diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/blk_types.h | 8 | ||||
-rw-r--r-- | include/linux/fs.h | 6 |
2 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 3fa62cabe8d2..107d23d18096 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -216,9 +216,15 @@ static inline bool op_is_write(unsigned int op) return (op & 1); } +/* + * Reads are always treated as synchronous, as are requests with the FUA or + * PREFLUSH flag. Other operations may be marked as synchronous using the + * REQ_SYNC flag. + */ static inline bool op_is_sync(unsigned int op) { - return (op & REQ_OP_MASK) == REQ_OP_READ || (op & REQ_SYNC); + return (op & REQ_OP_MASK) == REQ_OP_READ || + (op & (REQ_SYNC | REQ_FUA | REQ_PREFLUSH)); } typedef unsigned int blk_qc_t; diff --git a/include/linux/fs.h b/include/linux/fs.h index 5e0078fceed7..ccedccb28ec8 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -199,9 +199,9 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define READ_SYNC 0 #define WRITE_SYNC (REQ_SYNC | REQ_NOIDLE) #define WRITE_ODIRECT REQ_SYNC -#define WRITE_FLUSH (REQ_SYNC | REQ_NOIDLE | REQ_PREFLUSH) -#define WRITE_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FUA) -#define WRITE_FLUSH_FUA (REQ_SYNC | REQ_NOIDLE | REQ_PREFLUSH | REQ_FUA) +#define WRITE_FLUSH (REQ_NOIDLE | REQ_PREFLUSH) +#define WRITE_FUA (REQ_NOIDLE | REQ_FUA) +#define WRITE_FLUSH_FUA (REQ_NOIDLE | REQ_PREFLUSH | REQ_FUA) /* * Attribute flags. These should be or-ed together to figure out what |