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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_vfs.h')
-rw-r--r--fs/xfs/linux-2.6/xfs_vfs.h121
1 files changed, 2 insertions, 119 deletions
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__ */
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