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    Subject[PATCH 04/34] vfs: do_last(): use inode variable
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    From: Miklos Szeredi <mszeredi@suse.cz>

    Use helper variable instead of path->dentry->d_inode before complete_walk().
    This will allow this code to be used in RCU mode.

    Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
    ---
    fs/namei.c | 7 ++++---
    1 files changed, 4 insertions(+), 3 deletions(-)

    diff --git a/fs/namei.c b/fs/namei.c
    index 0ca5e40..58d1f62 100644
    --- a/fs/namei.c
    +++ b/fs/namei.c
    @@ -2389,15 +2389,16 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
    if (error)
    nd->flags |= LOOKUP_JUMPED;

    + inode = path->dentry->d_inode;
    error = -ENOENT;
    - if (!path->dentry->d_inode)
    + if (!inode)
    goto exit_dput;

    - if (path->dentry->d_inode->i_op->follow_link)
    + if (inode->i_op->follow_link)
    return NULL;

    path_to_nameidata(path, nd);
    - nd->inode = path->dentry->d_inode;
    + nd->inode = inode;
    /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
    error = complete_walk(nd);
    if (error)
    --
    1.7.7


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