From: Christoph Hellwig <hch@xxxxxx> Trace points never modify their arguments. Mark all the pag objects passed to trace points. The exception is the xfs_ag_resv_class, which uses the xfs_perag_resv helper that can't be marked const due to other users modifying the returned structure. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> --- fs/xfs/scrub/trace.h | 34 +++++++++++++++++++--------------- fs/xfs/xfs_trace.h | 19 ++++++++++--------- 2 files changed, 29 insertions(+), 24 deletions(-) diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h index 5eff6186724d4a..ae8b850fdd85ae 100644 --- a/fs/xfs/scrub/trace.h +++ b/fs/xfs/scrub/trace.h @@ -922,7 +922,8 @@ DEFINE_XCHK_FSFREEZE_EVENT(xchk_fsfreeze); DEFINE_XCHK_FSFREEZE_EVENT(xchk_fsthaw); TRACE_EVENT(xchk_refcount_incorrect, - TP_PROTO(struct xfs_perag *pag, const struct xfs_refcount_irec *irec, + TP_PROTO(const struct xfs_perag *pag, + const struct xfs_refcount_irec *irec, xfs_nlink_t seen), TP_ARGS(pag, irec, seen), TP_STRUCT__entry( @@ -1918,7 +1919,8 @@ TRACE_EVENT(xchk_dirtree_live_update, #if IS_ENABLED(CONFIG_XFS_ONLINE_REPAIR) DECLARE_EVENT_CLASS(xrep_extent_class, - TP_PROTO(struct xfs_perag *pag, xfs_agblock_t agbno, xfs_extlen_t len), + TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, + xfs_extlen_t len), TP_ARGS(pag, agbno, len), TP_STRUCT__entry( __field(dev_t, dev) @@ -1940,7 +1942,8 @@ DECLARE_EVENT_CLASS(xrep_extent_class, ); #define DEFINE_REPAIR_EXTENT_EVENT(name) \ DEFINE_EVENT(xrep_extent_class, name, \ - TP_PROTO(struct xfs_perag *pag, xfs_agblock_t agbno, xfs_extlen_t len), \ + TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, \ + xfs_extlen_t len), \ TP_ARGS(pag, agbno, len)) DEFINE_REPAIR_EXTENT_EVENT(xreap_dispose_unmap_extent); DEFINE_REPAIR_EXTENT_EVENT(xreap_dispose_free_extent); @@ -1949,8 +1952,8 @@ DEFINE_REPAIR_EXTENT_EVENT(xreap_bmapi_binval); DEFINE_REPAIR_EXTENT_EVENT(xrep_agfl_insert); DECLARE_EVENT_CLASS(xrep_reap_find_class, - TP_PROTO(struct xfs_perag *pag, xfs_agblock_t agbno, xfs_extlen_t len, - bool crosslinked), + TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, + xfs_extlen_t len, bool crosslinked), TP_ARGS(pag, agbno, len, crosslinked), TP_STRUCT__entry( __field(dev_t, dev) @@ -1975,8 +1978,8 @@ DECLARE_EVENT_CLASS(xrep_reap_find_class, ); #define DEFINE_REPAIR_REAP_FIND_EVENT(name) \ DEFINE_EVENT(xrep_reap_find_class, name, \ - TP_PROTO(struct xfs_perag *pag, xfs_agblock_t agbno, xfs_extlen_t len, \ - bool crosslinked), \ + TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, \ + xfs_extlen_t len, bool crosslinked), \ TP_ARGS(pag, agbno, len, crosslinked)) DEFINE_REPAIR_REAP_FIND_EVENT(xreap_agextent_select); DEFINE_REPAIR_REAP_FIND_EVENT(xreap_bmapi_select); @@ -2077,7 +2080,8 @@ TRACE_EVENT(xrep_ibt_found, ) TRACE_EVENT(xrep_refc_found, - TP_PROTO(struct xfs_perag *pag, const struct xfs_refcount_irec *rec), + TP_PROTO(const struct xfs_perag *pag, + const struct xfs_refcount_irec *rec), TP_ARGS(pag, rec), TP_STRUCT__entry( __field(dev_t, dev) @@ -2595,7 +2599,7 @@ TRACE_EVENT(xrep_cow_replace_mapping, ); TRACE_EVENT(xrep_cow_free_staging, - TP_PROTO(struct xfs_perag *pag, xfs_agblock_t agbno, + TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, xfs_extlen_t blockcount), TP_ARGS(pag, agbno, blockcount), TP_STRUCT__entry( @@ -3312,7 +3316,7 @@ DEFINE_XREP_SYMLINK_EVENT(xrep_symlink_rebuild); DEFINE_XREP_SYMLINK_EVENT(xrep_symlink_reset_fork); TRACE_EVENT(xrep_iunlink_visit, - TP_PROTO(struct xfs_perag *pag, unsigned int bucket, + TP_PROTO(const struct xfs_perag *pag, unsigned int bucket, xfs_agino_t bucket_agino, struct xfs_inode *ip), TP_ARGS(pag, bucket, bucket_agino, ip), TP_STRUCT__entry( @@ -3402,7 +3406,7 @@ TRACE_EVENT(xrep_iunlink_reload_ondisk, ); TRACE_EVENT(xrep_iunlink_walk_ondisk_bucket, - TP_PROTO(struct xfs_perag *pag, unsigned int bucket, + TP_PROTO(const struct xfs_perag *pag, unsigned int bucket, xfs_agino_t prev_agino, xfs_agino_t next_agino), TP_ARGS(pag, bucket, prev_agino, next_agino), TP_STRUCT__entry( @@ -3428,7 +3432,7 @@ TRACE_EVENT(xrep_iunlink_walk_ondisk_bucket, ); DECLARE_EVENT_CLASS(xrep_iunlink_resolve_class, - TP_PROTO(struct xfs_perag *pag, unsigned int bucket, + TP_PROTO(const struct xfs_perag *pag, unsigned int bucket, xfs_agino_t prev_agino, xfs_agino_t next_agino), TP_ARGS(pag, bucket, prev_agino, next_agino), TP_STRUCT__entry( @@ -3454,7 +3458,7 @@ DECLARE_EVENT_CLASS(xrep_iunlink_resolve_class, ); #define DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(name) \ DEFINE_EVENT(xrep_iunlink_resolve_class, name, \ - TP_PROTO(struct xfs_perag *pag, unsigned int bucket, \ + TP_PROTO(const struct xfs_perag *pag, unsigned int bucket, \ xfs_agino_t prev_agino, xfs_agino_t next_agino), \ TP_ARGS(pag, bucket, prev_agino, next_agino)) DEFINE_REPAIR_IUNLINK_RESOLVE_EVENT(xrep_iunlink_resolve_uncached); @@ -3515,7 +3519,7 @@ TRACE_EVENT(xrep_iunlink_relink_prev, ); TRACE_EVENT(xrep_iunlink_add_to_bucket, - TP_PROTO(struct xfs_perag *pag, unsigned int bucket, + TP_PROTO(const struct xfs_perag *pag, unsigned int bucket, xfs_agino_t agino, xfs_agino_t curr_head), TP_ARGS(pag, bucket, agino, curr_head), TP_STRUCT__entry( @@ -3541,7 +3545,7 @@ TRACE_EVENT(xrep_iunlink_add_to_bucket, ); TRACE_EVENT(xrep_iunlink_commit_bucket, - TP_PROTO(struct xfs_perag *pag, unsigned int bucket, + TP_PROTO(const struct xfs_perag *pag, unsigned int bucket, xfs_agino_t old_agino, xfs_agino_t agino), TP_ARGS(pag, bucket, old_agino, agino), TP_STRUCT__entry( diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 35b07af3b71d51..c5128b151dbfce 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -181,7 +181,7 @@ TRACE_EVENT(xlog_intent_recovery_failed, ); DECLARE_EVENT_CLASS(xfs_perag_class, - TP_PROTO(struct xfs_perag *pag, unsigned long caller_ip), + TP_PROTO(const struct xfs_perag *pag, unsigned long caller_ip), TP_ARGS(pag, caller_ip), TP_STRUCT__entry( __field(dev_t, dev) @@ -207,7 +207,7 @@ DECLARE_EVENT_CLASS(xfs_perag_class, #define DEFINE_PERAG_REF_EVENT(name) \ DEFINE_EVENT(xfs_perag_class, name, \ - TP_PROTO(struct xfs_perag *pag, unsigned long caller_ip), \ + TP_PROTO(const struct xfs_perag *pag, unsigned long caller_ip), \ TP_ARGS(pag, caller_ip)) DEFINE_PERAG_REF_EVENT(xfs_perag_get); DEFINE_PERAG_REF_EVENT(xfs_perag_hold); @@ -662,7 +662,7 @@ DEFINE_BUF_ITEM_EVENT(xfs_trans_bhold_release); DEFINE_BUF_ITEM_EVENT(xfs_trans_binval); DECLARE_EVENT_CLASS(xfs_filestream_class, - TP_PROTO(struct xfs_perag *pag, xfs_ino_t ino), + TP_PROTO(const struct xfs_perag *pag, xfs_ino_t ino), TP_ARGS(pag, ino), TP_STRUCT__entry( __field(dev_t, dev) @@ -684,14 +684,14 @@ DECLARE_EVENT_CLASS(xfs_filestream_class, ) #define DEFINE_FILESTREAM_EVENT(name) \ DEFINE_EVENT(xfs_filestream_class, name, \ - TP_PROTO(struct xfs_perag *pag, xfs_ino_t ino), \ + TP_PROTO(const struct xfs_perag *pag, xfs_ino_t ino), \ TP_ARGS(pag, ino)) DEFINE_FILESTREAM_EVENT(xfs_filestream_free); DEFINE_FILESTREAM_EVENT(xfs_filestream_lookup); DEFINE_FILESTREAM_EVENT(xfs_filestream_scan); TRACE_EVENT(xfs_filestream_pick, - TP_PROTO(struct xfs_perag *pag, xfs_ino_t ino), + TP_PROTO(const struct xfs_perag *pag, xfs_ino_t ino), TP_ARGS(pag, ino), TP_STRUCT__entry( __field(dev_t, dev) @@ -1758,8 +1758,9 @@ DEFINE_AGF_EVENT(xfs_agf); DEFINE_AGF_EVENT(xfs_agfl_reset); TRACE_EVENT(xfs_free_extent, - TP_PROTO(struct xfs_perag *pag, xfs_agblock_t agbno, xfs_extlen_t len, - enum xfs_ag_resv_type resv, int haveleft, int haveright), + TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, + xfs_extlen_t len, enum xfs_ag_resv_type resv, int haveleft, + int haveright), TP_ARGS(pag, agbno, len, resv, haveleft, haveright), TP_STRUCT__entry( __field(dev_t, dev) @@ -4652,7 +4653,7 @@ TRACE_EVENT(xfs_force_shutdown, #ifdef CONFIG_XFS_DRAIN_INTENTS DECLARE_EVENT_CLASS(xfs_perag_intents_class, - TP_PROTO(struct xfs_perag *pag, void *caller_ip), + TP_PROTO(const struct xfs_perag *pag, void *caller_ip), TP_ARGS(pag, caller_ip), TP_STRUCT__entry( __field(dev_t, dev) @@ -4675,7 +4676,7 @@ DECLARE_EVENT_CLASS(xfs_perag_intents_class, #define DEFINE_PERAG_INTENTS_EVENT(name) \ DEFINE_EVENT(xfs_perag_intents_class, name, \ - TP_PROTO(struct xfs_perag *pag, void *caller_ip), \ + TP_PROTO(const struct xfs_perag *pag, void *caller_ip), \ TP_ARGS(pag, caller_ip)) DEFINE_PERAG_INTENTS_EVENT(xfs_perag_intent_hold); DEFINE_PERAG_INTENTS_EVENT(xfs_perag_intent_rele);
