From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- fs/coda/symlink.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 fs/coda/symlink.c (limited to 'fs/coda/symlink.c') diff --git a/fs/coda/symlink.c b/fs/coda/symlink.c new file mode 100644 index 000000000..ccdbec388 --- /dev/null +++ b/fs/coda/symlink.c @@ -0,0 +1,48 @@ +// 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 +#include +#include +#include +#include +#include +#include + +#include +#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); + if (error) + goto fail; + folio_mark_uptodate(folio); + folio_unlock(folio); + return 0; + +fail: + folio_set_error(folio); + folio_unlock(folio); + return error; +} + +const struct address_space_operations coda_symlink_aops = { + .read_folio = coda_symlink_filler, +}; -- cgit v1.2.3