symlink.c

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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 ([email protected]).
 */

#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/coda.h>
#include <linux/coda_psdev.h>

#include "coda_linux.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);

    cii = ITOC(inode);

    error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
    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,
};