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| author | Tejun Heo <htejun@gmail.com> | 2006-04-02 18:51:53 +0900 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-04-02 10:09:20 -0400 |
| commit | 2719736779da2c7fbb17d3de16c817b429bfeb9c (patch) | |
| tree | f65b910e990cc59805faefc33fbb84cd419572c4 | |
| parent | e8384607d4f395985e3cc5f82d75fc73efc2ecf0 (diff) | |
| download | lwn-2719736779da2c7fbb17d3de16c817b429bfeb9c.tar.gz lwn-2719736779da2c7fbb17d3de16c817b429bfeb9c.zip | |
[PATCH] libata: add ATA_QCFLAG_IO
Add a new qc flag ATA_QCFLAG_IO. This flag gets set for normal IO
commands originating from SCSI midlayer. This information will be
used by EH to determine transfer speed reconfiguration.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 1 | ||||
| -rw-r--r-- | include/linux/libata.h | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 096bdffbde11..234e1cadb070 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1188,6 +1188,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm u64 block; u32 n_block; + qc->flags |= ATA_QCFLAG_IO; tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; if (scsicmd[0] == WRITE_10 || scsicmd[0] == WRITE_6 || diff --git a/include/linux/libata.h b/include/linux/libata.h index cbbc821fe22c..a6d829cb0567 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -161,7 +161,8 @@ enum { ATA_QCFLAG_SG = (1 << 1), /* have s/g table? */ ATA_QCFLAG_SINGLE = (1 << 2), /* no s/g, just a single buffer */ ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE, - ATA_QCFLAG_EH_SCHEDULED = (1 << 3), /* EH scheduled */ + ATA_QCFLAG_IO = (1 << 3), /* standard IO command */ + ATA_QCFLAG_EH_SCHEDULED = (1 << 4), /* EH scheduled */ /* host set flags */ ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host_set only */ |