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switch rqst_exp_parent()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-04-18 03:00:46 -04:00
parent 91c9fa8f75
commit e64c390ca0
3 changed files with 24 additions and 29 deletions
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25
fs/nfsd/vfs.c
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@@ -169,28 +169,29 @@ nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp,
/* checking mountpoint crossing is very different when stepping up */
struct svc_export *exp2 = NULL;
struct dentry *dp;
struct vfsmount *mnt = mntget(exp->ex_path.mnt);
dentry = dget(dparent);
while(dentry == mnt->mnt_root && follow_up(&mnt, &dentry))
;
dp = dget_parent(dentry);
dput(dentry);
dentry = dp;
struct path path = {.mnt = mntget(exp->ex_path.mnt),
.dentry = dget(dparent)};
exp2 = rqst_exp_parent(rqstp, mnt, dentry);
while (path.dentry == path.mnt->mnt_root &&
follow_up(&path.mnt, &path.dentry))
;
dp = dget_parent(path.dentry);
dput(path.dentry);
path.dentry = dp;
exp2 = rqst_exp_parent(rqstp, &path);
if (PTR_ERR(exp2) == -ENOENT) {
dput(dentry);
dentry = dget(dparent);
} else if (IS_ERR(exp2)) {
host_err = PTR_ERR(exp2);
dput(dentry);
mntput(mnt);
path_put(&path);
goto out_nfserr;
} else {
dentry = dget(path.dentry);
exp_put(exp);
exp = exp2;
}
mntput(mnt);
path_put(&path);
}
} else {
fh_lock(fhp);