diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 2091db8cdd7..bb43ce081d6 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -325,31 +325,10 @@ static int blkdev_write_end(struct file *file, struct address_space *mapping, static loff_t block_llseek(struct file *file, loff_t offset, int whence) { struct inode *bd_inode = file->f_mapping->host; - loff_t size; loff_t retval; mutex_lock(&bd_inode->i_mutex); - size = i_size_read(bd_inode); - - retval = -EINVAL; - switch (whence) { - case SEEK_END: - offset += size; - break; - case SEEK_CUR: - offset += file->f_pos; - case SEEK_SET: - break; - default: - goto out; - } - if (offset >= 0 && offset <= size) { - if (offset != file->f_pos) { - file->f_pos = offset; - } - retval = offset; - } -out: + retval = fixed_size_llseek(file, offset, whence, i_size_read(bd_inode)); mutex_unlock(&bd_inode->i_mutex); return retval; } @@ -1583,6 +1562,7 @@ static const struct address_space_operations def_blk_aops = { .writepages = generic_writepages, .releasepage = blkdev_releasepage, .direct_IO = blkdev_direct_IO, + .is_dirty_writeback = buffer_check_dirty_writeback, }; const struct file_operations def_blk_fops = { |