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Revision 1.3, Fri Oct 1 15:10:15 2004 UTC (13 years ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +7 -7 lines

Upgrade kernel to 2.6.9-rc3 and kdb to 4.4
Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd.

#ifndef __SHMEM_FS_H
#define __SHMEM_FS_H

#include <linux/swap.h>
#include <linux/mempolicy.h>

/* inode in-kernel data */

#define SHMEM_NR_DIRECT 16

struct shmem_inode_info {
	spinlock_t		lock;
	unsigned long		flags;
	unsigned long		alloced;	/* data pages alloced to file */
	unsigned long		swapped;	/* subtotal assigned to swap */
	unsigned long		next_index;	/* highest alloced index + 1 */
	struct shared_policy	policy;		/* NUMA memory alloc policy */
	struct page		*i_indirect;	/* top indirect blocks page */
	swp_entry_t		i_direct[SHMEM_NR_DIRECT]; /* first blocks */
	struct list_head	swaplist;	/* chain of maybes on swap */
	struct inode		vfs_inode;
};

struct shmem_sb_info {
	unsigned long max_blocks;   /* How many blocks are allowed */
	unsigned long free_blocks;  /* How many are left for allocation */
	unsigned long max_inodes;   /* How many inodes are allowed */
	unsigned long free_inodes;  /* How many are left for allocation */
	spinlock_t    stat_lock;
};

static inline struct shmem_inode_info *SHMEM_I(struct inode *inode)
{
	return container_of(inode, struct shmem_inode_info, vfs_inode);
}

#endif