]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - mm/shmem.c
[POWERPC] iseries: Fix a compiler warning in platforms/iseries/vpdinfo.c
[karo-tx-linux.git] / mm / shmem.c
index 7617bb1c6bf78cd7789a40b2baa821e4fdb01837..db21c51531ca894f647d1aea6b79f72b0d6fc56d 100644 (file)
  * which makes it a completely usable filesystem.
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
@@ -174,7 +172,7 @@ static inline void shmem_unacct_blocks(unsigned long flags, long pages)
 }
 
 static struct super_operations shmem_ops;
-static struct address_space_operations shmem_aops;
+static const struct address_space_operations shmem_aops;
 static struct file_operations shmem_file_operations;
 static struct inode_operations shmem_inode_operations;
 static struct inode_operations shmem_dir_inode_operations;
@@ -1046,12 +1044,12 @@ repeat:
                swappage = lookup_swap_cache(swap);
                if (!swappage) {
                        shmem_swp_unmap(entry);
-                       spin_unlock(&info->lock);
                        /* here we actually do the io */
                        if (type && *type == VM_FAULT_MINOR) {
-                               inc_page_state(pgmajfault);
+                               __count_vm_event(PGMAJFAULT);
                                *type = VM_FAULT_MAJOR;
                        }
+                       spin_unlock(&info->lock);
                        swappage = shmem_swapin(info, swap, idx);
                        if (!swappage) {
                                spin_lock(&info->lock);
@@ -1081,14 +1079,6 @@ repeat:
                        page_cache_release(swappage);
                        goto repeat;
                }
-               if (!PageSwapCache(swappage)) {
-                       /* Page migration has occured */
-                       shmem_swp_unmap(entry);
-                       spin_unlock(&info->lock);
-                       unlock_page(swappage);
-                       page_cache_release(swappage);
-                       goto repeat;
-               }
                if (PageWriteback(swappage)) {
                        shmem_swp_unmap(entry);
                        spin_unlock(&info->lock);
@@ -1654,9 +1644,9 @@ static ssize_t shmem_file_sendfile(struct file *in_file, loff_t *ppos,
        return desc.error;
 }
 
-static int shmem_statfs(struct super_block *sb, struct kstatfs *buf)
+static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
-       struct shmem_sb_info *sbinfo = SHMEM_SB(sb);
+       struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
 
        buf->f_type = TMPFS_MAGIC;
        buf->f_bsize = PAGE_CACHE_SIZE;
@@ -2170,7 +2160,7 @@ static void destroy_inodecache(void)
                printk(KERN_INFO "shmem_inode_cache: not all structures were freed\n");
 }
 
-static struct address_space_operations shmem_aops = {
+static const struct address_space_operations shmem_aops = {
        .writepage      = shmem_writepage,
        .set_page_dirty = __set_page_dirty_nobuffers,
 #ifdef CONFIG_TMPFS
@@ -2260,10 +2250,8 @@ static int __init init_tmpfs(void)
                printk(KERN_ERR "Could not register tmpfs\n");
                goto out2;
        }
-#ifdef CONFIG_TMPFS
-       devfs_mk_dir("shm");
-#endif
-       shm_mnt = do_kern_mount(tmpfs_fs_type.name, MS_NOUSER,
+
+       shm_mnt = vfs_kern_mount(&tmpfs_fs_type, MS_NOUSER,
                                tmpfs_fs_type.name, NULL);
        if (IS_ERR(shm_mnt)) {
                error = PTR_ERR(shm_mnt);