mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-23 20:24:12 +08:00
8c30a7344a
This is slightly more efficient than separate calls to folio_mark_uptodate() and folio_unlock(), and it's easier to read. Get rid of the call to folio_set_error() as nobody will check this flag. Cc: Jan Harkes <jaharkes@cs.cmu.edu> Cc: coda@cs.cmu.edu Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lore.kernel.org/r/20240530202110.2653630-3-willy@infradead.org Signed-off-by: Christian Brauner <brauner@kernel.org>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* 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 "coda_psdev.h"
|
|
#include "coda_linux.h"
|
|
|
|
static int coda_symlink_filler(struct file *file, struct folio *folio)
|
|
{
|
|
struct inode *inode = folio->mapping->host;
|
|
int error;
|
|
struct coda_inode_info *cii;
|
|
unsigned int len = PAGE_SIZE;
|
|
char *p = folio_address(folio);
|
|
|
|
cii = ITOC(inode);
|
|
|
|
error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
|
|
folio_end_read(folio, error == 0);
|
|
return error;
|
|
}
|
|
|
|
const struct address_space_operations coda_symlink_aops = {
|
|
.read_folio = coda_symlink_filler,
|
|
};
|