[2/7] iomap: remove superflous pagefault_disable from iomap_write_actor

Commit Message

Christoph Hellwig Aug. 13, 2016, 11:42 p.m. UTC

iov_iter_copy_from_user_atomic disableѕ page fauls internal, no need to
do it around the call.  This also brings the iomap code in line with
the original filemap version.

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 fs/iomap.c | 2 --
 1 file changed, 2 deletions(-)

Patch

diff --git a/fs/iomap.c b/fs/iomap.c
index f39c318..74712e2 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -194,9 +194,7 @@  again:
 		if (mapping_writably_mapped(inode->i_mapping))
 			flush_dcache_page(page);
 
-		pagefault_disable();
 		copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);
-		pagefault_enable();
 
 		flush_dcache_page(page);