On Thu, May 31, 2018 at 08:07:49PM +0200, Christoph Hellwig wrote:
> Calling it file_offset makes the usage more clear, especially with
> a new poffset variable that will be added soon for the offset inside
> the page.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
> fs/xfs/xfs_aops.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> index d536509ca05b..6f57a785f4d3 100644
> --- a/fs/xfs/xfs_aops.c
> +++ b/fs/xfs/xfs_aops.c
> @@ -824,15 +824,15 @@ xfs_writepage_map(
> struct xfs_ioend *ioend, *next;
> struct buffer_head *bh, *head;
> ssize_t len = i_blocksize(inode);
> - uint64_t offset;
> + uint64_t file_offset; /* file offset of page */
> int error = 0;
> int count = 0;
> unsigned int new_type;
>
> bh = head = page_buffers(page);
> - offset = page_offset(page);
> + file_offset = page_offset(page);
> do {
> - if (offset >= end_offset)
> + if (file_offset >= end_offset)
> break;
>
> /*
> @@ -864,7 +864,7 @@ xfs_writepage_map(
> * If we already have a valid COW mapping keep using it.
> */
> if (wpc->io_type == XFS_IO_COW &&
> - xfs_imap_valid(inode, &wpc->imap, offset)) {
> + xfs_imap_valid(inode, &wpc->imap, file_offset)) {
> wpc->imap_valid = true;
> new_type = XFS_IO_COW;
> }
> @@ -876,13 +876,13 @@ xfs_writepage_map(
>
> if (wpc->imap_valid)
> wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap,
> - offset);
> + file_offset);
> if (!wpc->imap_valid || xfs_is_reflink_inode(XFS_I(inode))) {
> - error = xfs_map_blocks(wpc, inode, offset);
> + error = xfs_map_blocks(wpc, inode, file_offset);
> if (error)
> goto out;
> wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap,
> - offset);
> + file_offset);
> }
>
> if (!wpc->imap_valid || wpc->io_type == XFS_IO_HOLE)
> @@ -890,10 +890,10 @@ xfs_writepage_map(
>
> lock_buffer(bh);
> if (wpc->io_type != XFS_IO_OVERWRITE)
> - xfs_map_at_offset(inode, bh, &wpc->imap, offset);
> - xfs_add_to_ioend(inode, bh, offset, wpc, wbc, &submit_list);
> + xfs_map_at_offset(inode, bh, &wpc->imap, file_offset);
> + xfs_add_to_ioend(inode, bh, file_offset, wpc, wbc, &submit_list);
> count++;
> - } while (offset += len, ((bh = bh->b_this_page) != head));
> + } while (file_offset += len, ((bh = bh->b_this_page) != head));
>
> ASSERT(wpc->ioend || list_empty(&submit_list));
>
> --
> 2.17.0
>
> --
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