Displaying 2 results from an estimated 2 matches for "ext4_dax_vm_op".
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ext4_dax_vm_ops
2019 Apr 03
0
[PATCH v4 4/5] ext4: disable map_sync for async flush
...ous mappings with DAX files if
+ * dax_device is not synchronous.
+ */
+ if (IS_DAX(file_inode(file)) && !dax_synchronous(dax_dev)
+ && (vma->vm_flags & VM_SYNC))
+ return -EOPNOTSUPP;
+
file_accessed(file);
if (IS_DAX(file_inode(file))) {
vma->vm_ops = &ext4_dax_vm_ops;
--
2.20.1
2019 Apr 03
8
[PATCH v4 0/5] virtio pmem driver
This patch series has implementation for "virtio pmem".
"virtio pmem" is fake persistent memory(nvdimm) in guest
which allows to bypass the guest page cache. This also
implements a VIRTIO based asynchronous flush mechanism.
Sharing guest kernel driver in this patchset with the
changes suggested in v3. Tested with Qemu side device
emulation [6] for virtio-pmem.