On Wed, Jul 26, 2006 at 01:18:15PM +0400, Evgeniy Polyakov wrote:
>
> This patch includes asynchronous propagation of file's data into VFS
> cache and aio_sendfile() implementation.
> Network aio_sendfile() works lazily - it asynchronously populates pages
> into the VFS cache (which can be used for various tricks with adaptive
> readahead) and then uses usual ->sendfile() callback.
>
> Signed-off-by: Evgeniy Polyakov <[email protected]>
>
> diff --git a/fs/bio.c b/fs/bio.c
> index 6a0b9ad..a3ee530 100644
> --- a/fs/bio.c
> +++ b/fs/bio.c
> @@ -119,7 +119,7 @@ void bio_free(struct bio *bio, struct bi
> /*
> * default destructor for a bio allocated with bio_alloc_bioset()
> */
> -static void bio_fs_destructor(struct bio *bio)
> +void bio_fs_destructor(struct bio *bio)
> {
> bio_free(bio, fs_bio_set);
> }
> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
> index 04af9c4..295fce9 100644
> --- a/fs/ext2/inode.c
> +++ b/fs/ext2/inode.c
> @@ -685,6 +685,7 @@ ext2_writepages(struct address_space *ma
> }
>
> struct address_space_operations ext2_aops = {
> + .get_block = ext2_get_block,
No way in hell. For whatever you do please provide a interface at
the readpage/writepage/sendfile/etc abstraction layer. get_block is
nothing that can be exposed to the common code.
-
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