashval, open); if (sop) { open->op_stateowner = sop; - /* check for replay */ - if (open->op_seqid == sop->so_seqid - 1){ + if (!sop->so_confirmed) { + /* Replace any unconfirmed stateowner without + * even checking for replays */ + clp = sop->so_client; + release_stateowner(sop); + } else if (open->op_seqid == sop->so_seqid) { + /* normal case */ + goto renew; + } else if (open->op_seqid == sop->so_seqid - 1) { + /* replay */ if (sop->so_replay.rp_buflen) return NFSERR_REPLAY_ME; else { @@ -1480,19 +1488,9 @@ nfsd4_process_open1(struct nfsd4_open *open) " replay with no replay cache\n"); goto renew; } - } else if (sop->so_confirmed) { - if (open->op_seqid == sop->so_seqid) - goto renew; + } else { status = nfserr_bad_seqid; goto out; - } else { - /* If we get here, we received an OPEN for an - * unconfirmed nfs4_stateowner. Since the seqid's are - * different, purge the existing nfs4_stateowner, and - * instantiate a new one. - */ - clp = sop->so_client; - release_stateowner(sop); } } else { /* nfs4_stateowner not found. |