Re: [dm-devel] [RFC PATCH] dm-zoned: extend the way of exposing zoned block device

2020-01-07 Thread Damien Le Moal
On 2020/01/08 16:13, Nobody wrote: > From: Bob Liu > > Motivation: > Now the dm-zoned device mapper target exposes a zoned block device(ZBC) as a > regular block device by storing metadata and buffering random writes in > conventional zones. > This way is not very flexible, there must be enough c

Re: [dm-devel] [lvm-devel] kernel BUG at drivers/md/persistent-data/dm-space-map-disk.c:178

2020-01-07 Thread Eric Wheeler
On Tue, 7 Jan 2020, Joe Thornber wrote: > On Tue, Jan 07, 2020 at 10:46:27AM +, Joe Thornber wrote: > > I'll get a patch to you later today. > > Eric, > > Patch below. I've run it through a bunch of tests in the dm test suite. But > obviously I have never hit your issue. Will do more test

Re: [dm-devel] Reply: [PATCH v3] dm verity: don't prefetch hash blocks for already-verified data

2020-01-07 Thread Mike Snitzer
Please fix your mail client so that when you reply to a message you don't start a new thread. -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel

Re: [dm-devel] [lvm-devel] kernel BUG at drivers/md/persistent-data/dm-space-map-disk.c:178

2020-01-07 Thread Joe Thornber
On Tue, Jan 07, 2020 at 10:46:27AM +, Joe Thornber wrote: > I'll get a patch to you later today. Eric, Patch below. I've run it through a bunch of tests in the dm test suite. But obviously I have never hit your issue. Will do more testing today. - Joe Author: Joe Thornber Date: Tue

Re: [dm-devel] [lvm-devel] kernel BUG at drivers/md/persistent-data/dm-space-map-disk.c:178

2020-01-07 Thread Joe Thornber
On Tue, Jan 07, 2020 at 10:35:46AM +, Joe Thornber wrote: > On Sat, Dec 28, 2019 at 02:13:07AM +, Eric Wheeler wrote: > > On Fri, 27 Dec 2019, Eric Wheeler wrote: > > > > Just hit the bug again without mq-scsi (scsi_mod.use_blk_mq=n), all other > > > times MQ has been turned on. > > > >

Re: [dm-devel] [lvm-devel] kernel BUG at drivers/md/persistent-data/dm-space-map-disk.c:178

2020-01-07 Thread Joe Thornber
On Sat, Dec 28, 2019 at 02:13:07AM +, Eric Wheeler wrote: > On Fri, 27 Dec 2019, Eric Wheeler wrote: > > Just hit the bug again without mq-scsi (scsi_mod.use_blk_mq=n), all other > > times MQ has been turned on. > > > > I'm trying the -ENOSPC hack which will flag the pool as being out of sp

Re: [dm-devel] dm mpath: Add timeout mechanism for queue_if_no_path

2020-01-07 Thread Khazhismel Kumykov
On Mon, Jan 6, 2020 at 11:28 AM Mike Snitzer wrote: > > On Thu, Jan 02 2020 at 5:45pm -0500, > Gabriel Krisman Bertazi wrote: > > > From: Anatol Pomazau > > > > Add a configurable timeout mechanism to disable queue_if_no_path without > > assistance from multipathd. In reality, this reimplement

[dm-devel] Reply: [PATCH v3] dm verity: don't prefetch hash blocks for already-verified data

2020-01-07 Thread 周先荣
Hey Eric: Thank you very much. I am quit happy you improvement of and send this patch. Subject: [PATCH v3] dm verity: don't prefetch hash blocks for already-verified data From: "xianrong.zhou" Try to skip prefetching hash blocks that won't be needed due to the "check_at_most_once" o