iget: stop EXT3 from using iget() and read_inode()

[linux-2.6-omap-h63xx.git] / fs / ext3 / inode.c

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 8a9ce2d09bde9e7bd418b4cf1294185645d77f49..eb95670a27ebafac6a9a4c593ef37e98a0f29ebf 100644 (file)
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2654,21 +2654,31 @@ void ext3_get_inode_flags(struct ext3_inode_info *ei)
                ei->i_flags |= EXT3_DIRSYNC_FL;
 }
 
-void ext3_read_inode(struct inode * inode)
+struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
 {
        struct ext3_iloc iloc;
        struct ext3_inode *raw_inode;
-       struct ext3_inode_info *ei = EXT3_I(inode);
+       struct ext3_inode_info *ei;
        struct buffer_head *bh;
+       struct inode *inode;
+       long ret;
        int block;
 
+       inode = iget_locked(sb, ino);
+       if (!inode)
+               return ERR_PTR(-ENOMEM);
+       if (!(inode->i_state & I_NEW))
+               return inode;
+
+       ei = EXT3_I(inode);
 #ifdef CONFIG_EXT3_FS_POSIX_ACL
        ei->i_acl = EXT3_ACL_NOT_CACHED;
        ei->i_default_acl = EXT3_ACL_NOT_CACHED;
 #endif
        ei->i_block_alloc_info = NULL;
 
-       if (__ext3_get_inode_loc(inode, &iloc, 0))
+       ret = __ext3_get_inode_loc(inode, &iloc, 0);
+       if (ret < 0)
                goto bad_inode;
        bh = iloc.bh;
        raw_inode = ext3_raw_inode(&iloc);
@@ -2699,6 +2709,7 @@ void ext3_read_inode(struct inode * inode)
                    !(EXT3_SB(inode->i_sb)->s_mount_state & EXT3_ORPHAN_FS)) {
                        /* this inode is deleted */
                        brelse (bh);
+                       ret = -ESTALE;
                        goto bad_inode;
                }
                /* The only unlinked inodes we let through here have
@@ -2742,6 +2753,7 @@ void ext3_read_inode(struct inode * inode)
                if (EXT3_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
                    EXT3_INODE_SIZE(inode->i_sb)) {
                        brelse (bh);
+                       ret = -EIO;
                        goto bad_inode;
                }
                if (ei->i_extra_isize == 0) {
@@ -2783,11 +2795,12 @@ void ext3_read_inode(struct inode * inode)
        }
        brelse (iloc.bh);
        ext3_set_inode_flags(inode);
-       return;
+       unlock_new_inode(inode);
+       return inode;
 
 bad_inode:
-       make_bad_inode(inode);
-       return;
+       iget_failed(inode);
+       return ERR_PTR(ret);
 }
 
 /*