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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/export.c
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@ -1299,24 +1299,19 @@ gss:
}
struct svc_export *
rqst_exp_parent(struct svc_rqst *rqstp, struct vfsmount *mnt,
struct dentry *dentry)
rqst_exp_parent(struct svc_rqst *rqstp, struct path *path)
{
struct svc_export *exp;
struct path path = {.mnt = mnt, .dentry = dentry};
struct dentry *saved = dget(path->dentry);
struct svc_export *exp = rqst_exp_get_by_name(rqstp, path);
dget(dentry);
exp = rqst_exp_get_by_name(rqstp, &path);
while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(dentry)) {
struct dentry *parent;
parent = dget_parent(dentry);
dput(dentry);
dentry = parent;
exp = rqst_exp_get_by_name(rqstp, &path);
while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(path->dentry)) {
struct dentry *parent = dget_parent(path->dentry);
dput(path->dentry);
path->dentry = parent;
exp = rqst_exp_get_by_name(rqstp, path);
}
dput(dentry);
dput(path->dentry);
path->dentry = saved;
return exp;
}