Commit 08439fec authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Theodore Ts'o

ext4: remove block_device_ejected

bdi->dev now never goes away, so this function became useless.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: Theodore Ts'o's avatarTheodore Ts'o <tytso@mit.edu>
parent 5f80f62a
......@@ -322,22 +322,6 @@ static void save_error_info(struct super_block *sb, const char *func,
ext4_commit_super(sb, 1);
}
/*
* The del_gendisk() function uninitializes the disk-specific data
* structures, including the bdi structure, without telling anyone
* else. Once this happens, any attempt to call mark_buffer_dirty()
* (for example, by ext4_commit_super), will cause a kernel OOPS.
* This is a kludge to prevent these oops until we can put in a proper
* hook in del_gendisk() to inform the VFS and file system layers.
*/
static int block_device_ejected(struct super_block *sb)
{
struct inode *bd_inode = sb->s_bdev->bd_inode;
struct backing_dev_info *bdi = inode_to_bdi(bd_inode);
return bdi->dev == NULL;
}
static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)
{
struct super_block *sb = journal->j_private;
......@@ -4569,7 +4553,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
struct buffer_head *sbh = EXT4_SB(sb)->s_sbh;
int error = 0;
if (!sbh || block_device_ejected(sb))
if (!sbh)
return error;
if (buffer_write_io_error(sbh)) {
/*
......
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