fs/buffer.c: dump more info for __getblk_gfp() stall problem
We need to dump more variables on top of
"fs/buffer.c: add debug print for __getblk_gfp() stall problem".
Link: http://lkml.kernel.org/r/12239545-7d8a-820f-48ba-952e2e98a05c@i-love.sakura.ne.jp
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/fs/buffer.c b/fs/buffer.c
index c084011..131d39e 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1068,9 +1068,15 @@
#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=%ld size=%u bdev_super_blocksize_bits=%d bdev_inode_blkbits=%d\n",
current->comm, current->pid, current->getblk_executed,
- current->getblk_bh_count, current->getblk_bh_state);
+ current->getblk_bh_count, current->getblk_bh_state,
+ IS_ERR_OR_NULL(bdev->bd_super) ? -1L :
+ bdev->bd_super->s_blocksize, size,
+ IS_ERR_OR_NULL(bdev->bd_super) ? -1 :
+ bdev->bd_super->s_blocksize_bits,
+ IS_ERR_OR_NULL(bdev->bd_inode) ? -1 :
+ bdev->bd_inode->i_blkbits);
current->getblk_executed = 0;
current->getblk_bh_count = 0;
current->getblk_bh_state = 0;