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NFSv41: Clean up exclusive create 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2010-06-16 09:52:27 -04:00
parent a443234535
commit d77d76ffb6
2 changed files with 10 additions and 13 deletions
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17
fs/nfs/nfs4proc.c
View File

@ -744,19 +744,14 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path,
p->o_arg.server = server; p->o_arg.server = server;
p->o_arg.bitmask = server->attr_bitmask; p->o_arg.bitmask = server->attr_bitmask;
p->o_arg.claim = NFS4_OPEN_CLAIM_NULL; p->o_arg.claim = NFS4_OPEN_CLAIM_NULL;
if (flags & O_EXCL) { if (flags & O_CREAT) {
if (nfs4_has_persistent_session(server->nfs_client)) { u32 *s;
/* GUARDED */
p->o_arg.u.attrs = &p->attrs;
memcpy(&p->attrs, attrs, sizeof(p->attrs));
} else { /* EXCLUSIVE4_1 */
u32 *s = (u32 *) p->o_arg.u.verifier.data;
s[0] = jiffies;
s[1] = current->pid;
}
} else if (flags & O_CREAT) {
p->o_arg.u.attrs = &p->attrs; p->o_arg.u.attrs = &p->attrs;
memcpy(&p->attrs, attrs, sizeof(p->attrs)); memcpy(&p->attrs, attrs, sizeof(p->attrs));
s = (u32 *) p->o_arg.u.verifier.data;
s[0] = jiffies;
s[1] = current->pid;
} }
p->c_arg.fh = &p->o_res.fh; p->c_arg.fh = &p->o_res.fh;
p->c_arg.stateid = &p->o_res.stateid; p->c_arg.stateid = &p->o_res.stateid;

6
include/linux/nfs_xdr.h
View File

@ -196,8 +196,10 @@ struct nfs_openargs {
__u64 clientid; __u64 clientid;
__u64 id; __u64 id;
union { union {
struct iattr * attrs; /* UNCHECKED, GUARDED */ struct {
nfs4_verifier verifier; /* EXCLUSIVE */ struct iattr * attrs; /* UNCHECKED, GUARDED */
nfs4_verifier verifier; /* EXCLUSIVE */
};
nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
fmode_t delegation_type; /* CLAIM_PREVIOUS */ fmode_t delegation_type; /* CLAIM_PREVIOUS */
} u; } u;