Re: [PATCH] iomap: keep on increasing i_size in iomap_write_end()

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On Mon, 03 Jun 2024 19:22:22 +0800, Zhang Yi wrote:
> Commit '943bc0882ceb ("iomap: don't increase i_size if it's not a write
> operation")' breaks xfs with realtime device on generic/561, the problem
> is when unaligned truncate down a xfs realtime inode with rtextsize > 1
> fs block, xfs only zero out the EOF block but doesn't zero out the tail
> blocks that aligned to rtextsize, so if we don't increase i_size in
> iomap_write_end(), it could expose stale data after we do an append
> write beyond the aligned EOF block.
> 
> [...]

Applied to the vfs.fixes branch of the vfs/vfs.git tree.
Patches in the vfs.fixes branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.fixes

[1/1] iomap: keep on increasing i_size in iomap_write_end()
      https://git.kernel.org/vfs/vfs/c/86e71b5f0366




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