btrfs: factor out btree page submission code to a helper

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In btree_write_cache_pages() we have a btree page submission routine
buried deeply in a nested loop.

This patch will extract that part of code into a helper function,
submit_eb_page(), to do the same work.

Since submit_eb_page() now can return >0 for successful extent
buffer submission, remove the "ASSERT(ret <= 0);" line.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2020-12-02 14:48:00 +08:00 • committed by David Sterba

parent f44cf41075

commit f91e0d0c4c

1 changed files with 75 additions and 47 deletions

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fs/btrfs/extent_io.c

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