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ext4: do not use stripe_width if it is not set

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[ Upstream commit 5469d7c308 ]

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@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jan Kara
2017-10-07 22:36:49 +00:00
committed by Greg Kroah-Hartman
parent 0e9deca480
commit 16d65c0c01
1 changed files with 2 additions and 2 deletions
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4
fs/ext4/super.c
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@@ -2628,9 +2628,9 @@ static unsigned long ext4_get_stripe_size(struct ext4_sb_info *sbi)
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;