Merge branch 'master'

9 files changed, 82 insertions, 32 deletions

diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 3d1cce3653b..6a3df88accf 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -370,8 +370,8 @@ static int init_coda_psdev(void)
 	}		
 	devfs_mk_dir ("coda");
 	for (i = 0; i < MAX_CODADEVS; i++) {
-		class_device_create(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR,i),
-				NULL, "cfs%d", i);
+		class_device_create(coda_psdev_class, NULL,
+				MKDEV(CODA_PSDEV_MAJOR,i), NULL, "cfs%d", i);
 		err = devfs_mk_cdev(MKDEV(CODA_PSDEV_MAJOR, i),
 				S_IFCHR|S_IRUSR|S_IWUSR, "coda/%d", i);
 		if (err)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 9e24ceb019f..097383c1115 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -510,19 +510,11 @@ static void ext3_clear_inode(struct inode *inode)
 	kfree(rsv);
 }
 
-static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static inline void ext3_show_quota_options(struct seq_file *seq, struct super_block *sb)
 {
-	struct super_block *sb = vfs->mnt_sb;
+#if defined(CONFIG_QUOTA)
 	struct ext3_sb_info *sbi = EXT3_SB(sb);
 
-	if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA)
-		seq_puts(seq, ",data=journal");
-	else if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA)
-		seq_puts(seq, ",data=ordered");
-	else if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
-		seq_puts(seq, ",data=writeback");
-
-#if defined(CONFIG_QUOTA)
 	if (sbi->s_jquota_fmt)
 		seq_printf(seq, ",jqfmt=%s",
 		(sbi->s_jquota_fmt == QFMT_VFS_OLD) ? "vfsold": "vfsv0");
@@ -539,6 +531,20 @@ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	if (sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)
 		seq_puts(seq, ",grpquota");
 #endif
+}
+
+static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+	struct super_block *sb = vfs->mnt_sb;
+
+	if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA)
+		seq_puts(seq, ",data=journal");
+	else if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA)
+		seq_puts(seq, ",data=ordered");
+	else if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
+		seq_puts(seq, ",data=writeback");
+
+	ext3_show_quota_options(seq, sb);
 
 	return 0;
 }
diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index eadf319bee2..68000a50ceb 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -74,7 +74,7 @@
 static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
 			int nblocks);
 static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval);
-static void dbBackSplit(dmtree_t * tp, int leafno);
+static int dbBackSplit(dmtree_t * tp, int leafno);
 static int dbJoin(dmtree_t * tp, int leafno, int newval);
 static void dbAdjTree(dmtree_t * tp, int leafno, int newval);
 static int dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc,
@@ -305,7 +305,6 @@ int dbSync(struct inode *ipbmap)
 	filemap_fdatawrite(ipbmap->i_mapping);
 	filemap_fdatawait(ipbmap->i_mapping);
 
-	ipbmap->i_state |= I_DIRTY;
 	diWriteSpecial(ipbmap, 0);
 
 	return (0);
@@ -2467,7 +2466,9 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
 		 * that it is at the front of a binary buddy system.
 		 */
 		if (oldval == NOFREE) {
-			dbBackSplit((dmtree_t *) dcp, leafno);
+			rc = dbBackSplit((dmtree_t *) dcp, leafno);
+			if (rc)
+				return rc;
 			oldval = dcp->stree[ti];
 		}
 		dbSplit((dmtree_t *) dcp, leafno, dcp->budmin, newval);
@@ -2627,7 +2628,7 @@ static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
  *
  * serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
  */
-static void dbBackSplit(dmtree_t * tp, int leafno)
+static int dbBackSplit(dmtree_t * tp, int leafno)
 {
 	int budsz, bud, w, bsz, size;
 	int cursz;
@@ -2662,7 +2663,10 @@ static void dbBackSplit(dmtree_t * tp, int leafno)
 		 */
 		for (w = leafno, bsz = budsz;; bsz <<= 1,
 		     w = (w < bud) ? w : bud) {
-			assert(bsz < le32_to_cpu(tp->dmt_nleafs));
+			if (bsz >= le32_to_cpu(tp->dmt_nleafs)) {
+				jfs_err("JFS: block map error in dbBackSplit");
+				return -EIO;
+			}
 
 			/* determine the buddy.
 			 */
@@ -2681,7 +2685,11 @@ static void dbBackSplit(dmtree_t * tp, int leafno)
 		}
 	}
 
-	assert(leaf[leafno] == size);
+	if (leaf[leafno] != size) {
+		jfs_err("JFS: wrong leaf value in dbBackSplit");
+		return -EIO;
+	}
+	return 0;
 }
 
 
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index 4021d46da7e..28201b194f5 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -57,6 +57,12 @@
 #include "jfs_debug.h"
 
 /*
+ * __mark_inode_dirty expects inodes to be hashed.  Since we don't want
+ * special inodes in the fileset inode space, we hash them to a dummy head
+ */
+static HLIST_HEAD(aggregate_hash);
+
+/*
  * imap locks
  */
 /* iag free list lock */
@@ -491,6 +497,8 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
 	/* release the page */
 	release_metapage(mp);
 
+	hlist_add_head(&ip->i_hash, &aggregate_hash);
+
 	return (ip);
 }
 
@@ -514,8 +522,6 @@ void diWriteSpecial(struct inode *ip, int secondary)
 	ino_t inum = ip->i_ino;
 	struct metapage *mp;
 
-	ip->i_state &= ~I_DIRTY;
-
 	if (secondary)
 		address = addressPXD(&sbi->ait2) >> sbi->l2nbperpage;
 	else
diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index eeb37d70e65..26091a5f88d 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -395,6 +395,12 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc)
 
 		if (mp->nohomeok && !test_bit(META_forcewrite, &mp->flag)) {
 			redirty = 1;
+			/*
+			 * Make sure this page isn't blocked indefinitely.
+			 * If the journal isn't undergoing I/O, push it
+			 */
+			if (mp->log && !(mp->log->cflag & logGC_PAGEOUT))
+				jfs_flush_journal(mp->log, 0);
 			continue;
 		}
 
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index 9b71ed2674f..b660c93c92d 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -2396,7 +2396,6 @@ static void txUpdateMap(struct tblock * tblk)
 	 */
 	if (tblk->xflag & COMMIT_CREATE) {
 		diUpdatePMap(ipimap, tblk->ino, FALSE, tblk);
-		ipimap->i_state |= I_DIRTY;
 		/* update persistent block allocation map
 		 * for the allocation of inode extent;
 		 */
@@ -2407,7 +2406,6 @@ static void txUpdateMap(struct tblock * tblk)
 	} else if (tblk->xflag & COMMIT_DELETE) {
 		ip = tblk->u.ip;
 		diUpdatePMap(ipimap, ip->i_ino, TRUE, tblk);
-		ipimap->i_state |= I_DIRTY;
 		iput(ip);
 	}
 }
diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c
index a7fe2f2b969..e72f4ebb6e9 100644
--- a/fs/jfs/jfs_xtree.c
+++ b/fs/jfs/jfs_xtree.c
@@ -3516,16 +3516,10 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
 	/* process entries backward from last index */
 	index = le16_to_cpu(p->header.nextindex) - 1;
 
-	if (p->header.flag & BT_INTERNAL)
-		goto getChild;
-
-	/*
-	 *      leaf page
-	 */
 
-	/* Since this is the rightmost leaf, and we may have already freed
-	 * a page that was formerly to the right, let's make sure that the
-	 * next pointer is zero.
+	/* Since this is the rightmost page at this level, and we may have
+	 * already freed a page that was formerly to the right, let's make
+	 * sure that the next pointer is zero.
 	 */
 	if (p->header.next) {
 		if (log)
@@ -3539,6 +3533,12 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
 		p->header.next = 0;
 	}
 
+	if (p->header.flag & BT_INTERNAL)
+		goto getChild;
+
+	/*
+	 *      leaf page
+	 */
 	freed = 0;
 
 	/* does region covered by leaf page precede Teof ? */
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 71bc34b96b2..4226af3ea91 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -442,6 +442,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
 	inode->i_nlink = 1;
 	inode->i_size = sb->s_bdev->bd_inode->i_size;
 	inode->i_mapping->a_ops = &jfs_metapage_aops;
+	insert_inode_hash(inode);
 	mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
 
 	sbi->direct_inode = inode;
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 1e848648a32..9c06c5434ec 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -192,6 +192,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 struct part_attribute {
 	struct attribute attr;
 	ssize_t (*show)(struct hd_struct *,char *);
+	ssize_t (*store)(struct hd_struct *,const char *, size_t);
 };
 
 static ssize_t 
@@ -201,14 +202,33 @@ part_attr_show(struct kobject * kobj, struct attribute * attr, char * page)
 	struct part_attribute * part_attr = container_of(attr,struct part_attribute,attr);
 	ssize_t ret = 0;
 	if (part_attr->show)
-		ret = part_attr->show(p,page);
+		ret = part_attr->show(p, page);
+	return ret;
+}
+static ssize_t
+part_attr_store(struct kobject * kobj, struct attribute * attr,
+		const char *page, size_t count)
+{
+	struct hd_struct * p = container_of(kobj,struct hd_struct,kobj);
+	struct part_attribute * part_attr = container_of(attr,struct part_attribute,attr);
+	ssize_t ret = 0;
+
+	if (part_attr->store)
+		ret = part_attr->store(p, page, count);
 	return ret;
 }
 
 static struct sysfs_ops part_sysfs_ops = {
 	.show	=	part_attr_show,
+	.store	=	part_attr_store,
 };
 
+static ssize_t part_uevent_store(struct hd_struct * p,
+				 const char *page, size_t count)
+{
+	kobject_hotplug(&p->kobj, KOBJ_ADD);
+	return count;
+}
 static ssize_t part_dev_read(struct hd_struct * p, char *page)
 {
 	struct gendisk *disk = container_of(p->kobj.parent,struct gendisk,kobj);
@@ -229,6 +249,10 @@ static ssize_t part_stat_read(struct hd_struct * p, char *page)
 		       p->reads, (unsigned long long)p->read_sectors,
 		       p->writes, (unsigned long long)p->write_sectors);
 }
+static struct part_attribute part_attr_uevent = {
+	.attr = {.name = "uevent", .mode = S_IWUSR },
+	.store	= part_uevent_store
+};
 static struct part_attribute part_attr_dev = {
 	.attr = {.name = "dev", .mode = S_IRUGO },
 	.show	= part_dev_read
@@ -247,6 +271,7 @@ static struct part_attribute part_attr_stat = {
 };
 
 static struct attribute * default_attrs[] = {
+	&part_attr_uevent.attr,
 	&part_attr_dev.attr,
 	&part_attr_start.attr,
 	&part_attr_size.attr,