tree 33bfa04388cecfc50dda596302c3a5c91d0e2b64
parent eccb95cee4f0d56faa46ef22fb94dd4a3578d3eb
author Jan Kara <jack@suse.cz> 1209455979 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1209481565 -0700

vfs: skip inodes without pages to free in drop_pagecache_sb()

Many inodes have no pagecache, so we can avoid lots of lock-takings.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Fengguang Wu <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>