On Sun 30-05-10 22:50:18, Christoph Hellwig wrote:
> Split up the block_write_begin implementation - __block_write_begin is a new
> trivial wrapper for block_prepare_write that always takes an already
> allocated page and can be either called from block_write_begin or filesystem
> code that already has a page allocated. Remove the handling of already
> allocated pages from block_write_begin after switching all callers that
> do it to __block_write_begin.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>
> Index: linux-2.6/fs/buffer.c
> ===================================================================
> --- linux-2.6.orig/fs/buffer.c 2010-05-30 22:32:22.754253961 +0200
> +++ linux-2.6/fs/buffer.c 2010-05-30 22:40:16.496254519 +0200
> @@ -1833,9 +1833,10 @@ void page_zero_new_buffers(struct page *
> }
> EXPORT_SYMBOL(page_zero_new_buffers);
>
> -static int __block_prepare_write(struct inode *inode, struct page *page,
> - unsigned from, unsigned to, get_block_t *get_block)
> +int block_prepare_write(struct page *page, unsigned from, unsigned to,
> + get_block_t *get_block)
> {
> + struct inode *inode = page->mapping->host;
This new variable doesn't seem to be used...
Honza
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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