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Commit 67b07bd4 authored by Timofey Titovets's avatar Timofey Titovets Committed by David Sterba
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Btrfs: reuse cmp workspace in EXTENT_SAME ioctl


We support big dedup requests by splitting range to smaller parts, and
call dedupe logic on each of them.

Instead of repeated allocation and deallocation, allocate once at the
beginning and reuse in the iteration.

Signed-off-by: default avatarTimofey Titovets <nefelim4ag@gmail.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent b6728768
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