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Date: Mon, 6 Nov 2017 12:28:02 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Jan Kara <jack@...e.cz>, Theodore Tso <tytso@....edu>, Sasha Levin <alexander.levin@...izon.com> Subject: [PATCH 3.18 17/27] ext4: do not use stripe_width if it is not set 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jan Kara <jack@...e.cz> [ Upstream commit 5469d7c3087ecaf760f54b447f11af6061b7c897 ] Avoid using stripe_width for sbi->s_stripe value if it is not actually set. It prevents using the stride for sbi->s_stripe. Signed-off-by: Jan Kara <jack@...e.cz> Signed-off-by: Theodore Ts'o <tytso@....edu> Signed-off-by: Sasha Levin <alexander.levin@...izon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- fs/ext4/super.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2441,9 +2441,9 @@ static unsigned long ext4_get_stripe_siz if (sbi->s_stripe && sbi->s_stripe <= sbi->s_blocks_per_group) ret = sbi->s_stripe; - else if (stripe_width <= sbi->s_blocks_per_group) + else if (stripe_width && stripe_width <= sbi->s_blocks_per_group) ret = stripe_width; - else if (stride <= sbi->s_blocks_per_group) + else if (stride && stride <= sbi->s_blocks_per_group) ret = stride; else ret = 0;
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