Commit 2ab13460 authored by Kirill Korotaev's avatar Kirill Korotaev Committed by Linus Torvalds

[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: default avatarDenis Lunev <den@sw.ru>
Signed-off-by: default avatarPavel Emelianov <xemul@sw.ru>
Signed-off-by: default avatarKirill Korotaev <dev@openvz.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 4ffc8444
......@@ -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);
......
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