From c11e2c369d06576c9e4a900a975cbfab5e7e3c53 Mon Sep 17 00:00:00 2001 From: Nathan Scott Date: Wed, 2 Nov 2005 15:11:45 +1100 Subject: [PATCH] [XFS] Rework fid encode/decode wrt 64 bit inums interacting with NFS. SGI-PV: 937127 SGI-Modid: xfs-linux:xfs-kern:24201a Signed-off-by: Nathan Scott --- fs/xfs/linux-2.6/xfs_export.c | 3 +-- fs/xfs/linux-2.6/xfs_vfs.h | 1 + fs/xfs/xfs_fsops.c | 2 +- fs/xfs/xfs_mount.c | 9 ++++++--- fs/xfs/xfs_mount.h | 5 +++-- fs/xfs/xfs_vfsops.c | 11 +++++++---- 6 files changed, 19 insertions(+), 12 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index 3e97076..80eb249 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -96,9 +96,8 @@ linvfs_encode_fh( int is64 = 0; #if XFS_BIG_INUMS vfs_t *vfs = LINVFS_GET_VFS(inode->i_sb); - xfs_mount_t *mp = XFS_VFSTOM(vfs); - if (!(mp->m_flags & XFS_MOUNT_32BITINOOPT)) { + if (!(vfs->vfs_flag & VFS_32BITINODES)) { /* filesystem may contain 64bit inode numbers */ is64 = XFS_FILEID_TYPE_64FLAG; } diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index d5fb28f..57caf9e 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -81,6 +81,7 @@ typedef enum { #define VFS_RDONLY 0x0001 /* read-only vfs */ #define VFS_GRPID 0x0002 /* group-ID assigned from directory */ #define VFS_DMI 0x0004 /* filesystem has the DMI enabled */ +#define VFS_32BITINODES 0x0008 /* do not use inums above 32 bits */ #define VFS_END 0x0008 /* max flag */ #define SYNC_ATTR 0x0001 /* sync attributes */ diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 0ca597b..7ceabd0 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -171,7 +171,7 @@ xfs_growfs_data_private( memset(&mp->m_perag[oagcount], 0, (nagcount - oagcount) * sizeof(xfs_perag_t)); mp->m_flags |= XFS_MOUNT_32BITINODES; - nagimax = xfs_initialize_perag(mp, nagcount); + nagimax = xfs_initialize_perag(XFS_MTOVFS(mp), mp, nagcount); up_write(&mp->m_peraglock); } tp = xfs_trans_alloc(mp, XFS_TRANS_GROWFS); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 9e861d0..02b1892 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -316,7 +316,10 @@ xfs_mount_validate_sb( } xfs_agnumber_t -xfs_initialize_perag(xfs_mount_t *mp, xfs_agnumber_t agcount) +xfs_initialize_perag( + struct vfs *vfs, + xfs_mount_t *mp, + xfs_agnumber_t agcount) { xfs_agnumber_t index, max_metadata; xfs_perag_t *pag; @@ -332,7 +335,7 @@ xfs_initialize_perag(xfs_mount_t *mp, xfs_agnumber_t agcount) /* Clear the mount flag if no inode can overflow 32 bits * on this filesystem, or if specifically requested.. */ - if ((mp->m_flags & XFS_MOUNT_32BITINOOPT) && ino > max_inum) { + if ((vfs->vfs_flag & VFS_32BITINODES) && ino > max_inum) { mp->m_flags |= XFS_MOUNT_32BITINODES; } else { mp->m_flags &= ~XFS_MOUNT_32BITINODES; @@ -944,7 +947,7 @@ xfs_mountfs( mp->m_perag = kmem_zalloc(sbp->sb_agcount * sizeof(xfs_perag_t), KM_SLEEP); - mp->m_maxagi = xfs_initialize_perag(mp, sbp->sb_agcount); + mp->m_maxagi = xfs_initialize_perag(vfsp, mp, sbp->sb_agcount); /* * log's mount-time initialization. Perform 1st part recovery if needed diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index f724a2b..08b2e0a 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -402,7 +402,7 @@ typedef struct xfs_mount { /* osyncisdsync is now default*/ #define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above * 32 bits in size */ -#define XFS_MOUNT_32BITINOOPT (1ULL << 15) /* saved mount option state */ + /* (1ULL << 15) -- currently unused */ #define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */ #define XFS_MOUNT_BARRIER (1ULL << 17) #define XFS_MOUNT_IDELETE (1ULL << 18) /* delete empty inode clusters*/ @@ -557,7 +557,8 @@ extern void xfs_freesb(xfs_mount_t *); extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int); extern int xfs_syncsub(xfs_mount_t *, int, int, int *); extern int xfs_sync_inodes(xfs_mount_t *, int, int, int *); -extern xfs_agnumber_t xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t); +extern xfs_agnumber_t xfs_initialize_perag(struct vfs *, xfs_mount_t *, + xfs_agnumber_t); extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t); extern struct xfs_dmops xfs_dmcore_stub; diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index f4f8805..dd419e1 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -269,7 +269,7 @@ xfs_start_flags( if (ap->flags & XFSMNT_OSYNCISOSYNC) mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC; if (ap->flags & XFSMNT_32BITINODES) - mp->m_flags |= (XFS_MOUNT_32BITINODES | XFS_MOUNT_32BITINOOPT); + mp->m_flags |= XFS_MOUNT_32BITINODES; if (ap->flags & XFSMNT_IOSIZE) { if (ap->iosizelog > XFS_MAX_IO_LOG || @@ -1868,6 +1868,9 @@ printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n"); args->sunit = args->swidth = 0; } + if (args->flags & XFSMNT_32BITINODES) + vfsp->vfs_flag |= VFS_32BITINODES; + if (args->flags2) args->flags |= XFSMNT_FLAGS2; return 0; @@ -1929,15 +1932,15 @@ xfs_showargs( seq_printf(m, "," MNTOPT_SWIDTH "=%d", (int)XFS_FSB_TO_BB(mp, mp->m_swidth)); - if (!(mp->m_flags & XFS_MOUNT_32BITINOOPT)) - seq_printf(m, "," MNTOPT_64BITINODE); - if (!(mp->m_flags & XFS_MOUNT_COMPAT_ATTR)) seq_printf(m, "," MNTOPT_ATTR2); if (!(mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE)) seq_printf(m, "," MNTOPT_LARGEIO); + if (!(vfsp->vfs_flag & VFS_32BITINODES)) + seq_printf(m, "," MNTOPT_64BITINODE); + if (vfsp->vfs_flag & VFS_GRPID) seq_printf(m, "," MNTOPT_GRPID); -- 2.7.4