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authorChristoph Hellwig <hch@infradead.org>2011-04-24 23:06:16 +0400
committerAlex Elder <aelder@sgi.com>2011-04-28 22:18:04 +0400
commit97d3ac75e5e0ebf7ca38ae74cebd201c09b97ab2 (patch)
treee08af7a4bbb93c22dfeb1bcb2d3caf83aef717c9 /fs/xfs/linux-2.6/xfs_trace.h
parente26f0501cf743a4289603501413f97ffcb4612f2 (diff)
downloadlinux-97d3ac75e5e0ebf7ca38ae74cebd201c09b97ab2.tar.xz
xfs: exact busy extent tracking
Update the extent tree in case we have to reuse a busy extent, so that it always is kept uptodate. This is done by replacing the busy list searches with a new xfs_alloc_busy_reuse helper, which updates the busy extent tree in case of a reuse. This allows us to allow reusing metadata extents unconditionally, and thus avoid log forces especially for allocation btree blocks. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_trace.h')
-rw-r--r--fs/xfs/linux-2.6/xfs_trace.h79
1 files changed, 11 insertions, 68 deletions
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index e5252c4d95c9..37df9ad7fd1a 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -1151,44 +1151,7 @@ TRACE_EVENT(xfs_bunmap,
);
-#define XFS_BUSY_SYNC \
- { 0, "async" }, \
- { 1, "sync" }
-
-TRACE_EVENT(xfs_alloc_busy,
- TP_PROTO(struct xfs_trans *trans, xfs_agnumber_t agno,
- xfs_agblock_t agbno, xfs_extlen_t len, int sync),
- TP_ARGS(trans, agno, agbno, len, sync),
- TP_STRUCT__entry(
- __field(dev_t, dev)
- __field(struct xfs_trans *, tp)
- __field(int, tid)
- __field(xfs_agnumber_t, agno)
- __field(xfs_agblock_t, agbno)
- __field(xfs_extlen_t, len)
- __field(int, sync)
- ),
- TP_fast_assign(
- __entry->dev = trans->t_mountp->m_super->s_dev;
- __entry->tp = trans;
- __entry->tid = trans->t_ticket->t_tid;
- __entry->agno = agno;
- __entry->agbno = agbno;
- __entry->len = len;
- __entry->sync = sync;
- ),
- TP_printk("dev %d:%d trans 0x%p tid 0x%x agno %u agbno %u len %u %s",
- MAJOR(__entry->dev), MINOR(__entry->dev),
- __entry->tp,
- __entry->tid,
- __entry->agno,
- __entry->agbno,
- __entry->len,
- __print_symbolic(__entry->sync, XFS_BUSY_SYNC))
-
-);
-
-TRACE_EVENT(xfs_alloc_unbusy,
+DECLARE_EVENT_CLASS(xfs_busy_class,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agblock_t agbno, xfs_extlen_t len),
TP_ARGS(mp, agno, agbno, len),
@@ -1210,36 +1173,16 @@ TRACE_EVENT(xfs_alloc_unbusy,
__entry->agbno,
__entry->len)
);
-
-#define XFS_BUSY_STATES \
- { 0, "missing" }, \
- { 1, "found" }
-
-TRACE_EVENT(xfs_alloc_busysearch,
- TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
- xfs_agblock_t agbno, xfs_extlen_t len, int found),
- TP_ARGS(mp, agno, agbno, len, found),
- TP_STRUCT__entry(
- __field(dev_t, dev)
- __field(xfs_agnumber_t, agno)
- __field(xfs_agblock_t, agbno)
- __field(xfs_extlen_t, len)
- __field(int, found)
- ),
- TP_fast_assign(
- __entry->dev = mp->m_super->s_dev;
- __entry->agno = agno;
- __entry->agbno = agbno;
- __entry->len = len;
- __entry->found = found;
- ),
- TP_printk("dev %d:%d agno %u agbno %u len %u %s",
- MAJOR(__entry->dev), MINOR(__entry->dev),
- __entry->agno,
- __entry->agbno,
- __entry->len,
- __print_symbolic(__entry->found, XFS_BUSY_STATES))
-);
+#define DEFINE_BUSY_EVENT(name) \
+DEFINE_EVENT(xfs_busy_class, name, \
+ TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \
+ xfs_agblock_t agbno, xfs_extlen_t len), \
+ TP_ARGS(mp, agno, agbno, len))
+DEFINE_BUSY_EVENT(xfs_alloc_busy);
+DEFINE_BUSY_EVENT(xfs_alloc_busy_enomem);
+DEFINE_BUSY_EVENT(xfs_alloc_busy_force);
+DEFINE_BUSY_EVENT(xfs_alloc_busy_reuse);
+DEFINE_BUSY_EVENT(xfs_alloc_busy_clear);
TRACE_EVENT(xfs_alloc_busy_trim,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,