[PATCH] fs/buffer.c: dump more info for __getblk_gfp() stall problem

[Tetsuo Handa]

We need to dump more variables on top of
"fs/buffer.c: add debug print for __getblk_gfp() stall problem".

Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
---
 fs/buffer.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 580fda0..a50acac 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1066,9 +1066,14 @@ static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size)
 #ifdef CONFIG_DEBUG_AID_FOR_SYZBOT
 		if (!time_after(jiffies, current->getblk_stamp + 3 * HZ))
 			continue;
-		printk(KERN_ERR "%s(%u): getblk(): executed=%x bh_count=%d bh_state=%lx\n",
+		printk(KERN_ERR "%s(%u): getblk(): executed=%x bh_count=%d bh_state=%lx "
+		       "bdev_super_blocksize=%lu size=%u "
+		       "bdev_super_blocksize_bits=%u bdev_inode_blkbits=%u\n",
 		       current->comm, current->pid, current->getblk_executed,
-		       current->getblk_bh_count, current->getblk_bh_state);
+		       current->getblk_bh_count, current->getblk_bh_state,
+		       bdev->bd_super->s_blocksize, size,
+		       bdev->bd_super->s_blocksize_bits,
+		       bdev->bd_inode->i_blkbits);
 		current->getblk_executed = 0;
 		current->getblk_bh_count = 0;
 		current->getblk_bh_state = 0;
-- 
1.8.3.1