Just as with the fast path, call the lookup variant depending
on the gfp flags.
Signed-off-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>
---
fs/buffer.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index b8e1e6e325cd..5a4342881f3b 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -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))) {
@@ -1137,7 +1139,10 @@ __getblk_slow(struct block_device *bdev, sector_t block,
for (;;) {
struct buffer_head *bh;
- bh = __find_get_block(bdev, block, size);
+ if (blocking)
+ bh = __find_get_block_nonatomic(bdev, block, size);
+ else
+ bh = __find_get_block(bdev, block, size);
if (bh)
return bh;
--
2.39.5
