From: Darrick J. Wong <djwong@xxxxxxxxxx>
Set up a shutdown hook so that we can send notifications to userspace.
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
libxfs/xfs_healthmon.schema.json | 62 ++++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/libxfs/xfs_healthmon.schema.json b/libxfs/xfs_healthmon.schema.json
index 154ea0228a3615..a8bc75b0b8c4f9 100644
--- a/libxfs/xfs_healthmon.schema.json
+++ b/libxfs/xfs_healthmon.schema.json
@@ -30,6 +30,9 @@
},
{
"$ref": "#/$events/inode_metadata"
+ },
+ {
+ "$ref": "#/$events/shutdown"
}
],
@@ -205,6 +208,31 @@
}
},
+ "$comment": "Shutdown event data are defined here.",
+ "$shutdown": {
+ "reason": {
+ "description": [
+ "Reason for a filesystem to shut down.",
+ "Options include:",
+ "",
+ " * corrupt_incore: in-memory corruption",
+ " * corrupt_ondisk: on-disk corruption",
+ " * device_removed: device removed",
+ " * force_umount: userspace asked for it",
+ " * log_ioerr: log write IO error",
+ " * meta_ioerr: metadata writeback IO error"
+ ],
+ "enum": [
+ "corrupt_incore",
+ "corrupt_ondisk",
+ "device_removed",
+ "force_umount",
+ "log_ioerr",
+ "meta_ioerr"
+ ]
+ }
+ },
+
"$comment": "Event types are defined here.",
"$events": {
"lost": {
@@ -386,6 +414,40 @@
"generation",
"structures"
]
+ },
+ "shutdown": {
+ "title": "Abnormal Shutdown Event",
+ "description": [
+ "The filesystem went offline due to",
+ "unrecoverable errors."
+ ],
+ "type": "object",
+
+ "properties": {
+ "type": {
+ "const": "shutdown"
+ },
+ "time_ns": {
+ "$ref": "#/$defs/time_ns"
+ },
+ "domain": {
+ "const": "mount"
+ },
+ "reasons": {
+ "type": "array",
+ "items": {
+ "$ref": "#/$shutdown/reason"
+ },
+ "minItems": 1
+ }
+ },
+
+ "required": [
+ "type",
+ "time_ns",
+ "domain",
+ "reasons"
+ ]
}
}
}
