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From: Stefan Roesch <[email protected]>
To: <[email protected]>, <[email protected]>,
	<[email protected]>, <[email protected]>,
	<[email protected]>
Cc: <[email protected]>, <[email protected]>, <[email protected]>, <[email protected]>
Subject: [RFC PATCH v4 05/17] iomap: Add gfp parameter to iomap_page_create()
Date: Fri, 20 May 2022 11:36:34 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Add the gfp flags parameter to the function iomap_page_create() to be
able to specify gfp flags.

No intended functional changes in this patch.

Signed-off-by: Stefan Roesch <[email protected]>
---
 fs/iomap/buffered-io.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 8ce8720093b9..27e67bfc64f5 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -44,7 +44,7 @@ static inline struct iomap_page *to_iomap_page(struct folio *folio)
 static struct bio_set iomap_ioend_bioset;
 
 static struct iomap_page *
-iomap_page_create(struct inode *inode, struct folio *folio)
+iomap_page_create(struct inode *inode, struct folio *folio, gfp_t gfp)
 {
 	struct iomap_page *iop = to_iomap_page(folio);
 	unsigned int nr_blocks = i_blocks_per_folio(inode, folio);
@@ -52,8 +52,8 @@ iomap_page_create(struct inode *inode, struct folio *folio)
 	if (iop || nr_blocks <= 1)
 		return iop;
 
-	iop = kzalloc(struct_size(iop, uptodate, BITS_TO_LONGS(nr_blocks)),
-			GFP_NOFS | __GFP_NOFAIL);
+	iop = kzalloc(struct_size(iop, uptodate, BITS_TO_LONGS(nr_blocks)), gfp);
+
 	spin_lock_init(&iop->uptodate_lock);
 	if (folio_test_uptodate(folio))
 		bitmap_fill(iop->uptodate, nr_blocks);
@@ -226,7 +226,8 @@ static int iomap_read_inline_data(const struct iomap_iter *iter,
 	if (WARN_ON_ONCE(size > iomap->length))
 		return -EIO;
 	if (offset > 0)
-		iop = iomap_page_create(iter->inode, folio);
+		iop = iomap_page_create(iter->inode, folio,
+					GFP_NOFS | __GFP_NOFAIL);
 	else
 		iop = to_iomap_page(folio);
 
@@ -264,7 +265,7 @@ static loff_t iomap_readpage_iter(const struct iomap_iter *iter,
 		return iomap_read_inline_data(iter, folio);
 
 	/* zero post-eof blocks as the page may be mapped */
-	iop = iomap_page_create(iter->inode, folio);
+	iop = iomap_page_create(iter->inode, folio, GFP_NOFS | __GFP_NOFAIL);
 	iomap_adjust_read_range(iter->inode, folio, &pos, length, &poff, &plen);
 	if (plen == 0)
 		goto done;
@@ -550,17 +551,20 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
 		size_t len, struct folio *folio)
 {
 	const struct iomap *srcmap = iomap_iter_srcmap(iter);
-	struct iomap_page *iop = iomap_page_create(iter->inode, folio);
+	struct iomap_page *iop = to_iomap_page(folio);
 	loff_t block_size = i_blocksize(iter->inode);
 	loff_t block_start = round_down(pos, block_size);
 	loff_t block_end = round_up(pos + len, block_size);
 	size_t from = offset_in_folio(folio, pos), to = from + len;
 	size_t poff, plen;
+	gfp_t  gfp = GFP_NOFS | __GFP_NOFAIL;
 
 	if (folio_test_uptodate(folio))
 		return 0;
 	folio_clear_error(folio);
 
+	iop = iomap_page_create(iter->inode, folio, gfp);
+
 	do {
 		iomap_adjust_read_range(iter->inode, folio, &block_start,
 				block_end - block_start, &poff, &plen);
@@ -1332,7 +1336,8 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc,
 		struct writeback_control *wbc, struct inode *inode,
 		struct folio *folio, u64 end_pos)
 {
-	struct iomap_page *iop = iomap_page_create(inode, folio);
+	struct iomap_page *iop = iomap_page_create(inode, folio,
+						GFP_NOFS | __GFP_NOFAIL);
 	struct iomap_ioend *ioend, *next;
 	unsigned len = i_blocksize(inode);
 	unsigned nblocks = i_blocks_per_folio(inode, folio);
-- 
2.30.2


  parent reply	other threads:[~2022-05-20 18:37 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-20 18:36 [RFC PATCH v4 00/17] io-uring/xfs: support async buffered writes Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 01/17] mm: Move starting of background writeback into the main balancing loop Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 02/17] mm: Move updates of dirty_exceeded into one place Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 03/17] mm: Prepare balance_dirty_pages() for async buffered writes Stefan Roesch
2022-05-22  7:17   ` Christoph Hellwig
2022-05-25 21:30     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 04/17] mm: Add balance_dirty_pages_ratelimited_flags() function Stefan Roesch
2022-05-23 10:40   ` Jan Kara
2022-05-20 18:36 ` Stefan Roesch [this message]
2022-05-22  7:21   ` [RFC PATCH v4 05/17] iomap: Add gfp parameter to iomap_page_create() Christoph Hellwig
2022-05-25 21:29     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 06/17] iomap: Add async buffered write support Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 07/17] iomap: Use balance_dirty_pages_ratelimited_flags in iomap_write_iter Stefan Roesch
2022-05-22  7:19   ` Christoph Hellwig
2022-05-25 21:32     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 08/17] fs: Add check for async buffered writes to generic_write_checks Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 09/17] fs: Split off remove_needs_file_privs() __remove_file_privs() Stefan Roesch
2022-05-22  7:32   ` Christoph Hellwig
2022-05-25 21:34     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 10/17] fs: Split off file_needs_update_time and __file_update_time Stefan Roesch
2022-05-22  7:29   ` Christoph Hellwig
2022-05-25 22:32     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 11/17] fs: Add async write file modification handling Stefan Roesch
2022-05-22  7:24   ` Christoph Hellwig
2022-05-25 21:39     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 12/17] fs: Optimization for concurrent file time updates Stefan Roesch
2022-05-23 10:51   ` Jan Kara
2022-05-25 21:46     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 13/17] io_uring: Add support for async buffered writes Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 14/17] io_uring: Add tracepoint for short writes Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 15/17] xfs: Add iomap async buffered write support Stefan Roesch
2022-05-22  7:33   ` Christoph Hellwig
2022-05-25 21:40     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 16/17] xfs: Add " Stefan Roesch
2022-05-22  7:34   ` Christoph Hellwig
2022-05-25 21:41     ` Stefan Roesch
2022-05-22 15:35   ` Darrick J. Wong
2022-05-25 21:44     ` Stefan Roesch
2022-05-20 18:36 ` [RFC PATCH v4 17/17] xfs: Enable " Stefan Roesch

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