[PATCH] autofs4 oops fix

[linux-2.6-omap-h63xx.git] / fs / file_table.c

diff --git a/fs/file_table.c b/fs/file_table.c
index 4dc205546547aae35d1cd613ac27146d706e1d09..768b581675433ed0e02eb0a9bcf35288de7adca5 100644 (file)
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -16,6 +16,7 @@
 #include <linux/eventpoll.h>
 #include <linux/rcupdate.h>
 #include <linux/mount.h>
+#include <linux/capability.h>
 #include <linux/cdev.h>
 #include <linux/fsnotify.h>
 
@@ -35,7 +36,7 @@ static DEFINE_SPINLOCK(filp_count_lock);
  * context and must be fully threaded - use a local spinlock
  * to protect files_stat.nr_files
  */
-void filp_ctor(void * objp, struct kmem_cache_s *cachep, unsigned long cflags)
+void filp_ctor(void *objp, struct kmem_cache *cachep, unsigned long cflags)
 {
        if ((cflags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
            SLAB_CTOR_CONSTRUCTOR) {
@@ -46,7 +47,7 @@ void filp_ctor(void * objp, struct kmem_cache_s *cachep, unsigned long cflags)
        }
 }
 
-void filp_dtor(void * objp, struct kmem_cache_s *cachep, unsigned long dflags)
+void filp_dtor(void *objp, struct kmem_cache *cachep, unsigned long dflags)
 {
        unsigned long flags;
        spin_lock_irqsave(&filp_count_lock, flags);
@@ -117,7 +118,7 @@ EXPORT_SYMBOL(get_empty_filp);
 
 void fastcall fput(struct file *file)
 {
-       if (rcuref_dec_and_test(&file->f_count))
+       if (atomic_dec_and_test(&file->f_count))
                __fput(file);
 }
 
@@ -166,7 +167,7 @@ struct file fastcall *fget(unsigned int fd)
        rcu_read_lock();
        file = fcheck_files(files, fd);
        if (file) {
-               if (!rcuref_inc_lf(&file->f_count)) {
+               if (!atomic_inc_not_zero(&file->f_count)) {
                        /* File object ref couldn't be taken */
                        rcu_read_unlock();
                        return NULL;
@@ -198,7 +199,7 @@ struct file fastcall *fget_light(unsigned int fd, int *fput_needed)
                rcu_read_lock();
                file = fcheck_files(files, fd);
                if (file) {
-                       if (rcuref_inc_lf(&file->f_count))
+                       if (atomic_inc_not_zero(&file->f_count))
                                *fput_needed = 1;
                        else
                                /* Didn't get the reference, someone's freed */
@@ -213,7 +214,7 @@ struct file fastcall *fget_light(unsigned int fd, int *fput_needed)
 
 void put_filp(struct file *file)
 {
-       if (rcuref_dec_and_test(&file->f_count)) {
+       if (atomic_dec_and_test(&file->f_count)) {
                security_file_free(file);
                file_kill(file);
                file_free(file);