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From: Richard Kennedy on 15 Feb 2010 06:20
This removes 8 bytes of padding from struct inode on 64bit builds, and
so allows 1 more object/slab in the inode_cache when using slub.

Signed-off-by: Richard Kennedy <richard(a)rsk.demon.co.uk>
----
patch against 2.6.33-rc8
compiled & tested on x86_64 AMDX2

I've been running this patch for over a week with no obvious problems
regards
Richard


diff --git a/include/linux/fs.h b/include/linux/fs.h
index b1bcb27..ebb1cd5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -729,6 +729,7 @@ struct inode {
uid_t i_uid;
gid_t i_gid;
dev_t i_rdev;
+ unsigned int i_blkbits;
u64 i_version;
loff_t i_size;
#ifdef __NEED_I_SIZE_ORDERED
@@ -738,7 +739,6 @@ struct inode {
struct timespec i_mtime;
struct timespec i_ctime;
blkcnt_t i_blocks;
- unsigned int i_blkbits;
unsigned short i_bytes;
umode_t i_mode;
spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */


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