REQ_SYNC 211 include/linux/blk_types.h (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \ REQ_SYNC 196 include/linux/fs.h #define READ_SYNC (READ | REQ_SYNC) REQ_SYNC 197 include/linux/fs.h #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) REQ_SYNC 198 include/linux/fs.h #define WRITE_ODIRECT (WRITE | REQ_SYNC) REQ_SYNC 199 include/linux/fs.h #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) REQ_SYNC 200 include/linux/fs.h #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) REQ_SYNC 201 include/linux/fs.h #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA)