EXT4_FREEBLOCKS_WATERMARK 1234 fs/ext4/ext4.h #define EXT4_FREEBLOCKS_WATERMARK (4 * (FBC_BATCH * nr_cpu_ids))
EXT4_FREEBLOCKS_WATERMARK 1236 fs/ext4/ext4.h #define EXT4_FREEBLOCKS_WATERMARK 0