Thank you very much!
2013/11/12 Jeff Moyer <[email protected]>: > 韩磊 <[email protected]> writes: > >> In IO scheduler level, whether all the read requests are synchronous? > > Generically, yes, I/O schedulers (and the whole block layer, in fact) > consider READs synchronous: > > /* > * We regard a request as sync, if either a read or a sync write > */ > static inline bool rw_is_sync(unsigned int rw_flags) > { > return !(rw_flags & REQ_WRITE) || (rw_flags & REQ_SYNC); > } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
