btrfs: update the comment for find_first_extent_bit

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The pitfall here is, if the parameter @bits has multiple bits set, we
will return the first range which just has one of the specified bits
set.

This is a little tricky if we want an exact match.  Anyway, update the
comment to make that clear.

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 2020-10-21 14:24:50 +08:00 • committed by David Sterba

parent a3efb2f0ba

commit 03509b781a

1 changed files with 5 additions and 4 deletions

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fs/btrfs/extent_io.c

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