diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-11-29 11:21:42 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2021-12-04 17:58:51 +0100 |
| commit | 7b0800d00dae8c897398abaf61e82db0d67d7afc (patch) | |
| tree | 1d24e8995f2a54b0037b9c911c0bc9293ea6f102 /drivers/md/dm.c | |
| parent | xfs: factor out a xfs_setup_dax_always helper (diff) | |
| download | linux-7b0800d00dae8c897398abaf61e82db0d67d7afc.tar.xz linux-7b0800d00dae8c897398abaf61e82db0d67d7afc.zip | |
dax: remove dax_capable
Just open code the block size and dax_dev == NULL checks in the callers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> [erofs]
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-9-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index a8c650276b32..4eba27e75c23 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1027,26 +1027,6 @@ static long dm_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, return ret; } -static bool dm_dax_supported(struct dax_device *dax_dev, struct block_device *bdev, - int blocksize, sector_t start, sector_t len) -{ - struct mapped_device *md = dax_get_private(dax_dev); - struct dm_table *map; - bool ret = false; - int srcu_idx; - - map = dm_get_live_table(md, &srcu_idx); - if (!map) - goto out; - - ret = dm_table_supports_dax(map, device_not_dax_capable, &blocksize); - -out: - dm_put_live_table(md, srcu_idx); - - return ret; -} - static size_t dm_dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i) { @@ -3044,7 +3024,6 @@ static const struct block_device_operations dm_rq_blk_dops = { static const struct dax_operations dm_dax_ops = { .direct_access = dm_dax_direct_access, - .dax_supported = dm_dax_supported, .copy_from_iter = dm_dax_copy_from_iter, .copy_to_iter = dm_dax_copy_to_iter, .zero_page_range = dm_dax_zero_page_range, |