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Take hash recalculation into do_lookup()

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Both callers of do_lookup() do the same thing before it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-08-13 18:27:43 +04:00
parent e9496ff46a
commit 3cac260ad8
1 changed files with 11 additions and 17 deletions
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28
fs/namei.c
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@ -767,8 +767,18 @@ static int do_lookup(struct nameidata *nd, struct qstr *name,
struct path *path)
{
struct vfsmount *mnt = nd->path.mnt;
struct dentry *dentry = __d_lookup(nd->path.dentry, name);
struct dentry *dentry;
/*
* See if the low-level filesystem might want
* to use its own hash..
*/
if (nd->path.dentry->d_op && nd->path.dentry->d_op->d_hash) {
int err = nd->path.dentry->d_op->d_hash(nd->path.dentry, name);
if (err < 0)
return err;
}
dentry = __d_lookup(nd->path.dentry, name);
if (!dentry)
goto need_lookup;
if (dentry->d_op && dentry->d_op->d_revalidate)
@ -868,16 +878,6 @@ static int link_path_walk(const char *name, struct nameidata *nd)
case 1:
continue;
}
/*
* See if the low-level filesystem might want
* to use its own hash..
*/
if (nd->path.dentry->d_op && nd->path.dentry->d_op->d_hash) {
err = nd->path.dentry->d_op->d_hash(nd->path.dentry,
&this);
if (err < 0)
break;
}
/* This does the actual lookups.. */
err = do_lookup(nd, &this, &next);
if (err)
@ -923,12 +923,6 @@ last_component:
case 1:
goto return_reval;
}
if (nd->path.dentry->d_op && nd->path.dentry->d_op->d_hash) {
err = nd->path.dentry->d_op->d_hash(nd->path.dentry,
&this);
if (err < 0)
break;
}
err = do_lookup(nd, &this, &next);
if (err)
break;