Commit 2ab13460 authored Mar 25, 2006 by Kirill Korotaev Committed by Linus Torvalds Mar 25, 2006

[PATCH] Reduce sched latency in shrink_dcache_sb()



This patch reduces scheduling latency in shrink_dcache_sb() noticed during
remounting of big partitions with many cached dentries.  The same latency
fix was applied to select_parent() long ago.

Signed-off-by: Denis Lunev <den@sw.ru>
Signed-off-by: Pavel Emelianov <xemul@sw.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 4ffc8444

fs/dcache.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -489,6 +489,7 @@ void shrink_dcache_sb(struct super_block * sb)
		continue;
		}
		prune_one_dentry(dentry);
		cond_resched_lock(&dcache_lock);
		goto repeat;
		}
		spin_unlock(&dcache_lock);