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Create unwind log in global variable instead of automatic variable.

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memory leak spotted by njoly's valgrind run
This commit is contained in:
pooka 2009-11-17 17:08:57 +00:00
parent 1fb57ddbb5
commit 8454e30192
1 changed files with 17 additions and 18 deletions
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35
sys/ufs/lfs/lfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: lfs_vfsops.c,v 1.279 2009/10/29 18:20:11 eeh Exp $ */
/* $NetBSD: lfs_vfsops.c,v 1.280 2009/11/17 17:08:57 pooka Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003, 2007, 2007
@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_vfsops.c,v 1.279 2009/10/29 18:20:11 eeh Exp $");
__KERNEL_RCSID(0, "$NetBSD: lfs_vfsops.c,v 1.280 2009/11/17 17:08:57 pooka Exp $");
#if defined(_KERNEL_OPT)
#include "opt_lfs.h"
@ -119,7 +119,6 @@ static bool lfs_issequential_hole(const struct ufsmount *,
static int lfs_mountfs(struct vnode *, struct mount *, struct lwp *);
void lfs_sysctl_setup(struct sysctllog *);
static struct sysctllog *lfs_sysctl_log;
extern const struct vnodeopv_desc lfs_vnodeop_opv_desc;
@ -206,8 +205,8 @@ sysctl_lfs_dostats(SYSCTLFN_ARGS)
return (0);
}
void
lfs_sysctl_setup(struct sysctllog *clog)
static void
lfs_sysctl_setup(struct sysctllog **clog)
{
int i;
extern int lfs_writeindir, lfs_dostats, lfs_clean_vnhead,
@ -253,12 +252,12 @@ lfs_sysctl_setup(struct sysctllog *clog)
{ "segs_reclaimed", "Number of segments reclaimed" },
};
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT,
CTLTYPE_NODE, "vfs", NULL,
NULL, 0, NULL, 0,
CTL_VFS, CTL_EOL);
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT,
CTLTYPE_NODE, "lfs",
SYSCTL_DESCR("Log-structured file system"),
@ -270,37 +269,37 @@ lfs_sysctl_setup(struct sysctllog *clog)
* "5" is the order as taken from sys/mount.h
*/
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, "flushindir", NULL,
NULL, 0, &lfs_writeindir, 0,
CTL_VFS, 5, LFS_WRITEINDIR, CTL_EOL);
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, "clean_vnhead", NULL,
NULL, 0, &lfs_clean_vnhead, 0,
CTL_VFS, 5, LFS_CLEAN_VNHEAD, CTL_EOL);
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, "dostats",
SYSCTL_DESCR("Maintain statistics on LFS operations"),
sysctl_lfs_dostats, 0, &lfs_dostats, 0,
CTL_VFS, 5, LFS_DOSTATS, CTL_EOL);
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, "pagetrip",
SYSCTL_DESCR("How many dirty pages in fs triggers"
" a flush"),
NULL, 0, &lfs_fs_pagetrip, 0,
CTL_VFS, 5, LFS_FS_PAGETRIP, CTL_EOL);
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, "ignore_lazy_sync",
SYSCTL_DESCR("Lazy Sync is ignored entirely"),
NULL, 0, &lfs_ignore_lazy_sync, 0,
CTL_VFS, 5, LFS_IGNORE_LAZY_SYNC, CTL_EOL);
#ifdef LFS_KERNEL_RFW
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, "rfw",
SYSCTL_DESCR("Use in-kernel roll-forward on mount"),
@ -308,14 +307,14 @@ lfs_sysctl_setup(struct sysctllog *clog)
CTL_VFS, 5, LFS_DO_RFW, CTL_EOL);
#endif
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT,
CTLTYPE_NODE, "stats",
SYSCTL_DESCR("Debugging options"),
NULL, 0, NULL, 0,
CTL_VFS, 5, LFS_STATS, CTL_EOL);
for (i = 0; i < sizeof(struct lfs_stats) / sizeof(u_int); i++) {
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READONLY,
CTLTYPE_INT, stat_names[i].sname,
SYSCTL_DESCR(stat_names[i].lname),
@ -324,14 +323,14 @@ lfs_sysctl_setup(struct sysctllog *clog)
}
#ifdef DEBUG
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT,
CTLTYPE_NODE, "debug",
SYSCTL_DESCR("Debugging options"),
NULL, 0, NULL, 0,
CTL_VFS, 5, LFS_DEBUGLOG, CTL_EOL);
for (i = 0; i < DLOG_MAX; i++) {
sysctl_createv(&clog, 0, NULL, NULL,
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
CTLTYPE_INT, dlog_names[i].sname,
SYSCTL_DESCR(dlog_names[i].lname),
@ -351,7 +350,7 @@ lfs_modcmd(modcmd_t cmd, void *arg)
error = vfs_attach(&lfs_vfsops);
if (error != 0)
break;
lfs_sysctl_setup(lfs_sysctl_log);
lfs_sysctl_setup(&lfs_sysctl_log);
break;
case MODULE_CMD_FINI:
error = vfs_detach(&lfs_vfsops);