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[PATCH] simplify vnode tracing calls

To: xfs-oss <xfs@xxxxxxxxxxx>
Subject: [PATCH] simplify vnode tracing calls
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Mon, 25 Jun 2007 00:19:15 -0500
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Thunderbird 2.0.0.0 (Macintosh/20070326)
Don't think I've sent this one yet... :)

 linux-2.4/xfs_aops.c  |    2 +-
 linux-2.4/xfs_ioctl.c |    2 +-
 linux-2.4/xfs_super.c |    6 +++---
 linux-2.4/xfs_vnode.c |    4 ++--
 linux-2.4/xfs_vnode.h |   11 ++++++-----
 linux-2.6/xfs_aops.c  |    2 +-
 linux-2.6/xfs_ioctl.c |    2 +-
 linux-2.6/xfs_super.c |    6 +++---
 linux-2.6/xfs_vnode.c |    4 ++--
 linux-2.6/xfs_vnode.h |   11 ++++++-----
 xfs_iget.c            |    4 ++--
 xfs_rename.c          |    4 ++--
 xfs_utils.c           |    2 +-
 xfs_vnodeops.c        |   48 ++++++++++++++++++++++--------------------------
 14 files changed, 53 insertions(+), 55 deletions(-)

Simplify vnode tracing calls by embedding function name & return addr
in the calling macro.

Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxxx>

Index: linux/fs/xfs/linux-2.4/xfs_aops.c
===================================================================
--- linux.orig/fs/xfs/linux-2.4/xfs_aops.c
+++ linux/fs/xfs/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: linux/fs/xfs/linux-2.4/xfs_ioctl.c
===================================================================
--- linux.orig/fs/xfs/linux-2.4/xfs_ioctl.c
+++ linux/fs/xfs/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: linux/fs/xfs/linux-2.4/xfs_super.c
===================================================================
--- linux.orig/fs/xfs/linux-2.4/xfs_super.c
+++ linux/fs/xfs/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: linux/fs/xfs/linux-2.4/xfs_vnode.c
===================================================================
--- linux.orig/fs/xfs/linux-2.4/xfs_vnode.c
+++ linux/fs/xfs/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;
Index: linux/fs/xfs/linux-2.4/xfs_vnode.h
===================================================================
--- linux.orig/fs/xfs/linux-2.4/xfs_vnode.h
+++ linux/fs/xfs/linux-2.4/xfs_vnode.h
@@ -572,15 +572,16 @@ extern void vn_trace_hold(struct bhv_vno
 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: linux/fs/xfs/linux-2.6/xfs_aops.c
===================================================================
--- linux.orig/fs/xfs/linux-2.6/xfs_aops.c
+++ linux/fs/xfs/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: linux/fs/xfs/linux-2.6/xfs_ioctl.c
===================================================================
--- linux.orig/fs/xfs/linux-2.6/xfs_ioctl.c
+++ linux/fs/xfs/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: linux/fs/xfs/linux-2.6/xfs_super.c
===================================================================
--- linux.orig/fs/xfs/linux-2.6/xfs_super.c
+++ linux/fs/xfs/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: linux/fs/xfs/linux-2.6/xfs_vnode.c
===================================================================
--- linux.orig/fs/xfs/linux-2.6/xfs_vnode.c
+++ linux/fs/xfs/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)) {
Index: linux/fs/xfs/linux-2.6/xfs_vnode.h
===================================================================
--- linux.orig/fs/xfs/linux-2.6/xfs_vnode.h
+++ linux/fs/xfs/linux-2.6/xfs_vnode.h
@@ -587,15 +587,16 @@ extern void vn_trace_hold(struct bhv_vno
 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: linux/fs/xfs/xfs_iget.c
===================================================================
--- linux.orig/fs/xfs/xfs_iget.c
+++ linux/fs/xfs/xfs_iget.c
@@ -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: linux/fs/xfs/xfs_rename.c
===================================================================
--- linux.orig/fs/xfs/xfs_rename.c
+++ linux/fs/xfs/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: linux/fs/xfs/xfs_utils.c
===================================================================
--- linux.orig/fs/xfs/xfs_utils.c
+++ linux/fs/xfs/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: linux/fs/xfs/xfs_vnodeops.c
===================================================================
--- linux.orig/fs/xfs/xfs_vnodeops.c
+++ linux/fs/xfs/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;



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