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libata: make ata_tf_to_lba[48]() generic

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ata_tf_to_lba[48]() currently return LBA in tf + 1 for
ata_read_native_max_address().  Make them return LBA and make it
global so that it can be used to read LBA off TF for other purposes.
ata_read_native_max_address() now adds 1 itself.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo
2008-03-27 19:14:23 +09:00
committed by Jeff Garzik
parent 06993d2237
commit a5987e0a1b
2 changed files with 8 additions and 6 deletions
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2
drivers/ata/libata.h
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@@ -61,6 +61,8 @@ extern int libata_fua;
extern int libata_noacpi;
extern int libata_allow_tpm;
extern void ata_force_cbl(struct ata_port *ap);
extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
u64 block, u32 n_block, unsigned int tf_flags,