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authorDarrick J. Wong <darrick.wong@oracle.com>2017-03-28 14:56:37 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2017-04-03 15:18:17 -0700
commite89c041338ed6ef2694e6465ca1ba033e0a2978c (patch)
tree7866a101041335d77127b2258e5759b61d1d1e60 /fs/xfs/xfs_trace.h
parentfb3c3de2f65c007f3ee50538ea131f5c4603c7bc (diff)
xfs: implement the GETFSMAP ioctl
Introduce a new ioctl that uses the reverse mapping btree to return information about the physical layout of the filesystem. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
-rw-r--r--fs/xfs/xfs_trace.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 383ac227ce2c..4f96dc953fbe 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -40,6 +40,8 @@ struct xfs_inode_log_format;
struct xfs_bmbt_irec;
struct xfs_btree_cur;
struct xfs_refcount_irec;
+struct xfs_fsmap;
+struct xfs_rmap_irec;
DECLARE_EVENT_CLASS(xfs_attr_list_class,
TP_PROTO(struct xfs_attr_list_context *ctx),
@@ -3267,6 +3269,88 @@ DEFINE_INODE_IREC_EVENT(xfs_swap_extent_rmap_remap);
DEFINE_INODE_IREC_EVENT(xfs_swap_extent_rmap_remap_piece);
DEFINE_INODE_ERROR_EVENT(xfs_swap_extent_rmap_error);
+/* fsmap traces */
+DECLARE_EVENT_CLASS(xfs_fsmap_class,
+ TP_PROTO(struct xfs_mount *mp, u32 keydev, xfs_agnumber_t agno,
+ struct xfs_rmap_irec *rmap),
+ TP_ARGS(mp, keydev, agno, rmap),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(dev_t, keydev)
+ __field(xfs_agnumber_t, agno)
+ __field(xfs_fsblock_t, bno)
+ __field(xfs_filblks_t, len)
+ __field(__uint64_t, owner)
+ __field(__uint64_t, offset)
+ __field(unsigned int, flags)
+ ),
+ TP_fast_assign(
+ __entry->dev = mp->m_super->s_dev;
+ __entry->keydev = new_decode_dev(keydev);
+ __entry->agno = agno;
+ __entry->bno = rmap->rm_startblock;
+ __entry->len = rmap->rm_blockcount;
+ __entry->owner = rmap->rm_owner;
+ __entry->offset = rmap->rm_offset;
+ __entry->flags = rmap->rm_flags;
+ ),
+ TP_printk("dev %d:%d keydev %d:%d agno %u bno %llu len %llu owner %lld offset %llu flags 0x%x\n",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ MAJOR(__entry->keydev), MINOR(__entry->keydev),
+ __entry->agno,
+ __entry->bno,
+ __entry->len,
+ __entry->owner,
+ __entry->offset,
+ __entry->flags)
+)
+#define DEFINE_FSMAP_EVENT(name) \
+DEFINE_EVENT(xfs_fsmap_class, name, \
+ TP_PROTO(struct xfs_mount *mp, u32 keydev, xfs_agnumber_t agno, \
+ struct xfs_rmap_irec *rmap), \
+ TP_ARGS(mp, keydev, agno, rmap))
+DEFINE_FSMAP_EVENT(xfs_fsmap_low_key);
+DEFINE_FSMAP_EVENT(xfs_fsmap_high_key);
+DEFINE_FSMAP_EVENT(xfs_fsmap_mapping);
+
+DECLARE_EVENT_CLASS(xfs_getfsmap_class,
+ TP_PROTO(struct xfs_mount *mp, struct xfs_fsmap *fsmap),
+ TP_ARGS(mp, fsmap),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(dev_t, keydev)
+ __field(xfs_daddr_t, block)
+ __field(xfs_daddr_t, len)
+ __field(__uint64_t, owner)
+ __field(__uint64_t, offset)
+ __field(__uint64_t, flags)
+ ),
+ TP_fast_assign(
+ __entry->dev = mp->m_super->s_dev;
+ __entry->keydev = new_decode_dev(fsmap->fmr_device);
+ __entry->block = fsmap->fmr_physical;
+ __entry->len = fsmap->fmr_length;
+ __entry->owner = fsmap->fmr_owner;
+ __entry->offset = fsmap->fmr_offset;
+ __entry->flags = fsmap->fmr_flags;
+ ),
+ TP_printk("dev %d:%d keydev %d:%d block %llu len %llu owner %lld offset %llu flags 0x%llx\n",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ MAJOR(__entry->keydev), MINOR(__entry->keydev),
+ __entry->block,
+ __entry->len,
+ __entry->owner,
+ __entry->offset,
+ __entry->flags)
+)
+#define DEFINE_GETFSMAP_EVENT(name) \
+DEFINE_EVENT(xfs_getfsmap_class, name, \
+ TP_PROTO(struct xfs_mount *mp, struct xfs_fsmap *fsmap), \
+ TP_ARGS(mp, fsmap))
+DEFINE_GETFSMAP_EVENT(xfs_getfsmap_low_key);
+DEFINE_GETFSMAP_EVENT(xfs_getfsmap_high_key);
+DEFINE_GETFSMAP_EVENT(xfs_getfsmap_mapping);
+
#endif /* _TRACE_XFS_H */
#undef TRACE_INCLUDE_PATH