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

10 files changed, 54 insertions, 54 deletions

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index eb4fa1943944..ce1fa923c414 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -7101,7 +7101,7 @@ static struct DAC960_privdata DAC960_BA_privdata = {
 
 static struct DAC960_privdata DAC960_LP_privdata = {
 	.HardwareType =		DAC960_LP_Controller,
-	.FirmwareType 	=	DAC960_LP_Controller,
+	.FirmwareType 	=	DAC960_V2_Controller,
 	.InterruptHandler =	DAC960_LP_InterruptHandler,
 	.MemoryWindowSize =	DAC960_LP_RegisterWindowSize,
 };
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 13bb69d2abb3..64a223b0cc22 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -735,21 +735,6 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector
 	part_stat_unlock();
 }
 
-/*
- * Ensure we don't create aliases in VI caches
- */
-static inline void
-killalias(struct bio *bio)
-{
-	struct bio_vec *bv;
-	int i;
-
-	if (bio_data_dir(bio) == READ)
-		__bio_for_each_segment(bv, bio, i, 0) {
-			flush_dcache_page(bv->bv_page);
-		}
-}
-
 void
 aoecmd_ata_rsp(struct sk_buff *skb)
 {
@@ -871,7 +856,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
 		if (buf->flags & BUFFL_FAIL)
 			bio_endio(buf->bio, -EIO);
 		else {
-			killalias(buf->bio);
+			bio_flush_dcache_pages(buf->bio);
 			bio_endio(buf->bio, 0);
 		}
 		mempool_free(buf, d->bufpool);
diff --git a/drivers/block/drbd/Kconfig b/drivers/block/drbd/Kconfig
index f4acd04ebeef..df0983787390 100644
--- a/drivers/block/drbd/Kconfig
+++ b/drivers/block/drbd/Kconfig
@@ -3,7 +3,7 @@
 #
 
 comment "DRBD disabled because PROC_FS, INET or CONNECTOR not selected"
-	depends on !PROC_FS || !INET || !CONNECTOR
+	depends on PROC_FS='n' || INET='n' || CONNECTOR='n'
 
 config BLK_DEV_DRBD
 	tristate "DRBD Distributed Replicated Block Device support"
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 2312d782fe99..2bf3a6ef3684 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1275,7 +1275,7 @@ struct bm_extent {
 #if DRBD_MAX_SECTORS_BM < DRBD_MAX_SECTORS_32
 #define DRBD_MAX_SECTORS      DRBD_MAX_SECTORS_BM
 #define DRBD_MAX_SECTORS_FLEX DRBD_MAX_SECTORS_BM
-#elif !defined(CONFIG_LBD) && BITS_PER_LONG == 32
+#elif !defined(CONFIG_LBDAF) && BITS_PER_LONG == 32
 #define DRBD_MAX_SECTORS      DRBD_MAX_SECTORS_32
 #define DRBD_MAX_SECTORS_FLEX DRBD_MAX_SECTORS_32
 #else
@@ -1371,10 +1371,9 @@ extern int is_valid_ar_handle(struct drbd_request *, sector_t);
 extern void drbd_suspend_io(struct drbd_conf *mdev);
 extern void drbd_resume_io(struct drbd_conf *mdev);
 extern char *ppsize(char *buf, unsigned long long size);
-extern sector_t drbd_new_dev_size(struct drbd_conf *,
-		struct drbd_backing_dev *);
+extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, int);
 enum determine_dev_size { dev_size_error = -1, unchanged = 0, shrunk = 1, grew = 2 };
-extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *) __must_hold(local);
+extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, int force) __must_hold(local);
 extern void resync_after_online_grow(struct drbd_conf *);
 extern void drbd_setup_queue_param(struct drbd_conf *mdev, unsigned int) __must_hold(local);
 extern int drbd_set_role(struct drbd_conf *mdev, enum drbd_role new_role,
@@ -1490,7 +1489,7 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo);
 
 /* drbd_proc.c */
 extern struct proc_dir_entry *drbd_proc;
-extern struct file_operations drbd_proc_fops;
+extern const struct file_operations drbd_proc_fops;
 extern const char *drbd_conn_str(enum drbd_conns s);
 extern const char *drbd_role_str(enum drbd_role s);
 
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 157d1e4343c2..e898ad9eb1c3 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -27,7 +27,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/drbd.h>
 #include <asm/uaccess.h>
 #include <asm/types.h>
@@ -151,7 +150,7 @@ wait_queue_head_t drbd_pp_wait;
 
 DEFINE_RATELIMIT_STATE(drbd_ratelimit_state, 5 * HZ, 5);
 
-static struct block_device_operations drbd_ops = {
+static const struct block_device_operations drbd_ops = {
 	.owner =   THIS_MODULE,
 	.open =    drbd_open,
 	.release = drbd_release,
@@ -1299,6 +1298,7 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 				dev_err(DEV, "Sending state in drbd_io_error() failed\n");
 		}
 
+		wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt));
 		lc_destroy(mdev->resync);
 		mdev->resync = NULL;
 		lc_destroy(mdev->act_log);
@@ -3623,7 +3623,7 @@ _drbd_fault_random(struct fault_random_state *rsp)
 {
 	long refresh;
 
-	if (--rsp->count < 0) {
+	if (!rsp->count--) {
 		get_random_bytes(&refresh, sizeof(refresh));
 		rsp->state += refresh;
 		rsp->count = FAULT_RANDOM_REFRESH;
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 4e0726aa53b0..1292e0620663 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -510,7 +510,7 @@ void drbd_resume_io(struct drbd_conf *mdev)
  * Returns 0 on success, negative return values indicate errors.
  * You should call drbd_md_sync() after calling this function.
  */
-enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev) __must_hold(local)
+enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, int force) __must_hold(local)
 {
 	sector_t prev_first_sect, prev_size; /* previous meta location */
 	sector_t la_size;
@@ -541,7 +541,7 @@ enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev) __must_ho
 	/* TODO: should only be some assert here, not (re)init... */
 	drbd_md_set_sector_offsets(mdev, mdev->ldev);
 
-	size = drbd_new_dev_size(mdev, mdev->ldev);
+	size = drbd_new_dev_size(mdev, mdev->ldev, force);
 
 	if (drbd_get_capacity(mdev->this_bdev) != size ||
 	    drbd_bm_capacity(mdev) != size) {
@@ -596,7 +596,7 @@ out:
 }
 
 sector_t
-drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev)
+drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev, int assume_peer_has_space)
 {
 	sector_t p_size = mdev->p_size;   /* partner's disk size. */
 	sector_t la_size = bdev->md.la_size_sect; /* last agreed size. */
@@ -606,6 +606,11 @@ drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev)
 
 	m_size = drbd_get_max_capacity(bdev);
 
+	if (mdev->state.conn < C_CONNECTED && assume_peer_has_space) {
+		dev_warn(DEV, "Resize while not connected was forced by the user!\n");
+		p_size = m_size;
+	}
+
 	if (p_size && m_size) {
 		size = min_t(sector_t, p_size, m_size);
 	} else {
@@ -965,7 +970,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
 
 	/* Prevent shrinking of consistent devices ! */
 	if (drbd_md_test_flag(nbc, MDF_CONSISTENT) &&
-	   drbd_new_dev_size(mdev, nbc) < nbc->md.la_size_sect) {
+	    drbd_new_dev_size(mdev, nbc, 0) < nbc->md.la_size_sect) {
 		dev_warn(DEV, "refusing to truncate a consistent device\n");
 		retcode = ERR_DISK_TO_SMALL;
 		goto force_diskless_dec;
@@ -1052,7 +1057,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
 	    !drbd_md_test_flag(mdev->ldev, MDF_CONNECTED_IND))
 		set_bit(USE_DEGR_WFC_T, &mdev->flags);
 
-	dd = drbd_determin_dev_size(mdev);
+	dd = drbd_determin_dev_size(mdev, 0);
 	if (dd == dev_size_error) {
 		retcode = ERR_NOMEM_BITMAP;
 		goto force_diskless_dec;
@@ -1271,7 +1276,7 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 			goto fail;
 		}
 
-		if (crypto_tfm_alg_type(crypto_hash_tfm(tfm)) != CRYPTO_ALG_TYPE_SHASH) {
+		if (!drbd_crypto_is_hash(crypto_hash_tfm(tfm))) {
 			retcode = ERR_AUTH_ALG_ND;
 			goto fail;
 		}
@@ -1504,7 +1509,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 	}
 
 	mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
-	dd = drbd_determin_dev_size(mdev);
+	dd = drbd_determin_dev_size(mdev, rs.resize_force);
 	drbd_md_sync(mdev);
 	put_ldev(mdev);
 	if (dd == dev_size_error) {
diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index bdd0b4943b10..df8ad9660d8f 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -38,7 +38,7 @@ static int drbd_proc_open(struct inode *inode, struct file *file);
 
 
 struct proc_dir_entry *drbd_proc;
-struct file_operations drbd_proc_fops = {
+const struct file_operations drbd_proc_fops = {
 	.owner		= THIS_MODULE,
 	.open		= drbd_proc_open,
 	.read		= seq_read,
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c548f24f54a1..f22a5283128a 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -28,7 +28,6 @@
 #include <asm/uaccess.h>
 #include <net/sock.h>
 
-#include <linux/version.h>
 #include <linux/drbd.h>
 #include <linux/fs.h>
 #include <linux/file.h>
@@ -879,9 +878,13 @@ retry:
 
 	if (mdev->cram_hmac_tfm) {
 		/* drbd_request_state(mdev, NS(conn, WFAuth)); */
-		if (!drbd_do_auth(mdev)) {
+		switch (drbd_do_auth(mdev)) {
+		case -1:
 			dev_err(DEV, "Authentication of peer failed\n");
 			return -1;
+		case 0:
+			dev_err(DEV, "Authentication of peer failed, trying again.\n");
+			return 0;
 		}
 	}
 
@@ -1202,10 +1205,11 @@ static int receive_Barrier(struct drbd_conf *mdev, struct p_header *h)
 
 	case WO_bdev_flush:
 	case WO_drain_io:
-		D_ASSERT(rv == FE_STILL_LIVE);
-		set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags);
-		drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
-		rv = drbd_flush_after_epoch(mdev, mdev->current_epoch);
+		if (rv == FE_STILL_LIVE) {
+			set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags);
+			drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
+			rv = drbd_flush_after_epoch(mdev, mdev->current_epoch);
+		}
 		if (rv == FE_RECYCLED)
 			return TRUE;
 
@@ -2866,7 +2870,7 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 
 		/* Never shrink a device with usable data during connect.
 		   But allow online shrinking if we are connected. */
-		if (drbd_new_dev_size(mdev, mdev->ldev) <
+		if (drbd_new_dev_size(mdev, mdev->ldev, 0) <
 		   drbd_get_capacity(mdev->this_bdev) &&
 		   mdev->state.disk >= D_OUTDATED &&
 		   mdev->state.conn < C_CONNECTED) {
@@ -2881,7 +2885,7 @@ static int receive_sizes(struct drbd_conf *mdev, struct p_header *h)
 #undef min_not_zero
 
 	if (get_ldev(mdev)) {
-		dd = drbd_determin_dev_size(mdev);
+	  dd = drbd_determin_dev_size(mdev, 0);
 		put_ldev(mdev);
 		if (dd == dev_size_error)
 			return FALSE;
@@ -3831,10 +3835,17 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 {
 	dev_err(DEV, "This kernel was build without CONFIG_CRYPTO_HMAC.\n");
 	dev_err(DEV, "You need to disable 'cram-hmac-alg' in drbd.conf.\n");
-	return 0;
+	return -1;
 }
 #else
 #define CHALLENGE_LEN 64
+
+/* Return value:
+	1 - auth succeeded,
+	0 - failed, try again (network error),
+	-1 - auth failed, don't try again.
+*/
+
 static int drbd_do_auth(struct drbd_conf *mdev)
 {
 	char my_challenge[CHALLENGE_LEN];  /* 64 Bytes... */
@@ -3855,7 +3866,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 				(u8 *)mdev->net_conf->shared_secret, key_len);
 	if (rv) {
 		dev_err(DEV, "crypto_hash_setkey() failed with %d\n", rv);
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
@@ -3878,14 +3889,14 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 
 	if (p.length > CHALLENGE_LEN*2) {
 		dev_err(DEV, "expected AuthChallenge payload too big.\n");
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
 	peers_ch = kmalloc(p.length, GFP_NOIO);
 	if (peers_ch == NULL) {
 		dev_err(DEV, "kmalloc of peers_ch failed\n");
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
@@ -3901,7 +3912,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 	response = kmalloc(resp_size, GFP_NOIO);
 	if (response == NULL) {
 		dev_err(DEV, "kmalloc of response failed\n");
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
@@ -3911,7 +3922,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 	rv = crypto_hash_digest(&desc, &sg, sg.length, response);
 	if (rv) {
 		dev_err(DEV, "crypto_hash_digest() failed with %d\n", rv);
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
@@ -3945,9 +3956,9 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 	}
 
 	right_response = kmalloc(resp_size, GFP_NOIO);
-	if (response == NULL) {
+	if (right_response == NULL) {
 		dev_err(DEV, "kmalloc of right_response failed\n");
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
@@ -3956,7 +3967,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 	rv = crypto_hash_digest(&desc, &sg, sg.length, right_response);
 	if (rv) {
 		dev_err(DEV, "crypto_hash_digest() failed with %d\n", rv);
-		rv = 0;
+		rv = -1;
 		goto fail;
 	}
 
@@ -3965,6 +3976,8 @@ static int drbd_do_auth(struct drbd_conf *mdev)
 	if (rv)
 		dev_info(DEV, "Peer authenticated using %d bytes of '%s' HMAC\n",
 		     resp_size, mdev->net_conf->cram_hmac_alg);
+	else
+		rv = -1;
 
  fail:
 	kfree(peers_ch);
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index ed8796f1112d..b453c2bca3be 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -24,7 +24,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/drbd.h>
 #include <linux/sched.h>
 #include <linux/smp_lock.h>
@@ -34,7 +33,6 @@
 #include <linux/mm_inline.h>
 #include <linux/slab.h>
 #include <linux/random.h>
-#include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/scatterlist.h>
 
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index e0339aaa1815..02b2583df7fc 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -860,7 +860,7 @@ static int mg_probe(struct platform_device *plat_dev)
 		err = -EINVAL;
 		goto probe_err_2;
 	}
-	host->dev_base = ioremap(rsc->start , rsc->end + 1);
+	host->dev_base = ioremap(rsc->start, resource_size(rsc));
 	if (!host->dev_base) {
 		printk(KERN_ERR "%s:%d ioremap fail\n",
 				__func__, __LINE__);