D_INVALIDATE(9) The Linux VFS D_INVALIDATE(9)
NAME d_invalidate - invalidate a dentry
SYNOPSIS int d_invalidate(struct dentry * dentry);
ARGUMENTS dentry dentry to invalidate
DESCRIPTION Try to invalidate the dentry if it turns out to be possible. If there are other dentries that can be reached through this one we can´t delete it and we return -EBUSY. On success we return 0.
no dcache lock.
COPYRIGHT Kernel Hackers Manual 2.6. November 2013 D_INVALIDATE(9)