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authorKirill Korotaev <dev@openvz.org>2006-03-25 12:07:45 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-25 17:22:56 +0100
commit2ab13460852e65c2ec0e77000baba5e859a6a2cf (patch)
tree566f37cc9f4cb593c3f85a7eb4ae46b308b8a6dd /fs/dcache.c
parent[PATCH] Move cond_resched() after iput() in sync_sb_inodes() (diff)
downloadlinux-2ab13460852e65c2ec0e77000baba5e859a6a2cf.tar.xz
linux-2ab13460852e65c2ec0e77000baba5e859a6a2cf.zip
[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>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 0f7ec12d65ff..939584648504 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -489,6 +489,7 @@ repeat:
continue;
}
prune_one_dentry(dentry);
+ cond_resched_lock(&dcache_lock);
goto repeat;
}
spin_unlock(&dcache_lock);