root/fs/coda/symlink.c

DEFINITIONS

1. coda_symlink_filler

/*
 * 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/time.h>
#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/pagemap.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>

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);

        error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
        unlock_kernel();
        if (error)
                goto fail;
        SetPageUptodate(page);
        kunmap(page);
        unlock_page(page);
        return 0;

fail:
        SetPageError(page);
        kunmap(page);
        unlock_page(page);
        return error;
}

const struct address_space_operations coda_symlink_aops = {
        .readpage       = coda_symlink_filler,
};