leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dax: remove dax_capable

Browse Source 
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>
This commit is contained in:
Christoph Hellwig
2021-11-29 11:21:42 +01:00
committed by Dan Williams
parent 679a99495b
commit 7b0800d00d
11 changed files with 36 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/dax/super.c
View File

@@ -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 {