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dax: remove dax_capable

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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
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9
fs/ext4/super.c
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@@ -4299,9 +4299,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
if (dax_supported(dax_dev, sb->s_bdev, blocksize, 0,
bdev_nr_sectors(sb->s_bdev)))
set_bit(EXT4_FLAGS_BDEV_IS_DAX, &sbi->s_ext4_flags);
if (dax_dev) {
if (blocksize == PAGE_SIZE)
set_bit(EXT4_FLAGS_BDEV_IS_DAX, &sbi->s_ext4_flags);
else
ext4_msg(sb, KERN_ERR, "unsupported blocksize for DAX\n");
}
if (sbi->s_mount_opt & EXT4_MOUNT_DAX_ALWAYS) {
if (ext4_has_feature_inline_data(sb)) {