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| author |   Pankaj Gupta <pagupta@redhat.com> | 2019-07-05 19:33:24 +0530 |
|---|---|---|
| committer |   Dan Williams <dan.j.williams@intel.com> | 2019-07-05 15:19:10 -0700 |
| commit | fefc1d97fa4b5e016bbe15447dc3edcd9e1bcb9f (patch) | |
| tree | f18d110c2fdc771ca69ea6a83399f0c13f758664 /drivers/dax/bus.c | |
| parent | virtio-pmem: Add virtio pmem driver (diff) | |
| download | linux-dev-fefc1d97fa4b5e016bbe15447dc3edcd9e1bcb9f.tar.xz linux-dev-fefc1d97fa4b5e016bbe15447dc3edcd9e1bcb9f.zip | |
libnvdimm: add dax_dev sync flag
This patch adds 'DAXDEV_SYNC' flag which is set
for nd_region doing synchronous flush. This later
is used to disable MAP_SYNC functionality for
ext4 & xfs filesystem for devices don't support
synchronous flush.
Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax/bus.c')
| -rw-r--r-- | drivers/dax/bus.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 2109cfe80219..5f184e751c82 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -388,7 +388,7 @@ struct dev_dax *__devm_create_dev_dax(struct dax_region *dax_region, int id, * No 'host' or dax_operations since there is no access to this * device outside of mmap of the resulting character device. */ - dax_dev = alloc_dax(dev_dax, NULL, NULL); + dax_dev = alloc_dax(dev_dax, NULL, NULL, DAXDEV_F_SYNC); if (!dax_dev) goto err; |