btrfs: reloc: factor out relocation page read and dirty part

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In function relocate_file_extent_cluster(), we have a big loop for
marking all involved page delalloc.

That part is long enough to be contained in one function, so this patch
will move that code chunk into a new function, relocate_one_page().

This also provides enough space for later subpage work.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2021-07-26 14:34:56 +08:00 • committed by David Sterba

parent a6e66e6f8c

commit f47960f49e

1 changed files with 93 additions and 105 deletions

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fs/btrfs/relocation.c

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