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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-03-17 09:35:06 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-03-26 11:01:33 +0100 |
| commit | 26160158d3d3df548f4ee046cc6147fe048cfa9c (patch) | |
| tree | 19affc0b08f00ac22e8881d6ec73061a8764cc5d /mm/readahead.c | |
| parent | 07e86f405addc6436eb969b8279bb14a6dcacce4 (diff) | |
| download | lwn-26160158d3d3df548f4ee046cc6147fe048cfa9c.tar.gz lwn-26160158d3d3df548f4ee046cc6147fe048cfa9c.zip | |
Move the default_backing_dev_info out of readahead.c and into backing-dev.c
It really makes no sense to have it in readahead.c, so move it where
it belongs.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'mm/readahead.c')
| -rw-r--r-- | mm/readahead.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index bec83c15a78f..9ce303d4b810 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -17,19 +17,6 @@ #include <linux/pagevec.h> #include <linux/pagemap.h> -void default_unplug_io_fn(struct backing_dev_info *bdi, struct page *page) -{ -} -EXPORT_SYMBOL(default_unplug_io_fn); - -struct backing_dev_info default_backing_dev_info = { - .ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE, - .state = 0, - .capabilities = BDI_CAP_MAP_COPY, - .unplug_io_fn = default_unplug_io_fn, -}; -EXPORT_SYMBOL_GPL(default_backing_dev_info); - /* * Initialise a struct file's readahead state. Assumes that the caller has * memset *ra to zero. @@ -233,18 +220,6 @@ unsigned long max_sane_readahead(unsigned long nr) + node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2); } -static int __init readahead_init(void) -{ - int err; - - err = bdi_init(&default_backing_dev_info); - if (!err) - bdi_register(&default_backing_dev_info, NULL, "default"); - - return err; -} -subsys_initcall(readahead_init); - /* * Submit IO for the read-ahead request in file_ra_state. */ |