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configfs: configfs_create_dir() has parent dentry in dentry->d_parent 

no need to play sick games with parent item, internal mount, etc.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
hifive-unleashed-5.1
Al Viro 2012-03-17 16:49:20 -04:00
parent 16d13b59b5
commit 0dd6c08a00
1 changed files with 5 additions and 15 deletions
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20
fs/configfs/dir.c
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@ -264,11 +264,13 @@ static int init_symlink(struct inode * inode)
return 0;
}
static int create_dir(struct config_item * k, struct dentry * p,
struct dentry * d)
static int create_dir(struct config_item *k, struct dentry *d)
{
int error;
umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO;
struct dentry *p = d->d_parent;
BUG_ON(!k);
error = configfs_dirent_exists(p->d_fsdata, d->d_name.name);
if (!error)
@ -304,19 +306,7 @@ static int create_dir(struct config_item * k, struct dentry * p,
static int configfs_create_dir(struct config_item * item, struct dentry *dentry)
{
struct dentry * parent;
int error = 0;
BUG_ON(!item);
if (item->ci_parent)
parent = item->ci_parent->ci_dentry;
else if (configfs_mount)
parent = configfs_mount->mnt_root;
else
return -EFAULT;
error = create_dir(item,parent,dentry);
int error = create_dir(item, dentry);
if (!error)
item->ci_dentry = dentry;
return error;