diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 214 |
1 files changed, 101 insertions, 113 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index f22e426..1884300 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -59,8 +59,8 @@ #include <linux/writeback.h> #include <linux/kthread.h> -STATIC struct quotactl_ops linvfs_qops; -STATIC struct super_operations linvfs_sops; +STATIC struct quotactl_ops xfs_quotactl_operations; +STATIC struct super_operations xfs_super_operations; STATIC kmem_zone_t *xfs_vnode_zone; STATIC kmem_zone_t *xfs_ioend_zone; mempool_t *xfs_ioend_pool; @@ -76,8 +76,6 @@ xfs_args_allocate( strncpy(args->fsname, sb->s_id, MAXNAMELEN); /* Copy the already-parsed mount(2) flags we're interested in */ - if (sb->s_flags & MS_NOATIME) - args->flags |= XFSMNT_NOATIME; if (sb->s_flags & MS_DIRSYNC) args->flags |= XFSMNT_DIRSYNC; if (sb->s_flags & MS_SYNCHRONOUS) @@ -129,21 +127,21 @@ xfs_set_inodeops( { switch (inode->i_mode & S_IFMT) { case S_IFREG: - inode->i_op = &linvfs_file_inode_operations; - inode->i_fop = &linvfs_file_operations; - inode->i_mapping->a_ops = &linvfs_aops; + inode->i_op = &xfs_inode_operations; + inode->i_fop = &xfs_file_operations; + inode->i_mapping->a_ops = &xfs_address_space_operations; break; case S_IFDIR: - inode->i_op = &linvfs_dir_inode_operations; - inode->i_fop = &linvfs_dir_operations; + inode->i_op = &xfs_dir_inode_operations; + inode->i_fop = &xfs_dir_file_operations; break; case S_IFLNK: - inode->i_op = &linvfs_symlink_inode_operations; + inode->i_op = &xfs_symlink_inode_operations; if (inode->i_blocks) - inode->i_mapping->a_ops = &linvfs_aops; + inode->i_mapping->a_ops = &xfs_address_space_operations; break; default: - inode->i_op = &linvfs_file_inode_operations; + inode->i_op = &xfs_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); break; } @@ -155,7 +153,7 @@ xfs_revalidate_inode( vnode_t *vp, xfs_inode_t *ip) { - struct inode *inode = LINVFS_GET_IP(vp); + struct inode *inode = vn_to_inode(vp); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink; @@ -212,7 +210,7 @@ xfs_initialize_vnode( int unlock) { xfs_inode_t *ip = XFS_BHVTOI(inode_bhv); - struct inode *inode = LINVFS_GET_IP(vp); + struct inode *inode = vn_to_inode(vp); if (!inode_bhv->bd_vobj) { vp->v_vfsp = bhvtovfs(bdp); @@ -230,7 +228,7 @@ xfs_initialize_vnode( if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) { xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip); xfs_set_inodeops(inode); - + ip->i_flags &= ~XFS_INEW; barrier(); @@ -334,43 +332,42 @@ xfs_blkdev_issue_flush( } STATIC struct inode * -linvfs_alloc_inode( +xfs_fs_alloc_inode( struct super_block *sb) { vnode_t *vp; - vp = kmem_cache_alloc(xfs_vnode_zone, kmem_flags_convert(KM_SLEEP)); - if (!vp) + vp = kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP); + if (unlikely(!vp)) return NULL; - return LINVFS_GET_IP(vp); + return vn_to_inode(vp); } STATIC void -linvfs_destroy_inode( +xfs_fs_destroy_inode( struct inode *inode) { - kmem_zone_free(xfs_vnode_zone, LINVFS_GET_VP(inode)); + kmem_zone_free(xfs_vnode_zone, vn_from_inode(inode)); } STATIC void -linvfs_inode_init_once( - void *data, - kmem_cache_t *cachep, +xfs_fs_inode_init_once( + void *vnode, + kmem_zone_t *zonep, unsigned long flags) { - vnode_t *vp = (vnode_t *)data; - if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == - SLAB_CTOR_CONSTRUCTOR) - inode_init_once(LINVFS_GET_IP(vp)); + SLAB_CTOR_CONSTRUCTOR) + inode_init_once(vn_to_inode((vnode_t *)vnode)); } STATIC int -linvfs_init_zones(void) +xfs_init_zones(void) { - xfs_vnode_zone = kmem_cache_create("xfs_vnode", - sizeof(vnode_t), 0, SLAB_RECLAIM_ACCOUNT, - linvfs_inode_init_once, NULL); + xfs_vnode_zone = kmem_zone_init_flags(sizeof(vnode_t), "xfs_vnode_t", + KM_ZONE_HWALIGN | KM_ZONE_RECLAIM | + KM_ZONE_SPREAD, + xfs_fs_inode_init_once); if (!xfs_vnode_zone) goto out; @@ -378,15 +375,12 @@ linvfs_init_zones(void) if (!xfs_ioend_zone) goto out_destroy_vnode_zone; - xfs_ioend_pool = mempool_create(4 * MAX_BUF_PER_PAGE, - mempool_alloc_slab, mempool_free_slab, - xfs_ioend_zone); + xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE, + xfs_ioend_zone); if (!xfs_ioend_pool) goto out_free_ioend_zone; - return 0; - out_free_ioend_zone: kmem_zone_destroy(xfs_ioend_zone); out_destroy_vnode_zone: @@ -396,7 +390,7 @@ linvfs_init_zones(void) } STATIC void -linvfs_destroy_zones(void) +xfs_destroy_zones(void) { mempool_destroy(xfs_ioend_pool); kmem_zone_destroy(xfs_vnode_zone); @@ -407,14 +401,14 @@ linvfs_destroy_zones(void) * Attempt to flush the inode, this will actually fail * if the inode is pinned, but we dirty the inode again * at the point when it is unpinned after a log write, - * since this is when the inode itself becomes flushable. + * since this is when the inode itself becomes flushable. */ STATIC int -linvfs_write_inode( +xfs_fs_write_inode( struct inode *inode, int sync) { - vnode_t *vp = LINVFS_GET_VP(inode); + vnode_t *vp = vn_from_inode(inode); int error = 0, flags = FLUSH_INODE; if (vp) { @@ -434,13 +428,13 @@ linvfs_write_inode( } STATIC void -linvfs_clear_inode( +xfs_fs_clear_inode( struct inode *inode) { - vnode_t *vp = LINVFS_GET_VP(inode); + vnode_t *vp = vn_from_inode(inode); int error, cache; - vn_trace_entry(vp, "clear_inode", (inst_t *)__return_address); + vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); XFS_STATS_INC(vn_rele); XFS_STATS_INC(vn_remove); @@ -516,7 +510,7 @@ void xfs_flush_inode( xfs_inode_t *ip) { - struct inode *inode = LINVFS_GET_IP(XFS_ITOV(ip)); + struct inode *inode = vn_to_inode(XFS_ITOV(ip)); struct vfs *vfs = XFS_MTOVFS(ip->i_mount); igrab(inode); @@ -541,7 +535,7 @@ void xfs_flush_device( xfs_inode_t *ip) { - struct inode *inode = LINVFS_GET_IP(XFS_ITOV(ip)); + struct inode *inode = vn_to_inode(XFS_ITOV(ip)); struct vfs *vfs = XFS_MTOVFS(ip->i_mount); igrab(inode); @@ -550,7 +544,7 @@ xfs_flush_device( xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC); } -#define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR) +#define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR|SYNC_REFCACHE) STATIC void vfs_sync_worker( vfs_t *vfsp, @@ -613,7 +607,7 @@ xfssyncd( } STATIC int -linvfs_start_syncd( +xfs_fs_start_syncd( vfs_t *vfsp) { vfsp->vfs_sync_work.w_syncer = vfs_sync_worker; @@ -625,20 +619,20 @@ linvfs_start_syncd( } STATIC void -linvfs_stop_syncd( +xfs_fs_stop_syncd( vfs_t *vfsp) { kthread_stop(vfsp->vfs_sync_task); } STATIC void -linvfs_put_super( +xfs_fs_put_super( struct super_block *sb) { - vfs_t *vfsp = LINVFS_GET_VFS(sb); + vfs_t *vfsp = vfs_from_sb(sb); int error; - linvfs_stop_syncd(vfsp); + xfs_fs_stop_syncd(vfsp); VFS_SYNC(vfsp, SYNC_ATTR|SYNC_DELWRI, NULL, error); if (!error) VFS_UNMOUNT(vfsp, 0, NULL, error); @@ -652,10 +646,10 @@ linvfs_put_super( } STATIC void -linvfs_write_super( +xfs_fs_write_super( struct super_block *sb) { - vfs_t *vfsp = LINVFS_GET_VFS(sb); + vfs_t *vfsp = vfs_from_sb(sb); int error; if (sb->s_flags & MS_RDONLY) { @@ -668,11 +662,11 @@ linvfs_write_super( } STATIC int -linvfs_sync_super( +xfs_fs_sync_super( struct super_block *sb, int wait) { - vfs_t *vfsp = LINVFS_GET_VFS(sb); + vfs_t *vfsp = vfs_from_sb(sb); int error; int flags = SYNC_FSDATA; @@ -707,11 +701,11 @@ linvfs_sync_super( } STATIC int -linvfs_statfs( +xfs_fs_statfs( struct super_block *sb, struct kstatfs *statp) { - vfs_t *vfsp = LINVFS_GET_VFS(sb); + vfs_t *vfsp = vfs_from_sb(sb); int error; VFS_STATVFS(vfsp, statp, NULL, error); @@ -719,12 +713,12 @@ linvfs_statfs( } STATIC int -linvfs_remount( +xfs_fs_remount( struct super_block *sb, int *flags, char *options) { - vfs_t *vfsp = LINVFS_GET_VFS(sb); + vfs_t *vfsp = vfs_from_sb(sb); struct xfs_mount_args *args = xfs_args_allocate(sb); int error; @@ -736,18 +730,18 @@ linvfs_remount( } STATIC void -linvfs_freeze_fs( +xfs_fs_lockfs( struct super_block *sb) { - VFS_FREEZE(LINVFS_GET_VFS(sb)); + VFS_FREEZE(vfs_from_sb(sb)); } STATIC int -linvfs_show_options( +xfs_fs_show_options( struct seq_file *m, struct vfsmount *mnt) { - struct vfs *vfsp = LINVFS_GET_VFS(mnt->mnt_sb); + struct vfs *vfsp = vfs_from_sb(mnt->mnt_sb); int error; VFS_SHOWARGS(vfsp, m, error); @@ -755,11 +749,11 @@ linvfs_show_options( } STATIC int -linvfs_quotasync( +xfs_fs_quotasync( struct super_block *sb, int type) { - struct vfs *vfsp = LINVFS_GET_VFS(sb); + struct vfs *vfsp = vfs_from_sb(sb); int error; VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error); @@ -767,11 +761,11 @@ linvfs_quotasync( } STATIC int -linvfs_getxstate( +xfs_fs_getxstate( struct super_block *sb, struct fs_quota_stat *fqs) { - struct vfs *vfsp = LINVFS_GET_VFS(sb); + struct vfs *vfsp = vfs_from_sb(sb); int error; VFS_QUOTACTL(vfsp, Q_XGETQSTAT, 0, (caddr_t)fqs, error); @@ -779,12 +773,12 @@ linvfs_getxstate( } STATIC int -linvfs_setxstate( +xfs_fs_setxstate( struct super_block *sb, unsigned int flags, int op) { - struct vfs *vfsp = LINVFS_GET_VFS(sb); + struct vfs *vfsp = vfs_from_sb(sb); int error; VFS_QUOTACTL(vfsp, op, 0, (caddr_t)&flags, error); @@ -792,13 +786,13 @@ linvfs_setxstate( } STATIC int -linvfs_getxquota( +xfs_fs_getxquota( struct super_block *sb, int type, qid_t id, struct fs_disk_quota *fdq) { - struct vfs *vfsp = LINVFS_GET_VFS(sb); + struct vfs *vfsp = vfs_from_sb(sb); int error, getmode; getmode = (type == USRQUOTA) ? Q_XGETQUOTA : @@ -808,13 +802,13 @@ linvfs_getxquota( } STATIC int -linvfs_setxquota( +xfs_fs_setxquota( struct super_block *sb, int type, qid_t id, struct fs_disk_quota *fdq) { - struct vfs *vfsp = LINVFS_GET_VFS(sb); + struct vfs *vfsp = vfs_from_sb(sb); int error, setmode; setmode = (type == USRQUOTA) ? Q_XSETQLIM : @@ -824,21 +818,17 @@ linvfs_setxquota( } STATIC int -linvfs_fill_super( +xfs_fs_fill_super( struct super_block *sb, void *data, int silent) { vnode_t *rootvp; - struct vfs *vfsp = vfs_allocate(); + struct vfs *vfsp = vfs_allocate(sb); struct xfs_mount_args *args = xfs_args_allocate(sb); struct kstatfs statvfs; int error, error2; - vfsp->vfs_super = sb; - LINVFS_SET_VFS(sb, vfsp); - if (sb->s_flags & MS_RDONLY) - vfsp->vfs_flag |= VFS_RDONLY; bhv_insert_all_vfsops(vfsp); VFS_PARSEARGS(vfsp, (char *)data, args, 0, error); @@ -849,10 +839,10 @@ linvfs_fill_super( sb_min_blocksize(sb, BBSIZE); #ifdef CONFIG_XFS_EXPORT - sb->s_export_op = &linvfs_export_ops; + sb->s_export_op = &xfs_export_operations; #endif - sb->s_qcop = &linvfs_qops; - sb->s_op = &linvfs_sops; + sb->s_qcop = &xfs_quotactl_operations; + sb->s_op = &xfs_super_operations; VFS_MOUNT(vfsp, args, NULL, error); if (error) { @@ -876,7 +866,7 @@ linvfs_fill_super( if (error) goto fail_unmount; - sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp)); + sb->s_root = d_alloc_root(vn_to_inode(rootvp)); if (!sb->s_root) { error = ENOMEM; goto fail_vnrele; @@ -885,7 +875,7 @@ linvfs_fill_super( error = EINVAL; goto fail_vnrele; } - if ((error = linvfs_start_syncd(vfsp))) + if ((error = xfs_fs_start_syncd(vfsp))) goto fail_vnrele; vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address); @@ -910,41 +900,41 @@ fail_vfsop: } STATIC struct super_block * -linvfs_get_sb( +xfs_fs_get_sb( struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - return get_sb_bdev(fs_type, flags, dev_name, data, linvfs_fill_super); -} - -STATIC struct super_operations linvfs_sops = { - .alloc_inode = linvfs_alloc_inode, - .destroy_inode = linvfs_destroy_inode, - .write_inode = linvfs_write_inode, - .clear_inode = linvfs_clear_inode, - .put_super = linvfs_put_super, - .write_super = linvfs_write_super, - .sync_fs = linvfs_sync_super, - .write_super_lockfs = linvfs_freeze_fs, - .statfs = linvfs_statfs, - .remount_fs = linvfs_remount, - .show_options = linvfs_show_options, + return get_sb_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super); +} + +STATIC struct super_operations xfs_super_operations = { + .alloc_inode = xfs_fs_alloc_inode, + .destroy_inode = xfs_fs_destroy_inode, + .write_inode = xfs_fs_write_inode, + .clear_inode = xfs_fs_clear_inode, + .put_super = xfs_fs_put_super, + .write_super = xfs_fs_write_super, + .sync_fs = xfs_fs_sync_super, + .write_super_lockfs = xfs_fs_lockfs, + .statfs = xfs_fs_statfs, + .remount_fs = xfs_fs_remount, + .show_options = xfs_fs_show_options, }; -STATIC struct quotactl_ops linvfs_qops = { - .quota_sync = linvfs_quotasync, - .get_xstate = linvfs_getxstate, - .set_xstate = linvfs_setxstate, - .get_xquota = linvfs_getxquota, - .set_xquota = linvfs_setxquota, +STATIC struct quotactl_ops xfs_quotactl_operations = { + .quota_sync = xfs_fs_quotasync, + .get_xstate = xfs_fs_getxstate, + .set_xstate = xfs_fs_setxstate, + .get_xquota = xfs_fs_getxquota, + .set_xquota = xfs_fs_setxquota, }; STATIC struct file_system_type xfs_fs_type = { .owner = THIS_MODULE, .name = "xfs", - .get_sb = linvfs_get_sb, + .get_sb = xfs_fs_get_sb, .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, }; @@ -965,7 +955,7 @@ init_xfs_fs( void ) ktrace_init(64); - error = linvfs_init_zones(); + error = xfs_init_zones(); if (error < 0) goto undo_zones; @@ -981,14 +971,13 @@ init_xfs_fs( void ) error = register_filesystem(&xfs_fs_type); if (error) goto undo_register; - XFS_DM_INIT(&xfs_fs_type); return 0; undo_register: xfs_buf_terminate(); undo_buffers: - linvfs_destroy_zones(); + xfs_destroy_zones(); undo_zones: return error; @@ -998,11 +987,10 @@ STATIC void __exit exit_xfs_fs( void ) { vfs_exitquota(); - XFS_DM_EXIT(&xfs_fs_type); unregister_filesystem(&xfs_fs_type); xfs_cleanup(); xfs_buf_terminate(); - linvfs_destroy_zones(); + xfs_destroy_zones(); ktrace_uninit(); } |