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| author | NeilBrown <neilb@suse.de> | 2014-08-08 23:19:54 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-09 00:57:19 +0200 |
| commit | 668128e90b9596668141539326178dacc42af188 (patch) | |
| tree | d68268b71a156f2ed76999384e46d3dc36236975 /fs/autofs4/autofs_i.h | |
| parent | autofs4: remove a redundant assignment (diff) | |
| download | linux-668128e90b9596668141539326178dacc42af188.tar.xz linux-668128e90b9596668141539326178dacc42af188.zip | |
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 <neilb@suse.de>
Reviewed-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/autofs4/autofs_i.h')
0 files changed, 0 insertions, 0 deletions