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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2005-11-07 17:06:33 +0000 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-10 07:30:37 -0500 |
| commit | f51750d5eab50f0db5396a5ca30d5bafc038c263 (patch) | |
| tree | d81fd11e7acd0bbc6c273ef80603867c0c28333b /drivers/scsi/libata-scsi.c | |
| parent | 3b44f137b9a846c5452d9e6e1271b79b1dbcc942 (diff) | |
| download | lwn-f51750d5eab50f0db5396a5ca30d5bafc038c263.tar.gz lwn-f51750d5eab50f0db5396a5ca30d5bafc038c263.zip | |
[PATCH] libata: Note a nasty ATA quirk
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi/libata-scsi.c')
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index bb30fcdc9297..7e37f488f591 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1129,6 +1129,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm * length 0 means transfer 0 block of data. * However, for ATA R/W commands, sector count 0 means * 256 or 65536 sectors, not 0 sectors as in SCSI. + * + * WARNING: one or two older ATA drives treat 0 as 0... */ goto nothing_to_do; |