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Merge branch 'lba48-opt'

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This commit is contained in:
Jeff Garzik 2006-01-17 19:46:58 -05:00
commit 35cfc45c58
2 changed files with 33 additions and 27 deletions
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12
include/linux/ata.h
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@ -302,4 +302,16 @@ static inline int ata_ok(u8 status)
== ATA_DRDY);
}
static inline int lba_28_ok(u64 block, u32 n_block)
{
/* check the ending block number */
return ((block + n_block - 1) < ((u64)1 << 28)) && (n_block <= 256);
}
static inline int lba_48_ok(u64 block, u32 n_block)
{
/* check the ending block number */
return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536);
}
#endif /* __LINUX_ATA_H__ */