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authorChristoph Hellwig <hch@lst.de>2021-11-29 11:21:36 +0100
committerDan Williams <dan.j.williams@intel.com>2021-12-04 08:58:50 -0800
commit5d2a228b9e1319ff188f9ea89006fbe575561921 (patch)
tree5008bb2a1ce20f5f1b3e0ef9e7c802a9f8ad37fd /drivers/md
parentd751939235b9b7bc4af15f90a3e99288a8b844a7 (diff)
dm: make the DAX support depend on CONFIG_FS_DAX
The device mapper DAX support is all hanging off a block device and thus can't be used with device dax. Make it depend on CONFIG_FS_DAX instead of CONFIG_DAX_DRIVER. This also means that bdev_dax_pgoff only needs to be built under CONFIG_FS_DAX now. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Mike Snitzer <snitzer@redhat.com> Link: https://lore.kernel.org/r/20211129102203.2243509-3-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-linear.c2
-rw-r--r--drivers/md/dm-log-writes.c2
-rw-r--r--drivers/md/dm-stripe.c2
-rw-r--r--drivers/md/dm-writecache.c2
-rw-r--r--drivers/md/dm.c2
5 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 66ba16713f69..0a260c35aeee 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -162,7 +162,7 @@ static int linear_iterate_devices(struct dm_target *ti,
return fn(ti, lc->dev, lc->start, ti->len, data);
}
-#if IS_ENABLED(CONFIG_DAX_DRIVER)
+#if IS_ENABLED(CONFIG_FS_DAX)
static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
long nr_pages, void **kaddr, pfn_t *pfn)
{
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c
index 0b3ef977ceeb..3155875d4e5b 100644
--- a/drivers/md/dm-log-writes.c
+++ b/drivers/md/dm-log-writes.c
@@ -901,7 +901,7 @@ static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limit
limits->io_min = limits->physical_block_size;
}
-#if IS_ENABLED(CONFIG_DAX_DRIVER)
+#if IS_ENABLED(CONFIG_FS_DAX)
static int log_dax(struct log_writes_c *lc, sector_t sector, size_t bytes,
struct iov_iter *i)
{
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 6660b6b53d5b..f08460722029 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -300,7 +300,7 @@ static int stripe_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_REMAPPED;
}
-#if IS_ENABLED(CONFIG_DAX_DRIVER)
+#if IS_ENABLED(CONFIG_FS_DAX)
static long stripe_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
long nr_pages, void **kaddr, pfn_t *pfn)
{
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 4b8991cde223..4f31591d2d25 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -38,7 +38,7 @@
#define BITMAP_GRANULARITY PAGE_SIZE
#endif
-#if IS_ENABLED(CONFIG_ARCH_HAS_PMEM_API) && IS_ENABLED(CONFIG_DAX_DRIVER)
+#if IS_ENABLED(CONFIG_ARCH_HAS_PMEM_API) && IS_ENABLED(CONFIG_FS_DAX)
#define DM_WRITECACHE_HAS_PMEM
#endif
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index acc84dc1bded..b93fcc91176e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1783,7 +1783,7 @@ static struct mapped_device *alloc_dev(int minor)
md->disk->private_data = md;
sprintf(md->disk->disk_name, "dm-%d", minor);
- if (IS_ENABLED(CONFIG_DAX_DRIVER)) {
+ if (IS_ENABLED(CONFIG_FS_DAX)) {
md->dax_dev = alloc_dax(md, md->disk->disk_name,
&dm_dax_ops, 0);
if (IS_ERR(md->dax_dev)) {