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ext4: prevent used blocks from being allocated during fast commit replay
commit 599ea31 upstream. During fast commit replay procedure, we clear inode blocks bitmap in ext4_ext_clear_bb(), this may cause ext4_mb_new_blocks_simple() allocate blocks still in use. Make ext4_fc_record_regions() also record physical disk regions used by inodes during replay procedure. Then ext4_mb_new_blocks_simple() can excludes these blocks in use. Signed-off-by: Xin Yin <yinxin.x@bytedance.com> Link: https://lore.kernel.org/r/20220110035141.1980-2-yinxin.x@bytedance.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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