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authorJamie Liu <jamieliu@google.com>2020-05-07 14:00:36 -0700
committergVisor bot <gvisor-bot@google.com>2020-05-07 14:01:53 -0700
commit9115f26851b6f00ae01e9c130e3b5b342495c9e5 (patch)
tree1bf2b1e7a6f461d82d34f68a6c607b8c2253bf63 /pkg/abi
parent1f4087e7cd6c3cc696e6b26446abd6c5214cfd67 (diff)
Allocate device numbers for VFS2 filesystems.
Updates #1197, #1198, #1672 PiperOrigin-RevId: 310432006
Diffstat (limited to 'pkg/abi')
-rw-r--r--pkg/abi/linux/dev.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/abi/linux/dev.go b/pkg/abi/linux/dev.go
index 89f9a793f..fa3ae5f18 100644
--- a/pkg/abi/linux/dev.go
+++ b/pkg/abi/linux/dev.go
@@ -36,6 +36,10 @@ func DecodeDeviceID(rdev uint32) (uint16, uint32) {
//
// See Documentations/devices.txt and uapi/linux/major.h.
const (
+ // UNNAMED_MAJOR is the major device number for "unnamed" devices, whose
+ // minor numbers are dynamically allocated by the kernel.
+ UNNAMED_MAJOR = 0
+
// MEM_MAJOR is the major device number for "memory" character devices.
MEM_MAJOR = 1