On 05/05/2015 12:21 AM, Al Viro wrote:
> From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
>
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Acked-by: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx>
> ---
> fs/jfs/inode.c | 3 ++-
> fs/jfs/namei.c | 5 ++---
> fs/jfs/symlink.c | 10 +---------
> 3 files changed, 5 insertions(+), 13 deletions(-)
>
> diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
> index 070dc4b..6f1cb2b 100644
> --- a/fs/jfs/inode.c
> +++ b/fs/jfs/inode.c
> @@ -63,11 +63,12 @@ struct inode *jfs_iget(struct super_block *sb, unsigned long ino)
> inode->i_mapping->a_ops = &jfs_aops;
> } else {
> inode->i_op = &jfs_fast_symlink_inode_operations;
> + inode->i_link = JFS_IP(inode)->i_inline;
> /*
> * The inline data should be null-terminated, but
> * don't let on-disk corruption crash the kernel
> */
> - JFS_IP(inode)->i_inline[inode->i_size] = '\0';
> + inode->i_link[inode->i_size] = '\0';
> }
> } else {
> inode->i_op = &jfs_file_inode_operations;
> diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
> index 66db7bc..e33be92 100644
> --- a/fs/jfs/namei.c
> +++ b/fs/jfs/namei.c
> @@ -880,7 +880,6 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
> int ssize; /* source pathname size */
> struct btstack btstack;
> struct inode *ip = d_inode(dentry);
> - unchar *i_fastsymlink;
> s64 xlen = 0;
> int bmask = 0, xsize;
> s64 xaddr;
> @@ -946,8 +945,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
> if (ssize <= IDATASIZE) {
> ip->i_op = &jfs_fast_symlink_inode_operations;
>
> - i_fastsymlink = JFS_IP(ip)->i_inline;
> - memcpy(i_fastsymlink, name, ssize);
> + ip->i_link = JFS_IP(ip)->i_inline;
> + memcpy(ip->i_link, name, ssize);
> ip->i_size = ssize - 1;
>
> /*
> diff --git a/fs/jfs/symlink.c b/fs/jfs/symlink.c
> index 80f42bc..5929e23 100644
> --- a/fs/jfs/symlink.c
> +++ b/fs/jfs/symlink.c
> @@ -17,21 +17,13 @@
> */
>
> #include <linux/fs.h>
> -#include <linux/namei.h>
> #include "jfs_incore.h"
> #include "jfs_inode.h"
> #include "jfs_xattr.h"
>
> -static void *jfs_follow_link(struct dentry *dentry, struct nameidata *nd)
> -{
> - char *s = JFS_IP(d_inode(dentry))->i_inline;
> - nd_set_link(nd, s);
> - return NULL;
> -}
> -
> const struct inode_operations jfs_fast_symlink_inode_operations = {
> .readlink = generic_readlink,
> - .follow_link = jfs_follow_link,
> + .follow_link = simple_follow_link,
> .setattr = jfs_setattr,
> .setxattr = jfs_setxattr,
> .getxattr = jfs_getxattr,
>
--
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