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| author | Dan Williams <dan.j.williams@intel.com> | 2015-08-07 17:41:00 -0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2015-08-27 19:40:58 -0400 |
| commit | cb389b9c0e00c30c9daf20287f7d91e2466edbb1 (patch) | |
| tree | a4a1509038a419fbb90918dfee9ea099160680de /drivers | |
| parent | 4a9bf88a5caa8495b5eb2b738d5fb40924bbc538 (diff) | |
| download | linux-stable-cb389b9c0e00c30c9daf20287f7d91e2466edbb1.tar.gz linux-stable-cb389b9c0e00c30c9daf20287f7d91e2466edbb1.tar.bz2 linux-stable-cb389b9c0e00c30c9daf20287f7d91e2466edbb1.zip | |
dax: drop size parameter to ->direct_access()
None of the implementations currently use it. The common
bdev_direct_access() entry point handles all the size checks before
calling ->direct_access().
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/brd.c | 6 | ||||
| -rw-r--r-- | drivers/nvdimm/pmem.c | 2 | ||||
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 4 |
3 files changed, 4 insertions, 8 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index c96402fd1560..03c45c41bdfa 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -371,7 +371,7 @@ static int brd_rw_page(struct block_device *bdev, sector_t sector, #ifdef CONFIG_BLK_DEV_RAM_DAX static long brd_direct_access(struct block_device *bdev, sector_t sector, - void __pmem **kaddr, unsigned long *pfn, long size) + void __pmem **kaddr, unsigned long *pfn) { struct brd_device *brd = bdev->bd_disk->private_data; struct page *page; @@ -384,10 +384,6 @@ static long brd_direct_access(struct block_device *bdev, sector_t sector, *kaddr = (void __pmem *)page_address(page); *pfn = page_to_pfn(page); - /* - * TODO: If size > PAGE_SIZE, we could look to see if the next page in - * the file happens to be mapped to the next page of physical RAM. - */ return PAGE_SIZE; } #else diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index f3b629779266..3b5b9cb758b6 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -92,7 +92,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector, } static long pmem_direct_access(struct block_device *bdev, sector_t sector, - void __pmem **kaddr, unsigned long *pfn, long size) + void __pmem **kaddr, unsigned long *pfn) { struct pmem_device *pmem = bdev->bd_disk->private_data; size_t offset = sector << 9; diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 2c5a397b9f3e..8c027a9e4e8a 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -29,7 +29,7 @@ static int dcssblk_open(struct block_device *bdev, fmode_t mode); static void dcssblk_release(struct gendisk *disk, fmode_t mode); static void dcssblk_make_request(struct request_queue *q, struct bio *bio); static long dcssblk_direct_access(struct block_device *bdev, sector_t secnum, - void __pmem **kaddr, unsigned long *pfn, long size); + void __pmem **kaddr, unsigned long *pfn); static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0"; @@ -879,7 +879,7 @@ fail: static long dcssblk_direct_access (struct block_device *bdev, sector_t secnum, - void __pmem **kaddr, unsigned long *pfn, long size) + void __pmem **kaddr, unsigned long *pfn) { struct dcssblk_dev_info *dev_info; unsigned long offset, dev_sz; |