[PATCH] eCryptfs: convert kmap() to kmap_atomic()

Replace kmap() with kmap_atomic().  Reduce the amount of time that mappings
are held.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Trevor Highland <tshighla@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index ec526df4235e..31e628a3a1fa 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -514,10 +514,6 @@ int ecryptfs_copy_page_to_lower(struct page *page, struct inode *lower_inode,
                                 struct file *lower_file);
 int ecryptfs_do_readpage(struct file *file, struct page *page,
                          pgoff_t lower_page_index);
-int ecryptfs_grab_and_map_lower_page(struct page **lower_page,
-                                     char **lower_virt,
-                                     struct inode *lower_inode,
-                                     unsigned long lower_page_index);
 int ecryptfs_writepage_and_release_lower_page(struct page *lower_page,
                                               struct inode *lower_inode,
                                               struct writeback_control *wbc);