From mboxrd@z Thu Jan 1 00:00:00 1970 From: agk@sourceware.org Date: 19 Apr 2010 21:23:02 -0000 Subject: LVM2 ./WHATS_NEW_DM libdm/datastruct/bitset.c Message-ID: <20100419212302.2875.qmail@sourceware.org> List-Id: To: lvm-devel@redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: agk at sourceware.org 2010-04-19 21:23:02 Modified files: . : WHATS_NEW_DM libdm/datastruct: bitset.c Log message: Add dm_bit_and. (ejt) Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW_DM.diff?cvsroot=lvm2&r1=1.358&r2=1.359 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/datastruct/bitset.c.diff?cvsroot=lvm2&r1=1.8&r2=1.9 --- LVM2/WHATS_NEW_DM 2010/04/19 21:10:20 1.358 +++ LVM2/WHATS_NEW_DM 2010/04/19 21:23:01 1.359 @@ -1,5 +1,6 @@ Version 1.02.47 - ================================= + Add dm_bit_and. Simplify dm_bitset_create. Speed up dm_bit_get_next with ffs(). --- LVM2/libdm/datastruct/bitset.c 2010/04/19 21:10:20 1.8 +++ LVM2/libdm/datastruct/bitset.c 2010/04/19 21:23:02 1.9 @@ -42,6 +42,13 @@ dm_free(bs); } +void dm_bit_and(dm_bitset_t out, dm_bitset_t in1, dm_bitset_t in2) +{ + int i; + + for (i = (in1[0] / DM_BITS_PER_INT) + 1; i; i--) + out[i] = in1[i] & in2[i]; +} void dm_bit_union(dm_bitset_t out, dm_bitset_t in1, dm_bitset_t in2) { int i;