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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 17:58:51 +0100
commit7b0800d00dae8c897398abaf61e82db0d67d7afc (patch)
tree1d24e8995f2a54b0037b9c911c0bc9293ea6f102 /fs/ext4
parentxfs: factor out a xfs_setup_dax_always helper (diff)
downloadlinux-7b0800d00dae8c897398abaf61e82db0d67d7afc.tar.xz
linux-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/ext4')
-rw-r--r--fs/ext4/super.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4e33b5eca694..fd3d68f10ee5 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -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)) {