Re: [PATCH 0/2] btrfs: fixes for subpage which also affect read-only mount

2021-03-16 Thread David Sterba
On Mon, Mar 15, 2021 at 01:39:13PM +0800, Qu Wenruo wrote: > During the fstests run for btrfs subpage read-write support, generic/475 > crashes the system with a very high chance. > > It turns out the cause is also affecting btrfs subpage read-only mount > so it's worthy a quick fix. > > Also the

Re: [PATCH 0/2] btrfs: fixes for subpage which also affect read-only mount

2021-03-16 Thread David Sterba
On Tue, Mar 16, 2021 at 08:29:35AM +0800, Qu Wenruo wrote: > > > On 2021/3/15 下午11:42, David Sterba wrote: > > On Mon, Mar 15, 2021 at 01:39:13PM +0800, Qu Wenruo wrote: > >> During the fstests run for btrfs subpage read-write support, generic/475 > >> crashes the system with a very high chance.

Re: [PATCH 0/2] btrfs: fixes for subpage which also affect read-only mount

2021-03-15 Thread Qu Wenruo
On 2021/3/15 下午11:42, David Sterba wrote: On Mon, Mar 15, 2021 at 01:39:13PM +0800, Qu Wenruo wrote: During the fstests run for btrfs subpage read-write support, generic/475 crashes the system with a very high chance. It turns out the cause is also affecting btrfs subpage read-only mount so

Re: [PATCH 0/2] btrfs: fixes for subpage which also affect read-only mount

2021-03-15 Thread David Sterba
On Mon, Mar 15, 2021 at 01:39:13PM +0800, Qu Wenruo wrote: > During the fstests run for btrfs subpage read-write support, generic/475 > crashes the system with a very high chance. > > It turns out the cause is also affecting btrfs subpage read-only mount > so it's worthy a quick fix. > > Also the

[PATCH 0/2] btrfs: fixes for subpage which also affect read-only mount

2021-03-14 Thread Qu Wenruo
During the fstests run for btrfs subpage read-write support, generic/475 crashes the system with a very high chance. It turns out the cause is also affecting btrfs subpage read-only mount so it's worthy a quick fix. Also the crash call site shows a new rabbit hole of hard coded PAGE_SHIFT in read