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// 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); 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, }; |