Unverified Commit fb27226c authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Christian Brauner
Browse files

fs/buffer: use sleeping lookup in __getblk_slowpath() 



Just as with the fast path, call the lookup variant depending
on the gfp flags.

Signed-off-by: default avatarDavidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/20250515173925.147823-2-dave@stgolabs.net


Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent a5806cd5

fs/buffer.c

+6 −1
Original line number Diff line number Diff line
@@ -1122,6 +1122,8 @@ static struct buffer_head * 
__getblk_slow(struct block_device *bdev, sector_t block,

	     unsigned size, gfp_t gfp)

{

	bool blocking = gfpflags_allow_blocking(gfp);



	/* Size must be multiple of hard sectorsize */

	if (unlikely(size & (bdev_logical_block_size(bdev)-1) ||

			(size < 512 || size > PAGE_SIZE))) {
@@ -1137,6 +1139,9 @@ __getblk_slow(struct block_device *bdev, sector_t block, 
	for (;;) {

		struct buffer_head *bh;



		if (blocking)

			bh = __find_get_block_nonatomic(bdev, block, size);

		else

			bh = __find_get_block(bdev, block, size);

		if (bh)

			return bh;