Hi, I found a problem that 'ls /mnt/ocfs2/' failed, error log as below: # ls: /mnt/ocfs2: Input/output error kernel log as below: Mar 16 10:27:45 linux-yxqzUv kernel: [169213.398778] (ls,19875,0):ocfs2_read_blocks:388 ERROR: E9854523FF8343F9AF043F1A5505B1E1: iblock(17), bh->state(0x44828) Mar 16 10:27:45 linux-yxqzUv kernel: [169213.398787] (ls,19875,0):ocfs2_assign_bh:776 ERROR: status = -5 Mar 16 10:27:45 linux-yxqzUv kernel: [169213.398795] (ls,19875,0):ocfs2_dlm_inode_lock_full_nested:1937 ERROR: status = -5 Mar 16 10:27:45 linux-yxqzUv kernel: [169213.398799] (ls,19875,0):ocfs2_xattr_get:1334 ERROR: status = -5 Mar 16 10:27:45 linux-yxqzUv kernel: [169213.402691] (ls,19875,0):ocfs2_read_blocks:388 ERROR: E9854523FF8343F9AF043F1A5505B1E1: iblock(17), bh->state(0x44828) Mar 16 10:27:45 linux-yxqzUv kernel: [169213.402704] (ls,19875,0):ocfs2_dir_foreach_blk_id:1789 ERROR: E9854523FF8343F9AF043F1A5505B1E1: Unable to read inode block for dir 17 Test Environment: OS: suse11 sp3 kernel: 3.0.93-0.8.2 filesystem: ocfs2 test step: 1. mount device to /mnt/ocfs2/ 2. cut down the storage link of device 3. mkdir /mnt/ocfs2/123 4. recover the storage link of device 5. ls /mnt/ocfs2/123, then failed The 'bh' is submitted to jbd2 after 'mkdir', and then the write-back thread of device submit the 'bh' to disk and failed due to bad storage link. At last 'bh' state is marked as BH_Write_EIO. the jbd2 won't release 'bh' in this case. so when ocfs2_read_blocks() is called, found 'bh' still in jbd2 but marked as BH_Write_EIO and return fail. I wonder if jbd2 should handle this problem or ocfs2 filesystem should do it? thanks, Jun