Subject: + brd-add-support-for-rw_page.patch added to -mm tree To: matthew.r.wilcox@xxxxxxxxx,david@xxxxxxxxxxxxx,dheeraj.reddy@xxxxxxxxx,hughd@xxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Thu, 24 Apr 2014 11:18:02 -0700 The patch titled Subject: brd: add support for rw_page() has been added to the -mm tree. Its filename is brd-add-support-for-rw_page.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/brd-add-support-for-rw_page.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/brd-add-support-for-rw_page.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx> Subject: brd: add support for rw_page() Signed-off-by: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx> Cc: Dave Chinner <david@xxxxxxxxxxxxx> Cc: Dheeraj Reddy <dheeraj.reddy@xxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/block/brd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff -puN drivers/block/brd.c~brd-add-support-for-rw_page drivers/block/brd.c --- a/drivers/block/brd.c~brd-add-support-for-rw_page +++ a/drivers/block/brd.c @@ -360,6 +360,15 @@ out: bio_endio(bio, err); } +static int brd_rw_page(struct block_device *bdev, sector_t sector, + struct page *page, int rw) +{ + struct brd_device *brd = bdev->bd_disk->private_data; + int err = brd_do_bvec(brd, page, PAGE_CACHE_SIZE, 0, rw, sector); + page_endio(page, rw & WRITE, err); + return err; +} + #ifdef CONFIG_BLK_DEV_XIP static int brd_direct_access(struct block_device *bdev, sector_t sector, void **kaddr, unsigned long *pfn) @@ -419,6 +428,7 @@ static int brd_ioctl(struct block_device static const struct block_device_operations brd_fops = { .owner = THIS_MODULE, + .rw_page = brd_rw_page, .ioctl = brd_ioctl, #ifdef CONFIG_BLK_DEV_XIP .direct_access = brd_direct_access, _ Patches currently in -mm which might be from matthew.r.wilcox@xxxxxxxxx are origin.patch mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch fs-bufferc-remove-block_write_full_page_endio.patch fs-mpagec-factor-clean_buffers-out-of-__mpage_writepage.patch fs-mpagec-factor-page_endio-out-of-mpage_end_io.patch fs-block_devc-add-bdev_read_page-and-bdev_write_page.patch swap-use-bdev_read_page-bdev_write_page.patch brd-add-support-for-rw_page.patch brd-return-enospc-rather-than-enomem-on-page-allocation-failure.patch do_shared_fault-check-that-mmap_sem-is-held.patch linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html