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author | Toshi Kani <toshi.kani@hpe.com> | 2017-06-12 16:25:11 -0600 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2017-06-15 14:31:41 -0700 |
commit | 975750a98c26769fe54785579f4b26c961a7a6f4 (patch) | |
tree | 4bc4f280ad9ff7132a9a5978c5c676ab31d6c2be /drivers/nvdimm/bus.c | |
parent | a117699c6c4a4b1b4e90ed51e393590986567cb4 (diff) | |
download | op-kernel-dev-975750a98c26769fe54785579f4b26c961a7a6f4.zip op-kernel-dev-975750a98c26769fe54785579f4b26c961a7a6f4.tar.gz |
libnvdimm, pmem: Add sysfs notifications to badblocks
Sysfs "badblocks" information may be updated during run-time that:
- MCE, SCI, and sysfs "scrub" may add new bad blocks
- Writes and ioctl() may clear bad blocks
Add support to send sysfs notifications to sysfs "badblocks" file
under region and pmem directories when their badblocks information
is re-evaluated (but is not necessarily changed) during run-time.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Linda Knippers <linda.knippers@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/bus.c')
-rw-r--r-- | drivers/nvdimm/bus.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index e9361bf..63ce50d 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -198,6 +198,9 @@ static int nvdimm_clear_badblocks_region(struct device *dev, void *data) sector = (ctx->phys - nd_region->ndr_start) / 512; badblocks_clear(&nd_region->bb, sector, ctx->cleared / 512); + if (nd_region->bb_state) + sysfs_notify_dirent(nd_region->bb_state); + return 0; } |