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-rw-r--r--fs/gfs2/ops_file.c2
-rw-r--r--fs/gfs2/ops_vm.c2
-rw-r--r--fs/ncpfs/mmap.c1
-rw-r--r--fs/ocfs2/mmap.c1
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c1
5 files changed, 7 insertions, 0 deletions
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 1a5e8e893d75..bad0b24cb773 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -364,6 +364,8 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma)
else
vma->vm_ops = &gfs2_vm_ops_private;
+ vma->vm_flags |= VM_CAN_INVALIDATE;
+
gfs2_glock_dq_uninit(&i_gh);
return error;
diff --git a/fs/gfs2/ops_vm.c b/fs/gfs2/ops_vm.c
index 404b7cc9f8c4..d5a98cbfebdc 100644
--- a/fs/gfs2/ops_vm.c
+++ b/fs/gfs2/ops_vm.c
@@ -138,6 +138,8 @@ static struct page *gfs2_sharewrite_nopage(struct vm_area_struct *area,
if (alloc_required) {
error = alloc_page_backing(ip, result);
if (error) {
+ if (area->vm_flags & VM_CAN_INVALIDATE)
+ unlock_page(result);
page_cache_release(result);
result = NULL;
goto out;
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 70a69115500f..5416673418b8 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -123,6 +123,7 @@ int ncp_mmap(struct file *file, struct vm_area_struct *vma)
return -EFBIG;
vma->vm_ops = &ncp_file_mmap;
+ vma->vm_flags |= VM_CAN_INVALIDATE;
file_accessed(file);
return 0;
}
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index d79aa12137d2..904f39ff5340 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -226,6 +226,7 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
ocfs2_meta_unlock(file->f_dentry->d_inode, lock_level);
out:
vma->vm_ops = &ocfs2_file_vm_ops;
+ vma->vm_flags |= VM_CAN_INVALIDATE;
return 0;
}
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index cbcd40c8c2a0..92b2f225712f 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -310,6 +310,7 @@ xfs_file_mmap(
struct vm_area_struct *vma)
{
vma->vm_ops = &xfs_file_vm_ops;
+ vma->vm_flags |= VM_CAN_INVALIDATE;
#ifdef CONFIG_XFS_DMAPI
if (vn_from_inode(filp->f_path.dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI)