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afs: switch dynroot lookups to d_splice_alias()

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->lookup() methods can (and should) use d_splice_alias() instead of
d_add().  Even if they are not going to be hit by open_by_handle(),
code does get copied around...

Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-06-23 20:48:31 -04:00
parent 50f3074011
commit 855371bd01
1 changed files with 3 additions and 15 deletions
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18
fs/afs/dynroot.c
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@ -143,7 +143,6 @@ static struct dentry *afs_dynroot_lookup(struct inode *dir, struct dentry *dentr
{
struct afs_vnode *vnode;
struct inode *inode;
int ret;
vnode = AFS_FS_I(dir);
@ -161,21 +160,10 @@ static struct dentry *afs_dynroot_lookup(struct inode *dir, struct dentry *dentr
return afs_lookup_atcell(dentry);
inode = afs_try_auto_mntpt(dentry, dir);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
if (ret == -ENOENT) {
d_add(dentry, NULL);
_leave(" = NULL [negative]");
return NULL;
}
_leave(" = %d [do]", ret);
return ERR_PTR(ret);
}
if (inode == ERR_PTR(-ENOENT))
inode = NULL;
d_add(dentry, inode);
_leave(" = 0 { ino=%lu v=%u }",
d_inode(dentry)->i_ino, d_inode(dentry)->i_generation);
return NULL;
return d_splice_alias(inode, dentry);
}
const struct inode_operations afs_dynroot_inode_operations = {