d_alloc_anon(9)
NAME
d_alloc_anon - allocate an anonymous dentry
SYNOPSIS
struct dentry * d_alloc_anon(struct inode * inode);
ARGUMENTS
- inode
- inode to allocate the dentry for
DESCRIPTION
This is similar to d_alloc_root. It is used by filesystems when
creating a dentry for a given inode, often in the process of mapping a
filehandle to a dentry. The returned dentry may be anonymous, or may
have a full name (if the inode was already in the cache). The file
system may need to make further efforts to connect this dentry into the
dcache properly.
When called on a directory inode, we must ensure that the inode only
ever has one dentry. If a dentry is found, that is returned instead of
allocating a new one.
On successful return, the reference to the inode has been transferred
to the dentry. If NULL is returned (indicating kmalloc failure), the
reference on the inode has not been released.