symlink.c (0d0def49d05ae988936268b0e57d19aeef8c3ad2) symlink.c (fceef393a538134f03b778c5d2519e670269342f)
1/*
2 * linux/fs/nfs/symlink.c
3 *
4 * Copyright (C) 1992 Rick Sladkey
5 *
6 * Optimization changes Copyright (C) 1994 Florian La Roche
7 *
8 * Jun 7 1999, cache symlink lookups in the page cache. -DaveM

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38
39error:
40 SetPageError(page);
41 unlock_page(page);
42 return -EIO;
43}
44
45static const char *nfs_get_link(struct dentry *dentry,
1/*
2 * linux/fs/nfs/symlink.c
3 *
4 * Copyright (C) 1992 Rick Sladkey
5 *
6 * Optimization changes Copyright (C) 1994 Florian La Roche
7 *
8 * Jun 7 1999, cache symlink lookups in the page cache. -DaveM

--- 29 unchanged lines hidden (view full) ---

38
39error:
40 SetPageError(page);
41 unlock_page(page);
42 return -EIO;
43}
44
45static const char *nfs_get_link(struct dentry *dentry,
46 struct inode *inode, void **cookie)
46 struct inode *inode,
47 struct delayed_call *done)
47{
48 struct page *page;
49 void *err;
50
51 if (!dentry) {
52 err = ERR_PTR(nfs_revalidate_mapping_rcu(inode));
53 if (err)
54 return err;

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63 err = ERR_PTR(nfs_revalidate_mapping(inode, inode->i_mapping));
64 if (err)
65 return err;
66 page = read_cache_page(&inode->i_data, 0,
67 (filler_t *)nfs_symlink_filler, inode);
68 if (IS_ERR(page))
69 return ERR_CAST(page);
70 }
48{
49 struct page *page;
50 void *err;
51
52 if (!dentry) {
53 err = ERR_PTR(nfs_revalidate_mapping_rcu(inode));
54 if (err)
55 return err;

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64 err = ERR_PTR(nfs_revalidate_mapping(inode, inode->i_mapping));
65 if (err)
66 return err;
67 page = read_cache_page(&inode->i_data, 0,
68 (filler_t *)nfs_symlink_filler, inode);
69 if (IS_ERR(page))
70 return ERR_CAST(page);
71 }
71 *cookie = page;
72 set_delayed_call(done, page_put_link, page);
72 return page_address(page);
73}
74
75/*
76 * symlinks can't do much...
77 */
78const struct inode_operations nfs_symlink_inode_operations = {
79 .readlink = generic_readlink,
80 .get_link = nfs_get_link,
73 return page_address(page);
74}
75
76/*
77 * symlinks can't do much...
78 */
79const struct inode_operations nfs_symlink_inode_operations = {
80 .readlink = generic_readlink,
81 .get_link = nfs_get_link,
81 .put_link = page_put_link,
82 .getattr = nfs_getattr,
83 .setattr = nfs_setattr,
84};
82 .getattr = nfs_getattr,
83 .setattr = nfs_setattr,
84};