ASoC: samsung: Add devm_clk_get to pcm.c

[deliverable/linux.git] / fs / file.c

diff --git a/fs/file.c b/fs/file.c
index 60a45e9f53231379c87b9ee75cb64eb8d6d71979..8f294cfac69749024c2c2e19d4b156755130e9ed 100644 (file)
--- a/fs/file.c
+++ b/fs/file.c
@@ -25,7 +25,10 @@
 
 int sysctl_nr_open __read_mostly = 1024*1024;
 int sysctl_nr_open_min = BITS_PER_LONG;
-int sysctl_nr_open_max = 1024 * 1024; /* raised later */
+/* our max() is unusable in constant expressions ;-/ */
+#define __const_max(x, y) ((x) < (y) ? (x) : (y))
+int sysctl_nr_open_max = __const_max(INT_MAX, ~(size_t)0/sizeof(void *)) &
+                        -BITS_PER_LONG;
 
 static void *alloc_fdmem(size_t size)
 {
@@ -429,12 +432,6 @@ void exit_files(struct task_struct *tsk)
        }
 }
 
-void __init files_defer_init(void)
-{
-       sysctl_nr_open_max = min((size_t)INT_MAX, ~(size_t)0/sizeof(void *)) &
-                            -BITS_PER_LONG;
-}
-
 struct files_struct init_files = {
        .count          = ATOMIC_INIT(1),
        .fdt            = &init_files.fdtab,
@@ -497,7 +494,7 @@ repeat:
        error = fd;
 #if 1
        /* Sanity check */
-       if (rcu_dereference_raw(fdt->fd[fd]) != NULL) {
+       if (rcu_access_pointer(fdt->fd[fd]) != NULL) {
                printk(KERN_WARNING "alloc_fd: slot %d not NULL!\n", fd);
                rcu_assign_pointer(fdt->fd[fd], NULL);
        }
@@ -713,27 +710,16 @@ unsigned long __fdget_raw(unsigned int fd)
 
 unsigned long __fdget_pos(unsigned int fd)
 {
-       struct files_struct *files = current->files;
-       struct file *file;
-       unsigned long v;
-
-       if (atomic_read(&files->count) == 1) {
-               file = __fcheck_files(files, fd);
-               v = 0;
-       } else {
-               file = __fget(fd, 0);
-               v = FDPUT_FPUT;
-       }
-       if (!file)
-               return 0;
+       unsigned long v = __fdget(fd);
+       struct file *file = (struct file *)(v & ~3);
 
-       if (file->f_mode & FMODE_ATOMIC_POS) {
+       if (file && (file->f_mode & FMODE_ATOMIC_POS)) {
                if (file_count(file) > 1) {
                        v |= FDPUT_POS_UNLOCK;
                        mutex_lock(&file->f_pos_lock);
                }
        }
-       return v | (unsigned long)file;
+       return v;
 }
 
 /*