[git patches] libata fix

[git patches] libata fix

[Jeff Garzik]

Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus

to receive the following updates:

 include/linux/ata.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Mark Lord (1):
      libata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2)

diff --git a/include/linux/ata.h b/include/linux/ata.h
index b4c85e2..700c5b9 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -1025,8 +1025,8 @@ static inline int ata_ok(u8 status)
 
 static inline int lba_28_ok(u64 block, u32 n_block)
 {
-	/* check the ending block number */
-	return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256);
+	/* check the ending block number: must be LESS THAN 0x0fffffff */
+	return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256);
 }
 
 static inline int lba_48_ok(u64 block, u32 n_block)

[git patches] libata fix

[Jeff Garzik]

Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus

to receive the following updates:

 drivers/ata/libata-core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Jeff Garzik (1):
      [libata] Add drive to NCQ blacklist

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3ca9c61..af62514 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3783,6 +3783,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "FUJITSU MHT2060BH",	NULL,		ATA_HORKAGE_NONCQ },
 	/* NCQ is broken */
 	{ "Maxtor 6L250S0",     "BANC1G10",     ATA_HORKAGE_NONCQ },
+	{ "Maxtor 6B200M0",	"BANC1B10",	ATA_HORKAGE_NONCQ },
 	/* NCQ hard hangs device under heavier load, needs hard power cycle */
 	{ "Maxtor 6B250S0",	"BANC1B70",	ATA_HORKAGE_NONCQ },
 	/* Blacklist entries taken from Silicon Image 3124/3132

[git patches] libata fix

[Jeff Garzik]

Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus

to receive the following updates:

 drivers/scsi/ahci.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

Unicorn Chang:
      ahci: skip protocol test altogether in spurious interrupt code

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 77e7202..904c25f 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -940,14 +940,8 @@ static void ahci_host_intr(struct ata_po
 		return;
 
 	/* ignore interim PIO setup fis interrupts */
-	if (ata_tag_valid(ap->active_tag)) {
-		struct ata_queued_cmd *qc =
-			ata_qc_from_tag(ap, ap->active_tag);
-
-		if (qc && qc->tf.protocol == ATA_PROT_PIO &&
-		    (status & PORT_IRQ_PIOS_FIS))
-			return;
-	}
+	if (ata_tag_valid(ap->active_tag) && (status & PORT_IRQ_PIOS_FIS)) 
+		return;
 
 	if (ata_ratelimit())
 		ata_port_printk(ap, KERN_INFO, "spurious interrupt "

[git patches] libata fix

[Jeff Garzik]

Please pull from 'upstream-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git

to receive the following updates:

 drivers/scsi/libata-core.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Mark Lord:
      libata-core.c:  fix parameter bug on kunmap_atomic() calls

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 665ae79..d0a0fdb 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2443,7 +2443,7 @@ static void ata_sg_clean(struct ata_queu
 			struct scatterlist *psg = &qc->pad_sgent;
 			void *addr = kmap_atomic(psg->page, KM_IRQ0);
 			memcpy(addr + psg->offset, pad_buf, qc->pad_len);
-			kunmap_atomic(psg->page, KM_IRQ0);
+			kunmap_atomic(addr, KM_IRQ0);
 		}
 	} else {
 		if (sg_dma_len(&sg[0]) > 0)
@@ -2717,7 +2717,7 @@ static int ata_sg_setup(struct ata_queue
 		if (qc->tf.flags & ATA_TFLAG_WRITE) {
 			void *addr = kmap_atomic(psg->page, KM_IRQ0);
 			memcpy(pad_buf, addr + psg->offset, qc->pad_len);
-			kunmap_atomic(psg->page, KM_IRQ0);
+			kunmap_atomic(addr, KM_IRQ0);
 		}
 
 		sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ);