Btrfs: new helper btrfs_bio_clone_partial

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This adds a new helper btrfs_bio_clone_partial, it'll allocate a cloned
bio that only owns a part of the original bio's data.

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

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Liu Bo 2017-05-15 17:43:31 -07:00 • committed by David Sterba

parent 015c1bd9f1

commit 2f8e914042

2 changed files with 20 additions and 0 deletions

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18

fs/btrfs/extent_io.c

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2

fs/btrfs/extent_io.h

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