#include <linux/module.h> #include <linux/fs.h> #include <linux/fs_stack.h> /* does _NOT_ require i_mutex to be held. * * This function cannot be inlined since i_size_{read,write} is rather * heavy-weight on 32-bit systems */ void fsstack_copy_inode_size(struct inode *dst, const struct inode *src) { i_size_write(dst, i_size_read((struct inode *)src)); dst->i_blocks = src->i_blocks; } EXPORT_SYMBOL_GPL(fsstack_copy_inode_size); /* copy all attributes; get_nlinks is optional way to override the i_nlink * copying */ void fsstack_copy_attr_all(struct inode *dest, const struct inode *src, int (*get_nlinks)(struct inode *)) { dest->i_mode = src->i_mode; dest->i_uid = src->i_uid; dest->i_gid = src->i_gid; dest->i_rdev = src->i_rdev; dest->i_atime = src->i_atime; dest->i_mtime = src->i_mtime; dest->i_ctime = src->i_ctime; dest->i_blkbits = src->i_blkbits; dest->i_flags = src->i_flags; /* * Update the nlinks AFTER updating the above fields, because the * get_links callback may depend on them. */ if (!get_nlinks) dest->i_nlink = src->i_nlink; else dest->i_nlink = (*get_nlinks)(dest); } EXPORT_SYMBOL_GPL(fsstack_copy_attr_all);