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[XFS] move v_trace from bhv_vnode to xfs_inode

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struct bhv_vnode is on it's way out, so move the trace buffer to the XFS
inode. Note that this makes the tracing macros rather misnamed, but this
kind of fallout will be fixed up incrementally later on.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29498a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig 2007-08-29 11:46:47 +10:00 • committed by Tim Shimmin
commit 1543d79c45
13 changed files with 92 additions and 87 deletions
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2
fs/xfs/linux-2.6/xfs_aops.c
View file

@ -1526,7 +1526,7 @@ xfs_vm_bmap(
struct inode *inode = (struct inode *)mapping->host;
struct xfs_inode *ip = XFS_I(inode);
vn_trace_entry(vn_from_inode(inode), __FUNCTION__,
vn_trace_entry(XFS_I(inode), __FUNCTION__,
(inst_t *)__return_address);
xfs_rwlock(ip, VRWLOCK_READ);
xfs_flush_pages(ip, (xfs_off_t)0, -1, 0, FI_REMAPF);

2
fs/xfs/linux-2.6/xfs_ioctl.c
View file

@ -733,7 +733,7 @@ xfs_ioctl(
xfs_mount_t *mp = ip->i_mount;
int error;
vn_trace_entry(vp, "xfs_ioctl", (inst_t *)__return_address);
vn_trace_entry(XFS_I(inode), "xfs_ioctl", (inst_t *)__return_address);
switch (cmd) {

36
fs/xfs/linux-2.6/xfs_super.c
View file

@ -403,7 +403,7 @@ xfs_fs_write_inode(
{
int error = 0, flags = FLUSH_INODE;
vn_trace_entry(vn_from_inode(inode), __FUNCTION__,
vn_trace_entry(XFS_I(inode), __FUNCTION__,
(inst_t *)__return_address);
if (sync) {
filemap_fdatawait(inode->i_mapping);
@ -425,34 +425,27 @@ STATIC void
xfs_fs_clear_inode(
struct inode *inode)
{
bhv_vnode_t *vp = vn_from_inode(inode);
vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
XFS_STATS_INC(vn_reclaim);
XFS_STATS_DEC(vn_active);
xfs_inode_t *ip = XFS_I(inode);
/*
* This can happen because xfs_iget_core calls xfs_idestroy if we
* ip can be null when xfs_iget_core calls xfs_idestroy if we
* find an inode with di_mode == 0 but without IGET_CREATE set.
*/
if (XFS_I(inode))
xfs_inactive(XFS_I(inode));
if (ip) {
vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
XFS_STATS_INC(vn_reclaim);
XFS_STATS_DEC(vn_active);
if (XFS_I(inode)) {
xfs_iflags_clear(XFS_I(inode), XFS_IMODIFIED);
if (xfs_reclaim(XFS_I(inode)))
panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, vp);
xfs_inactive(ip);
xfs_iflags_clear(ip, XFS_IMODIFIED);
if (xfs_reclaim(ip))
panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, inode);
}
ASSERT(XFS_I(inode) == NULL);
#ifdef XFS_VNODE_TRACE
ktrace_free(vp->v_trace);
#endif
}
/*
@ -840,7 +833,8 @@ 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(XFS_I(sb->s_root->d_inode), __FUNCTION__,
(inst_t *)__return_address);
kmem_free(args, sizeof(*args));
return 0;

46
fs/xfs/linux-2.6/xfs_vnode.c
View file

@ -103,11 +103,6 @@ vn_initialize(
ASSERT(VN_CACHED(vp) == 0);
#ifdef XFS_VNODE_TRACE
vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif /* XFS_VNODE_TRACE */
vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address);
return vp;
}
@ -158,7 +153,7 @@ __vn_revalidate(
{
int error;
vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
vn_trace_entry(xfs_vtoi(vp), __FUNCTION__, (inst_t *)__return_address);
vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS;
error = xfs_getattr(xfs_vtoi(vp), vattr, 0);
if (likely(!error)) {
@ -196,12 +191,25 @@ vn_hold(
#ifdef XFS_VNODE_TRACE
#define KTRACE_ENTER(vp, vk, s, line, ra) \
ktrace_enter( (vp)->v_trace, \
/*
* Reference count of Linux inode if present, -1 if the xfs_inode
* has no associated Linux inode.
*/
static inline int xfs_icount(struct xfs_inode *ip)
{
bhv_vnode_t *vp = XFS_ITOV_NULL(ip);
if (vp)
return vn_count(vp);
return -1;
}
#define KTRACE_ENTER(ip, vk, s, line, ra) \
ktrace_enter( (ip)->i_trace, \
/* 0 */ (void *)(__psint_t)(vk), \
/* 1 */ (void *)(s), \
/* 2 */ (void *)(__psint_t) line, \
/* 3 */ (void *)(__psint_t)(vn_count(vp)), \
/* 3 */ (void *)(__psint_t)xfs_icount(ip), \
/* 4 */ (void *)(ra), \
/* 5 */ NULL, \
/* 6 */ (void *)(__psint_t)current_cpu(), \
@ -213,32 +221,32 @@ vn_hold(
* Vnode tracing code.
*/
void
vn_trace_entry(bhv_vnode_t *vp, const char *func, inst_t *ra)
vn_trace_entry(xfs_inode_t *ip, const char *func, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_ENTRY, func, 0, ra);
KTRACE_ENTER(ip, VNODE_KTRACE_ENTRY, func, 0, ra);
}
void
vn_trace_exit(bhv_vnode_t *vp, const char *func, inst_t *ra)
vn_trace_exit(xfs_inode_t *ip, const char *func, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_EXIT, func, 0, ra);
KTRACE_ENTER(ip, VNODE_KTRACE_EXIT, func, 0, ra);
}
void
vn_trace_hold(bhv_vnode_t *vp, char *file, int line, inst_t *ra)
vn_trace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_HOLD, file, line, ra);
KTRACE_ENTER(ip, VNODE_KTRACE_HOLD, file, line, ra);
}
void
vn_trace_ref(bhv_vnode_t *vp, char *file, int line, inst_t *ra)
vn_trace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_REF, file, line, ra);
KTRACE_ENTER(ip, VNODE_KTRACE_REF, file, line, ra);
}
void
vn_trace_rele(bhv_vnode_t *vp, char *file, int line, inst_t *ra)
vn_trace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra)
{
KTRACE_ENTER(vp, VNODE_KTRACE_RELE, file, line, ra);
KTRACE_ENTER(ip, VNODE_KTRACE_RELE, file, line, ra);
}
#endif /* XFS_VNODE_TRACE */

21
fs/xfs/linux-2.6/xfs_vnode.h
View file

@ -29,9 +29,6 @@ typedef __u64 bhv_vnumber_t;
typedef struct bhv_vnode {
bhv_vnumber_t v_number; /* in-core vnode number */
#ifdef XFS_VNODE_TRACE
struct ktrace *v_trace; /* trace header structure */
#endif
struct inode v_inode; /* Linux inode */
/* inode MUST be last */
} bhv_vnode_t;
@ -222,9 +219,9 @@ extern bhv_vnode_t *vn_hold(struct bhv_vnode *);
#if defined(XFS_VNODE_TRACE)
#define VN_HOLD(vp) \
((void)vn_hold(vp), \
vn_trace_hold(vp, __FILE__, __LINE__, (inst_t *)__return_address))
vn_trace_hold(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address))
#define VN_RELE(vp) \
(vn_trace_rele(vp, __FILE__, __LINE__, (inst_t *)__return_address), \
(vn_trace_rele(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address), \
iput(vn_to_inode(vp)))
#else
#define VN_HOLD(vp) ((void)vn_hold(vp))
@ -314,21 +311,17 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
#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_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)
extern void vn_trace_entry(struct xfs_inode *, const char *, inst_t *);
extern void vn_trace_exit(struct xfs_inode *, const char *, inst_t *);
extern void vn_trace_hold(struct xfs_inode *, char *, int, inst_t *);
extern void vn_trace_ref(struct xfs_inode *, char *, int, inst_t *);
extern void vn_trace_rele(struct xfs_inode *, char *, int, inst_t *);
#else
#define vn_trace_entry(a,b,c)
#define vn_trace_exit(a,b,c)
#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__ */