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lustre: get rid of duplicate mountpoint checks

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VFS has already done them

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-10-20 23:36:49 -04:00
parent 59cc93ef27
commit fd5c6c36a2
1 changed files with 0 additions and 35 deletions
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35
drivers/staging/lustre/lustre/llite/namei.c
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@ -54,27 +54,6 @@
static int ll_create_it(struct inode *, struct dentry *,
int, struct lookup_intent *);
/*
* Check if we have something mounted at the named dchild.
* In such a case there would always be dentry present.
*/
static int ll_d_mountpoint(struct dentry *dparent, struct dentry *dchild,
struct qstr *name)
{
int mounted = 0;
if (unlikely(dchild)) {
mounted = d_mountpoint(dchild);
} else if (dparent) {
dchild = d_lookup(dparent, name);
if (dchild) {
mounted = d_mountpoint(dchild);
dput(dchild);
}
}
return mounted;
}
/* called from iget5_locked->find_inode() under inode_hash_lock spinlock */
static int ll_test_inode(struct inode *inode, void *opaque)
{
@ -1003,13 +982,6 @@ static int ll_unlink(struct inode * dir, struct dentry *dentry)
CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p)\n",
dentry, dir->i_ino, dir->i_generation, dir);
/*
* XXX: unlink bind mountpoint maybe call to here,
* just check it as vfs_unlink does.
*/
if (unlikely(ll_d_mountpoint(NULL, dentry, &dentry->d_name)))
return -EBUSY;
op_data = ll_prep_md_op_data(NULL, dir, NULL,
dentry->d_name.name,
dentry->d_name.len,
@ -1060,9 +1032,6 @@ static int ll_rmdir(struct inode *dir, struct dentry *dentry)
CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p)\n",
dentry, dir->i_ino, dir->i_generation, dir);
if (unlikely(ll_d_mountpoint(NULL, dentry, &dentry->d_name)))
return -EBUSY;
op_data = ll_prep_md_op_data(NULL, dir, NULL,
dentry->d_name.name,
dentry->d_name.len,
@ -1147,10 +1116,6 @@ static int ll_rename(struct inode *old_dir, struct dentry *old_dentry,
old_dir->i_ino, old_dir->i_generation, old_dir, new_dentry,
new_dir->i_ino, new_dir->i_generation, new_dir);
if (unlikely(ll_d_mountpoint(NULL, old_dentry, &old_dentry->d_name) ||
ll_d_mountpoint(NULL, new_dentry, &new_dentry->d_name)))
return -EBUSY;
op_data = ll_prep_md_op_data(NULL, old_dir, new_dir, NULL, 0, 0,
LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))