diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-11-29 11:22:00 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2021-12-04 17:58:54 +0100 |
| commit | de2051147771017a61b62c02fd4e883c9b07712d (patch) | |
| tree | d34d624dc761687aea694c3a68b443d6fbe35102 /fs/dax.c | |
| parent | dax: return the partition offset from fs_dax_get_by_bdev (diff) | |
| download | linux-de2051147771017a61b62c02fd4e883c9b07712d.tar.xz linux-de2051147771017a61b62c02fd4e883c9b07712d.zip | |
fsdax: shift partition offset handling into the file systems
Remove the last user of ->bdev in dax.c by requiring the file system to
pass in an address that already includes the DAX offset. As part of the
only set ->bdev or ->daxdev when actually required in the ->iomap_begin
methods.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> [erofs]
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-27-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 6 |
1 files changed, 1 insertions, 5 deletions
@@ -711,11 +711,7 @@ int dax_invalidate_mapping_entry_sync(struct address_space *mapping, static pgoff_t dax_iomap_pgoff(const struct iomap *iomap, loff_t pos) { - phys_addr_t paddr = iomap->addr + (pos & PAGE_MASK) - iomap->offset; - - if (iomap->bdev) - paddr += (get_start_sect(iomap->bdev) << SECTOR_SHIFT); - return PHYS_PFN(paddr); + return PHYS_PFN(iomap->addr + (pos & PAGE_MASK) - iomap->offset); } static int copy_cow_page_dax(struct vm_fault *vmf, const struct iomap_iter *iter) |