David Chinner wrote:
>
> Yeah, keep the lower case names if possible. I can't think of a simpler
> way of doing it, and it's not terribly ugly. I'm open to better
> solutions, though.....
>
Howziss.... note a couple of __vn* callers due to "special" function
names wanted...
---------------
Simplify vnode tracing calls by embedding function name & return addr
in the calling macro.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxxx>
Index: xfs-linux-clean/linux-2.4/xfs_aops.c
===================================================================
--- xfs-linux-clean.orig/linux-2.4/xfs_aops.c
+++ xfs-linux-clean/linux-2.4/xfs_aops.c
@@ -964,7 +964,7 @@ xfs_vm_bmap(
struct inode *inode = (struct inode *)mapping->host;
bhv_vnode_t *vp = vn_from_inode(inode);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
bhv_vop_rwlock(vp, VRWLOCK_READ);
bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF);
Index: xfs-linux-clean/linux-2.4/xfs_ioctl.c
===================================================================
--- xfs-linux-clean.orig/linux-2.4/xfs_ioctl.c
+++ xfs-linux-clean/linux-2.4/xfs_ioctl.c
@@ -702,7 +702,7 @@ xfs_ioctl(
vp = vn_from_inode(inode);
- vn_trace_entry(vp, "xfs_ioctl", (inst_t *)__return_address);
+ vn_trace_entry(vp);
ip = XFS_BHVTOI(bdp);
mp = ip->i_mount;
Index: xfs-linux-clean/linux-2.4/xfs_super.c
===================================================================
--- xfs-linux-clean.orig/linux-2.4/xfs_super.c
+++ xfs-linux-clean/linux-2.4/xfs_super.c
@@ -374,7 +374,7 @@ xfs_fs_write_inode(
int error, flags = FLUSH_INODE;
if (vp) {
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
if (sync)
flags |= FLUSH_SYNC;
error = bhv_vop_iflush(vp, flags);
@@ -389,7 +389,7 @@ xfs_fs_clear_inode(
{
bhv_vnode_t *vp = vn_from_inode(inode);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
@@ -948,7 +948,7 @@ xfs_fs_read_super(
goto fail_vnrele;
if (xfs_fs_start_syncd(vfsp))
goto fail_vnrele;
- vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_exit(rootvp);
kmem_free(args, sizeof(*args));
return sb;
Index: xfs-linux-clean/linux-2.4/xfs_vnode.c
===================================================================
--- xfs-linux-clean.orig/linux-2.4/xfs_vnode.c
+++ xfs-linux-clean/linux-2.4/xfs_vnode.c
@@ -65,7 +65,7 @@ vn_initialize(
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */
- vn_trace_exit(vp, "vn_initialize", (inst_t *)__return_address);
+ vn_trace_exit(vp);
return vp;
}
@@ -118,7 +118,7 @@ vn_revalidate(
bhv_vattr_t va;
int error;
- vn_trace_entry(vp, "vn_revalidate", (inst_t *)__return_address);
+ vn_trace_entry(vp);
ASSERT(VNHEAD(vp) != NULL);
va.va_mask = XFS_AT_STAT|XFS_AT_XFLAGS;
@@ -168,13 +168,13 @@ vn_hold(
* Vnode tracing code.
*/
void
-vn_trace_entry(bhv_vnode_t *vp, char *func, inst_t *ra)
+__vn_trace_entry(bhv_vnode_t *vp, char *func, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_ENTRY, func, 0, ra);
}
void
-vn_trace_exit(bhv_vnode_t *vp, char *func, inst_t *ra)
+__vn_trace_exit(bhv_vnode_t *vp, char *func, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_EXIT, func, 0, ra);
}
Index: xfs-linux-clean/linux-2.4/xfs_vnode.h
===================================================================
--- xfs-linux-clean.orig/linux-2.4/xfs_vnode.h
+++ xfs-linux-clean/linux-2.4/xfs_vnode.h
@@ -566,21 +566,22 @@ static inline void vn_atime_to_time_t(st
#define VNODE_KTRACE_REF 4
#define VNODE_KTRACE_RELE 5
-extern void vn_trace_entry(struct bhv_vnode *, char *, inst_t *);
-extern void vn_trace_exit(struct bhv_vnode *, char *, inst_t *);
+extern void __vn_trace_entry(struct bhv_vnode *, char *, inst_t *);
+extern void __vn_trace_exit(struct bhv_vnode *, char *, inst_t *);
extern void vn_trace_hold(struct bhv_vnode *, char *, int, inst_t *);
extern void vn_trace_ref(struct bhv_vnode *, char *, int, inst_t *);
extern void vn_trace_rele(struct bhv_vnode *, char *, int, inst_t *);
-#define VN_TRACE(vp) \
- vn_trace_ref(vp, __FILE__, __LINE__, (inst_t *)__return_address)
+#define vn_trace_entry(vp) \
+ __vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address)
+#define vn_trace_exit(vp) \
+ __vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address)
#else
-#define vn_trace_entry(a,b,c)
-#define vn_trace_exit(a,b,c)
+#define vn_trace_entry(a)
+#define vn_trace_exit(a)
#define vn_trace_hold(a,b,c,d)
#define vn_trace_ref(a,b,c,d)
#define vn_trace_rele(a,b,c,d)
-#define VN_TRACE(vp)
#endif
#endif /* __XFS_VNODE_H__ */
Index: xfs-linux-clean/linux-2.6/xfs_aops.c
===================================================================
--- xfs-linux-clean.orig/linux-2.6/xfs_aops.c
+++ xfs-linux-clean/linux-2.6/xfs_aops.c
@@ -1529,7 +1529,7 @@ xfs_vm_bmap(
struct inode *inode = (struct inode *)mapping->host;
bhv_vnode_t *vp = vn_from_inode(inode);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
bhv_vop_rwlock(vp, VRWLOCK_READ);
bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF);
bhv_vop_rwunlock(vp, VRWLOCK_READ);
Index: xfs-linux-clean/linux-2.6/xfs_ioctl.c
===================================================================
--- xfs-linux-clean.orig/linux-2.6/xfs_ioctl.c
+++ xfs-linux-clean/linux-2.6/xfs_ioctl.c
@@ -708,7 +708,7 @@ xfs_ioctl(
vp = vn_from_inode(inode);
- vn_trace_entry(vp, "xfs_ioctl", (inst_t *)__return_address);
+ vn_trace_entry(vp);
ip = XFS_BHVTOI(bdp);
mp = ip->i_mount;
Index: xfs-linux-clean/linux-2.6/xfs_super.c
===================================================================
--- xfs-linux-clean.orig/linux-2.6/xfs_super.c
+++ xfs-linux-clean/linux-2.6/xfs_super.c
@@ -415,7 +415,7 @@ xfs_fs_write_inode(
int error = 0, flags = FLUSH_INODE;
if (vp) {
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
if (sync)
flags |= FLUSH_SYNC;
error = bhv_vop_iflush(vp, flags);
@@ -431,7 +431,7 @@ xfs_fs_clear_inode(
{
bhv_vnode_t *vp = vn_from_inode(inode);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
@@ -844,7 +844,7 @@ xfs_fs_fill_super(
}
if ((error = xfs_fs_start_syncd(vfsp)))
goto fail_vnrele;
- vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_exit(rootvp);
kmem_free(args, sizeof(*args));
return 0;
Index: xfs-linux-clean/linux-2.6/xfs_vnode.c
===================================================================
--- xfs-linux-clean.orig/linux-2.6/xfs_vnode.c
+++ xfs-linux-clean/linux-2.6/xfs_vnode.c
@@ -99,7 +99,7 @@ vn_initialize(
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */
- vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_exit(vp);
return vp;
}
@@ -150,7 +150,7 @@ __vn_revalidate(
{
int error;
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS;
error = bhv_vop_getattr(vp, vattr, 0, NULL);
if (likely(!error)) {
@@ -207,13 +207,13 @@ vn_hold(
* Vnode tracing code.
*/
void
-vn_trace_entry(bhv_vnode_t *vp, const char *func, inst_t *ra)
+__vn_trace_entry(bhv_vnode_t *vp, const char *func, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_ENTRY, func, 0, ra);
}
void
-vn_trace_exit(bhv_vnode_t *vp, const char *func, inst_t *ra)
+__vn_trace_exit(bhv_vnode_t *vp, const char *func, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_EXIT, func, 0, ra);
}
Index: xfs-linux-clean/linux-2.6/xfs_vnode.h
===================================================================
--- xfs-linux-clean.orig/linux-2.6/xfs_vnode.h
+++ xfs-linux-clean/linux-2.6/xfs_vnode.h
@@ -581,21 +581,22 @@ static inline void vn_atime_to_time_t(bh
#define VNODE_KTRACE_REF 4
#define VNODE_KTRACE_RELE 5
-extern void vn_trace_entry(struct bhv_vnode *, const char *, inst_t *);
-extern void vn_trace_exit(struct bhv_vnode *, const char *, inst_t *);
+extern void __vn_trace_entry(struct bhv_vnode *, const char *, inst_t *);
+extern void __vn_trace_exit(struct bhv_vnode *, const char *, inst_t *);
extern void vn_trace_hold(struct bhv_vnode *, char *, int, inst_t *);
extern void vn_trace_ref(struct bhv_vnode *, char *, int, inst_t *);
extern void vn_trace_rele(struct bhv_vnode *, char *, int, inst_t *);
-#define VN_TRACE(vp) \
- vn_trace_ref(vp, __FILE__, __LINE__, (inst_t *)__return_address)
+#define vn_trace_entry(vp) \
+ __vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address)
+#define vn_trace_exit(vp) \
+ __vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address)
#else
-#define vn_trace_entry(a,b,c)
-#define vn_trace_exit(a,b,c)
+#define vn_trace_entry(a)
+#define vn_trace_exit(a)
#define vn_trace_hold(a,b,c,d)
#define vn_trace_ref(a,b,c,d)
#define vn_trace_rele(a,b,c,d)
-#define VN_TRACE(vp)
#endif
#endif /* __XFS_VNODE_H__ */
Index: xfs-linux-clean/xfs_iget.c
===================================================================
--- xfs-linux-clean.orig/xfs_iget.c
+++ xfs-linux-clean/xfs_iget.c
@@ -268,7 +268,7 @@ again:
goto again;
}
- vn_trace_exit(vp, "xfs_iget.alloc",
+ __vn_trace_exit(vp, "xfs_iget.alloc",
(inst_t *)__return_address);
XFS_STATS_INC(xs_ig_found);
@@ -328,7 +328,7 @@ finish_inode:
xfs_ilock(ip, lock_flags);
xfs_iflags_clear(ip, XFS_ISTALE);
- vn_trace_exit(vp, "xfs_iget.found",
+ __vn_trace_exit(vp, "xfs_iget.found",
(inst_t *)__return_address);
goto return_ip;
}
@@ -353,7 +353,7 @@ finish_inode:
if (error)
return error;
- vn_trace_exit(vp, "xfs_iget.alloc", (inst_t *)__return_address);
+ __vn_trace_exit(vp, "xfs_iget.alloc", (inst_t *)__return_address);
xfs_inode_lock_init(ip, vp);
xfs_iocore_inode_init(ip);
@@ -629,7 +629,7 @@ xfs_iput(xfs_inode_t *ip,
{
bhv_vnode_t *vp = XFS_ITOV(ip);
- vn_trace_entry(vp, "xfs_iput", (inst_t *)__return_address);
+ vn_trace_entry(vp);
xfs_iunlock(ip, lock_flags);
VN_RELE(vp);
}
@@ -644,7 +644,7 @@ xfs_iput_new(xfs_inode_t *ip,
bhv_vnode_t *vp = XFS_ITOV(ip);
struct inode *inode = vn_to_inode(vp);
- vn_trace_entry(vp, "xfs_iput_new", (inst_t *)__return_address);
+ vn_trace_entry(vp);
if ((ip->i_d.di_mode == 0)) {
ASSERT(!xfs_iflags_test(ip, XFS_IRECLAIMABLE));
Index: xfs-linux-clean/xfs_rename.c
===================================================================
--- xfs-linux-clean.orig/xfs_rename.c
+++ xfs-linux-clean/xfs_rename.c
@@ -249,8 +249,8 @@ xfs_rename(
int target_namelen = VNAMELEN(target_vname);
src_dir_vp = BHV_TO_VNODE(src_dir_bdp);
- vn_trace_entry(src_dir_vp, "xfs_rename", (inst_t *)__return_address);
- vn_trace_entry(target_dir_vp, "xfs_rename", (inst_t *)__return_address);
+ vn_trace_entry(src_dir_vp);
+ vn_trace_entry(target_dir_vp);
/*
* Find the XFS behavior descriptor for the target directory
Index: xfs-linux-clean/xfs_utils.c
===================================================================
--- xfs-linux-clean.orig/xfs_utils.c
+++ xfs-linux-clean/xfs_utils.c
@@ -76,7 +76,7 @@ xfs_dir_lookup_int(
int error;
dir_vp = BHV_TO_VNODE(dir_bdp);
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
dp = XFS_BHVTOI(dir_bdp);
Index: xfs-linux-clean/xfs_vnodeops.c
===================================================================
--- xfs-linux-clean.orig/xfs_vnodeops.c
+++ xfs-linux-clean/xfs_vnodeops.c
@@ -92,7 +92,7 @@ xfs_getattr(
bhv_vnode_t *vp;
vp = BHV_TO_VNODE(bdp);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
ip = XFS_BHVTOI(bdp);
mp = ip->i_mount;
@@ -237,7 +237,7 @@ xfs_setattr(
int need_iolock = 1;
vp = BHV_TO_VNODE(bdp);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
if (vp->v_vfsp->vfs_flag & VFS_RDONLY)
return XFS_ERROR(EROFS);
@@ -907,8 +907,7 @@ xfs_access(
xfs_inode_t *ip;
int error;
- vn_trace_entry(BHV_TO_VNODE(bdp), __FUNCTION__,
- (inst_t *)__return_address);
+ vn_trace_entry(BHV_TO_VNODE(bdp));
ip = XFS_BHVTOI(bdp);
xfs_ilock(ip, XFS_ILOCK_SHARED);
@@ -951,7 +950,7 @@ xfs_readlink(
xfs_buf_t *bp;
vp = BHV_TO_VNODE(bdp);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
ip = XFS_BHVTOI(bdp);
mp = ip->i_mount;
@@ -1046,8 +1045,7 @@ xfs_fsync(
int error;
int log_flushed = 0, changed = 1;
- vn_trace_entry(BHV_TO_VNODE(bdp),
- __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(BHV_TO_VNODE(bdp));
ip = XFS_BHVTOI(bdp);
@@ -1601,7 +1599,7 @@ xfs_inactive(
int truncate;
vp = BHV_TO_VNODE(bdp);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
ip = XFS_BHVTOI(bdp);
@@ -1825,7 +1823,7 @@ xfs_lookup(
bhv_vnode_t *dir_vp;
dir_vp = BHV_TO_VNODE(dir_bdp);
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
dp = XFS_BHVTOI(dir_bdp);
@@ -1876,7 +1874,7 @@ xfs_create(
ASSERT(!*vpp);
dir_vp = BHV_TO_VNODE(dir_bdp);
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
dp = XFS_BHVTOI(dir_bdp);
mp = dp->i_mount;
@@ -2370,7 +2368,7 @@ xfs_remove(
int namelen;
dir_vp = BHV_TO_VNODE(dir_bdp);
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
dp = XFS_BHVTOI(dir_bdp);
mp = dp->i_mount;
@@ -2416,7 +2414,7 @@ xfs_remove(
dm_di_mode = ip->i_d.di_mode;
- vn_trace_entry(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(XFS_ITOV(ip));
ITRACE(ip);
@@ -2541,7 +2539,7 @@ xfs_remove(
*/
xfs_refcache_purge_ip(ip);
- vn_trace_exit(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_exit(XFS_ITOV(ip));
/*
* Let interposed file systems know about removed links.
@@ -2618,8 +2616,8 @@ xfs_link(
int target_namelen;
target_dir_vp = BHV_TO_VNODE(target_dir_bdp);
- vn_trace_entry(target_dir_vp, __FUNCTION__, (inst_t *)__return_address);
- vn_trace_entry(src_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(target_dir_vp);
+ vn_trace_entry(src_vp);
target_namelen = VNAMELEN(dentry);
ASSERT(!VN_ISDIR(src_vp));
@@ -2818,7 +2816,7 @@ xfs_mkdir(
/* Return through std_return after this point. */
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
mp = dp->i_mount;
udqp = gdqp = NULL;
@@ -3023,7 +3021,7 @@ xfs_rmdir(
dp = XFS_BHVTOI(dir_bdp);
mp = dp->i_mount;
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
if (XFS_FORCED_SHUTDOWN(XFS_BHVTOI(dir_bdp)->i_mount))
return XFS_ERROR(EIO);
@@ -3259,8 +3257,7 @@ xfs_readdir(
int error = 0;
uint lock_mode;
- vn_trace_entry(BHV_TO_VNODE(dir_bdp), __FUNCTION__,
- (inst_t *)__return_address);
+ vn_trace_entry(BHV_TO_VNODE(dir_bdp));
dp = XFS_BHVTOI(dir_bdp);
if (XFS_FORCED_SHUTDOWN(dp->i_mount))
@@ -3317,7 +3314,7 @@ xfs_symlink(
ip = NULL;
tp = NULL;
- vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(dir_vp);
mp = dp->i_mount;
@@ -3608,8 +3605,7 @@ xfs_fid2(
xfs_inode_t *ip;
xfs_fid2_t *xfid;
- vn_trace_entry(BHV_TO_VNODE(bdp), __FUNCTION__,
- (inst_t *)__return_address);
+ vn_trace_entry(BHV_TO_VNODE(bdp));
ASSERT(sizeof(fid_t) >= sizeof(xfs_fid2_t));
xfid = (xfs_fid2_t *)fidp;
@@ -3821,7 +3817,7 @@ xfs_reclaim(
vp = BHV_TO_VNODE(bdp);
ip = XFS_BHVTOI(bdp);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
ASSERT(!VN_MAPPED(vp));
@@ -4037,7 +4033,7 @@ xfs_alloc_file_space(
int committed;
int error;
- vn_trace_entry(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(XFS_ITOV(ip));
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
@@ -4308,7 +4304,7 @@ xfs_free_file_space(
vp = XFS_ITOV(ip);
mp = ip->i_mount;
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
if ((error = XFS_QM_DQATTACH(mp, ip, 0)))
return error;
@@ -4514,7 +4510,7 @@ xfs_change_file_space(
bhv_vnode_t *vp;
vp = BHV_TO_VNODE(bdp);
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+ vn_trace_entry(vp);
ip = XFS_BHVTOI(bdp);
mp = ip->i_mount;
Index: xfs-linux-clean/linux-2.4/xfs_ksyms.c
===================================================================
--- xfs-linux-clean.orig/linux-2.4/xfs_ksyms.c
+++ xfs-linux-clean/linux-2.4/xfs_ksyms.c
@@ -82,8 +82,8 @@ EXPORT_SYMBOL(ktrace_next);
#ifdef XFS_VNODE_TRACE
EXPORT_SYMBOL(vn_trace_ref);
-EXPORT_SYMBOL(vn_trace_entry);
-EXPORT_SYMBOL(vn_trace_exit);
+EXPORT_SYMBOL(__vn_trace_entry);
+EXPORT_SYMBOL(__vn_trace_exit);
EXPORT_SYMBOL(vn_trace_hold);
EXPORT_SYMBOL(vn_trace_rele);
#endif
Index: xfs-linux-clean/linux-2.6/xfs_ksyms.c
===================================================================
--- xfs-linux-clean.orig/linux-2.6/xfs_ksyms.c
+++ xfs-linux-clean/linux-2.6/xfs_ksyms.c
@@ -82,8 +82,8 @@ EXPORT_SYMBOL(ktrace_next);
#ifdef XFS_VNODE_TRACE
EXPORT_SYMBOL(vn_trace_ref);
-EXPORT_SYMBOL(vn_trace_entry);
-EXPORT_SYMBOL(vn_trace_exit);
+EXPORT_SYMBOL(__vn_trace_entry);
+EXPORT_SYMBOL(__vn_trace_exit);
EXPORT_SYMBOL(vn_trace_hold);
EXPORT_SYMBOL(vn_trace_rele);
#endif
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