[LU-7409] llog declares write region that don't match actually write region later for osd_zfs

• Type: Bug
• Resolution: Won't Fix
• Priority: Minor
• Labels: zfs
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Jinshan Xiong (Inactive)

Description

The typical stack trace is as follows:

Call Trace:
 [<ffffffff8156bf13>] ? panic+0xac/0x179
 [<ffffffffa0f4e5cc>] ? zio_wait+0x21c/0x3e0 [zfs]
 [<ffffffffa0e7ef87>] ? dmu_tx_dirty_buf+0x247/0x3d0 [zfs]
 [<ffffffffa0f4e2f3>] ? zio_destroy+0xb3/0x170 [zfs]
 [<ffffffffa0e5e55f>] ? dbuf_dirty+0x5f/0x16d0 [zfs]
 [<ffffffff8157156b>] ? _spin_unlock+0x2b/0x40
 [<ffffffffa0e848ea>] ? dnode_rele+0x5a/0xa0 [zfs]
 [<ffffffffa0e61501>] ? dmu_buf_will_dirty+0x91/0x100 [zfs]
 [<ffffffffa0e6cc70>] ? dmu_write+0xa0/0x230 [zfs]
 [<ffffffffa08444c1>] ? osd_write+0x1d1/0x3a0 [osd_zfs]
 [<ffffffffa06b9bdd>] ? dt_record_write+0x3d/0x130 [obdclass]
 [<ffffffffa067955a>] ? llog_osd_write_rec+0xd6a/0x1b70 [obdclass]
 [<ffffffffa06673f6>] ? llog_write_rec+0xb6/0x270 [obdclass]
 [<ffffffffa066c1b8>] ? llog_write+0x298/0x430 [obdclass]
 [<ffffffffa066c1cf>] ? llog_write+0x2af/0x430 [obdclass]
 [<ffffffffa14780a1>] ? record_marker+0x1c1/0x1e0 [mgs]
 [<ffffffffa14779ea>] ? record_start_log+0x38a/0x4a0 [mgs]
 [<ffffffffa14787cf>] ? mgs_write_log_lov+0x38f/0x6b0 [mgs]
 [<ffffffffa148a5c6>] ? mgs_write_log_mdt+0x326/0x1630 [mgs]
 [<ffffffff810c156d>] ? trace_hardirqs_on+0xd/0x10
 [<ffffffffa148d475>] ? mgs_write_log_target+0xb55/0x1980 [mgs]
 [<ffffffff810c156d>] ? trace_hardirqs_on+0xd/0x10
 [<ffffffffa057cc11>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
 [<ffffffffa1471d89>] ? mgs_target_reg+0xa19/0xe50 [mgs]
 [<ffffffffa0940b3f>] ? tgt_request_handle+0x8cf/0x1300 [ptlrpc]
 [<ffffffffa08eb85a>] ? ptlrpc_main+0xdaa/0x18b0 [ptlrpc]
 [<ffffffffa08eaab0>] ? ptlrpc_main+0x0/0x18b0 [ptlrpc]
 [<ffffffff810a728e>] ? kthread+0x9e/0xc0
 [<ffffffff8100c38a>] ? child_rip+0xa/0x20
 [<ffffffff815714b0>] ? _spin_unlock_irq+0x30/0x40
 [<ffffffff8100bb90>] ? restore_args+0x0/0x30
 [<ffffffff810a71f0>] ? kthread+0x0/0xc0
 [<ffffffff8100c380>] ? child_rip+0x0/0x20

Patch will be submitted shortly

Issue Links

• duplicates: LU-2160 Implement ZFS dmu_tx_hold_append() declarations for llog
• is related to: LU-7408 multislot RPC support didn't declare write for reply_data object