Re: [PATCH] Revert "Btrfs: allow superblock mismatch from older mkfs"

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On Thu, Mar 12, 2015 at 01:45:05PM +0800, Qu Wenruo wrote:
> I sent such patch some time ago but was rejected by Chris,
> hopes this time it can be accepted.

http://www.mail-archive.com/linux-btrfs%40vger.kernel.org/msg34937.html

I'm OK with removing the special case now because there are additional
supreblock checks merged (3.19) that were motivated by your previous
attempt to remove it.

o btrfs: add more checks to btrfs_read_sys_array
o btrfs: cleanup, rename a few variables in btrfs_read_sys_array
o btrfs: add checks for sys_chunk_array sizes
o btrfs: more superblock checks, lower bounds on devices and sectorsize/nodesize


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