diff mbox series

[17/21] iomap,xfs: Convert ->discard_page to ->discard_folio

Message ID 20211101203929.954622-18-willy@infradead.org (mailing list archive)
State Superseded
Headers show
Series iomap/xfs folio patches | expand

Commit Message

Matthew Wilcox Nov. 1, 2021, 8:39 p.m. UTC 
XFS has the only implementation of ->discard_page today, so convert it
to use folios in the same patch as converting the API.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/iomap/buffered-io.c |  4 ++--
 fs/xfs/xfs_aops.c      | 24 ++++++++++++------------
 include/linux/iomap.h  |  2 +-
 3 files changed, 15 insertions(+), 15 deletions(-)

Comments

Christoph Hellwig Nov. 2, 2021, 7:23 a.m. UTC | #1 
On Mon, Nov 01, 2021 at 08:39:25PM +0000, Matthew Wilcox (Oracle) wrote:
> XFS has the only implementation of ->discard_page today, so convert it
> to use folios in the same patch as converting the API.

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
Darrick J. Wong Nov. 3, 2021, 3:43 p.m. UTC | #2 
On Mon, Nov 01, 2021 at 08:39:25PM +0000, Matthew Wilcox (Oracle) wrote:
> XFS has the only implementation of ->discard_page today, so convert it
> to use folios in the same patch as converting the API.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

LGTM
Reviewed-by: Darrick J. Wong <djwong@kernel.org>

--D

> ---
>  fs/iomap/buffered-io.c |  4 ++--
>  fs/xfs/xfs_aops.c      | 24 ++++++++++++------------
>  include/linux/iomap.h  |  2 +-
>  3 files changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
> index 6862487f4067..c50ae76835ca 100644
> --- a/fs/iomap/buffered-io.c
> +++ b/fs/iomap/buffered-io.c
> @@ -1349,8 +1349,8 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc,
>  		 * won't be affected by I/O completion and we must unlock it
>  		 * now.
>  		 */
> -		if (wpc->ops->discard_page)
> -			wpc->ops->discard_page(page, file_offset);
> +		if (wpc->ops->discard_folio)
> +			wpc->ops->discard_folio(page_folio(page), file_offset);
>  		if (!count) {
>  			ClearPageUptodate(page);
>  			unlock_page(page);
> diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> index 34fc6148032a..c6c4d07d0d26 100644
> --- a/fs/xfs/xfs_aops.c
> +++ b/fs/xfs/xfs_aops.c
> @@ -428,37 +428,37 @@ xfs_prepare_ioend(
>   * see a ENOSPC in writeback).
>   */
>  static void
> -xfs_discard_page(
> -	struct page		*page,
> -	loff_t			fileoff)
> +xfs_discard_folio(
> +	struct folio		*folio,
> +	loff_t			pos)
>  {
> -	struct inode		*inode = page->mapping->host;
> +	struct inode		*inode = folio->mapping->host;
>  	struct xfs_inode	*ip = XFS_I(inode);
>  	struct xfs_mount	*mp = ip->i_mount;
> -	unsigned int		pageoff = offset_in_page(fileoff);
> -	xfs_fileoff_t		start_fsb = XFS_B_TO_FSBT(mp, fileoff);
> -	xfs_fileoff_t		pageoff_fsb = XFS_B_TO_FSBT(mp, pageoff);
> +	size_t			offset = offset_in_folio(folio, pos);
> +	xfs_fileoff_t		start_fsb = XFS_B_TO_FSBT(mp, pos);
> +	xfs_fileoff_t		pageoff_fsb = XFS_B_TO_FSBT(mp, offset);
>  	int			error;
>  
>  	if (xfs_is_shutdown(mp))
>  		goto out_invalidate;
>  
>  	xfs_alert_ratelimited(mp,
> -		"page discard on page "PTR_FMT", inode 0x%llx, offset %llu.",
> -			page, ip->i_ino, fileoff);
> +		"page discard on page "PTR_FMT", inode 0x%llx, pos %llu.",
> +			folio, ip->i_ino, pos);
>  
>  	error = xfs_bmap_punch_delalloc_range(ip, start_fsb,
> -			i_blocks_per_page(inode, page) - pageoff_fsb);
> +			i_blocks_per_folio(inode, folio) - pageoff_fsb);
>  	if (error && !xfs_is_shutdown(mp))
>  		xfs_alert(mp, "page discard unable to remove delalloc mapping.");
>  out_invalidate:
> -	iomap_invalidatepage(page, pageoff, PAGE_SIZE - pageoff);
> +	iomap_invalidate_folio(folio, offset, folio_size(folio) - offset);
>  }
>  
>  static const struct iomap_writeback_ops xfs_writeback_ops = {
>  	.map_blocks		= xfs_map_blocks,
>  	.prepare_ioend		= xfs_prepare_ioend,
> -	.discard_page		= xfs_discard_page,
> +	.discard_folio		= xfs_discard_folio,
>  };
>  
>  STATIC int
> diff --git a/include/linux/iomap.h b/include/linux/iomap.h
> index 91de58ca09fc..1a161314d7e4 100644
> --- a/include/linux/iomap.h
> +++ b/include/linux/iomap.h
> @@ -285,7 +285,7 @@ struct iomap_writeback_ops {
>  	 * Optional, allows the file system to discard state on a page where
>  	 * we failed to submit any I/O.
>  	 */
> -	void (*discard_page)(struct page *page, loff_t fileoff);
> +	void (*discard_folio)(struct folio *folio, loff_t pos);
>  };
>  
>  struct iomap_writepage_ctx {
> -- 
> 2.33.0
>
diff mbox series

Patch

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 6862487f4067..c50ae76835ca 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1349,8 +1349,8 @@  iomap_writepage_map(struct iomap_writepage_ctx *wpc,
 		 * won't be affected by I/O completion and we must unlock it
 		 * now.
 		 */
-		if (wpc->ops->discard_page)
-			wpc->ops->discard_page(page, file_offset);
+		if (wpc->ops->discard_folio)
+			wpc->ops->discard_folio(page_folio(page), file_offset);
 		if (!count) {
 			ClearPageUptodate(page);
 			unlock_page(page);
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 34fc6148032a..c6c4d07d0d26 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -428,37 +428,37 @@  xfs_prepare_ioend(
  * see a ENOSPC in writeback).
  */
 static void
-xfs_discard_page(
-	struct page		*page,
-	loff_t			fileoff)
+xfs_discard_folio(
+	struct folio		*folio,
+	loff_t			pos)
 {
-	struct inode		*inode = page->mapping->host;
+	struct inode		*inode = folio->mapping->host;
 	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
-	unsigned int		pageoff = offset_in_page(fileoff);
-	xfs_fileoff_t		start_fsb = XFS_B_TO_FSBT(mp, fileoff);
-	xfs_fileoff_t		pageoff_fsb = XFS_B_TO_FSBT(mp, pageoff);
+	size_t			offset = offset_in_folio(folio, pos);
+	xfs_fileoff_t		start_fsb = XFS_B_TO_FSBT(mp, pos);
+	xfs_fileoff_t		pageoff_fsb = XFS_B_TO_FSBT(mp, offset);
 	int			error;
 
 	if (xfs_is_shutdown(mp))
 		goto out_invalidate;
 
 	xfs_alert_ratelimited(mp,
-		"page discard on page "PTR_FMT", inode 0x%llx, offset %llu.",
-			page, ip->i_ino, fileoff);
+		"page discard on page "PTR_FMT", inode 0x%llx, pos %llu.",
+			folio, ip->i_ino, pos);
 
 	error = xfs_bmap_punch_delalloc_range(ip, start_fsb,
-			i_blocks_per_page(inode, page) - pageoff_fsb);
+			i_blocks_per_folio(inode, folio) - pageoff_fsb);
 	if (error && !xfs_is_shutdown(mp))
 		xfs_alert(mp, "page discard unable to remove delalloc mapping.");
 out_invalidate:
-	iomap_invalidatepage(page, pageoff, PAGE_SIZE - pageoff);
+	iomap_invalidate_folio(folio, offset, folio_size(folio) - offset);
 }
 
 static const struct iomap_writeback_ops xfs_writeback_ops = {
 	.map_blocks		= xfs_map_blocks,
 	.prepare_ioend		= xfs_prepare_ioend,
-	.discard_page		= xfs_discard_page,
+	.discard_folio		= xfs_discard_folio,
 };
 
 STATIC int
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 91de58ca09fc..1a161314d7e4 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -285,7 +285,7 @@  struct iomap_writeback_ops {
 	 * Optional, allows the file system to discard state on a page where
 	 * we failed to submit any I/O.
 	 */
-	void (*discard_page)(struct page *page, loff_t fileoff);
+	void (*discard_folio)(struct folio *folio, loff_t pos);
 };
 
 struct iomap_writepage_ctx {