Chris Samuel <[email protected]> wrote: > Pre SATA 3.1 the TRIM command was non-queued, which means the kernel had to > wait for all I/O to complete before it could issue the TRIM command and > couldn't send any other commands until it completed. Bad protocol design. > > http://lwn.net/Articles/347511/ > > Which didn't help the fact that many SSDs took/take a long time to TRIM. > > This was fixed in SATA-3.1 which introduced an NCQ/DSM (queued) TRIM command.
How is the protocol handled by SSDs that attach directly to a PCI-Express interface rather than to a SATA controller? Does Linux support these yet? _______________________________________________ luv-main mailing list [email protected] http://lists.luv.asn.au/listinfo/luv-main
