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authorChristoph Hellwig <hch@infradead.org>2007-08-28 20:58:01 -0400
committerTim Shimmin <tes@chook.melbourne.sgi.com>2007-10-15 20:40:00 -0400
commit739bfb2a7dfa369324f74aad1d020d6e0775e4f0 (patch)
tree8fbe3e739e0d550137e3f148a36ce5c083f5ef2c /fs/xfs/linux-2.6/xfs_vnode.h
parent993386c19afa53fa54d00c7721e56ba820b3400d (diff)
[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>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_vnode.h')
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h217
1 files changed, 1 insertions, 216 deletions
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index bddbdb904234..5abcbd198d73 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -41,7 +41,6 @@ typedef struct bhv_vnode {
41 bhv_vflags_t v_flag; /* vnode flags (see above) */ 41 bhv_vflags_t v_flag; /* vnode flags (see above) */
42 bhv_vfs_t *v_vfsp; /* ptr to containing VFS */ 42 bhv_vfs_t *v_vfsp; /* ptr to containing VFS */
43 bhv_vnumber_t v_number; /* in-core vnode number */ 43 bhv_vnumber_t v_number; /* in-core vnode number */
44 bhv_head_t v_bh; /* behavior head */
45 spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */ 44 spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */
46 atomic_t v_iocount; /* outstanding I/O count */ 45 atomic_t v_iocount; /* outstanding I/O count */
47#ifdef XFS_VNODE_TRACE 46#ifdef XFS_VNODE_TRACE
@@ -57,34 +56,6 @@ typedef struct bhv_vnode {
57#define VN_ISCHR(vp) S_ISCHR((vp)->v_inode.i_mode) 56#define VN_ISCHR(vp) S_ISCHR((vp)->v_inode.i_mode)
58#define VN_ISBLK(vp) S_ISBLK((vp)->v_inode.i_mode) 57#define VN_ISBLK(vp) S_ISBLK((vp)->v_inode.i_mode)
59 58
60#define VNODE_POSITION_BASE BHV_POSITION_BASE /* chain bottom */
61#define VNODE_POSITION_TOP BHV_POSITION_TOP /* chain top */
62#define VNODE_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */
63
64typedef enum {
65 VN_BHV_UNKNOWN, /* not specified */
66 VN_BHV_XFS, /* xfs */
67 VN_BHV_DM, /* data migration */
68 VN_BHV_QM, /* quota manager */
69 VN_BHV_IO, /* IO path */
70 VN_BHV_END /* housekeeping end-of-range */
71} vn_bhv_t;
72
73#define VNODE_POSITION_XFS (VNODE_POSITION_BASE)
74#define VNODE_POSITION_DM (VNODE_POSITION_BASE+10)
75#define VNODE_POSITION_QM (VNODE_POSITION_BASE+20)
76#define VNODE_POSITION_IO (VNODE_POSITION_BASE+30)
77
78/*
79 * Macros for dealing with the behavior descriptor inside of the vnode.
80 */
81#define BHV_TO_VNODE(bdp) ((bhv_vnode_t *)BHV_VOBJ(bdp))
82#define BHV_TO_VNODE_NULL(bdp) ((bhv_vnode_t *)BHV_VOBJNULL(bdp))
83
84#define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh)))
85#define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name)
86#define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp)
87
88/* 59/*
89 * Vnode to Linux inode mapping. 60 * Vnode to Linux inode mapping.
90 */ 61 */
@@ -110,7 +81,7 @@ typedef enum bhv_vrwlock {
110} bhv_vrwlock_t; 81} bhv_vrwlock_t;
111 82
112/* 83/*
113 * Return values for bhv_vop_inactive. A return value of 84 * Return values for xfs_inactive. A return value of
114 * VN_INACTIVE_NOCACHE implies that the file system behavior 85 * VN_INACTIVE_NOCACHE implies that the file system behavior
115 * has disassociated its state and bhv_desc_t from the vnode. 86 * has disassociated its state and bhv_desc_t from the vnode.
116 */ 87 */
@@ -118,192 +89,6 @@ typedef enum bhv_vrwlock {
118#define VN_INACTIVE_NOCACHE 1 89#define VN_INACTIVE_NOCACHE 1
119 90
120/* 91/*
121 * Values for the cmd code given to vop_vnode_change.
122 */
123typedef enum bhv_vchange {
124 VCHANGE_FLAGS_FRLOCKS = 0,
125 VCHANGE_FLAGS_ENF_LOCKING = 1,
126 VCHANGE_FLAGS_TRUNCATED = 2,
127 VCHANGE_FLAGS_PAGE_DIRTY = 3,
128 VCHANGE_FLAGS_IOEXCL_COUNT = 4
129} bhv_vchange_t;
130
131typedef int (*vop_open_t)(bhv_desc_t *, struct cred *);
132typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *,
133 const struct iovec *, unsigned int,
134 loff_t *, int, struct cred *);
135typedef ssize_t (*vop_write_t)(bhv_desc_t *, struct kiocb *,
136 const struct iovec *, unsigned int,
137 loff_t *, int, struct cred *);
138typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *, loff_t *,
139 struct pipe_inode_info *, size_t, int, int,
140 struct cred *);
141typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct pipe_inode_info *,
142 struct file *, loff_t *, size_t, int, int,
143 struct cred *);
144typedef int (*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *,
145 int, unsigned int, void __user *);
146typedef int (*vop_getattr_t)(bhv_desc_t *, struct bhv_vattr *, int,
147 struct cred *);
148typedef int (*vop_setattr_t)(bhv_desc_t *, struct bhv_vattr *, int,
149 struct cred *);
150typedef int (*vop_access_t)(bhv_desc_t *, int, struct cred *);
151typedef int (*vop_lookup_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t **,
152 int, bhv_vnode_t *, struct cred *);
153typedef int (*vop_create_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *,
154 bhv_vnode_t **, struct cred *);
155typedef int (*vop_remove_t)(bhv_desc_t *, bhv_vname_t *, struct cred *);
156typedef int (*vop_link_t)(bhv_desc_t *, bhv_vnode_t *, bhv_vname_t *,
157 struct cred *);
158typedef int (*vop_rename_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t *,
159 bhv_vname_t *, struct cred *);
160typedef int (*vop_mkdir_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *,
161 bhv_vnode_t **, struct cred *);
162typedef int (*vop_rmdir_t)(bhv_desc_t *, bhv_vname_t *, struct cred *);
163typedef int (*vop_readdir_t)(bhv_desc_t *, void *dirent, size_t bufsize,
164 xfs_off_t *offset, filldir_t filldir);
165typedef int (*vop_symlink_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr*,
166 char *, bhv_vnode_t **, struct cred *);
167typedef int (*vop_readlink_t)(bhv_desc_t *, char *);
168typedef int (*vop_fsync_t)(bhv_desc_t *, int, struct cred *,
169 xfs_off_t, xfs_off_t);
170typedef int (*vop_inactive_t)(bhv_desc_t *, struct cred *);
171typedef int (*vop_fid2_t)(bhv_desc_t *, struct fid *);
172typedef int (*vop_release_t)(bhv_desc_t *);
173typedef int (*vop_rwlock_t)(bhv_desc_t *, bhv_vrwlock_t);
174typedef void (*vop_rwunlock_t)(bhv_desc_t *, bhv_vrwlock_t);
175typedef int (*vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int,
176 struct xfs_iomap *, int *);
177typedef int (*vop_reclaim_t)(bhv_desc_t *);
178typedef int (*vop_attr_get_t)(bhv_desc_t *, const char *, char *, int *,
179 int, struct cred *);
180typedef int (*vop_attr_set_t)(bhv_desc_t *, const char *, char *, int,
181 int, struct cred *);
182typedef int (*vop_attr_remove_t)(bhv_desc_t *, const char *,
183 int, struct cred *);
184typedef int (*vop_attr_list_t)(bhv_desc_t *, char *, int, int,
185 struct attrlist_cursor_kern *, struct cred *);
186typedef void (*vop_link_removed_t)(bhv_desc_t *, bhv_vnode_t *, int);
187typedef void (*vop_vnode_change_t)(bhv_desc_t *, bhv_vchange_t, __psint_t);
188typedef void (*vop_ptossvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
189typedef int (*vop_pflushinvalvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
190typedef int (*vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t,
191 uint64_t, int);
192typedef int (*vop_iflush_t)(bhv_desc_t *, int);
193
194
195typedef struct bhv_vnodeops {
196 bhv_position_t vn_position; /* position within behavior chain */
197 vop_open_t vop_open;
198 vop_read_t vop_read;
199 vop_write_t vop_write;
200 vop_splice_read_t vop_splice_read;
201 vop_splice_write_t vop_splice_write;
202 vop_ioctl_t vop_ioctl;
203 vop_getattr_t vop_getattr;
204 vop_setattr_t vop_setattr;
205 vop_access_t vop_access;
206 vop_lookup_t vop_lookup;
207 vop_create_t vop_create;
208 vop_remove_t vop_remove;
209 vop_link_t vop_link;
210 vop_rename_t vop_rename;
211 vop_mkdir_t vop_mkdir;
212 vop_rmdir_t vop_rmdir;
213 vop_readdir_t vop_readdir;
214 vop_symlink_t vop_symlink;
215 vop_readlink_t vop_readlink;
216 vop_fsync_t vop_fsync;
217 vop_inactive_t vop_inactive;
218 vop_fid2_t vop_fid2;
219 vop_rwlock_t vop_rwlock;
220 vop_rwunlock_t vop_rwunlock;
221 vop_bmap_t vop_bmap;
222 vop_reclaim_t vop_reclaim;
223 vop_attr_get_t vop_attr_get;
224 vop_attr_set_t vop_attr_set;
225 vop_attr_remove_t vop_attr_remove;
226 vop_attr_list_t vop_attr_list;
227 vop_link_removed_t vop_link_removed;
228 vop_vnode_change_t vop_vnode_change;
229 vop_ptossvp_t vop_tosspages;
230 vop_pflushinvalvp_t vop_flushinval_pages;
231 vop_pflushvp_t vop_flush_pages;
232 vop_release_t vop_release;
233 vop_iflush_t vop_iflush;
234} bhv_vnodeops_t;
235
236/*
237 * Virtual node operations, operating from head bhv.
238 */
239#define VNHEAD(vp) ((vp)->v_bh.bh_first)
240#define VOP(op, vp) (*((bhv_vnodeops_t *)VNHEAD(vp)->bd_ops)->op)
241#define bhv_vop_open(vp, cr) VOP(vop_open, vp)(VNHEAD(vp),cr)
242#define bhv_vop_read(vp,file,iov,segs,offset,ioflags,cr) \
243 VOP(vop_read, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr)
244#define bhv_vop_write(vp,file,iov,segs,offset,ioflags,cr) \
245 VOP(vop_write, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr)
246#define bhv_vop_splice_read(vp,f,o,pipe,cnt,fl,iofl,cr) \
247 VOP(vop_splice_read, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr)
248#define bhv_vop_splice_write(vp,f,o,pipe,cnt,fl,iofl,cr) \
249 VOP(vop_splice_write, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr)
250#define bhv_vop_bmap(vp,of,sz,rw,b,n) \
251 VOP(vop_bmap, vp)(VNHEAD(vp),of,sz,rw,b,n)
252#define bhv_vop_getattr(vp, vap,f,cr) \
253 VOP(vop_getattr, vp)(VNHEAD(vp), vap,f,cr)
254#define bhv_vop_setattr(vp, vap,f,cr) \
255 VOP(vop_setattr, vp)(VNHEAD(vp), vap,f,cr)
256#define bhv_vop_access(vp, mode,cr) VOP(vop_access, vp)(VNHEAD(vp), mode,cr)
257#define bhv_vop_lookup(vp,d,vpp,f,rdir,cr) \
258 VOP(vop_lookup, vp)(VNHEAD(vp),d,vpp,f,rdir,cr)
259#define bhv_vop_create(dvp,d,vap,vpp,cr) \
260 VOP(vop_create, dvp)(VNHEAD(dvp),d,vap,vpp,cr)
261#define bhv_vop_remove(dvp,d,cr) VOP(vop_remove, dvp)(VNHEAD(dvp),d,cr)
262#define bhv_vop_link(dvp,fvp,d,cr) VOP(vop_link, dvp)(VNHEAD(dvp),fvp,d,cr)
263#define bhv_vop_rename(fvp,fnm,tdvp,tnm,cr) \
264 VOP(vop_rename, fvp)(VNHEAD(fvp),fnm,tdvp,tnm,cr)
265#define bhv_vop_mkdir(dp,d,vap,vpp,cr) \
266 VOP(vop_mkdir, dp)(VNHEAD(dp),d,vap,vpp,cr)
267#define bhv_vop_rmdir(dp,d,cr) VOP(vop_rmdir, dp)(VNHEAD(dp),d,cr)
268#define bhv_vop_readdir(vp,dirent,bufsize,offset,filldir) \
269 VOP(vop_readdir, vp)(VNHEAD(vp),dirent,bufsize,offset,filldir)
270#define bhv_vop_symlink(dvp,d,vap,tnm,vpp,cr) \
271 VOP(vop_symlink, dvp)(VNHEAD(dvp),d,vap,tnm,vpp,cr)
272#define bhv_vop_readlink(vp,link) \
273 VOP(vop_readlink, vp)(VNHEAD(vp), link)
274#define bhv_vop_fsync(vp,f,cr,b,e) VOP(vop_fsync, vp)(VNHEAD(vp),f,cr,b,e)
275#define bhv_vop_inactive(vp,cr) VOP(vop_inactive, vp)(VNHEAD(vp),cr)
276#define bhv_vop_release(vp) VOP(vop_release, vp)(VNHEAD(vp))
277#define bhv_vop_fid2(vp,fidp) VOP(vop_fid2, vp)(VNHEAD(vp),fidp)
278#define bhv_vop_rwlock(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i)
279#define bhv_vop_rwlock_try(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i)
280#define bhv_vop_rwunlock(vp,i) VOP(vop_rwunlock, vp)(VNHEAD(vp),i)
281#define bhv_vop_frlock(vp,c,fl,flags,offset,fr) \
282 VOP(vop_frlock, vp)(VNHEAD(vp),c,fl,flags,offset,fr)
283#define bhv_vop_reclaim(vp) VOP(vop_reclaim, vp)(VNHEAD(vp))
284#define bhv_vop_attr_get(vp, name, val, vallenp, fl, cred) \
285 VOP(vop_attr_get, vp)(VNHEAD(vp),name,val,vallenp,fl,cred)
286#define bhv_vop_attr_set(vp, name, val, vallen, fl, cred) \
287 VOP(vop_attr_set, vp)(VNHEAD(vp),name,val,vallen,fl,cred)
288#define bhv_vop_attr_remove(vp, name, flags, cred) \
289 VOP(vop_attr_remove, vp)(VNHEAD(vp),name,flags,cred)
290#define bhv_vop_attr_list(vp, buf, buflen, fl, cursor, cred) \
291 VOP(vop_attr_list, vp)(VNHEAD(vp),buf,buflen,fl,cursor,cred)
292#define bhv_vop_link_removed(vp, dvp, linkzero) \
293 VOP(vop_link_removed, vp)(VNHEAD(vp), dvp, linkzero)
294#define bhv_vop_vnode_change(vp, cmd, val) \
295 VOP(vop_vnode_change, vp)(VNHEAD(vp), cmd, val)
296#define bhv_vop_toss_pages(vp, first, last, fiopt) \
297 VOP(vop_tosspages, vp)(VNHEAD(vp), first, last, fiopt)
298#define bhv_vop_flushinval_pages(vp, first, last, fiopt) \
299 VOP(vop_flushinval_pages, vp)(VNHEAD(vp),first,last,fiopt)
300#define bhv_vop_flush_pages(vp, first, last, flags, fiopt) \
301 VOP(vop_flush_pages, vp)(VNHEAD(vp),first,last,flags,fiopt)
302#define bhv_vop_ioctl(vp, inode, filp, fl, cmd, arg) \
303 VOP(vop_ioctl, vp)(VNHEAD(vp),inode,filp,fl,cmd,arg)
304#define bhv_vop_iflush(vp, flags) VOP(vop_iflush, vp)(VNHEAD(vp), flags)
305
306/*
307 * Flags for read/write calls - same values as IRIX 92 * Flags for read/write calls - same values as IRIX
308 */ 93 */
309#define IO_ISAIO 0x00001 /* don't wait for completion */ 94#define IO_ISAIO 0x00001 /* don't wait for completion */