diff options
| author | Dan Williams <[email protected]> | 2017-08-24 15:12:50 -0700 |
|---|---|---|
| committer | Dan Williams <[email protected]> | 2017-08-31 09:31:47 -0700 |
| commit | 486aff5e04823bb1e60c4045226eb244024b8420 (patch) | |
| tree | c0cc960b998086e92873d918f203a5e737e97db6 /lib/memory-notifier-error-inject.c | |
| parent | 78f35473508118df5ea04b9515ac3f1aaec0a980 (diff) | |
xfs: perform dax_device lookup at mount
The ->iomap_begin() operation is a hot path, so cache the
fs_dax_get_by_host() result at mount time to avoid the incurring the
hash lookup overhead on a per-i/o basis.
Reported-by: Christoph Hellwig <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions