diff options
| author | Vishal Verma <[email protected]> | 2020-07-28 12:03:03 -0600 |
|---|---|---|
| committer | Vishal Verma <[email protected]> | 2020-07-28 12:03:03 -0600 |
| commit | f4013ca6803049665a11aab07909eb0e04f22f12 (patch) | |
| tree | 042df0251a254fd2ae99c561e2f5cea5663ffb0e | |
| parent | 48778464bb7d346b47157d21ffde2af6b2d39110 (diff) | |
| parent | eedfd73d401b5584ab270b5f9f80079e56c7807e (diff) | |
Merge branch 'for-5.9/dax' into libnvdimm-for-next
This contains a handful of dax changes for v5.9. Of the three commits,
one is a print verbosity change, and two are independent fixes that fell
out of the PKS work [1].
[1]: https://lore.kernel.org/linux-nvdimm/[email protected]
| -rw-r--r-- | drivers/dax/super.c | 13 | ||||
| -rw-r--r-- | fs/dax.c | 13 |
2 files changed, 13 insertions, 13 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 8e32345be0f7..ec62752215e4 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -80,14 +80,14 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev, int err, id; if (blocksize != PAGE_SIZE) { - pr_debug("%s: error: unsupported blocksize for dax\n", + pr_info("%s: error: unsupported blocksize for dax\n", bdevname(bdev, buf)); return false; } err = bdev_dax_pgoff(bdev, start, PAGE_SIZE, &pgoff); if (err) { - pr_debug("%s: error: unaligned partition for dax\n", + pr_info("%s: error: unaligned partition for dax\n", bdevname(bdev, buf)); return false; } @@ -95,7 +95,7 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev, last_page = PFN_DOWN((start + sectors - 1) * 512) * PAGE_SIZE / 512; err = bdev_dax_pgoff(bdev, last_page, PAGE_SIZE, &pgoff_end); if (err) { - pr_debug("%s: error: unaligned partition for dax\n", + pr_info("%s: error: unaligned partition for dax\n", bdevname(bdev, buf)); return false; } @@ -103,11 +103,11 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev, id = dax_read_lock(); len = dax_direct_access(dax_dev, pgoff, 1, &kaddr, &pfn); len2 = dax_direct_access(dax_dev, pgoff_end, 1, &end_kaddr, &end_pfn); - dax_read_unlock(id); if (len < 1 || len2 < 1) { - pr_debug("%s: error: dax access failed (%ld)\n", + pr_info("%s: error: dax access failed (%ld)\n", bdevname(bdev, buf), len < 1 ? len : len2); + dax_read_unlock(id); return false; } @@ -137,9 +137,10 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev, put_dev_pagemap(end_pgmap); } + dax_read_unlock(id); if (!dax_enabled) { - pr_debug("%s: error: dax support not enabled\n", + pr_info("%s: error: dax support not enabled\n", bdevname(bdev, buf)); return false; } @@ -680,21 +680,20 @@ int dax_invalidate_mapping_entry_sync(struct address_space *mapping, return __dax_invalidate_entry(mapping, index, false); } -static int copy_user_dax(struct block_device *bdev, struct dax_device *dax_dev, - sector_t sector, size_t size, struct page *to, - unsigned long vaddr) +static int copy_cow_page_dax(struct block_device *bdev, struct dax_device *dax_dev, + sector_t sector, struct page *to, unsigned long vaddr) { void *vto, *kaddr; pgoff_t pgoff; long rc; int id; - rc = bdev_dax_pgoff(bdev, sector, size, &pgoff); + rc = bdev_dax_pgoff(bdev, sector, PAGE_SIZE, &pgoff); if (rc) return rc; id = dax_read_lock(); - rc = dax_direct_access(dax_dev, pgoff, PHYS_PFN(size), &kaddr, NULL); + rc = dax_direct_access(dax_dev, pgoff, PHYS_PFN(PAGE_SIZE), &kaddr, NULL); if (rc < 0) { dax_read_unlock(id); return rc; @@ -1305,8 +1304,8 @@ static vm_fault_t dax_iomap_pte_fault(struct vm_fault *vmf, pfn_t *pfnp, clear_user_highpage(vmf->cow_page, vaddr); break; case IOMAP_MAPPED: - error = copy_user_dax(iomap.bdev, iomap.dax_dev, - sector, PAGE_SIZE, vmf->cow_page, vaddr); + error = copy_cow_page_dax(iomap.bdev, iomap.dax_dev, + sector, vmf->cow_page, vaddr); break; default: WARN_ON_ONCE(1); |