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author | J. Bruce Fields <bfields@redhat.com> | 2011-10-19 15:52:12 (GMT) |
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committer | J. Bruce Fields <bfields@redhat.com> | 2011-10-19 15:52:12 (GMT) |
commit | 8b289b2c2355c3bea75f3e499b4aa251a3191382 (patch) | |
tree | 1811962d5409e5585d9e21921080bf007dfe554b /fs | |
parent | a8d86cd75b709a9c9402c46674ea188493c53901 (diff) | |
download | linux-fsl-qoriq-8b289b2c2355c3bea75f3e499b4aa251a3191382.tar.xz |
nfsd4: implement new 4.1 open reclaim types
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nfsd/nfs4proc.c | 15 | ||||
-rw-r--r-- | fs/nfsd/nfs4state.c | 10 | ||||
-rw-r--r-- | fs/nfsd/nfs4xdr.c | 13 |
3 files changed, 24 insertions, 14 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 710b97b..458ebb6 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -366,12 +366,6 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, switch (open->op_claim_type) { case NFS4_OPEN_CLAIM_DELEGATE_CUR: case NFS4_OPEN_CLAIM_NULL: - /* - * (1) set CURRENT_FH to the file being opened, - * creating it if necessary, (2) set open->op_cinfo, - * (3) set open->op_truncate if the file is to be - * truncated after opening, (4) do permission checking. - */ status = do_open_lookup(rqstp, &cstate->current_fh, open); if (status) @@ -379,17 +373,14 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, break; case NFS4_OPEN_CLAIM_PREVIOUS: open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED; - /* - * The CURRENT_FH is already set to the file being - * opened. (1) set open->op_cinfo, (2) set - * open->op_truncate if the file is to be truncated - * after opening, (3) do permission checking. - */ + case NFS4_OPEN_CLAIM_FH: + case NFS4_OPEN_CLAIM_DELEG_CUR_FH: status = do_open_fhandle(rqstp, &cstate->current_fh, open); if (status) goto out; break; + case NFS4_OPEN_CLAIM_DELEG_PREV_FH: case NFS4_OPEN_CLAIM_DELEGATE_PREV: open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED; dprintk("NFSD: unsupported OPEN claim type %d\n", diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 15e0db1..e8c2a3e 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2587,6 +2587,12 @@ static struct nfs4_delegation *find_deleg_stateid(struct nfs4_client *cl, statei return delegstateid(ret); } +static bool nfsd4_is_deleg_cur(struct nfsd4_open *open) +{ + return open->op_claim_type == NFS4_OPEN_CLAIM_DELEGATE_CUR || + open->op_claim_type == NFS4_OPEN_CLAIM_DELEG_CUR_FH; +} + static __be32 nfs4_check_deleg(struct nfs4_client *cl, struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_delegation **dp) @@ -2602,7 +2608,7 @@ nfs4_check_deleg(struct nfs4_client *cl, struct nfs4_file *fp, struct nfsd4_open if (status) *dp = NULL; out: - if (open->op_claim_type != NFS4_OPEN_CLAIM_DELEGATE_CUR) + if (!nfsd4_is_deleg_cur(open)) return nfs_ok; if (status) return status; @@ -2879,7 +2885,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf goto out; } else { status = nfserr_bad_stateid; - if (open->op_claim_type == NFS4_OPEN_CLAIM_DELEGATE_CUR) + if (nfsd4_is_deleg_cur(open)) goto out; status = nfserr_jukebox; fp = open->op_file; diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 645a0a9..fdc09a5 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -803,6 +803,19 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) if ((status = check_filename(open->op_fname.data, open->op_fname.len, nfserr_inval))) return status; break; + case NFS4_OPEN_CLAIM_FH: + case NFS4_OPEN_CLAIM_DELEG_PREV_FH: + if (argp->minorversion < 1) + goto xdr_error; + /* void */ + break; + case NFS4_OPEN_CLAIM_DELEG_CUR_FH: + if (argp->minorversion < 1) + goto xdr_error; + status = nfsd4_decode_stateid(argp, &open->op_delegate_stateid); + if (status) + return status; + break; default: goto xdr_error; } |