callers of iov_copy_from_user_atomic() don't need pagecache_disable()

... it does that itself (via kmap_atomic())

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 0 insertions, 7 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 0165b8672f09..34e096201da1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -425,13 +425,8 @@ static noinline int btrfs_copy_from_user(loff_t pos, int num_pages,
                 struct page *page = prepared_pages[pg];
                 /*
                  * Copy data from userspace to the current page
-                 *
-                 * Disable pagefault to avoid recursive lock since
-                 * the pages are already locked
                  */
-                pagefault_disable();
                 copied = iov_iter_copy_from_user_atomic(page, i, offset, count);
-                pagefault_enable();
 
                 /* Flush processor's dcache for this page */
                 flush_dcache_page(page);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 77bcc303c3ae..a91d3b4d32f3 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1003,9 +1003,7 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
                 if (mapping_writably_mapped(mapping))
                         flush_dcache_page(page);
 
-                pagefault_disable();
                 tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes);
-                pagefault_enable();
                 flush_dcache_page(page);
 
                 mark_page_accessed(page);