fs/9p: translate O_TRUNC into OTRUNC

zhasha · ericvh · commit 87de39e70503 · 2024-03-28T15:10:28.000Z
This one hits both 9P2000 and .u as it appears v9fs has never translated
the O_TRUNC flag.

Signed-off-by: Joakim Sindholt &lt;opensource@zhasha.com&gt;
Signed-off-by: Eric Van Hensbergen &lt;ericvh@kernel.org&gt;
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
@@ -178,6 +178,9 @@ int v9fs_uflags2omode(int uflags, int extended)
 		break;
 	}
 
+	if (uflags & O_TRUNC)
+		ret |= P9_OTRUNC;
+
 	if (extended) {
 		if (uflags & O_EXCL)
 			ret |= P9_OEXCL;

Original file line number	Diff line number	Diff line change
`@@ -178,6 +178,9 @@ int v9fs_uflags2omode(int uflags, int extended)`
`178`	`178`	`break;`
`179`	`179`	`}`
`180`	`180`
	`181`	`+ if (uflags & O_TRUNC)`
	`182`	`+ ret \|= P9_OTRUNC;`
	`183`	`+`
`181`	`184`	`if (extended) {`
`182`	`185`	`if (uflags & O_EXCL)`
`183`	`186`	`ret \|= P9_OEXCL;`