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| author | Christoph Hellwig <hch@lst.de> | 2020-09-24 08:51:32 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-09-24 13:43:39 -0600 |
| commit | 55b2598e84e97efc5d952958cb5e34236c43276b (patch) | |
| tree | 7c73dedc9d9d3add3d3bd9ab94b1bbe69885aa57 /fs/9p | |
| parent | 9e82d35b95e55aa50d264caee64a17840e3981b7 (diff) | |
| download | lwn-55b2598e84e97efc5d952958cb5e34236c43276b.tar.gz lwn-55b2598e84e97efc5d952958cb5e34236c43276b.zip | |
bdi: initialize ->ra_pages and ->io_pages in bdi_init
Set up a readahead size by default, as very few users have a good
reason to change it. This means code, ecryptfs, and orangefs now
set up the values while they were previously missing it, while ubifs,
mtd and vboxsf manually set it to 0 to avoid readahead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: David Sterba <dsterba@suse.com> [btrfs]
Acked-by: Richard Weinberger <richard@nod.at> [ubifs, mtd]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_super.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 74df32be4c6a..e34fa20acf61 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -80,8 +80,10 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, if (ret) return ret; - if (v9ses->cache) - sb->s_bdi->ra_pages = VM_READAHEAD_PAGES; + if (!v9ses->cache) { + sb->s_bdi->ra_pages = 0; + sb->s_bdi->io_pages = 0; + } sb->s_flags |= SB_ACTIVE | SB_DIRSYNC; if (!v9ses->cache) |