From: Tetsuo Handa Date: Mon, 23 Aug 2021 23:59:49 +0000 (+1000) Subject: fs/buffer.c: dump more info for __getblk_gfp() stall problem X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=fa1618d78bca088e10f9d98fb9f82ae72c80774d;p=users%2Fjedix%2Flinux-maple.git 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 Cc: Jan Kara Signed-off-by: Andrew Morton Signed-off-by: Stephen Rothwell --- diff --git a/fs/buffer.c b/fs/buffer.c index a09e2c864cc5..f5384cff7e0c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1064,9 +1064,15 @@ __getblk_slow(struct block_device *bdev, sector_t block, #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;