diff options
| author | NeilBrown <[email protected]> | 2014-08-08 14:19:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-08-08 15:57:19 -0700 |
| commit | 668128e90b9596668141539326178dacc42af188 (patch) | |
| tree | d68268b71a156f2ed76999384e46d3dc36236975 /lib/mpi/mpiutil.c | |
| parent | c312442fe3ce9561137910db35ad1409d67dbac6 (diff) | |
autofs4: don't take spinlock when not needed in autofs4_lookup_expiring
If the expiring_list is empty, we can avoid a costly spinlock in the
rcu-walk path through autofs4_d_manage (once the rest of the path
becomes rcu-walk friendly).
Signed-off-by: NeilBrown <[email protected]>
Reviewed-by: Ian Kent <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/mpi/mpiutil.c')
0 files changed, 0 insertions, 0 deletions