f2fs: avoid write_checkpoint if f2fs is mounted readonly
Do not change any partition when f2fs is changed to readonly mode. Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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@ -1067,6 +1067,8 @@ void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
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goto out;
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if (unlikely(f2fs_cp_error(sbi)))
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goto out;
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if (f2fs_readonly(sbi->sb))
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goto out;
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if (block_operations(sbi))
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goto out;
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