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authorSteven Whitehouse <swhiteho@redhat.com>2007-10-15 11:29:05 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2008-01-25 03:07:16 -0500
commitf91a0d3e24e4b0198be5fae20d45a35c40d1efce (patch)
treecda8095f9befd25cbfaf5f63a4c8ca26870d45ca /fs/gfs2/meta_io.h
parent3cc3f710ce0effe397b830826a1a081fa81f11c7 (diff)
[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/meta_io.h')
-rw-r--r--fs/gfs2/meta_io.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index b7048222ebb4..73e3b1c76fe1 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -56,7 +56,6 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr,
56 56
57void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen); 57void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
58 58
59void gfs2_meta_cache_flush(struct gfs2_inode *ip);
60int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num, 59int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num,
61 int new, struct buffer_head **bhp); 60 int new, struct buffer_head **bhp);
62 61