From: Darrick J. Wong <djwong@xxxxxxxxxx>
Set up a file io error event hook so that we can send events about read
errors, writeback errors, and directio errors to userspace.
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
libxfs/xfs_healthmon.schema.json | 77 ++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/libxfs/xfs_healthmon.schema.json b/libxfs/xfs_healthmon.schema.json
index 006f4145faa9f5..9c1070a629997c 100644
--- a/libxfs/xfs_healthmon.schema.json
+++ b/libxfs/xfs_healthmon.schema.json
@@ -36,6 +36,9 @@
},
{
"$ref": "#/$events/media_error"
+ },
+ {
+ "$ref": "#/$events/file_ioerror"
}
],
@@ -67,6 +70,16 @@
"description": "Inode generation number",
"type": "integer"
},
+ "off_t": {
+ "description": "File position, in bytes",
+ "type": "integer",
+ "minimum": 0
+ },
+ "size_t": {
+ "description": "File operation length, in bytes",
+ "type": "integer",
+ "minimum": 1
+ },
"storage_devs": {
"description": "Storage devices in a filesystem",
"_comment": [
@@ -261,6 +274,26 @@
}
},
+ "$comment": "File IO event data are defined here.",
+ "$fileio": {
+ "types": {
+ "description": [
+ "File I/O operations. One of:",
+ "",
+ " * readahead: reads into the page cache.",
+ " * writeback: writeback of dirty page cache.",
+ " * dioread: O_DIRECT reads.",
+ " * diowrite: O_DIRECT writes."
+ ],
+ "enum": [
+ "readahead",
+ "writeback",
+ "dioread",
+ "diowrite"
+ ]
+ }
+ },
+
"$comment": "Event types are defined here.",
"$events": {
"lost": {
@@ -513,6 +546,50 @@
"daddr",
"bbcount"
]
+ },
+ "file_ioerror": {
+ "title": "File I/O error",
+ "description": [
+ "A read or a write to a file failed. The",
+ "inode, generation, pos, and len fields",
+ "describe the range of the file that is",
+ "affected."
+ ],
+ "type": "object",
+
+ "properties": {
+ "type": {
+ "$ref": "#/$fileio/types"
+ },
+ "time_ns": {
+ "$ref": "#/$defs/time_ns"
+ },
+ "domain": {
+ "const": "filerange"
+ },
+ "inumber": {
+ "$ref": "#/$defs/xfs_ino_t"
+ },
+ "generation": {
+ "$ref": "#/$defs/i_generation"
+ },
+ "pos": {
+ "$ref": "#/$defs/off_t"
+ },
+ "len": {
+ "$ref": "#/$defs/size_t"
+ }
+ },
+
+ "required": [
+ "type",
+ "time_ns",
+ "domain",
+ "inumber",
+ "generation",
+ "pos",
+ "len"
+ ]
}
}
}
