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Commit d3446eac authored by Barry Naujok's avatar Barry Naujok Committed by Nathan Scott
Browse files

[XFS] Add degframentation exclusion support 



SGI-PV: 953061
SGI-Modid: xfs-linux-melb:xfs-kern:25986a

Signed-off-by: default avatarBarry Naujok <bnaujok@sgi.com>
Signed-off-by: default avatarNathan Scott <nathans@sgi.com>
parent fbc1462b

fs/xfs/linux-2.6/xfs_globals.c

+1 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ xfs_param_t xfs_params = { 
	.xfs_buf_age	= {	1*100,		15*100,		7200*100},

	.inherit_nosym	= {	0,		0,		1	},

	.rotorstep	= {	1,		1,		255	},

	.inherit_nodfrg	= {	0,		1,		1	},

};



/*

fs/xfs/linux-2.6/xfs_linux.h

+1 −0
Original line number Diff line number Diff line
@@ -134,6 +134,7 @@ BUFFER_FNS(PrivateStart, unwritten); 
#define xfs_buf_age_centisecs	xfs_params.xfs_buf_age.val

#define xfs_inherit_nosymlinks	xfs_params.inherit_nosym.val

#define xfs_rotorstep		xfs_params.rotorstep.val

#define xfs_inherit_nodefrag	xfs_params.inherit_nodfrg.val



#ifndef raw_smp_processor_id

#define raw_smp_processor_id()	smp_processor_id()

fs/xfs/linux-2.6/xfs_sysctl.c

+5 −0
Original line number Diff line number Diff line
@@ -120,6 +120,11 @@ STATIC ctl_table xfs_table[] = { 
	&sysctl_intvec, NULL,

	&xfs_params.rotorstep.min, &xfs_params.rotorstep.max},



	{XFS_INHERIT_NODFRG, "inherit_nodefrag", &xfs_params.inherit_nodfrg.val,

	sizeof(int), 0644, NULL, &proc_dointvec_minmax,

	&sysctl_intvec, NULL,

	&xfs_params.inherit_nodfrg.min, &xfs_params.inherit_nodfrg.max},



	/* please keep this the last entry */

#ifdef CONFIG_PROC_FS

	{XFS_STATS_CLEAR, "stats_clear", &xfs_params.stats_clear.val,

fs/xfs/linux-2.6/xfs_sysctl.h

+2 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ typedef struct xfs_param { 
	xfs_sysctl_val_t xfs_buf_age;	/* Metadata buffer age before flush. */

	xfs_sysctl_val_t inherit_nosym;	/* Inherit the "nosymlinks" flag. */

	xfs_sysctl_val_t rotorstep;	/* inode32 AG rotoring control knob */

	xfs_sysctl_val_t inherit_nodfrg;/* Inherit the "nodefrag" inode flag. */

} xfs_param_t;



/*
@@ -84,6 +85,7 @@ enum { 
	/* XFS_IO_BYPASS = 18 */

	XFS_INHERIT_NOSYM = 19,

	XFS_ROTORSTEP = 20,

	XFS_INHERIT_NODFRG = 21,

};



extern xfs_param_t	xfs_params;

fs/xfs/xfs_dinode.h

+3 −1
Original line number Diff line number Diff line
@@ -257,6 +257,7 @@ typedef enum xfs_dinode_fmt 
#define XFS_DIFLAG_NOSYMLINKS_BIT   10	/* disallow symlink creation */

#define XFS_DIFLAG_EXTSIZE_BIT      11	/* inode extent size allocator hint */

#define XFS_DIFLAG_EXTSZINHERIT_BIT 12	/* inherit inode extent size */

#define XFS_DIFLAG_NODEFRAG_BIT     13	/* do not reorganize/defragment */

#define XFS_DIFLAG_REALTIME      (1 << XFS_DIFLAG_REALTIME_BIT)

#define XFS_DIFLAG_PREALLOC      (1 << XFS_DIFLAG_PREALLOC_BIT)

#define XFS_DIFLAG_NEWRTBM       (1 << XFS_DIFLAG_NEWRTBM_BIT)
@@ -270,12 +271,13 @@ typedef enum xfs_dinode_fmt 
#define XFS_DIFLAG_NOSYMLINKS    (1 << XFS_DIFLAG_NOSYMLINKS_BIT)

#define XFS_DIFLAG_EXTSIZE       (1 << XFS_DIFLAG_EXTSIZE_BIT)

#define XFS_DIFLAG_EXTSZINHERIT  (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)

#define XFS_DIFLAG_NODEFRAG      (1 << XFS_DIFLAG_NODEFRAG_BIT)



#define XFS_DIFLAG_ANY \

	(XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \

	 XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \

	 XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \

	 XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \

	 XFS_DIFLAG_EXTSZINHERIT)

	 XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG)



#endif	/* __XFS_DINODE_H__ */