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authorSteven Whitehouse <swhiteho@redhat.com>2007-10-15 16:29:05 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2008-01-25 08:07:16 +0000
commitf91a0d3e24e4b0198be5fae20d45a35c40d1efce (patch)
treecda8095f9befd25cbfaf5f63a4c8ca26870d45ca /fs/gfs2/incore.h
parent3cc3f710ce0effe397b830826a1a081fa81f11c7 (diff)
downloadop-kernel-dev-f91a0d3e24e4b0198be5fae20d45a35c40d1efce.zip
op-kernel-dev-f91a0d3e24e4b0198be5fae20d45a35c40d1efce.tar.gz
[GFS2] Remove useless i_cache from inodes
The i_cache was designed to keep references to the indirect blocks used during block mapping so that they didn't have to be looked up continually. The idea failed because there are too many places where the i_cache needs to be freed, and this has in the past been the cause of many bugs. In addition there was no performance benefit being gained since the disk blocks in question were cached anyway. So this patch removes it in order to simplify the code to prepare for other changes which would otherwise have had to add further support for this feature. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 55c72f0..5662ff9 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -275,8 +275,6 @@ struct gfs2_inode {
spinlock_t i_spin;
struct rw_semaphore i_rw_mutex;
unsigned long i_last_pfault;
-
- struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT];
};
/*
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