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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-17 02:31:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-17 02:31:36 +0200 |
| commit | 7ac3c93e5dd74486ca4f8f0b02ae55182658d2e5 (patch) | |
| tree | 08b949c872aefbc0f8e12bdcc4dc82297bdd0f2e /fs/logfs/dev_bdev.c | |
| parent | serial: mxs-auart: put the device in the error path (diff) | |
| parent | Linux 3.6-rc6 (diff) | |
| download | linux-7ac3c93e5dd74486ca4f8f0b02ae55182658d2e5.tar.xz linux-7ac3c93e5dd74486ca4f8f0b02ae55182658d2e5.zip | |
Merge 3.6-rc6 into tty-next
This pulls in the fixes in 3.6-rc6
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/logfs/dev_bdev.c')
| -rw-r--r-- | fs/logfs/dev_bdev.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c index df0de27c2733..e784a217b500 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); |