X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fhfsplus%2Fsuper.c;h=3859118531c7c3b64b3726cc85894d0ce721c12c;hb=b85f4b87a511bea86dac68c4f0fabaee2cac6c4c;hp=7b0f2e5a44e2bce847c9c3e59c141c4a4821639f;hpb=8269cc4e2b0ddcdcb9e7f2034c464ef8613737a1;p=linux-2.6-omap-h63xx.git

diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 7b0f2e5a44e..3859118531c 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -20,14 +20,21 @@ static void hfsplus_destroy_inode(struct inode *inode);
 
 #include "hfsplus_fs.h"
 
-static void hfsplus_read_inode(struct inode *inode)
+struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino)
 {
 	struct hfs_find_data fd;
 	struct hfsplus_vh *vhdr;
-	int err;
+	struct inode *inode;
+	long err = -EIO;
+
+	inode = iget_locked(sb, ino);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+	if (!(inode->i_state & I_NEW))
+		return inode;
 
 	INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
-	init_MUTEX(&HFSPLUS_I(inode).extents_lock);
+	mutex_init(&HFSPLUS_I(inode).extents_lock);
 	HFSPLUS_I(inode).flags = 0;
 	HFSPLUS_I(inode).rsrc_inode = NULL;
 	atomic_set(&HFSPLUS_I(inode).opencnt, 0);
@@ -41,7 +48,7 @@ static void hfsplus_read_inode(struct inode *inode)
 		hfs_find_exit(&fd);
 		if (err)
 			goto bad_inode;
-		return;
+		goto done;
 	}
 	vhdr = HFSPLUS_SB(inode->i_sb).s_vhdr;
 	switch(inode->i_ino) {
@@ -70,10 +77,13 @@ static void hfsplus_read_inode(struct inode *inode)
 		goto bad_inode;
 	}
 
-	return;
+done:
+	unlock_new_inode(inode);
+	return inode;
 
- bad_inode:
-	make_bad_inode(inode);
+bad_inode:
+	iget_failed(inode);
+	return ERR_PTR(err);
 }
 
 static int hfsplus_write_inode(struct inode *inode, int unused)
@@ -262,7 +272,6 @@ static int hfsplus_remount(struct super_block *sb, int *flags, char *data)
 static const struct super_operations hfsplus_sops = {
 	.alloc_inode	= hfsplus_alloc_inode,
 	.destroy_inode	= hfsplus_destroy_inode,
-	.read_inode	= hfsplus_read_inode,
 	.write_inode	= hfsplus_write_inode,
 	.clear_inode	= hfsplus_clear_inode,
 	.put_super	= hfsplus_put_super,
@@ -278,7 +287,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 	struct hfsplus_sb_info *sbi;
 	hfsplus_cat_entry entry;
 	struct hfs_find_data fd;
-	struct inode *root;
+	struct inode *root, *inode;
 	struct qstr str;
 	struct nls_table *nls = NULL;
 	int err = -EINVAL;
@@ -348,7 +357,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 		printk(KERN_WARNING "hfs: Filesystem is marked locked, mounting read-only.\n");
 		sb->s_flags |= MS_RDONLY;
 	} else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_JOURNALED)) {
-		printk(KERN_WARNING "hfs: write access to a jounaled filesystem is not supported, "
+		printk(KERN_WARNING "hfs: write access to a journaled filesystem is not supported, "
 		       "use the force option at your own risk, mounting read-only.\n");
 		sb->s_flags |= MS_RDONLY;
 	}
@@ -366,18 +375,25 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 		goto cleanup;
 	}
 
-	HFSPLUS_SB(sb).alloc_file = iget(sb, HFSPLUS_ALLOC_CNID);
-	if (!HFSPLUS_SB(sb).alloc_file) {
+	inode = hfsplus_iget(sb, HFSPLUS_ALLOC_CNID);
+	if (IS_ERR(inode)) {
 		printk(KERN_ERR "hfs: failed to load allocation file\n");
+		err = PTR_ERR(inode);
 		goto cleanup;
 	}
+	HFSPLUS_SB(sb).alloc_file = inode;
 
 	/* Load the root directory */
-	root = iget(sb, HFSPLUS_ROOT_CNID);
+	root = hfsplus_iget(sb, HFSPLUS_ROOT_CNID);
+	if (IS_ERR(root)) {
+		printk(KERN_ERR "hfs: failed to load root directory\n");
+		err = PTR_ERR(root);
+		goto cleanup;
+	}
 	sb->s_root = d_alloc_root(root);
 	if (!sb->s_root) {
-		printk(KERN_ERR "hfs: failed to load root directory\n");
 		iput(root);
+		err = -ENOMEM;
 		goto cleanup;
 	}
 	sb->s_root->d_op = &hfsplus_dentry_operations;
@@ -390,9 +406,12 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 		hfs_find_exit(&fd);
 		if (entry.type != cpu_to_be16(HFSPLUS_FOLDER))
 			goto cleanup;
-		HFSPLUS_SB(sb).hidden_dir = iget(sb, be32_to_cpu(entry.folder.id));
-		if (!HFSPLUS_SB(sb).hidden_dir)
+		inode = hfsplus_iget(sb, be32_to_cpu(entry.folder.id));
+		if (IS_ERR(inode)) {
+			err = PTR_ERR(inode);
 			goto cleanup;
+		}
+		HFSPLUS_SB(sb).hidden_dir = inode;
 	} else
 		hfs_find_exit(&fd);
 
@@ -404,7 +423,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 	 */
 	vhdr->last_mount_vers = cpu_to_be32(HFSP_MOUNT_VERSION);
 	vhdr->modify_date = hfsp_now2mt();
-	vhdr->write_count = cpu_to_be32(be32_to_cpu(vhdr->write_count) + 1);
+	be32_add_cpu(&vhdr->write_count, 1);
 	vhdr->attributes &= cpu_to_be32(~HFSPLUS_VOL_UNMNT);
 	vhdr->attributes |= cpu_to_be32(HFSPLUS_VOL_INCNSTNT);
 	mark_buffer_dirty(HFSPLUS_SB(sb).s_vhbh);
@@ -466,7 +485,7 @@ static struct file_system_type hfsplus_fs_type = {
 	.fs_flags	= FS_REQUIRES_DEV,
 };
 
-static void hfsplus_init_once(void *p, struct kmem_cache *cachep, unsigned long flags)
+static void hfsplus_init_once(struct kmem_cache *cachep, void *p)
 {
 	struct hfsplus_inode_info *i = p;