diff mbox series

[v2,5/8] buffer: Convert getblk_unmovable() and __getblk() to use bdev_getblk()

Message ID 20230914150011.843330-6-willy@infradead.org (mailing list archive)
State New, archived
Headers show
Series Add and use bdev_getblk() | expand

Commit Message

Matthew Wilcox Sept. 14, 2023, 3 p.m. UTC
Move these two functions up in the file for the benefit of the next patch,
and pass in all of the GFP flags to use instead of the partial GFP flags
used by __getblk_gfp().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 include/linux/buffer_head.h | 36 ++++++++++++++++++++++--------------
 1 file changed, 22 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index e389f0fbba5a..e92f604a423e 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -337,6 +337,28 @@  sb_breadahead(struct super_block *sb, sector_t block)
 	__breadahead(sb->s_bdev, block, sb->s_blocksize);
 }
 
+static inline struct buffer_head *getblk_unmovable(struct block_device *bdev,
+		sector_t block, unsigned size)
+{
+	gfp_t gfp;
+
+	gfp = mapping_gfp_constraint(bdev->bd_inode->i_mapping, ~__GFP_FS);
+	gfp |= __GFP_NOFAIL;
+
+	return bdev_getblk(bdev, block, size, gfp);
+}
+
+static inline struct buffer_head *__getblk(struct block_device *bdev,
+		sector_t block, unsigned size)
+{
+	gfp_t gfp;
+
+	gfp = mapping_gfp_constraint(bdev->bd_inode->i_mapping, ~__GFP_FS);
+	gfp |= __GFP_MOVABLE | __GFP_NOFAIL;
+
+	return bdev_getblk(bdev, block, size, gfp);
+}
+
 static inline struct buffer_head *
 sb_getblk(struct super_block *sb, sector_t block)
 {
@@ -384,20 +406,6 @@  static inline void lock_buffer(struct buffer_head *bh)
 		__lock_buffer(bh);
 }
 
-static inline struct buffer_head *getblk_unmovable(struct block_device *bdev,
-						   sector_t block,
-						   unsigned size)
-{
-	return __getblk_gfp(bdev, block, size, 0);
-}
-
-static inline struct buffer_head *__getblk(struct block_device *bdev,
-					   sector_t block,
-					   unsigned size)
-{
-	return __getblk_gfp(bdev, block, size, __GFP_MOVABLE);
-}
-
 static inline void bh_readahead(struct buffer_head *bh, blk_opf_t op_flags)
 {
 	if (!buffer_uptodate(bh) && trylock_buffer(bh)) {