#include "xfs_inode_item.h"
#include "xfs_bmap.h"
#include "xfs_btree_trace.h"
-#include "xfs_dir2_trace.h"
+#include "xfs_trace.h"
/*
ASSERT(!spin_is_locked(&ip->i_flags_lock));
ASSERT(completion_done(&ip->i_flush));
+ mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino);
+
/* initialise the xfs inode */
ip->i_ino = ino;
ip->i_mount = mp;
ip->i_size = 0;
ip->i_new_size = 0;
- /*
- * Initialize inode's trace buffers.
- */
-#ifdef XFS_INODE_TRACE
- ip->i_trace = ktrace_alloc(INODE_TRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_BMAP_TRACE
- ip->i_xtrace = ktrace_alloc(XFS_BMAP_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_BTREE_TRACE
- ip->i_btrace = ktrace_alloc(XFS_BMBT_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_RW_TRACE
- ip->i_rwtrace = ktrace_alloc(XFS_RW_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_ILOCK_TRACE
- ip->i_lock_trace = ktrace_alloc(XFS_ILOCK_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_DIR2_TRACE
- ip->i_dir_trace = ktrace_alloc(XFS_DIR2_KTRACE_SIZE, KM_NOFS);
-#endif
-
/* prevent anyone from using this yet */
- VFS_I(ip)->i_state = I_NEW|I_LOCK;
+ VFS_I(ip)->i_state = I_NEW;
return ip;
}
if (ip->i_afp)
xfs_idestroy_fork(ip, XFS_ATTR_FORK);
-#ifdef XFS_INODE_TRACE
- ktrace_free(ip->i_trace);
-#endif
-#ifdef XFS_BMAP_TRACE
- ktrace_free(ip->i_xtrace);
-#endif
-#ifdef XFS_BTREE_TRACE
- ktrace_free(ip->i_btrace);
-#endif
-#ifdef XFS_RW_TRACE
- ktrace_free(ip->i_rwtrace);
-#endif
-#ifdef XFS_ILOCK_TRACE
- ktrace_free(ip->i_lock_trace);
-#endif
-#ifdef XFS_DIR2_TRACE
- ktrace_free(ip->i_dir_trace);
-#endif
-
if (ip->i_itemp) {
/*
* Only if we are shutting down the fs will we see an
* instead of polling for it.
*/
if (ip->i_flags & (XFS_INEW|XFS_IRECLAIM)) {
+ trace_xfs_iget_skip(ip);
XFS_STATS_INC(xs_ig_frecycle);
error = EAGAIN;
goto out_error;
* Need to carefully get it back into useable state.
*/
if (ip->i_flags & XFS_IRECLAIMABLE) {
- xfs_itrace_exit_tag(ip, "xfs_iget.alloc");
+ trace_xfs_iget_reclaim(ip);
/*
* We need to set XFS_INEW atomically with clearing the
ip->i_flags &= ~XFS_INEW;
ip->i_flags |= XFS_IRECLAIMABLE;
__xfs_inode_set_reclaim_tag(pag, ip);
+ trace_xfs_iget_reclaim(ip);
goto out_error;
}
- inode->i_state = I_LOCK|I_NEW;
+ inode->i_state = I_NEW;
} else {
/* If the VFS inode is being torn down, pause and try again. */
if (!igrab(inode)) {
xfs_ilock(ip, lock_flags);
xfs_iflags_clear(ip, XFS_ISTALE);
- xfs_itrace_exit_tag(ip, "xfs_iget.found");
XFS_STATS_INC(xs_ig_found);
+
+ trace_xfs_iget_found(ip);
return 0;
out_error:
struct xfs_inode **ipp,
xfs_daddr_t bno,
int flags,
- int lock_flags) __releases(pag->pag_ici_lock)
+ int lock_flags)
{
struct xfs_inode *ip;
int error;
if (error)
goto out_destroy;
- xfs_itrace_exit_tag(ip, "xfs_iget.alloc");
+ xfs_itrace_entry(ip);
if ((ip->i_d.di_mode == 0) && !(flags & XFS_IGET_CREATE)) {
error = ENOENT;
write_unlock(&pag->pag_ici_lock);
radix_tree_preload_end();
+
+ trace_xfs_iget_alloc(ip);
*ipp = ip;
return 0;
return error;
}
-
-/*
- * Look for the inode corresponding to the given ino in the hash table.
- * If it is there and its i_transp pointer matches tp, return it.
- * Otherwise, return NULL.
- */
-xfs_inode_t *
-xfs_inode_incore(xfs_mount_t *mp,
- xfs_ino_t ino,
- xfs_trans_t *tp)
-{
- xfs_inode_t *ip;
- xfs_perag_t *pag;
-
- pag = xfs_get_perag(mp, ino);
- read_lock(&pag->pag_ici_lock);
- ip = radix_tree_lookup(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ino));
- read_unlock(&pag->pag_ici_lock);
- xfs_put_perag(mp, pag);
-
- /* the returned inode must match the transaction */
- if (ip && (ip->i_transp != tp))
- return NULL;
- return ip;
-}
-
/*
* Decrement reference count of an inode structure and unlock it.
*
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_perag *pag;
+ xfs_agino_t agino = XFS_INO_TO_AGINO(mp, ip->i_ino);
XFS_STATS_INC(xs_ig_reclaims);
/*
- * Remove the inode from the per-AG radix tree. It doesn't matter
- * if it was never added to it because radix_tree_delete can deal
- * with that case just fine.
+ * Remove the inode from the per-AG radix tree.
+ *
+ * Because radix_tree_delete won't complain even if the item was never
+ * added to the tree assert that it's been there before to catch
+ * problems with the inode life time early on.
*/
pag = xfs_get_perag(mp, ip->i_ino);
write_lock(&pag->pag_ici_lock);
- radix_tree_delete(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino));
+ if (!radix_tree_delete(&pag->pag_ici_root, agino))
+ ASSERT(0);
write_unlock(&pag->pag_ici_lock);
xfs_put_perag(mp, pag);
else if (lock_flags & XFS_ILOCK_SHARED)
mraccess_nested(&ip->i_lock, XFS_ILOCK_DEP(lock_flags));
- xfs_ilock_trace(ip, 1, lock_flags, (inst_t *)__return_address);
+ trace_xfs_ilock(ip, lock_flags, _RET_IP_);
}
/*
if (!mrtryaccess(&ip->i_lock))
goto out_undo_iolock;
}
- xfs_ilock_trace(ip, 2, lock_flags, (inst_t *)__return_address);
+ trace_xfs_ilock_nowait(ip, lock_flags, _RET_IP_);
return 1;
out_undo_iolock:
xfs_trans_unlocked_item(ip->i_itemp->ili_item.li_ailp,
(xfs_log_item_t*)(ip->i_itemp));
}
- xfs_ilock_trace(ip, 3, lock_flags, (inst_t *)__return_address);
+ trace_xfs_iunlock(ip, lock_flags, _RET_IP_);
}
/*
mrdemote(&ip->i_lock);
if (lock_flags & XFS_IOLOCK_EXCL)
mrdemote(&ip->i_iolock);
+
+ trace_xfs_ilock_demote(ip, lock_flags, _RET_IP_);
}
#ifdef DEBUG
return 1;
}
#endif
-
-#ifdef XFS_INODE_TRACE
-
-#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)atomic_read(&VFS_I(ip)->i_count), \
-/* 4 */ (void *)(ra), \
-/* 5 */ NULL, \
-/* 6 */ (void *)(__psint_t)current_cpu(), \
-/* 7 */ (void *)(__psint_t)current_pid(), \
-/* 8 */ (void *)__return_address, \
-/* 9 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL)
-
-/*
- * Vnode tracing code.
- */
-void
-_xfs_itrace_entry(xfs_inode_t *ip, const char *func, inst_t *ra)
-{
- KTRACE_ENTER(ip, INODE_KTRACE_ENTRY, func, 0, ra);
-}
-
-void
-_xfs_itrace_exit(xfs_inode_t *ip, const char *func, inst_t *ra)
-{
- KTRACE_ENTER(ip, INODE_KTRACE_EXIT, func, 0, ra);
-}
-
-void
-xfs_itrace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra)
-{
- KTRACE_ENTER(ip, INODE_KTRACE_HOLD, file, line, ra);
-}
-
-void
-_xfs_itrace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra)
-{
- KTRACE_ENTER(ip, INODE_KTRACE_REF, file, line, ra);
-}
-
-void
-xfs_itrace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra)
-{
- KTRACE_ENTER(ip, INODE_KTRACE_RELE, file, line, ra);
-}
-#endif /* XFS_INODE_TRACE */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff