[net-next-2.6.git] / fs / coda / symlink.c

/*
 * 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/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);

	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,
};
Commit	Line	Data
1da177e4 LT	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>
1da177e4 LT	17
	18	#include <linux/coda.h>
	19	#include <linux/coda_linux.h>
	20	#include <linux/coda_psdev.h>
	21	#include <linux/coda_fs_i.h>
1da177e4 LT	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 = kmap(page);
	30
1da177e4	31	cii = ITOC(inode);
1da177e4 LT	32
1da177e4 LT	33	error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
1da177e4 LT	34	if (error)
	35	goto fail;
	36	SetPageUptodate(page);
	37	kunmap(page);
	38	unlock_page(page);
	39	return 0;
	40
	41	fail:
	42	SetPageError(page);
	43	kunmap(page);
	44	unlock_page(page);
	45	return error;
	46	}
	47
f5e54d6e	48	const struct address_space_operations coda_symlink_aops = {
1da177e4 LT	49	.readpage = coda_symlink_filler,
1da177e4 LT	50	};