unix: add IoctlLoopConfigure on linux

LOOP_CONFIGURE ioctl is used to setup and configure all loop device parameters in a single step.
golang · Nov 6, 2023 · de08633 · de08633
1 parent 1bfbee0
commit de08633
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Showing 5 changed files with 16 additions and 0 deletions.
diff --git a/unix/ioctl_linux.go b/unix/ioctl_linux.go
@@ -231,3 +231,8 @@ func IoctlLoopGetStatus64(fd int) (*LoopInfo64, error) {
 func IoctlLoopSetStatus64(fd int, value *LoopInfo64) error {
 	return ioctlPtr(fd, LOOP_SET_STATUS64, unsafe.Pointer(value))
 }
+
+// IoctlLoopConfigure configures all loop device parameters in a single step
+func IoctlLoopConfigure(fd int, value *LoopConfig) error {
+	return ioctlPtr(fd, LOOP_CONFIGURE, unsafe.Pointer(value))
+}
diff --git a/unix/linux/types.go b/unix/linux/types.go
@@ -5829,3 +5829,5 @@ const SizeofSchedAttr = C.sizeof_struct_sched_attr
 
 type Cachestat_t C.struct_cachestat
 type CachestatRange C.struct_cachestat_range
+
+type LoopConfig C.struct_loop_config
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
@@ -519,6 +519,7 @@ ccflags="$@"
 		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
 		$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
 		$2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
+                $2 == "LOOP_CONFIGURE" ||
 		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MREMAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT|UDP)_/ ||
 		$2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ ||
 		$2 ~ /^NFC_.*_(MAX)?SIZE$/ ||

diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go