Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 39 insertions, 40 deletions

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index f3675cc630e..18769cc3237 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -575,16 +575,16 @@ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	    le16_to_cpu(es->s_def_resgid) != EXT3_DEF_RESGID) {
 		seq_printf(seq, ",resgid=%u", sbi->s_resgid);
 	}
-	if (test_opt(sb, ERRORS_CONT)) {
+	if (test_opt(sb, ERRORS_RO)) {
 		int def_errors = le16_to_cpu(es->s_errors);
 
 		if (def_errors == EXT3_ERRORS_PANIC ||
-		    def_errors == EXT3_ERRORS_RO) {
-			seq_puts(seq, ",errors=continue");
+		    def_errors == EXT3_ERRORS_CONTINUE) {
+			seq_puts(seq, ",errors=remount-ro");
 		}
 	}
-	if (test_opt(sb, ERRORS_RO))
-		seq_puts(seq, ",errors=remount-ro");
+	if (test_opt(sb, ERRORS_CONT))
+		seq_puts(seq, ",errors=continue");
 	if (test_opt(sb, ERRORS_PANIC))
 		seq_puts(seq, ",errors=panic");
 	if (test_opt(sb, NO_UID32))
@@ -649,11 +649,10 @@ static struct inode *ext3_nfs_get_inode(struct super_block *sb,
 	 * Currently we don't know the generation for parent directory, so
 	 * a generation of 0 means "accept any"
 	 */
-	inode = iget(sb, ino);
-	if (inode == NULL)
-		return ERR_PTR(-ENOMEM);
-	if (is_bad_inode(inode) ||
-	    (generation && inode->i_generation != generation)) {
+	inode = ext3_iget(sb, ino);
+	if (IS_ERR(inode))
+		return ERR_CAST(inode);
+	if (generation && inode->i_generation != generation) {
 		iput(inode);
 		return ERR_PTR(-ESTALE);
 	}
@@ -722,7 +721,6 @@ static struct quotactl_ops ext3_qctl_operations = {
 static const struct super_operations ext3_sops = {
 	.alloc_inode	= ext3_alloc_inode,
 	.destroy_inode	= ext3_destroy_inode,
-	.read_inode	= ext3_read_inode,
 	.write_inode	= ext3_write_inode,
 	.dirty_inode	= ext3_dirty_inode,
 	.delete_inode	= ext3_delete_inode,
@@ -1224,7 +1222,7 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
 #endif
 	if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
 		es->s_max_mnt_count = cpu_to_le16(EXT3_DFL_MAX_MNT_COUNT);
-	es->s_mnt_count=cpu_to_le16(le16_to_cpu(es->s_mnt_count) + 1);
+	le16_add_cpu(&es->s_mnt_count, 1);
 	es->s_mtime = cpu_to_le32(get_seconds());
 	ext3_update_dynamic_rev(sb);
 	EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
@@ -1252,28 +1250,24 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
 }
 
 /* Called at mount-time, super-block is locked */
-static int ext3_check_descriptors (struct super_block * sb)
+static int ext3_check_descriptors(struct super_block *sb)
 {
 	struct ext3_sb_info *sbi = EXT3_SB(sb);
 	ext3_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
 	ext3_fsblk_t last_block;
-	struct ext3_group_desc * gdp = NULL;
-	int desc_block = 0;
 	int i;
 
 	ext3_debug ("Checking group descriptors");
 
-	for (i = 0; i < sbi->s_groups_count; i++)
-	{
+	for (i = 0; i < sbi->s_groups_count; i++) {
+		struct ext3_group_desc *gdp = ext3_get_group_desc(sb, i, NULL);
+
 		if (i == sbi->s_groups_count - 1)
 			last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
 		else
 			last_block = first_block +
 				(EXT3_BLOCKS_PER_GROUP(sb) - 1);
 
-		if ((i % EXT3_DESC_PER_BLOCK(sb)) == 0)
-			gdp = (struct ext3_group_desc *)
-					sbi->s_group_desc[desc_block++]->b_data;
 		if (le32_to_cpu(gdp->bg_block_bitmap) < first_block ||
 		    le32_to_cpu(gdp->bg_block_bitmap) > last_block)
 		{
@@ -1306,7 +1300,6 @@ static int ext3_check_descriptors (struct super_block * sb)
 			return 0;
 		}
 		first_block += EXT3_BLOCKS_PER_GROUP(sb);
-		gdp++;
 	}
 
 	sbi->s_es->s_free_blocks_count=cpu_to_le32(ext3_count_free_blocks(sb));
@@ -1383,8 +1376,8 @@ static void ext3_orphan_cleanup (struct super_block * sb,
 	while (es->s_last_orphan) {
 		struct inode *inode;
 
-		if (!(inode =
-		      ext3_orphan_get(sb, le32_to_cpu(es->s_last_orphan)))) {
+		inode = ext3_orphan_get(sb, le32_to_cpu(es->s_last_orphan));
+		if (IS_ERR(inode)) {
 			es->s_last_orphan = 0;
 			break;
 		}
@@ -1513,6 +1506,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	int db_count;
 	int i;
 	int needs_recovery;
+	int ret = -EINVAL;
 	__le32 features;
 	int err;
 
@@ -1583,10 +1577,10 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 
 	if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_PANIC)
 		set_opt(sbi->s_mount_opt, ERRORS_PANIC);
-	else if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_RO)
-		set_opt(sbi->s_mount_opt, ERRORS_RO);
-	else
+	else if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_CONTINUE)
 		set_opt(sbi->s_mount_opt, ERRORS_CONT);
+	else
+		set_opt(sbi->s_mount_opt, ERRORS_RO);
 
 	sbi->s_resuid = le16_to_cpu(es->s_def_resuid);
 	sbi->s_resgid = le16_to_cpu(es->s_def_resgid);
@@ -1882,19 +1876,24 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	 * so we can safely mount the rest of the filesystem now.
 	 */
 
-	root = iget(sb, EXT3_ROOT_INO);
-	sb->s_root = d_alloc_root(root);
-	if (!sb->s_root) {
+	root = ext3_iget(sb, EXT3_ROOT_INO);
+	if (IS_ERR(root)) {
 		printk(KERN_ERR "EXT3-fs: get root inode failed\n");
-		iput(root);
+		ret = PTR_ERR(root);
 		goto failed_mount4;
 	}
 	if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
-		dput(sb->s_root);
-		sb->s_root = NULL;
+		iput(root);
 		printk(KERN_ERR "EXT3-fs: corrupt root inode, run e2fsck\n");
 		goto failed_mount4;
 	}
+	sb->s_root = d_alloc_root(root);
+	if (!sb->s_root) {
+		printk(KERN_ERR "EXT3-fs: get root dentry failed\n");
+		iput(root);
+		ret = -ENOMEM;
+		goto failed_mount4;
+	}
 
 	ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY);
 	/*
@@ -1946,7 +1945,7 @@ out_fail:
 	sb->s_fs_info = NULL;
 	kfree(sbi);
 	lock_kernel();
-	return -EINVAL;
+	return ret;
 }
 
 /*
@@ -1982,8 +1981,8 @@ static journal_t *ext3_get_journal(struct super_block *sb,
 	 * things happen if we iget() an unused inode, as the subsequent
 	 * iput() will try to delete it. */
 
-	journal_inode = iget(sb, journal_inum);
-	if (!journal_inode) {
+	journal_inode = ext3_iget(sb, journal_inum);
+	if (IS_ERR(journal_inode)) {
 		printk(KERN_ERR "EXT3-fs: no journal found.\n");
 		return NULL;
 	}
@@ -1996,7 +1995,7 @@ static journal_t *ext3_get_journal(struct super_block *sb,
 
 	jbd_debug(2, "Journal inode found at %p: %Ld bytes\n",
 		  journal_inode, journal_inode->i_size);
-	if (is_bad_inode(journal_inode) || !S_ISREG(journal_inode->i_mode)) {
+	if (!S_ISREG(journal_inode->i_mode)) {
 		printk(KERN_ERR "EXT3-fs: invalid journal inode.\n");
 		iput(journal_inode);
 		return NULL;
@@ -2759,16 +2758,16 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
 	if (err)
 		return err;
 	/* Quotafile not on the same filesystem? */
-	if (nd.mnt->mnt_sb != sb) {
-		path_release(&nd);
+	if (nd.path.mnt->mnt_sb != sb) {
+		path_put(&nd.path);
 		return -EXDEV;
 	}
 	/* Quotafile not of fs root? */
-	if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+	if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
 		printk(KERN_WARNING
 			"EXT3-fs: Quota file not on filesystem root. "
 			"Journalled quota will not work.\n");
-	path_release(&nd);
+	path_put(&nd.path);
 	return vfs_quota_on(sb, type, format_id, path);
 }