Date: Fri, 3 Jul 2009 19:21:31 GMT From: Aditya Sarawgi <truncs@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 165574 for review Message-ID: <200907031921.n63JLVY1028825@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=165574 Change 165574 by truncs@aditya on 2009/07/03 19:20:53 Introducing ext2_hashalloc and ext2_alloccg to find a new block. Currently preallocation is not implemented and preallocation. Affected files ... .. //depot/projects/soc2009/soc_ext2fs/src/sys/gnu/fs/ext2fs/ext2_alloc.c#25 edit Differences ... ==== //depot/projects/soc2009/soc_ext2fs/src/sys/gnu/fs/ext2fs/ext2_alloc.c#25 (text+ko) ==== @@ -107,7 +107,7 @@ { struct m_ext2fs *fs; int32_t bno; - + int cg; *bnp = 0; fs = ip->i_e2fs; #ifdef DIAGNOSTIC @@ -126,7 +126,21 @@ goto nospace; if (bpref >= fs->e2fs->e2fs_bcount) bpref = 0; - /* call the Linux code */ + if (bpref == 0) + cg = ino_to_cg(fs, ip->i_number); + else + cg = dtog(fs, bpref); + bno = (daddr_t)ext2_hashalloc(ip, cg, bpref, fs->e2fs_bsize, + ext2_alloccg); + if (bno > 0) { + ip->i_blocks += btodb(fs->e2fs_bsize); + ip->i_flag |= IN_CHANGE | IN_UPDATE; + *bnp = bno; + return (0); + } + + +#ifdef notused #ifdef EXT2_PREALLOCATE /* To have a preallocation hit, we must * - have at least one block preallocated @@ -171,6 +185,7 @@ *bnp = bno; return (0); } +#endif nospace: ext2_fserr(fs, cred->cr_uid, "file system full"); uprintf("\n%s: write failed, file system is full\n", fs->e2fs_fsmnt); @@ -727,7 +742,6 @@ bno = ext2_mapsearch(fs, bbp, bpref); if (bno < 0){ - unlock_super(DEVVP(ip)); return (0); } gotit:
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