Commit fdd92b64 authored by Jeff Layton's avatar Jeff Layton

fs: warn about impending deprecation of mandatory locks

We've had CONFIG_MANDATORY_FILE_LOCKING since 2015 and a lot of distros
have disabled it. Warn the stragglers that still use "-o mand" that
we'll be dropping support for that mount option.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
parent 3dbdb38e
......@@ -1716,8 +1716,12 @@ static inline bool may_mount(void)
}
#ifdef CONFIG_MANDATORY_FILE_LOCKING
static inline bool may_mandlock(void)
static bool may_mandlock(void)
{
pr_warn_once("======================================================\n"
"WARNING: the mand mount option is being deprecated and\n"
" will be removed in v5.15!\n"
"======================================================\n");
return capable(CAP_SYS_ADMIN);
}
#else
......
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