summaryrefslogtreecommitdiff
path: root/fs/ecryptfs/file.c
diff options
context:
space:
mode:
authorVarun Wadekar <vwadekar@nvidia.com>2011-12-14 15:33:34 +0530
committerVarun Wadekar <vwadekar@nvidia.com>2011-12-14 15:33:34 +0530
commit638bc555a05c39ced59744c79c0461536782808d (patch)
tree42bf9c8cdfd44898be31bc31cf2e4743a2484cf4 /fs/ecryptfs/file.c
parentf05a661e2247076a0c0e5a09ee8c4397b0de855e (diff)
parentcaf4b0430be8296bf644199bf3ed3056c02420c7 (diff)
Merge branch 'linux-3.1.5' into android-tegra-nv-3.1
Conflicts: arch/arm/Kconfig Change-Id: If8aaaf3efcbbf6c9017b38efb6d76ef933f147fa Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'fs/ecryptfs/file.c')
-rw-r--r--fs/ecryptfs/file.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index c6ac98cf9baa..d3f95f941c47 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -139,6 +139,27 @@ out:
return rc;
}
+static void ecryptfs_vma_close(struct vm_area_struct *vma)
+{
+ filemap_write_and_wait(vma->vm_file->f_mapping);
+}
+
+static const struct vm_operations_struct ecryptfs_file_vm_ops = {
+ .close = ecryptfs_vma_close,
+ .fault = filemap_fault,
+};
+
+static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ int rc;
+
+ rc = generic_file_mmap(file, vma);
+ if (!rc)
+ vma->vm_ops = &ecryptfs_file_vm_ops;
+
+ return rc;
+}
+
struct kmem_cache *ecryptfs_file_info_cache;
/**
@@ -349,7 +370,7 @@ const struct file_operations ecryptfs_main_fops = {
#ifdef CONFIG_COMPAT
.compat_ioctl = ecryptfs_compat_ioctl,
#endif
- .mmap = generic_file_mmap,
+ .mmap = ecryptfs_file_mmap,
.open = ecryptfs_open,
.flush = ecryptfs_flush,
.release = ecryptfs_release,