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3 Commits

Author SHA1 Message Date
Nikolay Borisov
a9ce9286f2 btrfs-progs: Implement find_*_bit_le operations 
This commit introduces explicit little endian bit operations. The only
difference with the existing bitops implementation is that bswap(32|64)
is called when the _le versions are invoked on a big-endian machine.
This is in preparation for adding free space tree conversion support.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2018-10-23 15:51:17 +02:00
Nikolay Borisov
aa3088632a btrfs-progs: Replace homegrown bitops related functions with kernel counterparts 
Replace existing find_*_bit functions with kernel equivalent. This
reduces duplication, simplifies the code (we really have one worker
function _find_next_bit) and is quite likely faster. No functional
changes.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2018-10-23 15:49:17 +02:00
David Sterba
90969c8897 btrfs-progs: move bitops.h to kernel-lib 
Forgotten when the rest got moved.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-24 13:06:36 +01:00