X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fshmem.c;h=a9c09e0ba709b774943edf8cab655176f5f82210;hb=598736c55622f7ea65b98f93c825ff95c433877c;hp=4c5e68e4e9aed7fcf6b31a88d240046ffeb0f899;hpb=7894eaf291238a62a565e9e9777483beeb00eeae;p=linux-2.6

diff --git a/mm/shmem.c b/mm/shmem.c
index 4c5e68e4e9..a9c09e0ba7 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -26,7 +26,6 @@
 #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 +173,7 @@ 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 +1045,12 @@ 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 +1080,6 @@ 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 +1645,9 @@ 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;
@@ -1780,6 +1771,7 @@ static int shmem_rmdir(struct inode *dir, struct dentry *dentry)
 	if (!simple_empty(dentry))
 		return -ENOTEMPTY;
 
+	dentry->d_inode->i_nlink--;
 	dir->i_nlink--;
 	return shmem_unlink(dir, dentry);
 }
@@ -2102,6 +2094,7 @@ static int shmem_fill_super(struct super_block *sb,
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
 	sb->s_magic = TMPFS_MAGIC;
 	sb->s_op = &shmem_ops;
+	sb->s_time_gran = 1;
 
 	inode = shmem_get_inode(sb, S_IFDIR | mode, 0);
 	if (!inode)
@@ -2168,7 +2161,7 @@ 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
@@ -2231,10 +2224,10 @@ static struct vm_operations_struct shmem_vm_ops = {
 };
 
 
-static struct super_block *shmem_get_sb(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
+static int shmem_get_sb(struct file_system_type *fs_type,
+	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
-	return get_sb_nodev(fs_type, flags, data, shmem_fill_super);
+	return get_sb_nodev(fs_type, flags, data, shmem_fill_super, mnt);
 }
 
 static struct file_system_type tmpfs_fs_type = {
@@ -2258,10 +2251,8 @@ 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);