diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-04-02 23:56:32 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-04-02 23:56:32 -0400 |
| commit | 08439fec266c3cc5702953b4f54bdf5649357de0 (patch) | |
| tree | 3d73d9939e890d998d4287a4433ba4a74396afa5 /fs/ext4/super.c | |
| parent | 5f80f62adae2a2920781a847805d34b36b323f7d (diff) | |
| download | linux-08439fec266c3cc5702953b4f54bdf5649357de0.tar.gz linux-08439fec266c3cc5702953b4f54bdf5649357de0.tar.bz2 linux-08439fec266c3cc5702953b4f54bdf5649357de0.zip | |
ext4: remove block_device_ejected
bdi->dev now never goes away, so this function became useless.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c681352f7c69..e47a552fea05 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -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)) { /* |