Merge branch 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into stable/for-linus-3.7

* 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (9690 commits)
  x86: Document x86_init.paging.pagetable_init()
  x86: xen: Cleanup and remove x86_init.paging.pagetable_setup_done()
  x86: Move paging_init() call to x86_init.paging.pagetable_init()
  x86: Rename pagetable_setup_start() to pagetable_init()
  x86: Remove base argument from x86_init.paging.pagetable_setup_start
  Linux 3.6-rc5
  HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
  Remove user-triggerable BUG from mpol_to_str
  xen/pciback: Fix proper FLR steps.
  uml: fix compile error in deliver_alarm()
  dj: memory scribble in logi_dj
  Fix order of arguments to compat_put_time[spec|val]
  xen: Use correct masking in xen_swiotlb_alloc_coherent.
  xen: fix logical error in tlb flushing
  xen/p2m: Fix one-off error in checking the P2M tree directory.
  powerpc: Don't use __put_user() in patch_instruction
  powerpc: Make sure IPI handlers see data written by IPI senders
  powerpc: Restore correct DSCR in context switch
  powerpc: Fix DSCR inheritance in copy_thread()
  powerpc: Keep thread.dscr and thread.dscr_inherit in sync
  ...

7 files changed, 22 insertions, 39 deletions

diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 25cd6089211..90d901f0486 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1813,7 +1813,7 @@ ext3_fsblk_t ext3_count_free_blocks(struct super_block *sb)
 	brelse(bitmap_bh);
 	printk("ext3_count_free_blocks: stored = "E3FSBLK
 		", computed = "E3FSBLK", "E3FSBLK"\n",
-	       le32_to_cpu(es->s_free_blocks_count),
+	       (ext3_fsblk_t)le32_to_cpu(es->s_free_blocks_count),
 		desc_count, bitmap_count);
 	return bitmap_count;
 #else
diff --git a/fs/ext3/bitmap.c b/fs/ext3/bitmap.c
index 909d13e2656..ef9c643e8e9 100644
--- a/fs/ext3/bitmap.c
+++ b/fs/ext3/bitmap.c
@@ -11,19 +11,9 @@
 
 #ifdef EXT3FS_DEBUG
 
-static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0};
-
 unsigned long ext3_count_free (struct buffer_head * map, unsigned int numchars)
 {
-	unsigned int i;
-	unsigned long sum = 0;
-
-	if (!map)
-		return (0);
-	for (i = 0; i < numchars; i++)
-		sum += nibblemap[map->b_data[i] & 0xf] +
-			nibblemap[(map->b_data[i] >> 4) & 0xf];
-	return (sum);
+	return numchars * BITS_PER_BYTE - memweight(map->b_data, numchars);
 }
 
 #endif  /*  EXT3FS_DEBUG  */
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 92490e9f85c..c8fff930790 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -300,10 +300,11 @@ loff_t ext3_dir_llseek(struct file *file, loff_t offset, int origin)
 {
 	struct inode *inode = file->f_mapping->host;
 	int dx_dir = is_dx_dir(inode);
+	loff_t htree_max = ext3_get_htree_eof(file);
 
 	if (likely(dx_dir))
 		return generic_file_llseek_size(file, offset, origin,
-					        ext3_get_htree_eof(file));
+					        htree_max, htree_max);
 	else
 		return generic_file_llseek(file, offset, origin);
 }
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index d4dff278cbd..b31dbd4c46a 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -92,8 +92,13 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	 * disk caches manually so that data really is on persistent
 	 * storage
 	 */
-	if (needs_barrier)
-		blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+	if (needs_barrier) {
+		int err;
+
+		err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+		if (!ret)
+			ret = err;
+	}
 out:
 	trace_ext3_sync_file_exit(inode, ret);
 	return ret;
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 9a4a5c48b1c..a07597307fd 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -3459,14 +3459,6 @@ ext3_reserve_inode_write(handle_t *handle, struct inode *inode,
  * inode out, but prune_icache isn't a user-visible syncing function.
  * Whenever the user wants stuff synced (sys_sync, sys_msync, sys_fsync)
  * we start and wait on commits.
- *
- * Is this efficient/effective?  Well, we're being nice to the system
- * by cleaning up our inodes proactively so they can be reaped
- * without I/O.  But we are potentially leaving up to five seconds'
- * worth of inodes floating about which prune_icache wants us to
- * write out.  One way to fix that would be to get prune_icache()
- * to do a write_super() to free up some memory.  It has the desired
- * effect.
  */
 int ext3_mark_inode_dirty(handle_t *handle, struct inode *inode)
 {
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index eeb63dfc5d2..8f4fddac01a 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1011,7 +1011,7 @@ errout:
 	return NULL;
 }
 
-static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd)
+static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags)
 {
 	struct inode * inode;
 	struct ext3_dir_entry_2 * de;
@@ -1671,8 +1671,8 @@ static int ext3_add_nondir(handle_t *handle,
 	int err = ext3_add_entry(handle, dentry, inode);
 	if (!err) {
 		ext3_mark_inode_dirty(handle, inode);
-		d_instantiate(dentry, inode);
 		unlock_new_inode(inode);
+		d_instantiate(dentry, inode);
 		return 0;
 	}
 	drop_nlink(inode);
@@ -1690,7 +1690,7 @@ static int ext3_add_nondir(handle_t *handle,
  * with d_instantiate().
  */
 static int ext3_create (struct inode * dir, struct dentry * dentry, umode_t mode,
-		struct nameidata *nd)
+		bool excl)
 {
 	handle_t *handle;
 	struct inode * inode;
@@ -1836,8 +1836,8 @@ out_clear_inode:
 	if (err)
 		goto out_clear_inode;
 
-	d_instantiate(dentry, inode);
 	unlock_new_inode(inode);
+	d_instantiate(dentry, inode);
 out_stop:
 	brelse(dir_block);
 	ext3_journal_stop(handle);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 8c3a44b7c37..8c892e93d8e 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -64,11 +64,6 @@ static int ext3_freeze(struct super_block *sb);
 
 /*
  * Wrappers for journal_start/end.
- *
- * The only special thing we need to do here is to make sure that all
- * journal_end calls result in the superblock being marked dirty, so
- * that sync() will call the filesystem's write_super callback if
- * appropriate.
  */
 handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
 {
@@ -90,12 +85,6 @@ handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
 	return journal_start(journal, nblocks);
 }
 
-/*
- * The only special thing we need to do here is to make sure that all
- * journal_stop calls result in the superblock being marked dirty, so
- * that sync() will call the filesystem's write_super callback if
- * appropriate.
- */
 int __ext3_journal_stop(const char *where, handle_t *handle)
 {
 	struct super_block *sb;
@@ -2058,7 +2047,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 		goto failed_mount3;
 	}
 
-	ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY);
+	if (ext3_setup_super(sb, es, sb->s_flags & MS_RDONLY))
+		sb->s_flags |= MS_RDONLY;
 
 	EXT3_SB(sb)->s_mount_state |= EXT3_ORPHAN_FS;
 	ext3_orphan_cleanup(sb, es);
@@ -2526,6 +2516,11 @@ static int ext3_sync_fs(struct super_block *sb, int wait)
 	tid_t target;
 
 	trace_ext3_sync_fs(sb, wait);
+	/*
+	 * Writeback quota in non-journalled quota case - journalled quota has
+	 * no dirty dquots
+	 */
+	dquot_writeback_dquots(sb, -1);
 	if (journal_start_commit(EXT3_SB(sb)->s_journal, &target)) {
 		if (wait)
 			log_wait_commit(EXT3_SB(sb)->s_journal, target);