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f2fs: fix to cover __allocate_new_section() with curseg_lock
In order to avoid race with f2fs_do_replace_block().
Fixes: f5a53edcf0
("f2fs: support aligned pinned file")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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@ -2945,19 +2945,23 @@ static void __allocate_new_section(struct f2fs_sb_info *sbi, int type)
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void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type)
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{
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down_read(&SM_I(sbi)->curseg_lock);
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down_write(&SIT_I(sbi)->sentry_lock);
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__allocate_new_section(sbi, type);
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up_write(&SIT_I(sbi)->sentry_lock);
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up_read(&SM_I(sbi)->curseg_lock);
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}
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void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
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{
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int i;
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down_read(&SM_I(sbi)->curseg_lock);
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down_write(&SIT_I(sbi)->sentry_lock);
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for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
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__allocate_new_segment(sbi, i, false);
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up_write(&SIT_I(sbi)->sentry_lock);
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up_read(&SM_I(sbi)->curseg_lock);
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}
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static const struct segment_allocation default_salloc_ops = {
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