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Subject[PATCH 10/26] lustre: Convert ll_get_user_pages() to use get_user_pages_fast()
Date
CC: Greg Kroah-Hartman <greg@kroah.com>
CC: Peng Tao <tao.peng@emc.com>
CC: Andreas Dilger <andreas.dilger@intel.com>
CC: hpdd-discuss@lists.01.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
drivers/staging/lustre/lustre/llite/rw26.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c
index 96c29ad2fc8c..7e3e0967993b 100644
--- a/drivers/staging/lustre/lustre/llite/rw26.c
+++ b/drivers/staging/lustre/lustre/llite/rw26.c
@@ -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));
}
--
1.8.1.4


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