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/*
* Symlink inode operations for Coda filesystem
* Original version: (C) 1996 P. Braam and M. Callahan
* Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University
*
* Carnegie Mellon encourages users to contribute improvements to
* the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/locks.h>
#include <linux/smp_lock.h>
#include <linux/coda.h>
#include <linux/coda_linux.h>
#include <linux/coda_psdev.h>
#include <linux/coda_fs_i.h>
#include <linux/coda_proc.h>
static int coda_symlink_filler(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
int error;
struct coda_inode_info *cii;
unsigned int len = PAGE_SIZE;
char *p = kmap(page);
lock_kernel();
cii = ITOC(inode);
coda_vfs_stat.follow_link++;
error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
unlock_kernel();
if (error)
goto fail;
SetPageUptodate(page);
kunmap(page);
UnlockPage(page);
return 0;
fail:
SetPageError(page);
kunmap(page);
UnlockPage(page);
return error;
}
struct address_space_operations coda_symlink_aops = {
readpage: coda_symlink_filler
};
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