#endif
static void push_group_info(struct lvfs_run_ctxt *save,
- struct upcall_cache_entry *uce)
+ struct group_info *ginfo)
{
- struct group_info *ginfo = uce ? uce->ue_group_info : NULL;
-
if (!ginfo) {
save->ngroups = current_ngroups;
current_ngroups = 0;
}
static void pop_group_info(struct lvfs_run_ctxt *save,
- struct upcall_cache_entry *uce)
+ struct group_info *ginfo)
{
- struct group_info *ginfo = uce ? uce->ue_group_info : NULL;
-
if (!ginfo) {
current_ngroups = save->ngroups;
} else {
save->pwd = dget(current->fs->pwd);
save->pwdmnt = mntget(current->fs->pwdmnt);
save->luc.luc_umask = current->fs->umask;
+ save->ngroups = current->group_info->ngroups;
LASSERT(save->pwd);
LASSERT(save->pwdmnt);
LASSERT(new_ctx->pwdmnt);
if (uc) {
+ save->luc.luc_uid = current->uid;
+ save->luc.luc_gid = current->gid;
save->luc.luc_fsuid = current->fsuid;
save->luc.luc_fsgid = current->fsgid;
save->luc.luc_cap = current->cap_effective;
+ current->uid = uc->luc_uid;
+ current->gid = uc->luc_gid;
current->fsuid = uc->luc_fsuid;
current->fsgid = uc->luc_fsgid;
current->cap_effective = uc->luc_cap;
- push_group_info(save, uc->luc_uce);
+
+ push_group_info(save,
+ uc->luc_ginfo ?:
+ uc->luc_identity ? uc->luc_identity->mi_ginfo :
+ NULL);
}
current->fs->umask = 0; /* umask already applied on client */
set_fs(new_ctx->fs);
mntput(saved->pwdmnt);
current->fs->umask = saved->luc.luc_umask;
if (uc) {
+ current->uid = saved->luc.luc_uid;
+ current->gid = saved->luc.luc_gid;
current->fsuid = saved->luc.luc_fsuid;
current->fsgid = saved->luc.luc_fsgid;
current->cap_effective = saved->luc.luc_cap;
- pop_group_info(saved, uc->luc_uce);
+ pop_group_info(saved,
+ uc->luc_ginfo ?:
+ uc->luc_identity ? uc->luc_identity->mi_ginfo :
+ NULL);
}
/*
int err = 0;
ENTRY;
- ASSERT_KERNEL_CTXT("kernel doing mknod outside kernel context\n");
+ // ASSERT_KERNEL_CTXT("kernel doing mknod outside kernel context\n");
CDEBUG(D_INODE, "creating file %.*s\n", (int)strlen(name), name);
dchild = ll_lookup_one_len(name, dir, strlen(name));
int err = 0;
ENTRY;
- ASSERT_KERNEL_CTXT("kernel doing mkdir outside kernel context\n");
+ // ASSERT_KERNEL_CTXT("kernel doing mkdir outside kernel context\n");
CDEBUG(D_INODE, "creating directory %.*s\n", (int)strlen(name), name);
dchild = ll_lookup_one_len(name, dir, strlen(name));
if (IS_ERR(dchild))
int error;
buf.lrc_dirent = NULL;
- buf.lrc_list = dentry_list;
+ buf.lrc_list = dentry_list;
error = vfs_readdir(file, l_filldir, &buf);
if (error < 0)
if (lastdirent)
lastdirent->lld_off = file->f_pos;
- return 0;
+ return 0;
}
EXPORT_SYMBOL(l_readdir);
EXPORT_SYMBOL(obd_memory);
EXPORT_SYMBOL(obd_memmax);
+#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
+static spinlock_t obd_memlist_lock = SPIN_LOCK_UNLOCKED;
+static struct hlist_head *obd_memtable = NULL;
+static unsigned long obd_memtable_size = 0;
+
+static int lvfs_memdbg_init(int size)
+{
+ struct hlist_head *head;
+ int i;
+
+ LASSERT(size > sizeof(sizeof(struct hlist_head)));
+ obd_memtable_size = size / sizeof(struct hlist_head);
+
+ CWARN("Allocating %lu memdbg entries.\n",
+ (unsigned long)obd_memtable_size);
+
+ LASSERT(obd_memtable == NULL);
+ obd_memtable = kmalloc(size, GFP_KERNEL);
+ if (!obd_memtable)
+ return -ENOMEM;
+
+ i = obd_memtable_size;
+ head = obd_memtable;
+ do {
+ INIT_HLIST_HEAD(head);
+ head++;
+ i--;
+ } while(i);
+
+ return 0;
+}
+
+static int lvfs_memdbg_cleanup(void)
+{
+ struct hlist_node *node = NULL, *tmp = NULL;
+ struct hlist_head *head;
+ struct obd_mem_track *mt;
+ int i;
+
+ spin_lock(&obd_memlist_lock);
+ for (i = 0, head = obd_memtable; i < obd_memtable_size; i++, head++) {
+ hlist_for_each_safe(node, tmp, head) {
+ mt = hlist_entry(node, struct obd_mem_track, mt_hash);
+ hlist_del_init(&mt->mt_hash);
+ kfree(mt);
+ }
+ }
+ spin_unlock(&obd_memlist_lock);
+ kfree(obd_memtable);
+ return 0;
+}
+
+static inline unsigned long const hashfn(void *ptr)
+{
+ return (unsigned long)ptr &
+ (obd_memtable_size - 1);
+}
+
+static void __lvfs_memdbg_insert(struct obd_mem_track *mt)
+{
+ struct hlist_head *head = obd_memtable +
+ hashfn(mt->mt_ptr);
+ hlist_add_head(&mt->mt_hash, head);
+}
+
+void lvfs_memdbg_insert(struct obd_mem_track *mt)
+{
+ spin_lock(&obd_memlist_lock);
+ __lvfs_memdbg_insert(mt);
+ spin_unlock(&obd_memlist_lock);
+}
+EXPORT_SYMBOL(lvfs_memdbg_insert);
+
+static void __lvfs_memdbg_remove(struct obd_mem_track *mt)
+{
+ hlist_del_init(&mt->mt_hash);
+}
+
+void lvfs_memdbg_remove(struct obd_mem_track *mt)
+{
+ spin_lock(&obd_memlist_lock);
+ __lvfs_memdbg_remove(mt);
+ spin_unlock(&obd_memlist_lock);
+}
+EXPORT_SYMBOL(lvfs_memdbg_remove);
+
+static struct obd_mem_track *__lvfs_memdbg_find(void *ptr)
+{
+ struct hlist_node *node = NULL;
+ struct obd_mem_track *mt = NULL;
+ struct hlist_head *head;
+
+ head = obd_memtable + hashfn(ptr);
+
+ hlist_for_each(node, head) {
+ mt = hlist_entry(node, struct obd_mem_track, mt_hash);
+ if ((unsigned long)mt->mt_ptr == (unsigned long)ptr)
+ break;
+ mt = NULL;
+ }
+ return mt;
+}
+
+struct obd_mem_track *lvfs_memdbg_find(void *ptr)
+{
+ struct obd_mem_track *mt;
+
+ spin_lock(&obd_memlist_lock);
+ mt = __lvfs_memdbg_find(ptr);
+ spin_unlock(&obd_memlist_lock);
+
+ return mt;
+}
+EXPORT_SYMBOL(lvfs_memdbg_find);
+
+int lvfs_memdbg_check_insert(struct obd_mem_track *mt)
+{
+ struct obd_mem_track *tmp;
+
+ spin_lock(&obd_memlist_lock);
+ tmp = __lvfs_memdbg_find(mt->mt_ptr);
+ if (tmp == NULL) {
+ __lvfs_memdbg_insert(mt);
+ spin_unlock(&obd_memlist_lock);
+ return 1;
+ }
+ spin_unlock(&obd_memlist_lock);
+ return 0;
+}
+EXPORT_SYMBOL(lvfs_memdbg_check_insert);
+
+struct obd_mem_track *
+lvfs_memdbg_check_remove(void *ptr)
+{
+ struct obd_mem_track *mt;
+
+ spin_lock(&obd_memlist_lock);
+ mt = __lvfs_memdbg_find(ptr);
+ if (mt) {
+ __lvfs_memdbg_remove(mt);
+ spin_unlock(&obd_memlist_lock);
+ return mt;
+ }
+ spin_unlock(&obd_memlist_lock);
+ return NULL;
+}
+EXPORT_SYMBOL(lvfs_memdbg_check_remove);
+#endif
+
+void lvfs_memdbg_show(void)
+{
+#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
+ struct hlist_node *node = NULL;
+ struct hlist_head *head;
+ struct obd_mem_track *mt;
+ int header = 0;
+#endif
+ int leaked;
+
+#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
+ int i;
+#endif
+
+ leaked = atomic_read(&obd_memory);
+
+ if (leaked > 0) {
+ CWARN("Memory leaks detected (max %d, leaked %d)\n",
+ obd_memmax, leaked);
+ }
+
+#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
+ spin_lock(&obd_memlist_lock);
+ for (i = 0, head = obd_memtable; i < obd_memtable_size; i++, head++) {
+ hlist_for_each(node, head) {
+ if (header == 0) {
+ CWARN("Abnormal memory activities:\n");
+ header = 1;
+ }
+ mt = hlist_entry(node, struct obd_mem_track, mt_hash);
+ CWARN(" [%s] ptr: 0x%p, size: %d, src at %s\n",
+ ((mt->mt_flags & OBD_MT_WRONG_SIZE) ?
+ "wrong size" : "leaked memory"),
+ mt->mt_ptr, mt->mt_size, mt->mt_loc);
+ }
+ }
+ spin_unlock(&obd_memlist_lock);
+#endif
+}
+EXPORT_SYMBOL(lvfs_memdbg_show);
+
#ifdef LUSTRE_KERNEL_VERSION
#ifndef HAVE_CLEAR_RDONLY_ON_PUT
#error rdonly patchset must be updated [cfs bz11248]
#endif
-
void dev_set_rdonly(lvfs_sbdev_type dev);
int dev_check_rdonly(lvfs_sbdev_type dev);
EXPORT_SYMBOL(__lvfs_set_rdonly);
EXPORT_SYMBOL(lvfs_check_rdonly);
-#endif /* LUSTRE_KERNEL_VERSION */
int lvfs_check_io_health(struct obd_device *obd, struct file *file)
{
OBD_ALLOC(write_page, CFS_PAGE_SIZE);
if (!write_page)
RETURN(-ENOMEM);
-
+
rc = fsfilt_write_record(obd, file, write_page, CFS_PAGE_SIZE, &offset, 1);
-
+
OBD_FREE(write_page, CFS_PAGE_SIZE);
CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
- RETURN(rc);
+ RETURN(rc);
}
EXPORT_SYMBOL(lvfs_check_io_health);
+#endif /* LUSTRE_KERNEL_VERSION */
static int __init lvfs_linux_init(void)
{
+ ENTRY;
+#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
+ lvfs_memdbg_init(PAGE_SIZE);
+#endif
RETURN(0);
}
static void __exit lvfs_linux_exit(void)
{
- int leaked;
ENTRY;
- leaked = atomic_read(&obd_memory);
- CDEBUG(leaked ? D_ERROR : D_INFO,
- "obd mem max: %d leaked: %d\n", obd_memmax, leaked);
-
+ lvfs_memdbg_show();
+
+#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
+ lvfs_memdbg_cleanup();
+#endif
EXIT;
- return;
}
MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff