diff options
| author | Dan Williams <[email protected]> | 2017-08-30 09:43:34 -0700 |
|---|---|---|
| committer | Dan Williams <[email protected]> | 2017-08-31 09:33:30 -0700 |
| commit | 8cf037a8b22f71c6659bd0246bfaba9e79766f64 (patch) | |
| tree | 29488639a0421bfd6316beb79131630d43039009 /lib/memory-notifier-error-inject.c | |
| parent | 486aff5e04823bb1e60c4045226eb244024b8420 (diff) | |
ext2: 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.
Cc: "Theodore Ts'o" <[email protected]>
Cc: Andreas Dilger <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Reported-by: Christoph Hellwig <[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