Date: Fri, 11 Mar 2011 10:25:47 GMT From: Zheng Liu <lz@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 189855 for review Message-ID: <201103111025.p2BAPlPH041909@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@189855?ac=10 Change 189855 by lz@freebsd-dev on 2011/03/11 10:25:07 Check block map in runlen == 0. Affected files ... .. //depot/projects/soc2010/extfs/src/sys/fs/ext2fs/ext2_alloc.c#38 edit Differences ... ==== //depot/projects/soc2010/extfs/src/sys/fs/ext2fs/ext2_alloc.c#38 (text+ko) ==== @@ -1345,6 +1345,13 @@ } if (runlen == 0) { + bit = ffs(bbp[loc]) - 1; + runlen += bit; + if (runlen >= len) { + bno = loc * NBBY; + goto gotit; + } + bit = fls(bbp[loc]); runlen = NBBY - bit; runstart = loc * NBBY + bit;
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