From: Alex Tomas <alex@clusterfs.com>
Date: Fri, 24 Mar 2006 11:16:16 +0000 (-0800)
Subject: [PATCH] fast ext3_statfs
X-Git-Tag: v2.6.17-rc1~914
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09fe316a7b10219be592118626850e1dfdfcc1aa;p=pandora-kernel.git

[PATCH] fast ext3_statfs

Under I/O load it may take up to a dozen seconds to read all group
descriptors.  This is what ext3_statfs() does.  At the same time, we already
maintain global numbers of free inodes/blocks.  Why don't we use them instead
of group reading and summing?

Cc: Ravikiran G Thirumalai <kiran@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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