Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

23 files changed, 98 insertions, 135 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 0fac822c115..9cdd12a9e84 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -127,7 +127,6 @@ header-y += pkt_sched.h
 header-y += posix_types.h
 header-y += ppdev.h
 header-y += prctl.h
-header-y += ps2esdi.h
 header-y += qnxtypes.h
 header-y += quotaio_v1.h
 header-y += quotaio_v2.h
@@ -196,7 +195,6 @@ unifdef-y += ethtool.h
 unifdef-y += eventpoll.h
 unifdef-y += signalfd.h
 unifdef-y += ext2_fs.h
-unifdef-y += ext3_fs.h
 unifdef-y += fb.h
 unifdef-y += fcntl.h
 unifdef-y += filter.h
@@ -249,14 +247,13 @@ unifdef-y += isdn.h
 unifdef-y += isdnif.h
 unifdef-y += isdn_divertif.h
 unifdef-y += isdn_ppp.h
-unifdef-y += jbd.h
 unifdef-y += joystick.h
 unifdef-y += kdev_t.h
 unifdef-y += kd.h
 unifdef-y += kernelcapi.h
 unifdef-y += kernel.h
 unifdef-y += keyboard.h
-unifdef-$(CONFIG_HAVE_KVM) += kvm.h
+unifdef-y += kvm.h
 unifdef-y += llc.h
 unifdef-y += loop.h
 unifdef-y += lp.h
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 69c1edb9fe5..40d54731de7 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -65,6 +65,46 @@ static inline __u32 ror32(__u32 word, unsigned int shift)
 	return (word >> shift) | (word << (32 - shift));
 }
 
+/**
+ * rol16 - rotate a 16-bit value left
+ * @word: value to rotate
+ * @shift: bits to roll
+ */
+static inline __u16 rol16(__u16 word, unsigned int shift)
+{
+	return (word << shift) | (word >> (16 - shift));
+}
+
+/**
+ * ror16 - rotate a 16-bit value right
+ * @word: value to rotate
+ * @shift: bits to roll
+ */
+static inline __u16 ror16(__u16 word, unsigned int shift)
+{
+	return (word >> shift) | (word << (16 - shift));
+}
+
+/**
+ * rol8 - rotate an 8-bit value left
+ * @word: value to rotate
+ * @shift: bits to roll
+ */
+static inline __u8 rol8(__u8 word, unsigned int shift)
+{
+	return (word << shift) | (word >> (8 - shift));
+}
+
+/**
+ * ror8 - rotate an 8-bit value right
+ * @word: value to rotate
+ * @shift: bits to roll
+ */
+static inline __u8 ror8(__u8 word, unsigned int shift)
+{
+	return (word >> shift) | (word << (8 - shift));
+}
+
 static inline unsigned fls_long(unsigned long l)
 {
 	if (sizeof(l) == 4)
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a671dbff7a1..8fa7857e153 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -192,8 +192,8 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 		struct compat_timeval __user *tvp);
 
 asmlinkage long compat_sys_wait4(compat_pid_t pid,
-				 compat_uint_t *stat_addr, int options,
-				 struct compat_rusage *ru);
+				 compat_uint_t __user *stat_addr, int options,
+				 struct compat_rusage __user *ru);
 
 #define BITS_PER_COMPAT_LONG    (8*sizeof(compat_long_t))
 
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 6b72a458408..51e6b1e520e 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -38,8 +38,8 @@ struct cpuidle_state {
 	unsigned int	power_usage; /* in mW */
 	unsigned int	target_residency; /* in US */
 
-	unsigned int	usage;
-	unsigned int	time; /* in US */
+	unsigned long long	usage;
+	unsigned long long	time; /* in US */
 
 	int (*enter)	(struct cpuidle_device *dev,
 			 struct cpuidle_state *state);
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 261e43a4c87..34d44069829 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -423,7 +423,7 @@ void dma_async_device_unregister(struct dma_device *device);
 /* --- Helper iov-locking functions --- */
 
 struct dma_page_list {
-	char *base_address;
+	char __user *base_address;
 	int nr_pages;
 	struct page **pages;
 };
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 49829988bfa..897f723bd22 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -72,6 +72,13 @@
 #define in_softirq()		(softirq_count())
 #define in_interrupt()		(irq_count())
 
+/*
+ * Are we running in atomic context?  WARNING: this macro cannot
+ * always detect atomic context; in particular, it cannot know about
+ * held spinlocks in non-preemptible kernels.  Thus it should not be
+ * used in the general case to determine whether sleeping is possible.
+ * Do not use in_atomic() in driver code.
+ */
 #define in_atomic()		((preempt_count() & ~PREEMPT_ACTIVE) != 0)
 
 #ifdef CONFIG_PREEMPT
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a3b69c10d66..bc26b2f2735 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -26,7 +26,7 @@
 #include <asm/semaphore.h>
 #include <asm/mutex.h>
 
-#if defined(CRIS) || defined(FRV)
+#if defined(CONFIG_CRIS) || defined(CONFIG_FRV)
 # define SUPPORT_VLB_SYNC 0
 #else
 # define SUPPORT_VLB_SYNC 1
diff --git a/include/linux/input.h b/include/linux/input.h
index 1bdc39a8c76..cae2c35d120 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1227,12 +1227,13 @@ void input_free_device(struct input_dev *dev);
 
 static inline struct input_dev *input_get_device(struct input_dev *dev)
 {
-	return to_input_dev(get_device(&dev->dev));
+	return dev ? to_input_dev(get_device(&dev->dev)) : NULL;
 }
 
 static inline void input_put_device(struct input_dev *dev)
 {
-	put_device(&dev->dev);
+	if (dev)
+		put_device(&dev->dev);
 }
 
 static inline void *input_get_drvdata(struct input_dev *dev)
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 1b4ccf25b4d..cac4b364cd4 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -2,6 +2,7 @@
 #define IOCONTEXT_H
 
 #include <linux/radix-tree.h>
+#include <linux/rcupdate.h>
 
 /*
  * This is the per-process anticipatory I/O scheduler state.
@@ -54,6 +55,8 @@ struct cfq_io_context {
 
 	void (*dtor)(struct io_context *); /* destructor */
 	void (*exit)(struct io_context *); /* called on task exit */
+
+	struct rcu_head rcu_head;
 };
 
 /*
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index b18fd3b9b83..423f5827218 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -348,8 +348,7 @@ static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
 struct jbd_revoke_table_s;
 
 /**
- * struct handle_s - The handle_s type is the concrete type associated with
- *     handle_t.
+ * struct handle_s - this is the concrete type associated with handle_t.
  * @h_transaction: Which compound transaction is this update a part of?
  * @h_buffer_credits: Number of remaining buffers we are allowed to dirty.
  * @h_ref: Reference count on this handle
@@ -358,12 +357,7 @@ struct jbd_revoke_table_s;
  * @h_jdata: flag to force data journaling
  * @h_aborted: flag indicating fatal error on handle
  * @h_lockdep_map: lockdep info for debugging lock problems
- **/
-
-/* Docbook can't yet cope with the bit fields, but will leave the documentation
- * in so it can be fixed later.
  */
-
 struct handle_s
 {
 	/* Which compound transaction is this update a part of? */
@@ -558,8 +552,7 @@ struct transaction_s
 };
 
 /**
- * struct journal_s - The journal_s type is the concrete type associated with
- *     journal_t.
+ * struct journal_s - this is the concrete type associated with journal_t.
  * @j_flags:  General journaling state flags
  * @j_errno:  Is there an outstanding uncleared error on the journal (from a
  *     prior abort)?
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
index 589be3e1f3a..e7217dc58f3 100644
--- a/include/linux/lguest_launcher.h
+++ b/include/linux/lguest_launcher.h
@@ -16,6 +16,10 @@
  * a new device, we simply need to write a new virtio driver and create support
  * for it in the Launcher: this code won't need to change.
  *
+ * Virtio devices are also used by kvm, so we can simply reuse their optimized
+ * device drivers.  And one day when everyone uses virtio, my plan will be
+ * complete.  Bwahahahah!
+ *
  * Devices are described by a simplified ID, a status byte, and some "config"
  * bytes which describe this device's configuration.  This is placed by the
  * Launcher just above the top of physical memory:
@@ -26,7 +30,7 @@ struct lguest_device_desc {
 	/* The number of virtqueues (first in config array) */
 	__u8 num_vq;
 	/* The number of bytes of feature bits.  Multiply by 2: one for host
-	 * features and one for guest acknowledgements. */
+	 * features and one for Guest acknowledgements. */
 	__u8 feature_len;
 	/* The number of bytes of the config array after virtqueues. */
 	__u8 config_len;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index a05f6001364..b064bfeb69e 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -295,6 +295,7 @@ enum {
 	ATA_EH_SOFTRESET	= (1 << 1),
 	ATA_EH_HARDRESET	= (1 << 2),
 	ATA_EH_ENABLE_LINK	= (1 << 3),
+	ATA_EH_LPM		= (1 << 4),  /* link power management action */
 
 	ATA_EH_RESET_MASK	= ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
 	ATA_EH_PERDEV_MASK	= ATA_EH_REVALIDATE,
@@ -304,7 +305,6 @@ enum {
 	ATA_EHI_RESUME_LINK	= (1 << 1),  /* resume link (reset modifier) */
 	ATA_EHI_NO_AUTOPSY	= (1 << 2),  /* no autopsy */
 	ATA_EHI_QUIET		= (1 << 3),  /* be quiet */
-	ATA_EHI_LPM		= (1 << 4),  /* link power management action */
 
 	ATA_EHI_DID_SOFTRESET	= (1 << 16), /* already soft-reset this port */
 	ATA_EHI_DID_HARDRESET	= (1 << 17), /* already soft-reset this port */
@@ -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;
diff --git a/include/linux/memstick.h b/include/linux/memstick.h
index b7ee2588883..3e686ec6a96 100644
--- a/include/linux/memstick.h
+++ b/include/linux/memstick.h
@@ -239,7 +239,6 @@ struct memstick_request {
 	unsigned char tpc;
 	unsigned char data_dir:1,
 		      need_card_int:1,
-		      get_int_reg:1,
 		      long_data:1;
 	unsigned char int_reg;
 	int           error;
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 6d3047d8c91..5ee2df217cd 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -61,6 +61,7 @@ struct vfsmount {
 	atomic_t mnt_count;
 	int mnt_expiry_mark;		/* true if marked for expiry */
 	int mnt_pinned;
+	int mnt_ghosts;
 };
 
 static inline struct vfsmount *mntget(struct vfsmount *mnt)
@@ -98,7 +99,6 @@ extern int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd,
 			int mnt_flags, struct list_head *fslist);
 
 extern void mark_mounts_for_expiry(struct list_head *mounts);
-extern void shrink_submounts(struct vfsmount *mountpoint, struct list_head *mounts);
 
 extern spinlock_t vfsmount_lock;
 extern dev_t name_to_dev_t(char *name);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b7e4b633c69..ea760e519c4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -513,7 +513,6 @@ int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
 int pci_find_ext_capability(struct pci_dev *dev, int cap);
 int pci_find_ht_capability(struct pci_dev *dev, int ht_cap);
 int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
-void pcie_wait_pending_transaction(struct pci_dev *dev);
 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
 
 struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
@@ -884,9 +883,6 @@ static inline int pci_find_ext_capability(struct pci_dev *dev, int cap)
 	return 0;
 }
 
-static inline void pcie_wait_pending_transaction(struct pci_dev *dev)
-{ }
-
 /* Power management related routines */
 static inline int pci_save_state(struct pci_dev *dev)
 {
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index cd6332b8882..29dd55838e8 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -14,7 +14,7 @@
 #include <linux/mod_devicetable.h>
 
 #define PNP_MAX_PORT		40
-#define PNP_MAX_MEM		12
+#define PNP_MAX_MEM		24
 #define PNP_MAX_IRQ		2
 #define PNP_MAX_DMA		2
 #define PNP_NAME_LEN		50
diff --git a/include/linux/ps2esdi.h b/include/linux/ps2esdi.h
deleted file mode 100644
index c0e050b1dfe..00000000000
--- a/include/linux/ps2esdi.h
+++ /dev/null
@@ -1,98 +0,0 @@
-#ifndef _PS2ESDI_H_
-#define _PS2ESDI_H_
-
-#define NRML_ESDI_ID 0xddff
-#define INTG_ESDI_ID 0xdf9f
-
-#define PRIMARY_IO_BASE 0x3510
-#define ALT_IO_BASE 0x3518
-
-#define ESDI_CMD_INT (io_base+0)
-#define ESDI_STT_INT (io_base+0)
-#define ESDI_CONTROL (io_base+2)
-#define ESDI_STATUS  (io_base+2)
-#define ESDI_ATTN    (io_base+3)
-#define ESDI_INTRPT  (io_base+3)
-
-#define STATUS_ENABLED    0x01
-#define STATUS_ALTERNATE  0x02
-#define STATUS_BUSY       0x10
-#define STATUS_STAT_AVAIL 0x08
-#define STATUS_INTR       0x01
-#define STATUS_RESET_FAIL 0xea
-#define STATUS_CMD_INF	  0x04
-
-#define CTRL_SOFT_RESET   0xe4
-#define CTRL_HARD_RESET   0x80
-#define CTRL_EOI          0xe2
-#define CTRL_ENABLE_DMA   0x02
-#define CTRL_ENABLE_INTR  0x01
-#define CTRL_DISABLE_INTR  0x00
-
-#define ATT_EOI 0x02
-
-/* bits of word 0 of configuration status block. more info see p.38 of tech ref */
-#define CONFIG_IS 0x10 /* Invalid Secondary */
-#define CONFIG_ZD 0x08 /* Zero Defect */
-#define CONFIG_SF 0x04 /* Skewed Format */
-#define CONFIG_FR 0x02 /* Removable */
-#define CONFIG_RT 0x01 /* Retries */
-
-#define PORT_SYS_A   0x92
-#define PORT_DMA_FN  0x18
-#define PORT_DMA_EX  0x1a
-
-#define ON (unsigned char)0x40
-#define OFF (unsigned char)~ON
-#define LITE_ON outb(inb(PORT_SYS_A) | ON,PORT_SYS_A)
-#define LITE_OFF outb((inb(PORT_SYS_A) & OFF),PORT_SYS_A)
-
-#define FAIL 0
-#define SUCCES 1
-
-#define INT_CMD_COMPLETE 0x01
-#define INT_CMD_ECC      0x03
-#define INT_CMD_RETRY    0x05
-#define INT_CMD_FORMAT   0x06
-#define INT_CMD_ECC_RETRY 0x07
-#define INT_CMD_WARNING  0x08
-#define INT_CMD_ABORT    0x09
-#define INT_RESET        0x0A
-#define INT_TRANSFER_REQ 0x0B
-#define INT_CMD_FAILED   0x0C
-#define INT_DMA_ERR      0x0D
-#define INT_CMD_BLK_ERR  0x0E
-#define INT_ATTN_ERROR   0x0F
-
-#define DMA_MASK_CHAN 0x90
-#define DMA_UNMASK_CHAN 0xA0
-#define DMA_WRITE_ADDR 0x20
-#define DMA_WRITE_TC 0x40
-#define DMA_WRITE_MODE 0x70
-
-#define CMD_GET_DEV_CONFIG 0x09
-#define CMD_READ 0x4601
-#define CMD_WRITE 0x4602
-#define DMA_READ_16 0x4C
-#define DMA_WRITE_16 0x44
-
-
-#define MB 1024*1024
-#define SECT_SIZE 512   
-
-#define ERROR 1
-#define OK 0
-
-#define HDIO_GETGEO 0x0301
-
-#define FALSE 0
-#define TRUE !FALSE
-
-struct ps2esdi_geometry {
-	unsigned char heads;
-	unsigned char sectors;
-	unsigned short cylinders;
-	unsigned long start;
-};
-
-#endif /* _PS2ESDI_H_ */
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 01152ed532c..d038aa6e5ee 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -87,15 +87,15 @@ DECLARE_PER_CPU(long, dynticks_progress_counter);
 
 static inline void rcu_enter_nohz(void)
 {
+	smp_mb(); /* CPUs seeing ++ must see prior RCU read-side crit sects */
 	__get_cpu_var(dynticks_progress_counter)++;
 	WARN_ON(__get_cpu_var(dynticks_progress_counter) & 0x1);
-	mb();
 }
 
 static inline void rcu_exit_nohz(void)
 {
-	mb();
 	__get_cpu_var(dynticks_progress_counter)++;
+	smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
 	WARN_ON(!(__get_cpu_var(dynticks_progress_counter) & 0x1));
 }
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 11d8e9a74ef..6a1e7afb099 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -790,6 +790,7 @@ struct sched_domain {
 };
 
 extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new);
+extern int arch_reinit_sched_domains(void);
 
 #endif	/* CONFIG_SMP */
 
@@ -929,6 +930,9 @@ struct sched_entity {
 	u64			vruntime;
 	u64			prev_sum_exec_runtime;
 
+	u64			last_wakeup;
+	u64			avg_overlap;
+
 #ifdef CONFIG_SCHEDSTATS
 	u64			wait_start;
 	u64			wait_max;
@@ -1537,6 +1541,12 @@ static inline void idle_task_exit(void) {}
 
 extern void sched_idle_next(void);
 
+#if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP)
+extern void wake_up_idle_cpu(int cpu);
+#else
+static inline void wake_up_idle_cpu(int cpu) { }
+#endif
+
 #ifdef CONFIG_SCHED_DEBUG
 extern unsigned int sysctl_sched_latency;
 extern unsigned int sysctl_sched_min_granularity;
diff --git a/include/linux/security.h b/include/linux/security.h
index b07357ca213..c673dfd4dff 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -57,7 +57,6 @@ extern int cap_inode_need_killpriv(struct dentry *dentry);
 extern int cap_inode_killpriv(struct dentry *dentry);
 extern int cap_task_post_setuid (uid_t old_ruid, uid_t old_euid, uid_t old_suid, int flags);
 extern void cap_task_reparent_to_init (struct task_struct *p);
-extern int cap_task_kill(struct task_struct *p, struct siginfo *info, int sig, u32 secid);
 extern int cap_task_setscheduler (struct task_struct *p, int policy, struct sched_param *lp);
 extern int cap_task_setioprio (struct task_struct *p, int ioprio);
 extern int cap_task_setnice (struct task_struct *p, int nice);
@@ -2187,7 +2186,7 @@ static inline int security_task_kill (struct task_struct *p,
 				      struct siginfo *info, int sig,
 				      u32 secid)
 {
-	return cap_task_kill(p, info, sig, secid);
+	return 0;
 }
 
 static inline int security_task_wait (struct task_struct *p)
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 2352f46160d..bd14f8b30f0 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -50,6 +50,8 @@
 	for_each_online_node(node)						\
 		if (nr_cpus_node(node))
 
+void arch_update_cpu_topology(void);
+
 /* Conform to ACPI 2.0 SLIT distance definitions */
 #define LOCAL_DISTANCE		10
 #define REMOTE_DISTANCE		20
@@ -138,7 +140,6 @@
 				| SD_BALANCE_FORK	\
 				| SD_BALANCE_EXEC	\
 				| SD_WAKE_AFFINE	\
-				| SD_WAKE_IDLE		\
 				| SD_SHARE_PKG_RESOURCES\
 				| BALANCE_FOR_MC_POWER,	\
 	.last_balance		= jiffies,		\
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 2692ec9389c..1f999ec8d08 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -9,3 +9,6 @@
 
 /* device can't resume correctly so reset it instead */
 #define USB_QUIRK_RESET_RESUME		0x00000002
+
+/* device can't handle Set-Interface requests */
+#define USB_QUIRK_NO_SET_INTF		0x00000004
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index cee0623b3c7..0a40dfa44c9 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -50,7 +50,9 @@
 	US_FLAG(CAPACITY_HEURISTICS,	0x00001000)		\
 		/* sometimes sizes is too big */		\
 	US_FLAG(MAX_SECTORS_MIN,0x00002000)			\
-		/* Sets max_sectors to arch min */
+		/* Sets max_sectors to arch min */		\
+	US_FLAG(BULK_IGNORE_TAG,0x00004000)			\
+		/* Ignore tag mismatch in bulk operations */
 
 
 #define US_FLAG(name, value)	US_FL_##name = value ,