diff mbox

[14/26] nfs: Convert direct IO to use get_user_pages_fast()

Message ID 1380724087-13927-15-git-send-email-jack@suse.cz (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Kara Oct. 2, 2013, 2:27 p.m. UTC 
CC: Trond Myklebust <Trond.Myklebust@netapp.com>
CC: linux-nfs@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/nfs/direct.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
diff mbox

Patch

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 91ff089d3412..1aaf4aa2b3d7 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -337,10 +337,8 @@  static ssize_t nfs_direct_read_schedule_segment(struct nfs_pageio_descriptor *de
 		if (!pagevec)
 			break;
 		if (uio) {
-			down_read(&current->mm->mmap_sem);
-			result = get_user_pages(current, current->mm, user_addr,
-					npages, 1, 0, pagevec, NULL);
-			up_read(&current->mm->mmap_sem);
+			result = get_user_pages_fast(user_addr, npages, 1,
+						     pagevec);
 			if (result < 0)
 				break;
 		} else {
@@ -658,10 +656,8 @@  static ssize_t nfs_direct_write_schedule_segment(struct nfs_pageio_descriptor *d
 			break;
 
 		if (uio) {
-			down_read(&current->mm->mmap_sem);
-			result = get_user_pages(current, current->mm, user_addr,
-						npages, 0, 0, pagevec, NULL);
-			up_read(&current->mm->mmap_sem);
+			result = get_user_pages_fast(user_addr, npages, 0,
+						     pagevec);
 			if (result < 0)
 				break;
 		} else {