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Commit 4e70af56 authored by Richard Kennedy's avatar Richard Kennedy Committed by Al Viro
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fs: inode - remove 8 bytes of padding on 64bits allowing 1 more objects/slab under slub 



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: default avatarRichard Kennedy <richard@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
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 7fee4868

include/linux/fs.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -729,6 +729,7 @@ struct inode { 
	uid_t			i_uid;

	uid_t			i_uid;

	gid_t			i_gid;

	gid_t			i_gid;

	dev_t			i_rdev;

	dev_t			i_rdev;

	unsigned int		i_blkbits;

	u64			i_version;

	u64			i_version;

	loff_t			i_size;

	loff_t			i_size;

#ifdef __NEED_I_SIZE_ORDERED

#ifdef __NEED_I_SIZE_ORDERED
@@ -738,7 +739,6 @@ struct inode { 
	struct timespec		i_mtime;

	struct timespec		i_mtime;

	struct timespec		i_ctime;

	struct timespec		i_ctime;

	blkcnt_t		i_blocks;

	blkcnt_t		i_blocks;

	unsigned int		i_blkbits;

	unsigned short          i_bytes;

	unsigned short          i_bytes;

	umode_t			i_mode;

	umode_t			i_mode;

	spinlock_t		i_lock;	/* i_blocks, i_bytes, maybe i_size */

	spinlock_t		i_lock;	/* i_blocks, i_bytes, maybe i_size */