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clean up axscache at shutdown

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modify allocations in axscache code to be able to be tracked. at shutdown,
clean up allocations.

Change-Id: I1fbde0fe49cf0cdeea451dac58718a90f1c87e66
Reviewed-on: http://gerrit.openafs.org/1037
Tested-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
This commit is contained in:
Derrick Brashear 2009-12-29 11:29:09 -05:00 committed by Derrick Brashear
parent d11ca53be7
commit 0fce88e079
3 changed files with 20 additions and 16 deletions
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34
src/afs/afs_axscache.c
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@ -16,8 +16,11 @@
#include "afs/afs_stats.h" /* statistics */
#include "afs/stds.h"
static struct axscache *afs_axsfreelist = NULL;
#define NAXSs (1000 / sizeof(struct axscache))
static struct xfreelist {
struct xfreelist *next;
struct axscache data[NAXSs];
} *xfreemallocs = 0;
static int afs_xaxscnt = 0;
afs_rwlock_t afs_xaxs;
@ -52,24 +55,25 @@ afs_SlowFindAxs(struct axscache **cachep, afs_int32 id)
}
#define NAXSs (1000 / sizeof(struct axscache))
struct axscache *
axs_Alloc(void)
{
register struct axscache *i, *j, *xsp;
struct axscache *h;
struct axscache *i, *j;
struct xfreelist *h, *xsp;
int k;
ObtainWriteLock(&afs_xaxs, 174);
if ((h = afs_axsfreelist)) {
afs_axsfreelist = h->next;
if ((i = afs_axsfreelist)) {
afs_axsfreelist = i->next;
ReleaseWriteLock(&afs_xaxs);
return i;
} else {
h = i = j =
(struct axscache *)afs_osi_Alloc(NAXSs * sizeof(struct axscache));
h = afs_osi_Alloc(sizeof(struct xfreelist));
afs_xaxscnt++;
xsp = (struct axscache *)xfreemallocs;
xfreemallocs = (struct xfreelist *)h;
xfreemallocs->next = (struct xfreelist *)xsp;
xsp = xfreemallocs;
xfreemallocs = h;
xfreemallocs->next = xsp;
i = j = h->data;
for (k = 0; k < NAXSs - 1; k++, i++) {
i->uid = -2;
i->axess = 0;
@ -78,10 +82,10 @@ axs_Alloc(void)
i->uid = -2;
i->axess = 0;
i->next = NULL;
afs_axsfreelist = h->next;
afs_axsfreelist = (h->data)->next;
}
ReleaseWriteLock(&afs_xaxs);
return (h);
return (h->data);
}
@ -165,8 +169,7 @@ afs_FreeAllAxs(struct axscache **headp)
/* doesn't appear to be used at all */
#if 0
static void
void
shutdown_xscache(void)
{
struct xfreelist *xp, *nxp;
@ -175,10 +178,9 @@ shutdown_xscache(void)
xp = xfreemallocs;
while (xp) {
nxp = xp->next;
afs_osi_Free((char *)xp, NAXSs * sizeof(struct axscache));
afs_osi_Free(xp, sizeof(struct xfreelist));
xp = nxp;
}
afs_axsfreelist = NULL;
xfreemallocs = NULL;
}
#endif

1
src/afs/afs_call.c
View File

@ -1331,6 +1331,7 @@ afs_shutdown(void)
shutdown_osifile();
shutdown_vnodeops();
shutdown_memcache();
shutdown_xscache();
#if (!defined(AFS_NONFSTRANS) || defined(AFS_AIX_IAUTH_ENV))
shutdown_exporter();
shutdown_nfsclnt();

1
src/afs/afs_prototypes.h
View File

@ -22,6 +22,7 @@ extern struct axscache *afs_SlowFindAxs(struct axscache **cachep,
extern struct axscache *axs_Alloc(void);
extern void afs_RemoveAxs(struct axscache **headp, struct axscache *axsp);
extern void afs_FreeAllAxs(struct axscache **headp);
extern void shutdown_xscache(void);
/* afs_buffer.c */
extern void DInit(int abuffers);