ext4: don't warn about mnt_count if it has been disabled
Currently, if we mkfs a new ext4 volume with s_max_mnt_count set to zero, and mount it for the first time, we will get the warning: maximal mount count reached, running e2fsck is recommended It is really misleading. So change the check so that it won't warn in that case. Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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@ -1914,7 +1914,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
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ext4_msg(sb, KERN_WARNING,
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"warning: mounting fs with errors, "
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"running e2fsck is recommended");
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else if ((__s16) le16_to_cpu(es->s_max_mnt_count) >= 0 &&
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else if ((__s16) le16_to_cpu(es->s_max_mnt_count) > 0 &&
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le16_to_cpu(es->s_mnt_count) >=
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(unsigned short) (__s16) le16_to_cpu(es->s_max_mnt_count))
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ext4_msg(sb, KERN_WARNING,
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