hostfs_kern.c (6b2553918d8b4e6de9853fd6315bec7271a2e592) hostfs_kern.c (fceef393a538134f03b778c5d2519e670269342f)
1/*
2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
4 *
5 * Ported the filesystem routines to 2.5.
6 * 2003-02-10 Petr Baudis <pasky@ucw.cz>
7 */
8

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888 .rmdir = hostfs_rmdir,
889 .mknod = hostfs_mknod,
890 .rename2 = hostfs_rename2,
891 .permission = hostfs_permission,
892 .setattr = hostfs_setattr,
893};
894
895static const char *hostfs_get_link(struct dentry *dentry,
1/*
2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
4 *
5 * Ported the filesystem routines to 2.5.
6 * 2003-02-10 Petr Baudis <pasky@ucw.cz>
7 */
8

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888 .rmdir = hostfs_rmdir,
889 .mknod = hostfs_mknod,
890 .rename2 = hostfs_rename2,
891 .permission = hostfs_permission,
892 .setattr = hostfs_setattr,
893};
894
895static const char *hostfs_get_link(struct dentry *dentry,
896 struct inode *inode, void **cookie)
896 struct inode *inode,
897 struct delayed_call *done)
897{
898 char *link;
899 if (!dentry)
900 return ERR_PTR(-ECHILD);
898{
899 char *link;
900 if (!dentry)
901 return ERR_PTR(-ECHILD);
901 link = __getname();
902 link = kmalloc(PATH_MAX, GFP_KERNEL);
902 if (link) {
903 char *path = dentry_name(dentry);
904 int err = -ENOMEM;
905 if (path) {
906 err = hostfs_do_readlink(path, link, PATH_MAX);
907 if (err == PATH_MAX)
908 err = -E2BIG;
909 __putname(path);
910 }
911 if (err < 0) {
903 if (link) {
904 char *path = dentry_name(dentry);
905 int err = -ENOMEM;
906 if (path) {
907 err = hostfs_do_readlink(path, link, PATH_MAX);
908 if (err == PATH_MAX)
909 err = -E2BIG;
910 __putname(path);
911 }
912 if (err < 0) {
912 __putname(link);
913 kfree(link);
913 return ERR_PTR(err);
914 }
915 } else {
916 return ERR_PTR(-ENOMEM);
917 }
918
914 return ERR_PTR(err);
915 }
916 } else {
917 return ERR_PTR(-ENOMEM);
918 }
919
919 return *cookie = link;
920 set_delayed_call(done, kfree_link, link);
921 return link;
920}
921
922}
923
922static void hostfs_put_link(struct inode *unused, void *cookie)
923{
924 __putname(cookie);
925}
926
927static const struct inode_operations hostfs_link_iops = {
928 .readlink = generic_readlink,
929 .get_link = hostfs_get_link,
924static const struct inode_operations hostfs_link_iops = {
925 .readlink = generic_readlink,
926 .get_link = hostfs_get_link,
930 .put_link = hostfs_put_link,
931};
932
933static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
934{
935 struct inode *root_inode;
936 char *host_root_path, *req_root = d;
937 int err;
938

--- 86 unchanged lines hidden --- 		927};
928
929static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
930{
931 struct inode *root_inode;
932 char *host_root_path, *req_root = d;
933 int err;
934

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