*/
#define DEBUG_SUBSYSTEM S_LNET
+
+#include <linux/kallsyms.h>
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/fs_struct.h>
+#include <linux/fs.h>
#include <linux/sched.h>
#ifdef HAVE_SCHED_HEADERS
-#include <linux/sched/signal.h>
#include <linux/sched/mm.h>
#endif
-#include <libcfs/libcfs.h>
+#include <linux/uaccess.h>
#if defined(CONFIG_KGDB)
#include <asm/kgdb.h>
#endif
+#include <libcfs/linux/linux-time.h>
+#include <libcfs/linux/linux-wait.h>
+
#ifndef HAVE_KTIME_GET_TS64
void ktime_get_ts64(struct timespec64 *ts)
{
EXPORT_SYMBOL(ktime_get_seconds);
#endif /* HAVE_KTIME_GET_SECONDS */
+static int (*cfs_apply_workqueue_attrs_t)(struct workqueue_struct *wq,
+ const struct workqueue_attrs *attrs);
+
+int cfs_apply_workqueue_attrs(struct workqueue_struct *wq,
+ const struct workqueue_attrs *attrs)
+{
+ return cfs_apply_workqueue_attrs_t(wq, attrs);
+}
+EXPORT_SYMBOL_GPL(cfs_apply_workqueue_attrs);
+
+struct kmem_cache (*radix_tree_node_cachep);
+
+void __init cfs_arch_init(void)
+{
+#ifndef HAVE_WAIT_VAR_EVENT
+ wait_bit_init();
+#endif
+ cfs_apply_workqueue_attrs_t =
+ (void *)kallsyms_lookup_name("apply_workqueue_attrs");
+ radix_tree_node_cachep =
+ (void *)kallsyms_lookup_name("radix_tree_node_cachep");
+}
+
+int cfs_kernel_write(struct file *filp, const void *buf, size_t count,
+ loff_t *pos)
+{
+#ifdef HAVE_NEW_KERNEL_WRITE
+ return kernel_write(filp, buf, count, pos);
+#else
+ mm_segment_t __old_fs = get_fs();
+ int rc;
+
+ set_fs(KERNEL_DS);
+ rc = vfs_write(filp, (__force const char __user *)buf, count, pos);
+ set_fs(__old_fs);
+
+ return rc;
+#endif
+}
+EXPORT_SYMBOL(cfs_kernel_write);
+
+ssize_t cfs_kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)
+{
+#ifdef HAVE_KERNEL_READ_LAST_POSP
+ return kernel_read(file, buf, count, pos);
+#else
+ ssize_t size = kernel_read(file, *pos, buf, count);
+
+ if (size > 0)
+ *pos += size;
+ return size;
+#endif
+}
+EXPORT_SYMBOL(cfs_kernel_read);
+
#ifndef HAVE_KSET_FIND_OBJ
struct kobject *kset_find_obj(struct kset *kset, const char *name)
{
}
EXPORT_SYMBOL(kstrtobool_from_user);
#endif /* !HAVE_KSTRTOBOOL_FROM_USER */
-
-sigset_t
-cfs_block_allsigs(void)
-{
- unsigned long flags;
- sigset_t old;
-
- spin_lock_irqsave(¤t->sighand->siglock, flags);
- old = current->blocked;
- sigfillset(¤t->blocked);
- recalc_sigpending();
- spin_unlock_irqrestore(¤t->sighand->siglock, flags);
- return old;
-}
-EXPORT_SYMBOL(cfs_block_allsigs);
-
-sigset_t cfs_block_sigs(unsigned long sigs)
-{
- unsigned long flags;
- sigset_t old;
-
- spin_lock_irqsave(¤t->sighand->siglock, flags);
- old = current->blocked;
- sigaddsetmask(¤t->blocked, sigs);
- recalc_sigpending();
- spin_unlock_irqrestore(¤t->sighand->siglock, flags);
- return old;
-}
-EXPORT_SYMBOL(cfs_block_sigs);
-
-/* Block all signals except for the @sigs */
-sigset_t cfs_block_sigsinv(unsigned long sigs)
-{
- unsigned long flags;
- sigset_t old;
-
- spin_lock_irqsave(¤t->sighand->siglock, flags);
- old = current->blocked;
- sigaddsetmask(¤t->blocked, ~sigs);
- recalc_sigpending();
- spin_unlock_irqrestore(¤t->sighand->siglock, flags);
- return old;
-}
-EXPORT_SYMBOL(cfs_block_sigsinv);
-
-void
-cfs_restore_sigs(sigset_t old)
-{
- unsigned long flags;
-
- spin_lock_irqsave(¤t->sighand->siglock, flags);
- current->blocked = old;
- recalc_sigpending();
- spin_unlock_irqrestore(¤t->sighand->siglock, flags);
-}
-EXPORT_SYMBOL(cfs_restore_sigs);
-
-void
-cfs_clear_sigpending(void)
-{
- unsigned long flags;
-
- spin_lock_irqsave(¤t->sighand->siglock, flags);
- clear_tsk_thread_flag(current, TIF_SIGPENDING);
- spin_unlock_irqrestore(¤t->sighand->siglock, flags);
-}
-EXPORT_SYMBOL(cfs_clear_sigpending);