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authorAlex Elder <elder@inktank.com>2013-03-02 04:00:15 +0400
committerSage Weil <sage@inktank.com>2013-05-02 08:16:21 +0400
commitcf7b7e1492e97dd0c44479239742eb4cb752eeed (patch)
tree83ed8068f3b0c1138601a763657aa3a2335fd24e /fs
parent54ae0756e3847f4350ba24271a2a38be1263dd67 (diff)
downloadlinux-cf7b7e1492e97dd0c44479239742eb4cb752eeed.tar.xz
ceph: use calc_pages_for() in start_read()
There's a spot that computes the number of pages to allocate for a page-aligned length by just shifting it. Use calc_pages_for() instead, to be consistent with usage everywhere else. The result is the same. The reason for this is to make it clearer in an upcoming patch that this calculation is duplicated. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/addr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 2a571fb4803b..e53f24b15b12 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -314,7 +314,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
return PTR_ERR(req);
/* build page vector */
- nr_pages = len >> PAGE_CACHE_SHIFT;
+ nr_pages = calc_pages_for(0, len);
pages = kmalloc(sizeof(*pages) * nr_pages, GFP_NOFS);
ret = -ENOMEM;
if (!pages)