[XFS] call common xfs vnode-level helpers directly and remove vnode operations
SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29493a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index bddbdb9..5abcbd1 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -41,7 +41,6 @@
bhv_vflags_t v_flag; /* vnode flags (see above) */
bhv_vfs_t *v_vfsp; /* ptr to containing VFS */
bhv_vnumber_t v_number; /* in-core vnode number */
- bhv_head_t v_bh; /* behavior head */
spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */
atomic_t v_iocount; /* outstanding I/O count */
#ifdef XFS_VNODE_TRACE
@@ -57,34 +56,6 @@
#define VN_ISCHR(vp) S_ISCHR((vp)->v_inode.i_mode)
#define VN_ISBLK(vp) S_ISBLK((vp)->v_inode.i_mode)
-#define VNODE_POSITION_BASE BHV_POSITION_BASE /* chain bottom */
-#define VNODE_POSITION_TOP BHV_POSITION_TOP /* chain top */
-#define VNODE_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */
-
-typedef enum {
- VN_BHV_UNKNOWN, /* not specified */
- VN_BHV_XFS, /* xfs */
- VN_BHV_DM, /* data migration */
- VN_BHV_QM, /* quota manager */
- VN_BHV_IO, /* IO path */
- VN_BHV_END /* housekeeping end-of-range */
-} vn_bhv_t;
-
-#define VNODE_POSITION_XFS (VNODE_POSITION_BASE)
-#define VNODE_POSITION_DM (VNODE_POSITION_BASE+10)
-#define VNODE_POSITION_QM (VNODE_POSITION_BASE+20)
-#define VNODE_POSITION_IO (VNODE_POSITION_BASE+30)
-
-/*
- * Macros for dealing with the behavior descriptor inside of the vnode.
- */
-#define BHV_TO_VNODE(bdp) ((bhv_vnode_t *)BHV_VOBJ(bdp))
-#define BHV_TO_VNODE_NULL(bdp) ((bhv_vnode_t *)BHV_VOBJNULL(bdp))
-
-#define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh)))
-#define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name)
-#define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp)
-
/*
* Vnode to Linux inode mapping.
*/
@@ -110,7 +81,7 @@
} bhv_vrwlock_t;
/*
- * Return values for bhv_vop_inactive. A return value of
+ * Return values for xfs_inactive. A return value of
* VN_INACTIVE_NOCACHE implies that the file system behavior
* has disassociated its state and bhv_desc_t from the vnode.
*/
@@ -118,192 +89,6 @@
#define VN_INACTIVE_NOCACHE 1
/*
- * Values for the cmd code given to vop_vnode_change.
- */
-typedef enum bhv_vchange {
- VCHANGE_FLAGS_FRLOCKS = 0,
- VCHANGE_FLAGS_ENF_LOCKING = 1,
- VCHANGE_FLAGS_TRUNCATED = 2,
- VCHANGE_FLAGS_PAGE_DIRTY = 3,
- VCHANGE_FLAGS_IOEXCL_COUNT = 4
-} bhv_vchange_t;
-
-typedef int (*vop_open_t)(bhv_desc_t *, struct cred *);
-typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *,
- const struct iovec *, unsigned int,
- loff_t *, int, struct cred *);
-typedef ssize_t (*vop_write_t)(bhv_desc_t *, struct kiocb *,
- const struct iovec *, unsigned int,
- loff_t *, int, struct cred *);
-typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *, loff_t *,
- struct pipe_inode_info *, size_t, int, int,
- struct cred *);
-typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct pipe_inode_info *,
- struct file *, loff_t *, size_t, int, int,
- struct cred *);
-typedef int (*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *,
- int, unsigned int, void __user *);
-typedef int (*vop_getattr_t)(bhv_desc_t *, struct bhv_vattr *, int,
- struct cred *);
-typedef int (*vop_setattr_t)(bhv_desc_t *, struct bhv_vattr *, int,
- struct cred *);
-typedef int (*vop_access_t)(bhv_desc_t *, int, struct cred *);
-typedef int (*vop_lookup_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t **,
- int, bhv_vnode_t *, struct cred *);
-typedef int (*vop_create_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *,
- bhv_vnode_t **, struct cred *);
-typedef int (*vop_remove_t)(bhv_desc_t *, bhv_vname_t *, struct cred *);
-typedef int (*vop_link_t)(bhv_desc_t *, bhv_vnode_t *, bhv_vname_t *,
- struct cred *);
-typedef int (*vop_rename_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t *,
- bhv_vname_t *, struct cred *);
-typedef int (*vop_mkdir_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *,
- bhv_vnode_t **, struct cred *);
-typedef int (*vop_rmdir_t)(bhv_desc_t *, bhv_vname_t *, struct cred *);
-typedef int (*vop_readdir_t)(bhv_desc_t *, void *dirent, size_t bufsize,
- xfs_off_t *offset, filldir_t filldir);
-typedef int (*vop_symlink_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr*,
- char *, bhv_vnode_t **, struct cred *);
-typedef int (*vop_readlink_t)(bhv_desc_t *, char *);
-typedef int (*vop_fsync_t)(bhv_desc_t *, int, struct cred *,
- xfs_off_t, xfs_off_t);
-typedef int (*vop_inactive_t)(bhv_desc_t *, struct cred *);
-typedef int (*vop_fid2_t)(bhv_desc_t *, struct fid *);
-typedef int (*vop_release_t)(bhv_desc_t *);
-typedef int (*vop_rwlock_t)(bhv_desc_t *, bhv_vrwlock_t);
-typedef void (*vop_rwunlock_t)(bhv_desc_t *, bhv_vrwlock_t);
-typedef int (*vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int,
- struct xfs_iomap *, int *);
-typedef int (*vop_reclaim_t)(bhv_desc_t *);
-typedef int (*vop_attr_get_t)(bhv_desc_t *, const char *, char *, int *,
- int, struct cred *);
-typedef int (*vop_attr_set_t)(bhv_desc_t *, const char *, char *, int,
- int, struct cred *);
-typedef int (*vop_attr_remove_t)(bhv_desc_t *, const char *,
- int, struct cred *);
-typedef int (*vop_attr_list_t)(bhv_desc_t *, char *, int, int,
- struct attrlist_cursor_kern *, struct cred *);
-typedef void (*vop_link_removed_t)(bhv_desc_t *, bhv_vnode_t *, int);
-typedef void (*vop_vnode_change_t)(bhv_desc_t *, bhv_vchange_t, __psint_t);
-typedef void (*vop_ptossvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
-typedef int (*vop_pflushinvalvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
-typedef int (*vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t,
- uint64_t, int);
-typedef int (*vop_iflush_t)(bhv_desc_t *, int);
-
-
-typedef struct bhv_vnodeops {
- bhv_position_t vn_position; /* position within behavior chain */
- vop_open_t vop_open;
- vop_read_t vop_read;
- vop_write_t vop_write;
- vop_splice_read_t vop_splice_read;
- vop_splice_write_t vop_splice_write;
- vop_ioctl_t vop_ioctl;
- vop_getattr_t vop_getattr;
- vop_setattr_t vop_setattr;
- vop_access_t vop_access;
- vop_lookup_t vop_lookup;
- vop_create_t vop_create;
- vop_remove_t vop_remove;
- vop_link_t vop_link;
- vop_rename_t vop_rename;
- vop_mkdir_t vop_mkdir;
- vop_rmdir_t vop_rmdir;
- vop_readdir_t vop_readdir;
- vop_symlink_t vop_symlink;
- vop_readlink_t vop_readlink;
- vop_fsync_t vop_fsync;
- vop_inactive_t vop_inactive;
- vop_fid2_t vop_fid2;
- vop_rwlock_t vop_rwlock;
- vop_rwunlock_t vop_rwunlock;
- vop_bmap_t vop_bmap;
- vop_reclaim_t vop_reclaim;
- vop_attr_get_t vop_attr_get;
- vop_attr_set_t vop_attr_set;
- vop_attr_remove_t vop_attr_remove;
- vop_attr_list_t vop_attr_list;
- vop_link_removed_t vop_link_removed;
- vop_vnode_change_t vop_vnode_change;
- vop_ptossvp_t vop_tosspages;
- vop_pflushinvalvp_t vop_flushinval_pages;
- vop_pflushvp_t vop_flush_pages;
- vop_release_t vop_release;
- vop_iflush_t vop_iflush;
-} bhv_vnodeops_t;
-
-/*
- * Virtual node operations, operating from head bhv.
- */
-#define VNHEAD(vp) ((vp)->v_bh.bh_first)
-#define VOP(op, vp) (*((bhv_vnodeops_t *)VNHEAD(vp)->bd_ops)->op)
-#define bhv_vop_open(vp, cr) VOP(vop_open, vp)(VNHEAD(vp),cr)
-#define bhv_vop_read(vp,file,iov,segs,offset,ioflags,cr) \
- VOP(vop_read, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr)
-#define bhv_vop_write(vp,file,iov,segs,offset,ioflags,cr) \
- VOP(vop_write, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr)
-#define bhv_vop_splice_read(vp,f,o,pipe,cnt,fl,iofl,cr) \
- VOP(vop_splice_read, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr)
-#define bhv_vop_splice_write(vp,f,o,pipe,cnt,fl,iofl,cr) \
- VOP(vop_splice_write, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr)
-#define bhv_vop_bmap(vp,of,sz,rw,b,n) \
- VOP(vop_bmap, vp)(VNHEAD(vp),of,sz,rw,b,n)
-#define bhv_vop_getattr(vp, vap,f,cr) \
- VOP(vop_getattr, vp)(VNHEAD(vp), vap,f,cr)
-#define bhv_vop_setattr(vp, vap,f,cr) \
- VOP(vop_setattr, vp)(VNHEAD(vp), vap,f,cr)
-#define bhv_vop_access(vp, mode,cr) VOP(vop_access, vp)(VNHEAD(vp), mode,cr)
-#define bhv_vop_lookup(vp,d,vpp,f,rdir,cr) \
- VOP(vop_lookup, vp)(VNHEAD(vp),d,vpp,f,rdir,cr)
-#define bhv_vop_create(dvp,d,vap,vpp,cr) \
- VOP(vop_create, dvp)(VNHEAD(dvp),d,vap,vpp,cr)
-#define bhv_vop_remove(dvp,d,cr) VOP(vop_remove, dvp)(VNHEAD(dvp),d,cr)
-#define bhv_vop_link(dvp,fvp,d,cr) VOP(vop_link, dvp)(VNHEAD(dvp),fvp,d,cr)
-#define bhv_vop_rename(fvp,fnm,tdvp,tnm,cr) \
- VOP(vop_rename, fvp)(VNHEAD(fvp),fnm,tdvp,tnm,cr)
-#define bhv_vop_mkdir(dp,d,vap,vpp,cr) \
- VOP(vop_mkdir, dp)(VNHEAD(dp),d,vap,vpp,cr)
-#define bhv_vop_rmdir(dp,d,cr) VOP(vop_rmdir, dp)(VNHEAD(dp),d,cr)
-#define bhv_vop_readdir(vp,dirent,bufsize,offset,filldir) \
- VOP(vop_readdir, vp)(VNHEAD(vp),dirent,bufsize,offset,filldir)
-#define bhv_vop_symlink(dvp,d,vap,tnm,vpp,cr) \
- VOP(vop_symlink, dvp)(VNHEAD(dvp),d,vap,tnm,vpp,cr)
-#define bhv_vop_readlink(vp,link) \
- VOP(vop_readlink, vp)(VNHEAD(vp), link)
-#define bhv_vop_fsync(vp,f,cr,b,e) VOP(vop_fsync, vp)(VNHEAD(vp),f,cr,b,e)
-#define bhv_vop_inactive(vp,cr) VOP(vop_inactive, vp)(VNHEAD(vp),cr)
-#define bhv_vop_release(vp) VOP(vop_release, vp)(VNHEAD(vp))
-#define bhv_vop_fid2(vp,fidp) VOP(vop_fid2, vp)(VNHEAD(vp),fidp)
-#define bhv_vop_rwlock(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i)
-#define bhv_vop_rwlock_try(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i)
-#define bhv_vop_rwunlock(vp,i) VOP(vop_rwunlock, vp)(VNHEAD(vp),i)
-#define bhv_vop_frlock(vp,c,fl,flags,offset,fr) \
- VOP(vop_frlock, vp)(VNHEAD(vp),c,fl,flags,offset,fr)
-#define bhv_vop_reclaim(vp) VOP(vop_reclaim, vp)(VNHEAD(vp))
-#define bhv_vop_attr_get(vp, name, val, vallenp, fl, cred) \
- VOP(vop_attr_get, vp)(VNHEAD(vp),name,val,vallenp,fl,cred)
-#define bhv_vop_attr_set(vp, name, val, vallen, fl, cred) \
- VOP(vop_attr_set, vp)(VNHEAD(vp),name,val,vallen,fl,cred)
-#define bhv_vop_attr_remove(vp, name, flags, cred) \
- VOP(vop_attr_remove, vp)(VNHEAD(vp),name,flags,cred)
-#define bhv_vop_attr_list(vp, buf, buflen, fl, cursor, cred) \
- VOP(vop_attr_list, vp)(VNHEAD(vp),buf,buflen,fl,cursor,cred)
-#define bhv_vop_link_removed(vp, dvp, linkzero) \
- VOP(vop_link_removed, vp)(VNHEAD(vp), dvp, linkzero)
-#define bhv_vop_vnode_change(vp, cmd, val) \
- VOP(vop_vnode_change, vp)(VNHEAD(vp), cmd, val)
-#define bhv_vop_toss_pages(vp, first, last, fiopt) \
- VOP(vop_tosspages, vp)(VNHEAD(vp), first, last, fiopt)
-#define bhv_vop_flushinval_pages(vp, first, last, fiopt) \
- VOP(vop_flushinval_pages, vp)(VNHEAD(vp),first,last,fiopt)
-#define bhv_vop_flush_pages(vp, first, last, flags, fiopt) \
- VOP(vop_flush_pages, vp)(VNHEAD(vp),first,last,flags,fiopt)
-#define bhv_vop_ioctl(vp, inode, filp, fl, cmd, arg) \
- VOP(vop_ioctl, vp)(VNHEAD(vp),inode,filp,fl,cmd,arg)
-#define bhv_vop_iflush(vp, flags) VOP(vop_iflush, vp)(VNHEAD(vp), flags)
-
-/*
* Flags for read/write calls - same values as IRIX
*/
#define IO_ISAIO 0x00001 /* don't wait for completion */