tree 1b5c9507f5622fbf1affe4fc4e07ed0b60c3413e
parent e23739b4ade80a3a7f87198f008f6c44a7cbc9fd
author Mikulas Patocka <mpatocka@redhat.com> 1354075192 -0500
committer Linus Torvalds <torvalds@linux-foundation.org> 1354116830 -0800

percpu-rwsem: use synchronize_sched_expedited

Use synchronize_sched_expedited() instead of synchronize_sched()
to improve mount speed.

This patch improves mount time from 0.500s to 0.013s for Jeff's
test-case.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>