[PATCH v2 01/13] fs: Add flags parameter to __block_write_begin_int

[Stefan Roesch <shr@fb.com>]

This adds a flags parameter to the __begin_write_begin_int() function.
This allows to pass flags down the stack.

Signed-off-by: Stefan Roesch <shr@fb.com>
---
 fs/buffer.c            | 7 ++++---
 fs/internal.h          | 3 ++-
 fs/iomap/buffered-io.c | 4 ++--
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 8e112b6bd371..6e6a69a12eed 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1970,7 +1970,8 @@ iomap_to_bh(struct inode *inode, sector_t block, struct buffer_head *bh,
 }
 
 int __block_write_begin_int(struct folio *folio, loff_t pos, unsigned len,
-		get_block_t *get_block, const struct iomap *iomap)
+			get_block_t *get_block, const struct iomap *iomap,
+			unsigned int flags)
 {
 	unsigned from = pos & (PAGE_SIZE - 1);
 	unsigned to = from + len;
@@ -2058,7 +2059,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len,
 		get_block_t *get_block)
 {
 	return __block_write_begin_int(page_folio(page), pos, len, get_block,
-				       NULL);
+				       NULL, 0);
 }
 EXPORT_SYMBOL(__block_write_begin);
 
@@ -2118,7 +2119,7 @@ int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len,
 	if (!page)
 		return -ENOMEM;
 
-	status = __block_write_begin(page, pos, len, get_block);
+	status = __block_write_begin_int(page_folio(page), pos, len, get_block, NULL, flags);
 	if (unlikely(status)) {
 		unlock_page(page);
 		put_page(page);
diff --git a/fs/internal.h b/fs/internal.h
index 8590c973c2f4..7432df23f3ce 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -38,7 +38,8 @@ static inline int emergency_thaw_bdev(struct super_block *sb)
  * buffer.c
  */
 int __block_write_begin_int(struct folio *folio, loff_t pos, unsigned len,
-		get_block_t *get_block, const struct iomap *iomap);
+			get_block_t *get_block, const struct iomap *iomap,
+			unsigned int flags);
 
 /*
  * char_dev.c
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 6c51a75d0be6..47c519952725 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -646,7 +646,7 @@ static int iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
 	if (srcmap->type == IOMAP_INLINE)
 		status = iomap_write_begin_inline(iter, folio);
 	else if (srcmap->flags & IOMAP_F_BUFFER_HEAD)
-		status = __block_write_begin_int(folio, pos, len, NULL, srcmap);
+		status = __block_write_begin_int(folio, pos, len, NULL, srcmap, 0);
 	else
 		status = __iomap_write_begin(iter, pos, len, folio);
 
@@ -979,7 +979,7 @@ static loff_t iomap_folio_mkwrite_iter(struct iomap_iter *iter,
 
 	if (iter->iomap.flags & IOMAP_F_BUFFER_HEAD) {
 		ret = __block_write_begin_int(folio, iter->pos, length, NULL,
-					      &iter->iomap);
+					      &iter->iomap, 0);
 		if (ret)
 			return ret;
 		block_commit_write(&folio->page, 0, length);
-- 
2.30.2