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authorDave Chinner <david@fromorbit.com>2010-01-11 14:47:46 +0300
committerAlex Elder <aelder@sgi.com>2010-01-16 00:34:12 +0300
commit0fa800fbd549736dfdc1d7761f87e33dc8cd973b (patch)
tree3940f2f5bc4bb3bec888f7ef9ed8a8c875e02695 /fs/xfs/xfs_ag.h
parentaed3bb90abaf0b42e8c8747e192f7bb97f445279 (diff)
downloadlinux-0fa800fbd549736dfdc1d7761f87e33dc8cd973b.tar.xz
xfs: Add trace points for per-ag refcount debugging.
Uninline xfs_perag_{get,put} so that tracepoints can be inserted into them to speed debugging of reference count problems. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_ag.h')
-rw-r--r--fs/xfs/xfs_ag.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 18ae43f4255d..963bc2700bf7 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -197,6 +197,8 @@ typedef struct xfs_perag_busy {
#endif
typedef struct xfs_perag {
+ struct xfs_mount *pag_mount; /* owner filesystem */
+ xfs_agnumber_t pag_agno; /* AG this structure belongs to */
atomic_t pag_ref; /* perag reference count */
char pagf_init; /* this agf's entry is initialized */
char pagi_init; /* this agi's entry is initialized */