Btrfs: add helper for em merge logic

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This is a prepare work for the following extent map selftest, which
runs tests against em merge logic.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Liu Bo 2018-01-05 12:51:10 -07:00 • committed by David Sterba

parent 18e83ac75b

commit 7b4df058b0

2 changed files with 48 additions and 34 deletions

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2

fs/btrfs/ctree.h

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80

fs/btrfs/inode.c

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