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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/ext2
parent679a99495b8fda800037b25af8cd990eb7dd72c9 (diff)
downloadlwn-7b0800d00dae8c897398abaf61e82db0d67d7afc.tar.gz
lwn-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 'fs/ext2')
-rw-r--r--fs/ext2/super.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index d8d580b609ba..a964066a80aa 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -946,11 +946,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
if (test_opt(sb, DAX)) {
- if (!dax_supported(dax_dev, sb->s_bdev, blocksize, 0,
- bdev_nr_sectors(sb->s_bdev))) {
+ if (!dax_dev) {
ext2_msg(sb, KERN_ERR,
"DAX unsupported by block device. Turning off DAX.");
clear_opt(sbi->s_mount_opt, DAX);
+ } else if (blocksize != PAGE_SIZE) {
+ ext2_msg(sb, KERN_ERR, "unsupported blocksize for DAX\n");
+ clear_opt(sbi->s_mount_opt, DAX);
}
}