On Wed, May 30, 2018 at 12:02:08PM +0200, Christoph Hellwig wrote:
> This way the implementation doesn't depend on buffer_head internals.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> fs/iomap.c | 85 +++++++++++++++++++++++++-----------------------------
> 1 file changed, 39 insertions(+), 46 deletions(-)
>
> diff --git a/fs/iomap.c b/fs/iomap.c
> index e75153f52748..5b92243808d3 100644
> --- a/fs/iomap.c
> +++ b/fs/iomap.c
> @@ -794,36 +794,51 @@ int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fi,
> }
> EXPORT_SYMBOL_GPL(iomap_fiemap);
>
> -/*
> - * Seek for SEEK_DATA / SEEK_HOLE within @page, starting at @lastoff.
> - *
> - * Returns the offset within the file on success, and -ENOENT otherwise.
> - */
> -static loff_t
> -page_seek_hole_data(struct page *page, loff_t lastoff, int whence)
> +static bool
> +page_seek_hole_data(struct inode *inode, struct page *page, loff_t *lastoff,
> + int whence)
Can we keep the comment explaining the return value?
> {
> - loff_t offset = page_offset(page);
> - struct buffer_head *bh, *head;
> + const struct address_space_operations *ops = inode->i_mapping->a_ops;
> + unsigned int bsize = i_blocksize(inode), off;
Split this into two lines.
Otherwise looks fine.
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
--
Dave Chinner
david@xxxxxxxxxxxxx
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