X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fshmem.c;h=84b5cf9b63c519b64b9682f9747152bc10407800;hb=e6a1530d692d6a60cdf15dfbcfea07f5324d7b9f;hp=37eaf42ed2c686541e4e1ef7a7a41afe736e7eb7;hpb=9d8f057acbd38d8177cf2ffd5e151d52c2477372;p=linux-2.6

diff --git a/mm/shmem.c b/mm/shmem.c
index 37eaf42ed2..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>
@@ -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)
@@ -2173,6 +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 = {
@@ -2228,10 +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 = {