diff options
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/bitmap.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 7e015c9ea73..d2ab7d3df3e 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -732,43 +732,25 @@ static int bitmap_storage_alloc(struct bitmap_storage *store, return 0; } -static void bitmap_file_unmap(struct bitmap *bitmap) +static void bitmap_file_unmap(struct bitmap_storage *store) { struct page **map, *sb_page; - unsigned long *attr; int pages; - struct bitmap_storage *store = &bitmap->storage; + struct file *file; + file = store->file; map = store->filemap; - store->filemap = NULL; - attr = store->filemap_attr; - store->filemap_attr = NULL; pages = store->file_pages; - store->file_pages = 0; sb_page = store->sb_page; - store->sb_page = NULL; while (pages--) if (map[pages] != sb_page) /* 0 is sb_page, release it below */ free_buffers(map[pages]); kfree(map); - kfree(attr); + kfree(store->filemap_attr); if (sb_page) free_buffers(sb_page); -} - -static void bitmap_file_put(struct bitmap *bitmap) -{ - struct file *file; - - file = bitmap->storage.file; - bitmap->storage.file = NULL; - - if (file) - wait_event(bitmap->write_wait, - atomic_read(&bitmap->pending_writes)==0); - bitmap_file_unmap(bitmap); if (file) { struct inode *inode = file->f_path.dentry->d_inode; @@ -1610,8 +1592,12 @@ static void bitmap_free(struct bitmap *bitmap) if (!bitmap) /* there was no bitmap */ return; - /* release the bitmap file and kill the daemon */ - bitmap_file_put(bitmap); + /* Shouldn't be needed - but just in case.... */ + wait_event(bitmap->write_wait, + atomic_read(&bitmap->pending_writes) == 0); + + /* release the bitmap file */ + bitmap_file_unmap(&bitmap->storage); bp = bitmap->bp; pages = bitmap->pages; |