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authorOlof Johansson <olof@lixom.net>2012-09-11 23:22:25 -0700
committerOlof Johansson <olof@lixom.net>2012-09-11 23:22:25 -0700
commitf46e374c1ea7fafce70a838f09fbd67de3e4d49f (patch)
treee191e5316bdb8558bd3e2b0981c715bedd225ca7 /fs/logfs/dev_bdev.c
parenta4d3621e0d3ecf191961dc9214e4a378a7186780 (diff)
parenteb8ca943bae2b84c3fc14dfd7a908cb334465fef (diff)
Merge branch 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
* 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: marzen: enable thermal sensor ARM: shmobile: marzen: fixup regulator id for smsc911x ARM: shmobile: marzen: add SDHI0 support + sync to 3.6-rc4
Diffstat (limited to 'fs/logfs/dev_bdev.c')
-rw-r--r--fs/logfs/dev_bdev.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
index df0de27c273..e784a217b50 100644
--- a/fs/logfs/dev_bdev.c
+++ b/fs/logfs/dev_bdev.c
@@ -26,6 +26,7 @@ static int sync_request(struct page *page, struct block_device *bdev, int rw)
struct completion complete;
bio_init(&bio);
+ bio.bi_max_vecs = 1;
bio.bi_io_vec = &bio_vec;
bio_vec.bv_page = page;
bio_vec.bv_len = PAGE_SIZE;
@@ -95,12 +96,11 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index,
struct address_space *mapping = super->s_mapping_inode->i_mapping;
struct bio *bio;
struct page *page;
- struct request_queue *q = bdev_get_queue(sb->s_bdev);
- unsigned int max_pages = queue_max_hw_sectors(q) >> (PAGE_SHIFT - 9);
+ unsigned int max_pages;
int i;
- if (max_pages > BIO_MAX_PAGES)
- max_pages = BIO_MAX_PAGES;
+ max_pages = min(nr_pages, (size_t) bio_get_nr_vecs(super->s_bdev));
+
bio = bio_alloc(GFP_NOFS, max_pages);
BUG_ON(!bio);
@@ -190,12 +190,11 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index,
{
struct logfs_super *super = logfs_super(sb);
struct bio *bio;
- struct request_queue *q = bdev_get_queue(sb->s_bdev);
- unsigned int max_pages = queue_max_hw_sectors(q) >> (PAGE_SHIFT - 9);
+ unsigned int max_pages;
int i;
- if (max_pages > BIO_MAX_PAGES)
- max_pages = BIO_MAX_PAGES;
+ max_pages = min(nr_pages, (size_t) bio_get_nr_vecs(super->s_bdev));
+
bio = bio_alloc(GFP_NOFS, max_pages);
BUG_ON(!bio);