Date: Sun, 28 Feb 2010 17:06:42 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r204465 - head/sys/fs/msdosfs Message-ID: <201002281706.o1SH6gGe039115@svn.freebsd.org>
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Author: kib Date: Sun Feb 28 17:06:42 2010 New Revision: 204465 URL: http://svn.freebsd.org/changeset/base/204465 Log: Remove unused global statistic about fat cache usage. Tested by: pho MFC after: 3 weeks Modified: head/sys/fs/msdosfs/msdosfs_fat.c Modified: head/sys/fs/msdosfs/msdosfs_fat.c ============================================================================== --- head/sys/fs/msdosfs/msdosfs_fat.c Sun Feb 28 16:25:49 2010 (r204464) +++ head/sys/fs/msdosfs/msdosfs_fat.c Sun Feb 28 17:06:42 2010 (r204465) @@ -60,19 +60,6 @@ #include <fs/msdosfs/fat.h> #include <fs/msdosfs/msdosfsmount.h> -/* - * Fat cache stats. - */ -static int fc_fileextends; /* # of file extends */ -static int fc_lfcempty; /* # of time last file cluster cache entry - * was empty */ -static int fc_bmapcalls; /* # of times pcbmap was called */ - -#define LMMAX 20 -static int fc_lmdistance[LMMAX];/* counters for how far off the last - * cluster mapped entry was. */ -static int fc_largedistance; /* off by more than LMMAX */ - static int chainalloc(struct msdosfsmount *pmp, u_long start, u_long count, u_long fillwith, u_long *retcluster, u_long *got); @@ -152,8 +139,6 @@ pcbmap(dep, findcn, bnp, cnp, sp) struct msdosfsmount *pmp = dep->de_pmp; u_long bsize; - fc_bmapcalls++; - /* * If they don't give us someplace to return a value then don't * bother doing anything. @@ -203,10 +188,6 @@ pcbmap(dep, findcn, bnp, cnp, sp) */ i = 0; fc_lookup(dep, findcn, &i, &cn); - if ((bn = findcn - i) >= LMMAX) - fc_largedistance++; - else - fc_lmdistance[bn]++; /* * Handle all other files or directories the normal way. @@ -992,10 +973,8 @@ extendfile(dep, count, bpp, ncp, flags) * If the "file's last cluster" cache entry is empty, and the file * is not empty, then fill the cache entry by calling pcbmap(). */ - fc_fileextends++; if (dep->de_fc[FC_LASTFC].fc_frcn == FCE_EMPTY && dep->de_StartCluster != 0) { - fc_lfcempty++; error = pcbmap(dep, 0xffff, 0, &cn, 0); /* we expect it to return E2BIG */ if (error != E2BIG)
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