Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d1a168ec authored by Jan Kara's avatar Jan Kara Committed by Greg Kroah-Hartman
Browse files

lustre: Convert ll_get_user_pages() to use get_user_pages_fast() 



CC: Peng Tao <tao.peng@emc.com>
Acked-by: default avatarAndreas Dilger <andreas.dilger@intel.com>
CC: hpdd-discuss@lists.01.org
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f30bd685

drivers/staging/lustre/lustre/llite/rw26.c

+2 −5
Original line number Diff line number Diff line
@@ -202,11 +202,8 @@ static inline int ll_get_user_pages(int rw, unsigned long user_addr, 


	OBD_ALLOC_LARGE(*pages, *max_pages * sizeof(**pages));

	if (*pages) {

		down_read(&current->mm->mmap_sem);

		result = get_user_pages(current, current->mm, user_addr,

					*max_pages, (rw == READ), 0, *pages,

					NULL);

		up_read(&current->mm->mmap_sem);

		result = get_user_pages_fast(user_addr, *max_pages,

					     (rw == READ), *pages);

		if (unlikely(result <= 0))

			OBD_FREE_LARGE(*pages, *max_pages * sizeof(**pages));

	}