summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--block/Kconfig13
-rw-r--r--fs/block_dev.c6
2 files changed, 1 insertions, 18 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 0363cd731320d..161491d0a879e 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -88,19 +88,6 @@ config BLK_DEV_INTEGRITY
T10/SCSI Data Integrity Field or the T13/ATA External Path
Protection. If in doubt, say N.
-config BLK_DEV_DAX
- bool "Block device DAX support"
- depends on FS_DAX
- depends on BROKEN
- help
- When DAX support is available (CONFIG_FS_DAX) raw block
- devices can also support direct userspace access to the
- storage capacity via MMAP(2) similar to a file on a
- DAX-enabled filesystem. However, the DAX I/O-path disables
- some standard I/O-statistics, and the MMAP(2) path has some
- operational differences due to bypassing the page
- cache. If in doubt, say N.
-
config BLK_DEV_THROTTLING
bool "Block layer bio throttling support"
depends on BLK_CGROUP=y
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ada42cf42d066..2033a3f91d58a 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1275,11 +1275,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
bdev->bd_disk = disk;
bdev->bd_queue = disk->queue;
bdev->bd_contains = bdev;
- if (IS_ENABLED(CONFIG_BLK_DEV_DAX) &&
- blk_queue_dax(disk->queue))
- bdev->bd_inode->i_flags = S_DAX;
- else
- bdev->bd_inode->i_flags = 0;
+ bdev->bd_inode->i_flags = 0;
if (!partno) {
ret = -ENXIO;