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authorChristoph Hellwig <hch@lst.de>2021-11-29 11:21:42 +0100
committerDan Williams <dan.j.williams@intel.com>2021-12-04 08:58:51 -0800
commit7b0800d00dae8c897398abaf61e82db0d67d7afc (patch)
tree1d24e8995f2a54b0037b9c911c0bc9293ea6f102 /fs/erofs
parent679a99495b8fda800037b25af8cd990eb7dd72c9 (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 'fs/erofs')
-rw-r--r--fs/erofs/super.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index 6a969b1e0ee6..0aed886473c8 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -652,10 +652,13 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
if (err)
return err;
- if (test_opt(&sbi->opt, DAX_ALWAYS) &&
- !dax_supported(sbi->dax_dev, sb->s_bdev, EROFS_BLKSIZ, 0, bdev_nr_sectors(sb->s_bdev))) {
- errorfc(fc, "DAX unsupported by block device. Turning off DAX.");
- clear_opt(&sbi->opt, DAX_ALWAYS);
+ if (test_opt(&sbi->opt, DAX_ALWAYS)) {
+ BUILD_BUG_ON(EROFS_BLKSIZ != PAGE_SIZE);
+
+ if (!sbi->dax_dev) {
+ errorfc(fc, "DAX unsupported by block device. Turning off DAX.");
+ clear_opt(&sbi->opt, DAX_ALWAYS);
+ }
}
sb->s_flags |= SB_RDONLY | SB_NOATIME;
sb->s_maxbytes = MAX_LFS_FILESIZE;