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Linux/fs/coda/symlink.c

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  1 /*
  2  * Symlink inode operations for Coda filesystem
  3  * Original version: (C) 1996 P. Braam and M. Callahan
  4  * Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University
  5  * 
  6  * Carnegie Mellon encourages users to contribute improvements to
  7  * the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
  8  */
  9 
 10 #include <linux/types.h>
 11 #include <linux/kernel.h>
 12 #include <linux/time.h>
 13 #include <linux/fs.h>
 14 #include <linux/stat.h>
 15 #include <linux/errno.h>
 16 #include <linux/pagemap.h>
 17 
 18 #include <linux/coda.h>
 19 #include <linux/coda_psdev.h>
 20 
 21 #include "coda_linux.h"
 22 
 23 static int coda_symlink_filler(struct file *file, struct page *page)
 24 {
 25         struct inode *inode = page->mapping->host;
 26         int error;
 27         struct coda_inode_info *cii;
 28         unsigned int len = PAGE_SIZE;
 29         char *p = page_address(page);
 30 
 31         cii = ITOC(inode);
 32 
 33         error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
 34         if (error)
 35                 goto fail;
 36         SetPageUptodate(page);
 37         unlock_page(page);
 38         return 0;
 39 
 40 fail:
 41         SetPageError(page);
 42         unlock_page(page);
 43         return error;
 44 }
 45 
 46 const struct address_space_operations coda_symlink_aops = {
 47         .readpage       = coda_symlink_filler,
 48 };
 49 

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