X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fbfs%2Finode.c;fp=fs%2Fbfs%2Finode.c;h=8db623838b50c78c819b70ec59e813ac13497277;hb=e33ab086ae227a34e34b17e86dbb9d2dbaebb489;hp=a64a71d444f50f5d2e0731f375c9994551780743;hpb=96eb5419412fbc7f39fa45d987034c5d0e6e1202;p=safe%2Fjmp%2Flinux-2.6

diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index a64a71d..8db6238 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -32,17 +32,22 @@ MODULE_LICENSE("GPL");
 
 void dump_imap(const char *prefix, struct super_block *s);
 
-static void bfs_read_inode(struct inode *inode)
+struct inode *bfs_iget(struct super_block *sb, unsigned long ino)
 {
-	unsigned long ino = inode->i_ino;
 	struct bfs_inode *di;
+	struct inode *inode;
 	struct buffer_head *bh;
 	int block, off;
 
+	inode = iget_locked(sb, ino);
+	if (IS_ERR(inode))
+		return ERR_PTR(-ENOMEM);
+	if (!(inode->i_state & I_NEW))
+		return inode;
+
 	if ((ino < BFS_ROOT_INO) || (ino > BFS_SB(inode->i_sb)->si_lasti)) {
 		printf("Bad inode number %s:%08lx\n", inode->i_sb->s_id, ino);
-		make_bad_inode(inode);
-		return;
+		goto error;
 	}
 
 	block = (ino - BFS_ROOT_INO) / BFS_INODES_PER_BLOCK + 1;
@@ -50,8 +55,7 @@ static void bfs_read_inode(struct inode *inode)
 	if (!bh) {
 		printf("Unable to read inode %s:%08lx\n", inode->i_sb->s_id,
 									ino);
-		make_bad_inode(inode);
-		return;
+		goto error;
 	}
 
 	off = (ino - BFS_ROOT_INO) % BFS_INODES_PER_BLOCK;
@@ -85,6 +89,12 @@ static void bfs_read_inode(struct inode *inode)
 	inode->i_ctime.tv_nsec = 0;
 
 	brelse(bh);
+	unlock_new_inode(inode);
+	return inode;
+
+error:
+	iget_failed(inode);
+	return ERR_PTR(-EIO);
 }
 
 static int bfs_write_inode(struct inode *inode, int unused)
@@ -276,7 +286,6 @@ static void destroy_inodecache(void)
 static const struct super_operations bfs_sops = {
 	.alloc_inode	= bfs_alloc_inode,
 	.destroy_inode	= bfs_destroy_inode,
-	.read_inode	= bfs_read_inode,
 	.write_inode	= bfs_write_inode,
 	.delete_inode	= bfs_delete_inode,
 	.put_super	= bfs_put_super,
@@ -312,6 +321,7 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
 	struct inode *inode;
 	unsigned i, imap_len;
 	struct bfs_sb_info *info;
+	long ret = -EINVAL;
 
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info)
@@ -346,14 +356,16 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
 		set_bit(i, info->si_imap);
 
 	s->s_op = &bfs_sops;
-	inode = iget(s, BFS_ROOT_INO);
-	if (!inode) {
+	inode = bfs_iget(s, BFS_ROOT_INO);
+	if (IS_ERR(inode)) {
+		ret = PTR_ERR(inode);
 		kfree(info->si_imap);
 		goto out;
 	}
 	s->s_root = d_alloc_root(inode);
 	if (!s->s_root) {
 		iput(inode);
+		ret = -ENOMEM;
 		kfree(info->si_imap);
 		goto out;
 	}
@@ -404,7 +416,7 @@ out:
 	brelse(bh);
 	kfree(info);
 	s->s_fs_info = NULL;
-	return -EINVAL;
+	return ret;
 }
 
 static int bfs_get_sb(struct file_system_type *fs_type,