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Subject[PATCH 7/9] Use struct path in struct svc_expkey
I'm embedding struct path into struct svc_expkey.

Signed-off-by: Jan Blunck <jblunck@suse.de>
---
fs/nfsd/export.c | 30 +++++++++++++-----------------
include/linux/nfsd/export.h | 3 +--
2 files changed, 14 insertions(+), 19 deletions(-)
Index: b/fs/nfsd/export.c
===================================================================
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -63,10 +63,8 @@ static void expkey_put(struct kref *ref)
struct svc_expkey *key = container_of(ref, struct svc_expkey, h.ref);

if (test_bit(CACHE_VALID, &key->h.flags) &&
- !test_bit(CACHE_NEGATIVE, &key->h.flags)) {
- dput(key->ek_dentry);
- mntput(key->ek_mnt);
- }
+ !test_bit(CACHE_NEGATIVE, &key->h.flags))
+ path_put(&key->ek_path);
auth_domain_put(key->ek_client);
kfree(key);
}
@@ -169,9 +167,8 @@ static int expkey_parse(struct cache_det
goto out;

dprintk("Found the path %s\n", buf);
- key.ek_mnt = nd.path.mnt;
- key.ek_dentry = nd.path.dentry;
-
+ key.ek_path = nd.path;
+
ek = svc_expkey_update(&key, ek);
if (ek)
cache_put(&ek->h, &svc_expkey_cache);
@@ -206,7 +203,7 @@ static int expkey_show(struct seq_file *
if (test_bit(CACHE_VALID, &h->flags) &&
!test_bit(CACHE_NEGATIVE, &h->flags)) {
seq_printf(m, " ");
- seq_path(m, ek->ek_mnt, ek->ek_dentry, "\\ \t\n");
+ seq_path(m, ek->ek_path.mnt, ek->ek_path.dentry, "\\ \t\n");
}
seq_printf(m, "\n");
return 0;
@@ -243,8 +240,8 @@ static inline void expkey_update(struct
struct svc_expkey *new = container_of(cnew, struct svc_expkey, h);
struct svc_expkey *item = container_of(citem, struct svc_expkey, h);

- new->ek_mnt = mntget(item->ek_mnt);
- new->ek_dentry = dget(item->ek_dentry);
+ new->ek_path = item->ek_path;
+ path_get(&item->ek_path);
}

static struct cache_head *expkey_alloc(void)
@@ -814,8 +811,7 @@ static int exp_set_key(svc_client *clp,
key.ek_client = clp;
key.ek_fsidtype = fsid_type;
memcpy(key.ek_fsid, fsidv, key_len(fsid_type));
- key.ek_mnt = exp->ex_path.mnt;
- key.ek_dentry = exp->ex_path.dentry;
+ key.ek_path = exp->ex_path;
key.h.expiry_time = NEVER;
key.h.flags = 0;

@@ -864,7 +860,7 @@ static svc_export *exp_get_by_name(svc_c
{
struct svc_export *exp, key;
int err;
-
+
if (!clp)
return ERR_PTR(-ENOENT);

@@ -1036,9 +1032,9 @@ exp_export(struct nfsctl_export *nxp)
/* must make sure there won't be an ex_fsid clash */
if ((nxp->ex_flags & NFSEXP_FSID) &&
(!IS_ERR(fsid_key = exp_get_fsid_key(clp, nxp->ex_dev))) &&
- fsid_key->ek_mnt &&
- (fsid_key->ek_mnt != nd.path.mnt ||
- fsid_key->ek_dentry != nd.path.dentry))
+ fsid_key->ek_path.mnt &&
+ (fsid_key->ek_path.mnt != nd.path.mnt ||
+ fsid_key->ek_path.dentry != nd.path.dentry))
goto finish;

if (!IS_ERR(exp)) {
@@ -1219,7 +1215,7 @@ static struct svc_export *exp_find(struc
if (IS_ERR(ek))
return ERR_PTR(PTR_ERR(ek));

- exp = exp_get_by_name(clp, ek->ek_mnt, ek->ek_dentry, reqp);
+ exp = exp_get_by_name(clp, ek->ek_path.mnt, ek->ek_path.dentry, reqp);
cache_put(&ek->h, &svc_expkey_cache);

if (IS_ERR(exp))
Index: b/include/linux/nfsd/export.h
===================================================================
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -106,8 +106,7 @@ struct svc_expkey {
int ek_fsidtype;
u32 ek_fsid[6];

- struct vfsmount * ek_mnt;
- struct dentry * ek_dentry;
+ struct path ek_path;
};

#define EX_SECURE(exp) (!((exp)->ex_flags & NFSEXP_INSECURE_PORT))

-
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