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41a638a1b3
Remove use of the old page APIs. That includes use of setting PageError on error; simply not setting the uptodate flag is sufficient. Link: https://lkml.kernel.org/r/20230713035512.4139457-3-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: David Sterba <dsterba@suse.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <brauner@kernel.org> Cc: Jan Kara <jack@suse.com> Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Pankaj Raghav <p.raghav@samsung.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Tom Rix <trix@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* linux/fs/affs/symlink.c
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*
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* 1995 Hans-Joachim Widmaier - Modified for affs.
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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*
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* affs symlink handling code
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*/
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#include "affs.h"
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static int affs_symlink_read_folio(struct file *file, struct folio *folio)
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{
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struct buffer_head *bh;
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struct inode *inode = folio->mapping->host;
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char *link = folio_address(folio);
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struct slink_front *lf;
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int i, j;
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char c;
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char lc;
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pr_debug("get_link(ino=%lu)\n", inode->i_ino);
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bh = affs_bread(inode->i_sb, inode->i_ino);
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if (!bh)
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goto fail;
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i = 0;
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j = 0;
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lf = (struct slink_front *)bh->b_data;
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lc = 0;
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if (strchr(lf->symname,':')) { /* Handle assign or volume name */
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struct affs_sb_info *sbi = AFFS_SB(inode->i_sb);
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char *pf;
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spin_lock(&sbi->symlink_lock);
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pf = sbi->s_prefix ? sbi->s_prefix : "/";
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while (i < 1023 && (c = pf[i]))
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link[i++] = c;
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spin_unlock(&sbi->symlink_lock);
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while (i < 1023 && lf->symname[j] != ':')
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link[i++] = lf->symname[j++];
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if (i < 1023)
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link[i++] = '/';
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j++;
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lc = '/';
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}
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while (i < 1023 && (c = lf->symname[j])) {
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if (c == '/' && lc == '/' && i < 1020) { /* parent dir */
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link[i++] = '.';
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link[i++] = '.';
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}
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link[i++] = c;
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lc = c;
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j++;
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}
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link[i] = '\0';
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affs_brelse(bh);
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folio_mark_uptodate(folio);
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folio_unlock(folio);
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return 0;
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fail:
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folio_unlock(folio);
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return -EIO;
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}
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const struct address_space_operations affs_symlink_aops = {
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.read_folio = affs_symlink_read_folio,
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};
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const struct inode_operations affs_symlink_inode_operations = {
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.get_link = page_get_link,
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.setattr = affs_notify_change,
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};
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