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authorChristoph Hellwig <hch@lst.de>2015-01-14 10:42:32 +0100
committerJens Axboe <axboe@fb.com>2015-01-20 14:02:58 -0700
commitb4caecd48005fbed3949dde6c1cb233142fd69e9 (patch)
tree1fdd9b7c15568c79eb3c1ed84a39858ddbcbc88b /fs/ncpfs/inode.c
parent97b713ba3ebaa6c8d84c2c720f5468a7c6a6eb4e (diff)
fs: introduce f_op->mmap_capabilities for nommu mmap support
Since "BDI: Provide backing device capability information [try #3]" the backing_dev_info structure also provides flags for the kind of mmap operation available in a nommu environment, which is entirely unrelated to it's original purpose. Introduce a new nommu-only file operation to provide this information to the nommu mmap code instead. Splitting this from the backing_dev_info structure allows to remove lots of backing_dev_info instance that aren't otherwise needed, and entirely gets rid of the concept of providing a backing_dev_info for a character device. It also removes the need for the mtd_inodefs filesystem. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Tejun Heo <tj@kernel.org> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/ncpfs/inode.c')
-rw-r--r--fs/ncpfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index e31e589369a4..a699a3fc62c0 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -560,7 +560,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
server = NCP_SBP(sb);
memset(server, 0, sizeof(*server));
- error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY);
+ error = bdi_setup_and_register(&server->bdi, "ncpfs");
if (error)
goto out_fput;