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xfs: create simplified inode walk function

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Create a new iterator function to simplify walking inodes in an XFS
filesystem.  This new iterator will replace the existing open-coded
walking that goes on in various places.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2019-07-02 09:39:38 -07:00
parent 5bb46e3e18
commit a211432c27
8 changed files with 496 additions and 6 deletions
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40
fs/xfs/xfs_trace.h
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@@ -3517,6 +3517,46 @@ DEFINE_EVENT(xfs_inode_corrupt_class, name, \
DEFINE_INODE_CORRUPT_EVENT(xfs_inode_mark_sick);
DEFINE_INODE_CORRUPT_EVENT(xfs_inode_mark_healthy);
TRACE_EVENT(xfs_iwalk_ag,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agino_t startino),
TP_ARGS(mp, agno, startino),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(xfs_agnumber_t, agno)
__field(xfs_agino_t, startino)
),
TP_fast_assign(
__entry->dev = mp->m_super->s_dev;
__entry->agno = agno;
__entry->startino = startino;
),
TP_printk("dev %d:%d agno %d startino %u",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->agno,
__entry->startino)
)
TRACE_EVENT(xfs_iwalk_ag_rec,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
struct xfs_inobt_rec_incore *irec),
TP_ARGS(mp, agno, irec),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(xfs_agnumber_t, agno)
__field(xfs_agino_t, startino)
__field(uint64_t, freemask)
),
TP_fast_assign(
__entry->dev = mp->m_super->s_dev;
__entry->agno = agno;
__entry->startino = irec->ir_startino;
__entry->freemask = irec->ir_free;
),
TP_printk("dev %d:%d agno %d startino %u freemask 0x%llx",
MAJOR(__entry->dev), MINOR(__entry->dev), __entry->agno,
__entry->startino, __entry->freemask)
)
#endif /* _TRACE_XFS_H */
#undef TRACE_INCLUDE_PATH