diff options
| 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 /include/linux/libnvdimm.h | |
| 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 'include/linux/libnvdimm.h')
| -rw-r--r-- | include/linux/libnvdimm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index e13100f424c8..7a64b3ddb408 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -263,6 +263,7 @@ int generic_nvdimm_flush(struct nd_region *nd_region); int nvdimm_has_flush(struct nd_region *nd_region); int nvdimm_has_cache(struct nd_region *nd_region); int nvdimm_in_overwrite(struct nvdimm *nvdimm); +bool is_nvdimm_sync(struct nd_region *nd_region); static inline int nvdimm_ctl(struct nvdimm *nvdimm, unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc) |