diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-24 20:02:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-24 20:02:32 -0700 |
| commit | 5a17558f06993fdc509362f659582b52b0f921e3 (patch) | |
| tree | d8c54416aff225097dee41f6cd0dd997639a4b28 /include | |
| parent | d56dc0b641da647012af573dac4a5fa7b9883fe0 (diff) | |
| parent | 4cde32fc4b32e96a99063af3183acdfd54c563f0 (diff) | |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[libata] ahci: SB600 workaround is suspect... play it safe for now
sata_promise: fix hardreset hotplug events, take 2
libata: improve HPA error handling
libata: assume no device is attached if both IDENTIFYs are aborted
pata_it821x: use raw nbytes in check_atapi_dma
libata: implement ata_qc_raw_nbytes()
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/libata.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index a05f6001364..269cdba0957 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -463,6 +463,7 @@ struct ata_queued_cmd { unsigned int sect_size; unsigned int nbytes; + unsigned int extrabytes; unsigned int curbytes; struct scatterlist *cursg; @@ -1336,6 +1337,11 @@ static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap, return NULL; } +static inline unsigned int ata_qc_raw_nbytes(struct ata_queued_cmd *qc) +{ + return qc->nbytes - min(qc->extrabytes, qc->nbytes); +} + static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf) { memset(tf, 0, sizeof(*tf)); @@ -1354,7 +1360,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc) qc->flags = 0; qc->cursg = NULL; qc->cursg_ofs = 0; - qc->nbytes = qc->curbytes = 0; + qc->nbytes = qc->extrabytes = qc->curbytes = 0; qc->n_elem = 0; qc->err_mask = 0; qc->sect_size = ATA_SECT_SIZE; |