diff options
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/bitmap.h | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h index f785cf26cbad..cfe60cfc8f3d 100644 --- a/include/linux/raid/bitmap.h +++ b/include/linux/raid/bitmap.h @@ -233,21 +233,12 @@ struct bitmap { unsigned long daemon_sleep; /* how many seconds between updates? */ /* - * bitmap write daemon - this daemon performs writes to the bitmap file - * this thread is only needed because of a limitation in ext3 (jbd) - * that does not allow a task to have two journal transactions ongoing - * simultaneously (even if the transactions are for two different - * filesystems) -- in the case of bitmap, that would be the filesystem - * that the bitmap file resides on and the filesystem that is mounted - * on the md device -- see current->journal_info in jbd/transaction.c + * bitmap_writeback_daemon waits for file-pages that have been written, + * as there is no way to get a call-back when a page write completes. */ mdk_thread_t *writeback_daemon; spinlock_t write_lock; - struct semaphore write_ready; - struct semaphore write_done; - unsigned long writes_pending; wait_queue_head_t write_wait; - struct list_head write_pages; struct list_head complete_pages; mempool_t *write_pool; }; |