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libata: Clarify ata_set_lba_range_entries function

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ata_set_lba_range_entries used the variable max for two different things
which was confusing.  Make the function take a buffer size in bytes as
argument and return the used buffer size upon completion.

Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Martin K. Petersen 2009-11-26 12:00:43 -05:00 • committed by Jeff Garzik
commit d0634c4aea
2 changed files with 11 additions and 11 deletions
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2
drivers/ata/libata-scsi.c
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@ -2972,7 +2972,7 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
goto invalid_fld;
buf = page_address(sg_page(scsi_sglist(scmd)));
size = ata_set_lba_range_entries(buf, 512 / 8, block, n_block);
size = ata_set_lba_range_entries(buf, 512, block, n_block);
tf->protocol = ATA_PROT_DMA;
tf->hob_feature = 0;