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nfsd: cleanup and rename nfs4_check_open

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Rename it to better describe what it does, and have it just return the
stateid instead of a __be32 (which is now always nfs_ok). Also, do the
search for an existing stateid after the delegation check, to reduce
cleanup if the delegation check returns error.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2014-07-10 14:07:35 -04:00 committed by J. Bruce Fields
parent baeb4ff0e5
commit a46cb7f287
1 changed files with 6 additions and 9 deletions
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15
fs/nfsd/nfs4state.c
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@ -3297,10 +3297,10 @@ nfs4_check_deleg(struct nfs4_client *cl, struct nfsd4_open *open,
return nfs_ok;
}
static __be32
nfs4_check_open(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_ol_stateid **stpp)
static struct nfs4_ol_stateid *
nfsd4_find_existing_open(struct nfs4_file *fp, struct nfsd4_open *open)
{
struct nfs4_ol_stateid *local;
struct nfs4_ol_stateid *local, *ret = NULL;
struct nfs4_openowner *oo = open->op_openowner;
spin_lock(&fp->fi_lock);
@ -3308,14 +3308,13 @@ nfs4_check_open(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_ol_st
/* ignore lock owners */
if (local->st_stateowner->so_is_open_owner == 0)
continue;
/* remember if we have seen this open owner */
if (local->st_stateowner == &oo->oo_owner) {
*stpp = local;
ret = local;
break;
}
}
spin_unlock(&fp->fi_lock);
return nfs_ok;
return ret;
}
static inline int nfs4_access_to_access(u32 nfs4_access)
@ -3658,12 +3657,10 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
*/
fp = find_or_add_file(ino, open->op_file);
if (fp != open->op_file) {
status = nfs4_check_open(fp, open, &stp);
if (status)
goto out;
status = nfs4_check_deleg(cl, open, &dp);
if (status)
goto out;
stp = nfsd4_find_existing_open(fp, open);
} else {
open->op_file = NULL;
status = nfserr_bad_stateid;