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switch befs long symlinks to page_symlink_operations
just give them the right ->readpage()... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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parent
527e9316f8
commit
11803f97f0
@ -42,7 +42,7 @@ static struct inode *befs_iget(struct super_block *, unsigned long);
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static struct inode *befs_alloc_inode(struct super_block *sb);
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static void befs_destroy_inode(struct inode *inode);
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static void befs_destroy_inodecache(void);
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static const char *befs_follow_link(struct dentry *, void **);
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static int befs_symlink_readpage(struct file *, struct page *);
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static int befs_utf2nls(struct super_block *sb, const char *in, int in_len,
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char **out, int *out_len);
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static int befs_nls2utf(struct super_block *sb, const char *in, int in_len,
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@ -79,10 +79,8 @@ static const struct address_space_operations befs_aops = {
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.bmap = befs_bmap,
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};
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static const struct inode_operations befs_symlink_inode_operations = {
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.readlink = generic_readlink,
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.follow_link = befs_follow_link,
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.put_link = kfree_put_link,
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static const struct address_space_operations befs_symlink_aops = {
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.readpage = befs_symlink_readpage,
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};
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/*
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@ -398,7 +396,8 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
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inode->i_fop = &befs_dir_operations;
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} else if (S_ISLNK(inode->i_mode)) {
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if (befs_ino->i_flags & BEFS_LONG_SYMLINK) {
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inode->i_op = &befs_symlink_inode_operations;
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inode->i_op = &page_symlink_inode_operations;
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inode->i_mapping->a_ops = &befs_symlink_aops;
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} else {
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inode->i_link = befs_ino->i_data.symlink;
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inode->i_op = &simple_symlink_inode_operations;
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@ -463,31 +462,35 @@ befs_destroy_inodecache(void)
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* The data stream become link name. Unless the LONG_SYMLINK
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* flag is set.
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*/
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static const char *
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befs_follow_link(struct dentry *dentry, void **cookie)
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static int befs_symlink_readpage(struct file *unused, struct page *page)
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{
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struct super_block *sb = dentry->d_sb;
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struct befs_inode_info *befs_ino = BEFS_I(d_inode(dentry));
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struct inode *inode = page->mapping->host;
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struct super_block *sb = inode->i_sb;
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struct befs_inode_info *befs_ino = BEFS_I(inode);
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befs_data_stream *data = &befs_ino->i_data.ds;
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befs_off_t len = data->size;
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char *link;
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char *link = kmap(page);
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if (len == 0) {
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if (len == 0 || len > PAGE_SIZE) {
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befs_error(sb, "Long symlink with illegal length");
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return ERR_PTR(-EIO);
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goto fail;
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}
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befs_debug(sb, "Follow long symlink");
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link = kmalloc(len, GFP_NOFS);
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if (!link)
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return ERR_PTR(-ENOMEM);
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if (befs_read_lsymlink(sb, data, link, len) != len) {
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kfree(link);
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befs_error(sb, "Failed to read entire long symlink");
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return ERR_PTR(-EIO);
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goto fail;
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}
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link[len - 1] = '\0';
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return *cookie = link;
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SetPageUptodate(page);
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kunmap(page);
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unlock_page(page);
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return 0;
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fail:
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SetPageError(page);
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kunmap(page);
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unlock_page(page);
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return -EIO;
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}
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/*
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