Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 8c1cef3bb677..ab4c3a9d51b8 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -18,6 +18,7 @@
 #include <linux/highmem.h>
 #include <linux/init.h>
 #include <linux/string.h>
+#include <linux/capability.h>
 #include <linux/backing-dev.h>
 #include <linux/hugetlb.h>
 #include <linux/pagevec.h>
@@ -100,9 +101,6 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
         loff_t len, vma_len;
         int ret;
 
-        if ((vma->vm_flags & (VM_MAYSHARE | VM_WRITE)) == VM_WRITE)
-                return -EINVAL;
-
         if (vma->vm_pgoff & (HPAGE_SIZE / PAGE_SIZE - 1))
                 return -EINVAL;
 
@@ -121,7 +119,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 
         vma_len = (loff_t)(vma->vm_end - vma->vm_start);
 
-        down(&inode->i_sem);
+        mutex_lock(&inode->i_mutex);
         file_accessed(file);
         vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
         vma->vm_ops = &hugetlb_vm_ops;
@@ -136,7 +134,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
         if (inode->i_size < len)
                 inode->i_size = len;
 out:
-        up(&inode->i_sem);
+        mutex_unlock(&inode->i_mutex);
 
         return ret;
 }