unix: add IoctlFile{Clone,CloneRange,DedupeRange} on linux

Add wrappers for the FICLONE, FICLONERANGE and FIDEDUPERANGE ioctl
operations on linux. See the ioctl_ficlone(2), ioctl_ficlonerange(2) and
ioctl_fideduperange(2) man pages for details.

Change-Id: If3bad98facc362d4f7524e8d7a128815e9e2f204
Reviewed-on: https://go-review.googlesource.com/c/sys/+/256000
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2020-09-22 07:02:32 +00:00
committed by Tobias Klauser
parent e10f822d58
commit aee5d888a8
18 changed files with 72 additions and 0 deletions
+1
View File
@@ -517,6 +517,7 @@ ccflags="$@"
$2 ~ /^CP_/ ||
$2 ~ /^CPUSTATES$/ ||
$2 ~ /^ALG_/ ||
$2 ~ /^FI(CLONE|DEDUPERANGE)/ ||
$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ ||
$2 ~ /^FS_IOC_.*(ENCRYPTION|VERITY|[GS]ETFLAGS)/ ||
$2 ~ /^FS_VERITY_/ ||