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fs: warn about impending deprecation of mandatory locks
[ Upstream commit fdd92b64d1
]
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: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 5 additions and 1 deletions
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@ -1696,8 +1696,12 @@ static inline bool may_mount(void)
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}
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#ifdef CONFIG_MANDATORY_FILE_LOCKING
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static inline bool may_mandlock(void)
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static bool may_mandlock(void)
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{
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pr_warn_once("======================================================\n"
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"WARNING: the mand mount option is being deprecated and\n"
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" will be removed in v5.15!\n"
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"======================================================\n");
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return capable(CAP_SYS_ADMIN);
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}
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#else
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