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| author | NeilBrown <neilb@cse.unsw.edu.au> | 2005-06-24 05:02:54 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 07:06:28 (GMT) |
| commit | c44c5eeb2c022ddac98a8543c08dc8ff820561dc (patch) | |
| tree | 17e5d443ec77c228c1881cf624f63e01933a3f03 /fs/nfsd/nfs4state.c | |
| parent | 567d98292e81033182e3da4c33b41ada9c113447 (diff) | |
| download | linux-c44c5eeb2c022ddac98a8543c08dc8ff820561dc.tar.xz | |
[PATCH] nfsd4: add open state code for CLAIM_DELEGATE_CUR
State logic for OPEN with claim type CLAIM_DELEGATE_CUR, which the NFSv4
client uses to report local OPENs on a delegated file back to the NFSv4
server.
nfs4_check_deleg() performs input delegation stateid lookup and sanity check.
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 3791c9d..8ac0c9a 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1547,22 +1547,28 @@ find_delegation_file(struct nfs4_file *fp, stateid_t *stid) return NULL; } -static void +static int nfs4_check_deleg(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_delegation **dp) { int flags; - int status; + int status = nfserr_bad_stateid; *dp = find_delegation_file(fp, &open->op_delegate_stateid); if (*dp == NULL) - return; + goto out; flags = open->op_share_access == NFS4_SHARE_ACCESS_READ ? RD_STATE : WR_STATE; status = nfs4_check_delegmode(*dp, flags); if (status) *dp = NULL; - return; +out: + if (open->op_claim_type != NFS4_OPEN_CLAIM_DELEGATE_CUR) + return nfs_ok; + if (status) + return status; + open->op_stateowner->so_confirmed = 1; + return nfs_ok; } static int @@ -1760,8 +1766,13 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf if (fp) { if ((status = nfs4_check_open(fp, open, &stp))) goto out; - nfs4_check_deleg(fp, open, &dp); + status = nfs4_check_deleg(fp, open, &dp); + if (status) + goto out; } else { + status = nfserr_bad_stateid; + if (open->op_claim_type == NFS4_OPEN_CLAIM_DELEGATE_CUR) + goto out; status = nfserr_resource; fp = alloc_init_file(ino); if (fp == NULL) |