Btw, this looks like a nasty enough bug that it might be worth queing
up for 2.6.36.
On Wed, Oct 13, 2010 at 11:15:49AM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> Direct modification of the inode reference count is a no-no. Convert
> the exofs decrements to call iput() instead of acting directly on
> i_count.
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> ---
> fs/exofs/inode.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
> index b631ff3..0fb4d4c 100644
> --- a/fs/exofs/inode.c
> +++ b/fs/exofs/inode.c
> @@ -1101,7 +1101,7 @@ static void create_done(struct exofs_io_state *ios, void *p)
>
> set_obj_created(oi);
>
> - atomic_dec(&inode->i_count);
> + iput(inode);
> wake_up(&oi->i_wq);
> }
>
> @@ -1161,7 +1161,7 @@ struct inode *exofs_new_inode(struct inode *dir, int mode)
> ios->cred = oi->i_cred;
> ret = exofs_sbi_create(ios);
> if (ret) {
> - atomic_dec(&inode->i_count);
> + iput(inode);
> exofs_put_io_state(ios);
> return ERR_PTR(ret);
> }
> --
> 1.7.1
>
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