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author | Pankaj Gupta <pagupta@redhat.com> | 2019-07-05 19:33:27 +0530 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2019-07-05 15:19:10 -0700 |
commit | e46bfc3f03d7894c0eb47c7d754c38bafe39e197 (patch) | |
tree | 5a90c4400c9c87a22f25189160ef503e5c5d609d /fs/xfs/xfs_file.c | |
parent | 32de1484648a837db5dea0a7007fe7136804e392 (diff) | |
download | lwn-e46bfc3f03d7894c0eb47c7d754c38bafe39e197.tar.gz lwn-e46bfc3f03d7894c0eb47c7d754c38bafe39e197.zip |
ext4: disable map_sync for async flush
Dont support 'MAP_SYNC' with non-DAX files and DAX files
with asynchronous dax_device. Virtio pmem provides
asynchronous host page cache flush mechanism. We don't
support 'MAP_SYNC' with virtio pmem and ext4.
Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs/xfs/xfs_file.c')
0 files changed, 0 insertions, 0 deletions