From 745f691912b700ac98607b525f3c892204c7f12f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 30 Aug 2007 17:20:39 +1000 Subject: [XFS] call common xfs vfs-level helpers directly and remove vfs operations Also remove the now dead behavior code. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29505a Signed-off-by: Christoph Hellwig Signed-off-by: David Chinner Signed-off-by: Tim Shimmin --- fs/xfs/linux-2.6/xfs_vfs.h | 121 +-------------------------------------------- 1 file changed, 2 insertions(+), 119 deletions(-) (limited to 'fs/xfs/linux-2.6/xfs_vfs.h') diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index e63b2d012f0c..04303cb911c7 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -29,6 +29,7 @@ struct cred; struct seq_file; struct super_block; struct xfs_inode; +struct xfs_mount; struct xfs_mount_args; typedef struct kstatfs bhv_statvfs_t; @@ -41,10 +42,10 @@ typedef struct bhv_vfs_sync_work { } bhv_vfs_sync_work_t; typedef struct bhv_vfs { + struct xfs_mount *vfs_mount; u_int vfs_flag; /* flags */ xfs_fsid_t vfs_fsid; /* file system ID */ xfs_fsid_t *vfs_altfsid; /* An ID fixed for life of FS */ - bhv_head_t vfs_bh; /* head of vfs behavior chain */ struct super_block *vfs_super; /* generic superblock pointer */ struct task_struct *vfs_sync_task; /* generalised sync thread */ bhv_vfs_sync_work_t vfs_sync_work; /* work item for VFS_SYNC */ @@ -54,27 +55,6 @@ typedef struct bhv_vfs { wait_queue_head_t vfs_wait_single_sync_task; } bhv_vfs_t; -#define bhvtovfs(bdp) ( (struct bhv_vfs *)BHV_VOBJ(bdp) ) -#define bhvtovfsops(bdp) ( (struct bhv_vfsops *)BHV_OPS(bdp) ) -#define VFS_BHVHEAD(vfs) ( &(vfs)->vfs_bh ) -#define VFS_REMOVEBHV(vfs, bdp) ( bhv_remove(VFS_BHVHEAD(vfs), bdp) ) - -#define VFS_POSITION_BASE BHV_POSITION_BASE /* chain bottom */ -#define VFS_POSITION_TOP BHV_POSITION_TOP /* chain top */ -#define VFS_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */ - -typedef enum { - VFS_BHV_UNKNOWN, /* not specified */ - VFS_BHV_XFS, /* xfs */ - VFS_BHV_QM, /* quota manager */ - VFS_BHV_IO, /* IO path */ - VFS_BHV_END /* housekeeping end-of-range */ -} bhv_vfs_type_t; - -#define VFS_POSITION_XFS (BHV_POSITION_BASE) -#define VFS_POSITION_QM (VFS_POSITION_BASE+20) -#define VFS_POSITION_IO (VFS_POSITION_BASE+30) - #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 */ @@ -114,108 +94,11 @@ typedef enum { #define SHUTDOWN_REMOTE_REQ 0x0010 /* shutdown came from remote cell */ #define SHUTDOWN_DEVICE_REQ 0x0020 /* failed all paths to the device */ -typedef int (*vfs_mount_t)(bhv_desc_t *, - struct xfs_mount_args *, struct cred *); -typedef int (*vfs_parseargs_t)(bhv_desc_t *, char *, - struct xfs_mount_args *, int); -typedef int (*vfs_showargs_t)(bhv_desc_t *, struct seq_file *); -typedef int (*vfs_unmount_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vfs_mntupdate_t)(bhv_desc_t *, int *, - struct xfs_mount_args *); -typedef int (*vfs_root_t)(bhv_desc_t *, struct inode **); -typedef int (*vfs_statvfs_t)(bhv_desc_t *, bhv_statvfs_t *, - struct inode *); -typedef int (*vfs_sync_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vfs_vget_t)(bhv_desc_t *, struct inode **, struct fid *); -typedef void (*vfs_init_vnode_t)(bhv_desc_t *, - struct inode *, struct xfs_inode *, int); -typedef void (*vfs_force_shutdown_t)(bhv_desc_t *, int, char *, int); -typedef void (*vfs_freeze_t)(bhv_desc_t *); - -typedef struct bhv_vfsops { - bhv_position_t vf_position; /* behavior chain position */ - vfs_mount_t vfs_mount; /* mount file system */ - vfs_parseargs_t vfs_parseargs; /* parse mount options */ - vfs_showargs_t vfs_showargs; /* unparse mount options */ - vfs_unmount_t vfs_unmount; /* unmount file system */ - vfs_mntupdate_t vfs_mntupdate; /* update file system options */ - vfs_root_t vfs_root; /* get root vnode */ - vfs_statvfs_t vfs_statvfs; /* file system statistics */ - vfs_sync_t vfs_sync; /* flush files */ - vfs_vget_t vfs_vget; /* get vnode from fid */ - vfs_init_vnode_t vfs_init_vnode; /* initialize a new vnode */ - vfs_force_shutdown_t vfs_force_shutdown; /* crash and burn */ - vfs_freeze_t vfs_freeze; /* freeze fs for snapshot */ -} bhv_vfsops_t; - -/* - * Virtual filesystem operations, operating from head bhv. - */ -#define VFSHEAD(v) ((v)->vfs_bh.bh_first) -#define bhv_vfs_mount(v, ma,cr) vfs_mount(VFSHEAD(v), ma,cr) -#define bhv_vfs_parseargs(v, o,ma,f) vfs_parseargs(VFSHEAD(v), o,ma,f) -#define bhv_vfs_showargs(v, m) vfs_showargs(VFSHEAD(v), m) -#define bhv_vfs_unmount(v, f,cr) vfs_unmount(VFSHEAD(v), f,cr) -#define bhv_vfs_mntupdate(v, fl,args) vfs_mntupdate(VFSHEAD(v), fl,args) -#define bhv_vfs_root(v, vpp) vfs_root(VFSHEAD(v), vpp) -#define bhv_vfs_statvfs(v, sp,vp) vfs_statvfs(VFSHEAD(v), sp,vp) -#define bhv_vfs_sync(v, flag,cr) vfs_sync(VFSHEAD(v), flag,cr) -#define bhv_vfs_vget(v, vpp,fidp) vfs_vget(VFSHEAD(v), vpp,fidp) -#define bhv_vfs_init_vnode(v, vp,b,ul) vfs_init_vnode(VFSHEAD(v), vp,b,ul) -#define bhv_vfs_force_shutdown(v,u,f,l) vfs_force_shutdown(VFSHEAD(v), u,f,l) -#define bhv_vfs_freeze(v) vfs_freeze(VFSHEAD(v)) - -/* - * Virtual filesystem operations, operating from next bhv. - */ -#define bhv_next_vfs_mount(b, ma,cr) vfs_mount(b, ma,cr) -#define bhv_next_vfs_parseargs(b, o,ma,f) vfs_parseargs(b, o,ma,f) -#define bhv_next_vfs_showargs(b, m) vfs_showargs(b, m) -#define bhv_next_vfs_unmount(b, f,cr) vfs_unmount(b, f,cr) -#define bhv_next_vfs_mntupdate(b, fl,args) vfs_mntupdate(b, fl, args) -#define bhv_next_vfs_root(b, vpp) vfs_root(b, vpp) -#define bhv_next_vfs_statvfs(b, sp,vp) vfs_statvfs(b, sp,vp) -#define bhv_next_vfs_sync(b, flag,cr) vfs_sync(b, flag,cr) -#define bhv_next_vfs_vget(b, vpp,fidp) vfs_vget(b, vpp,fidp) -#define bhv_next_vfs_init_vnode(b, vp,b2,ul) vfs_init_vnode(b, vp,b2,ul) -#define bhv_next_force_shutdown(b, fl,f,l) vfs_force_shutdown(b, fl,f,l) -#define bhv_next_vfs_freeze(b) vfs_freeze(b) - -extern int vfs_mount(bhv_desc_t *, struct xfs_mount_args *, struct cred *); -extern int vfs_parseargs(bhv_desc_t *, char *, struct xfs_mount_args *, int); -extern int vfs_showargs(bhv_desc_t *, struct seq_file *); -extern int vfs_unmount(bhv_desc_t *, int, struct cred *); -extern int vfs_mntupdate(bhv_desc_t *, int *, struct xfs_mount_args *); -extern int vfs_root(bhv_desc_t *, struct inode **); -extern int vfs_statvfs(bhv_desc_t *, bhv_statvfs_t *, struct inode *); -extern int vfs_sync(bhv_desc_t *, int, struct cred *); -extern int vfs_vget(bhv_desc_t *, struct inode **, struct fid *); -extern void vfs_init_vnode(bhv_desc_t *, struct inode *, struct xfs_inode *, int); -extern void vfs_force_shutdown(bhv_desc_t *, int, char *, int); -extern void vfs_freeze(bhv_desc_t *); - #define vfs_test_for_freeze(vfs) ((vfs)->vfs_super->s_frozen) #define vfs_wait_for_freeze(vfs,l) vfs_check_frozen((vfs)->vfs_super, (l)) -typedef struct bhv_module_vfsops { - struct bhv_vfsops bhv_common; - void * bhv_custom; -} bhv_module_vfsops_t; - -#define vfs_bhv_lookup(v, id) (bhv_lookup_range(&(v)->vfs_bh, (id), (id))) -#define vfs_bhv_custom(b) (((bhv_module_vfsops_t*)BHV_OPS(b))->bhv_custom) -#define vfs_bhv_set_custom(b,o) ((b)->bhv_custom = (void *)(o)) -#define vfs_bhv_clr_custom(b) ((b)->bhv_custom = NULL) - extern bhv_vfs_t *vfs_allocate(struct super_block *); extern bhv_vfs_t *vfs_from_sb(struct super_block *); extern void vfs_deallocate(bhv_vfs_t *); -extern void vfs_insertbhv(bhv_vfs_t *, bhv_desc_t *, bhv_vfsops_t *, void *); - -extern void vfs_insertops(bhv_vfs_t *, bhv_module_vfsops_t *); - -extern void bhv_insert_all_vfsops(struct bhv_vfs *); -extern void bhv_remove_all_vfsops(struct bhv_vfs *, int); -extern void bhv_remove_vfsops(struct bhv_vfs *, int); #endif /* __XFS_VFS_H__ */ -- cgit v1.2.2