X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fshmem.c;h=84b5cf9b63c519b64b9682f9747152bc10407800;hb=7352349a19e84b28f10668eca9cbb6bbbfa9d38e;hp=7c455fbaff7b6a0ea9b98c66c89bbc59c8333a64;hpb=7b875affd49fbc8978a1a898a0a80ebfff11f8c6;p=linux-2.6

diff --git a/mm/shmem.c b/mm/shmem.c
index 7c455fbaff..84b5cf9b63 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -46,6 +46,8 @@
 #include <linux/mempolicy.h>
 #include <linux/namei.h>
 #include <linux/ctype.h>
+#include <linux/migrate.h>
+
 #include <asm/uaccess.h>
 #include <asm/div64.h>
 #include <asm/pgtable.h>
@@ -875,7 +877,7 @@ redirty:
 }
 
 #ifdef CONFIG_NUMA
-static int shmem_parse_mpol(char *value, int *policy, nodemask_t *policy_nodes)
+static inline int shmem_parse_mpol(char *value, int *policy, nodemask_t *policy_nodes)
 {
 	char *nodelist = strchr(value, ':');
 	int err = 1;
@@ -1079,14 +1081,6 @@ 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);
@@ -1652,9 +1646,9 @@ 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;
@@ -1778,6 +1772,7 @@ 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);
 }
@@ -2100,6 +2095,7 @@ 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)
@@ -2119,7 +2115,7 @@ failed:
 	return err;
 }
 
-static kmem_cache_t *shmem_inode_cachep;
+static struct kmem_cache *shmem_inode_cachep;
 
 static struct inode *shmem_alloc_inode(struct super_block *sb)
 {
@@ -2139,7 +2135,8 @@ static void shmem_destroy_inode(struct inode *inode)
 	kmem_cache_free(shmem_inode_cachep, SHMEM_I(inode));
 }
 
-static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
+static void init_once(void *foo, struct kmem_cache *cachep,
+		      unsigned long flags)
 {
 	struct shmem_inode_info *p = (struct shmem_inode_info *) foo;
 
@@ -2172,6 +2169,7 @@ static struct address_space_operations shmem_aops = {
 	.prepare_write	= shmem_prepare_write,
 	.commit_write	= simple_commit_write,
 #endif
+	.migratepage	= migrate_page,
 };
 
 static struct file_operations shmem_file_operations = {
@@ -2227,10 +2225,10 @@ 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 = {