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 08:58:51 -0800 |
commit | 7b0800d00dae8c897398abaf61e82db0d67d7afc (patch) | |
tree | 1d24e8995f2a54b0037b9c911c0bc9293ea6f102 /drivers/dax | |
parent | 679a99495b8fda800037b25af8cd990eb7dd72c9 (diff) |
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/dax')
-rw-r--r-- | drivers/dax/super.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c index f2cef47bdeaf..90b5733f5a70 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -107,42 +107,6 @@ struct dax_device *fs_dax_get_by_bdev(struct block_device *bdev) return dax_dev; } EXPORT_SYMBOL_GPL(fs_dax_get_by_bdev); - -bool generic_fsdax_supported(struct dax_device *dax_dev, - struct block_device *bdev, int blocksize, sector_t start, - sector_t sectors) -{ - if (blocksize != PAGE_SIZE) { - pr_info("%pg: error: unsupported blocksize for dax\n", bdev); - return false; - } - - if (!dax_dev) { - pr_debug("%pg: error: dax unsupported by block device\n", bdev); - return false; - } - - return true; -} -EXPORT_SYMBOL_GPL(generic_fsdax_supported); - -bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, - int blocksize, sector_t start, sector_t len) -{ - bool ret = false; - int id; - - if (!dax_dev) - return false; - - id = dax_read_lock(); - if (dax_alive(dax_dev) && dax_dev->ops->dax_supported) - ret = dax_dev->ops->dax_supported(dax_dev, bdev, blocksize, - start, len); - dax_read_unlock(id); - return ret; -} -EXPORT_SYMBOL_GPL(dax_supported); #endif /* CONFIG_BLOCK && CONFIG_FS_DAX */ enum dax_device_flags { |