Re: [bugzilla:219548] the kernel crashes when storing an EXT4 file system in a ZRAM device

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On Thu, Dec 12, 2024 at 12:58:26PM +0900, Sergey Senozhatsky wrote:
> Hi,
> 
> We've got two reports [1] [2] (could be the same person) which
> suggest that ext4 may change page content while the page is under
> write().  The particular problem here the case when ext4 is on
> the zram device.  zram compresses every page written to it, so if
> the page content can be modified concurrently with zram's compression
> then we can't really use zram with ext4.

Do you set BLK_FEAT_STABLE_WRITES on zram?




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