From: Barry Naujok Date: Fri, 9 Jun 2006 04:54:19 +0000 (+1000) Subject: [XFS] Add degframentation exclusion support X-Git-Tag: v2.6.18-rc1~858^2~8^2~35 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3446eac3f50dade2f09ed212b112609ee78fb33;p=linux-2.6 [XFS] Add degframentation exclusion support SGI-PV: 953061 SGI-Modid: xfs-linux-melb:xfs-kern:25986a Signed-off-by: Barry Naujok Signed-off-by: Nathan Scott --- diff --git a/fs/xfs/linux-2.6/xfs_globals.c b/fs/xfs/linux-2.6/xfs_globals.c index 6e8085f346..6c162c3dde 100644 --- a/fs/xfs/linux-2.6/xfs_globals.c +++ b/fs/xfs/linux-2.6/xfs_globals.c @@ -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 }, }; /* diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index e9fe43d747..7d15cb9102 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -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() diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c index 7079cc8372..4af97682be 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.c +++ b/fs/xfs/linux-2.6/xfs_sysctl.c @@ -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, diff --git a/fs/xfs/linux-2.6/xfs_sysctl.h b/fs/xfs/linux-2.6/xfs_sysctl.h index bc8c11f137..a631fb8cc5 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.h +++ b/fs/xfs/linux-2.6/xfs_sysctl.h @@ -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; diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h index 79d0d9e1fb..77d5377825 100644 --- a/fs/xfs/xfs_dinode.h +++ b/fs/xfs/xfs_dinode.h @@ -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__ */ diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index df66f3a59f..0f0ad15359 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -67,6 +67,7 @@ struct fsxattr { #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */ #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ +#define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ /* diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index f528445344..083fc0479e 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -812,6 +812,8 @@ _xfs_dic2xflags( flags |= XFS_XFLAG_EXTSIZE; if (di_flags & XFS_DIFLAG_EXTSZINHERIT) flags |= XFS_XFLAG_EXTSZINHERIT; + if (di_flags & XFS_DIFLAG_NODEFRAG) + flags |= XFS_XFLAG_NODEFRAG; } return flags; @@ -1221,6 +1223,9 @@ xfs_ialloc( di_flags |= XFS_DIFLAG_NOSYMLINKS; if (pip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) di_flags |= XFS_DIFLAG_PROJINHERIT; + if ((pip->i_d.di_flags & XFS_DIFLAG_NODEFRAG) && + xfs_inherit_nodefrag) + di_flags |= XFS_DIFLAG_NODEFRAG; ip->i_d.di_flags |= di_flags; } /* FALLTHROUGH */ diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 2b814f0417..d1c6349e40 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -799,6 +799,8 @@ xfs_setattr( di_flags |= XFS_DIFLAG_NODUMP; if (vap->va_xflags & XFS_XFLAG_PROJINHERIT) di_flags |= XFS_DIFLAG_PROJINHERIT; + if (vap->va_xflags & XFS_XFLAG_NODEFRAG) + di_flags |= XFS_DIFLAG_NODEFRAG; if ((ip->i_d.di_mode & S_IFMT) == S_IFDIR) { if (vap->va_xflags & XFS_XFLAG_RTINHERIT) di_flags |= XFS_DIFLAG_RTINHERIT;