2013/10/21 Geyslan G. Bem <[email protected]>:
> In case of error in the p9_client_write, the function v9fs_fid_xattr_set
> should return its negative value, what was never being done.
>
> In case of success it only retuned 0. Now it returns the 'offset'
> variable (write_count total).
>
> Signed-off-by: Geyslan G. Bem <[email protected]>
> ---
>  fs/9p/xattr.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
> index 3c28cdf..04133a1 100644
> --- a/fs/9p/xattr.c
> +++ b/fs/9p/xattr.c
> @@ -138,8 +138,7 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char 
> *name,
>         if (retval < 0) {
>                 p9_debug(P9_DEBUG_VFS, "p9_client_xattrcreate failed %d\n",
>                          retval);
> -               p9_client_clunk(fid);
> -               return retval;
> +               goto err;
>         }
>         msize = fid->clnt->msize;
>         while (value_len) {
> @@ -152,12 +151,15 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char 
> *name,
>                 if (write_count < 0) {
>                         /* error in xattr write */
>                         retval = write_count;
> -                       break;
> +                       goto err;
>                 }
>                 offset += write_count;
>                 value_len -= write_count;
>         }
> -       return p9_client_clunk(fid);
> +       retval = offset;
> +err:
> +       p9_client_clunk(fid);
> +       return retval;
>  }
>
>  ssize_t v9fs_listxattr(struct dentry *dentry, char *buffer, size_t 
> buffer_size)
> --
> 1.8.4
>

Eric,

As you can see, I modified the success return value to the offset
(write_count sum), following the same principle of
v9fs_fid_xattr_get():
http://lxr.free-electrons.com/source/fs/9p/xattr.c#L65

What do you think?

Regards.
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