diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 10:42:31 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-20 14:02:56 -0700 |
| commit | 97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e (patch) | |
| tree | a2a430b22f8c220e719114786905b18aa605f9ec /mm/swap_state.c | |
| parent | a7a2c680a2ad81b3181a335ee76e23d5195007ee (diff) | |
| download | linux-97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e.tar.bz2 | |
fs: kill BDI_CAP_SWAP_BACKED
This bdi flag isn't too useful - we can determine that a vma is backed by
either swap or shmem trivially in the caller.
This also allows removing the backing_dev_info instaces for swap and shmem
in favor of noop_backing_dev_info.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'mm/swap_state.c')
| -rw-r--r-- | mm/swap_state.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c index 9711342987a0..1c137b69ecde 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -32,17 +32,12 @@ static const struct address_space_operations swap_aops = { #endif }; -static struct backing_dev_info swap_backing_dev_info = { - .name = "swap", - .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_SWAP_BACKED, -}; - struct address_space swapper_spaces[MAX_SWAPFILES] = { [0 ... MAX_SWAPFILES - 1] = { .page_tree = RADIX_TREE_INIT(GFP_ATOMIC|__GFP_NOWARN), .i_mmap_writable = ATOMIC_INIT(0), .a_ops = &swap_aops, - .backing_dev_info = &swap_backing_dev_info, + .backing_dev_info = &noop_backing_dev_info, } }; |