Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-19 Thread Jeff Mahoney
On 3/19/18 2:08 PM, David Sterba wrote: > On Mon, Mar 19, 2018 at 01:52:05PM -0400, Jeff Mahoney wrote: >> On 3/16/18 4:12 PM, David Sterba wrote: >>> On Fri, Mar 16, 2018 at 02:36:27PM -0400, je...@suse.com wrote: From: Jeff Mahoney While running btrfs/011, I hit the following lock

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-19 Thread David Sterba
On Mon, Mar 19, 2018 at 01:52:05PM -0400, Jeff Mahoney wrote: > On 3/16/18 4:12 PM, David Sterba wrote: > > On Fri, Mar 16, 2018 at 02:36:27PM -0400, je...@suse.com wrote: > >> From: Jeff Mahoney > >> > >> While running btrfs/011, I hit the following lockdep splat. > >> > >> This is the important

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-19 Thread Jeff Mahoney
On 3/16/18 4:12 PM, David Sterba wrote: > On Fri, Mar 16, 2018 at 02:36:27PM -0400, je...@suse.com wrote: >> From: Jeff Mahoney >> >> While running btrfs/011, I hit the following lockdep splat. >> >> This is the important bit: >>pcpu_alloc+0x1ac/0x5e0 >>__percpu_counter_init+0x4e/0xb0 >>

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-16 Thread Jeff Mahoney
On 3/16/18 4:12 PM, David Sterba wrote: > On Fri, Mar 16, 2018 at 02:36:27PM -0400, je...@suse.com wrote: >> From: Jeff Mahoney >> >> While running btrfs/011, I hit the following lockdep splat. >> >> This is the important bit: >>pcpu_alloc+0x1ac/0x5e0 >>__percpu_counter_init+0x4e/0xb0 >>

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-16 Thread David Sterba
On Fri, Mar 16, 2018 at 02:36:27PM -0400, je...@suse.com wrote: > From: Jeff Mahoney > > While running btrfs/011, I hit the following lockdep splat. > > This is the important bit: >pcpu_alloc+0x1ac/0x5e0 >__percpu_counter_init+0x4e/0xb0 >btrfs_init_fs_root+0x99/0x1c0 [btrfs] >btr

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-16 Thread Jeff Mahoney
On 3/16/18 2:48 PM, Nikolay Borisov wrote: > > > On 16.03.2018 20:36, je...@suse.com wrote: >> From: Jeff Mahoney >> >> While running btrfs/011, I hit the following lockdep splat. >> >> This is the important bit: >>pcpu_alloc+0x1ac/0x5e0 >>__percpu_counter_init+0x4e/0xb0 >>btrfs_init

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-16 Thread Nikolay Borisov
On 16.03.2018 20:36, je...@suse.com wrote: > From: Jeff Mahoney > > While running btrfs/011, I hit the following lockdep splat. > > This is the important bit: >pcpu_alloc+0x1ac/0x5e0 >__percpu_counter_init+0x4e/0xb0 >btrfs_init_fs_root+0x99/0x1c0 [btrfs] >btrfs_get_fs_root.part

Re: [PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-16 Thread Liu Bo
On Fri, Mar 16, 2018 at 11:36 AM, wrote: > From: Jeff Mahoney > > While running btrfs/011, I hit the following lockdep splat. > > This is the important bit: >pcpu_alloc+0x1ac/0x5e0 >__percpu_counter_init+0x4e/0xb0 >btrfs_init_fs_root+0x99/0x1c0 [btrfs] >btrfs_get_fs_root.part.54+

[PATCH] btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers

2018-03-16 Thread jeffm
From: Jeff Mahoney While running btrfs/011, I hit the following lockdep splat. This is the important bit: pcpu_alloc+0x1ac/0x5e0 __percpu_counter_init+0x4e/0xb0 btrfs_init_fs_root+0x99/0x1c0 [btrfs] btrfs_get_fs_root.part.54+0x5b/0x150 [btrfs] resolve_indirect_refs+0x130/0x830 [bt