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authorDarrick J. Wong <djwong@kernel.org>2022-07-14 11:15:25 -0700
committerDarrick J. Wong <djwong@kernel.org>2022-10-14 14:17:11 -0700
commite86a2b6118f2b221b41529e8ac784229459e1c0b (patch)
tree26cc9ddf41fb7c735af3545e2f51979d9cc9efda /fs/xfs/xfs_trace.h
parenta7da613603a4e7b3e6949973fdeb7994586a2809 (diff)
xfs: allow inode-based btrees to reserve space in the data devicereserve-rt-metadata-space_2022-10-14
Create a new space reservation scheme so that btree metadata for the realtime volume can reserve space in the data device to avoid space underruns. Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
-rw-r--r--fs/xfs/xfs_trace.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index e6a7b6325f05..7e21c93fe8c1 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -4970,6 +4970,51 @@ DEFINE_IMETA_DIR_EVENT(xfs_imeta_dir_created);
DEFINE_IMETA_DIR_EVENT(xfs_imeta_dir_unlinked);
DEFINE_IMETA_DIR_EVENT(xfs_imeta_dir_link);
+/* metadata inode space reservations */
+
+DECLARE_EVENT_CLASS(xfs_imeta_resv_class,
+ TP_PROTO(struct xfs_inode *ip, xfs_filblks_t len),
+ TP_ARGS(ip, len),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_ino_t, ino)
+ __field(unsigned long long, freeblks)
+ __field(unsigned long long, reserved)
+ __field(unsigned long long, asked)
+ __field(unsigned long long, used)
+ __field(unsigned long long, len)
+ ),
+ TP_fast_assign(
+ struct xfs_mount *mp = ip->i_mount;
+
+ __entry->dev = mp->m_super->s_dev;
+ __entry->ino = ip->i_ino;
+ __entry->freeblks = percpu_counter_sum(&mp->m_fdblocks);
+ __entry->reserved = ip->i_delayed_blks;
+ __entry->asked = ip->i_meta_resv_asked;
+ __entry->used = ip->i_nblocks;
+ __entry->len = len;
+ ),
+ TP_printk("dev %d:%d ino 0x%llx freeblks %llu resv %llu ask %llu used %llu len %llu",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino,
+ __entry->freeblks,
+ __entry->reserved,
+ __entry->asked,
+ __entry->used,
+ __entry->len)
+)
+#define DEFINE_IMETA_RESV_EVENT(name) \
+DEFINE_EVENT(xfs_imeta_resv_class, name, \
+ TP_PROTO(struct xfs_inode *ip, xfs_filblks_t len), \
+ TP_ARGS(ip, len))
+DEFINE_IMETA_RESV_EVENT(xfs_imeta_resv_init);
+DEFINE_IMETA_RESV_EVENT(xfs_imeta_resv_free);
+DEFINE_IMETA_RESV_EVENT(xfs_imeta_resv_alloc_extent);
+DEFINE_IMETA_RESV_EVENT(xfs_imeta_resv_free_extent);
+DEFINE_IMETA_RESV_EVENT(xfs_imeta_resv_critical);
+DEFINE_INODE_ERROR_EVENT(xfs_imeta_resv_init_error);
+
#endif /* _TRACE_XFS_H */
#undef TRACE_INCLUDE_PATH