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| author | Tejun Heo <tj@kernel.org> | 2015-07-23 14:27:09 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-07-23 13:36:44 -0600 |
| commit | 5aa2a96b34073fb775917fbc7d5578a04164b9f7 (patch) | |
| tree | 6fb44815a7eedf80da999779dc6be7d1eb65e6a9 | |
| parent | 5f6c2d2b7dbb541c1e922538c49fa04c494ae3d7 (diff) | |
| download | linux-5aa2a96b34073fb775917fbc7d5578a04164b9f7.tar.bz2 | |
block: export bio_associate_*() and wbc_account_io()
bio_associate_blkcg(), bio_associate_current() and wbc_account_io()
are used to implement cgroup writeback support for filesystems and
thus need to be exported. Export them.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <axboe@fb.com>
| -rw-r--r-- | block/bio.c | 2 | ||||
| -rw-r--r-- | fs/fs-writeback.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c index 2a00d349cd68..b671a0ff731c 100644 --- a/block/bio.c +++ b/block/bio.c @@ -2009,6 +2009,7 @@ int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css) bio->bi_css = blkcg_css; return 0; } +EXPORT_SYMBOL_GPL(bio_associate_blkcg); /** * bio_associate_current - associate a bio with %current @@ -2039,6 +2040,7 @@ int bio_associate_current(struct bio *bio) bio->bi_css = task_get_css(current, blkio_cgrp_id); return 0; } +EXPORT_SYMBOL_GPL(bio_associate_current); /** * bio_disassociate_task - undo bio_associate_current() diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index f0520bcf2094..518c6294bf6c 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -702,6 +702,7 @@ void wbc_account_io(struct writeback_control *wbc, struct page *page, else wbc->wb_tcand_bytes -= min(bytes, wbc->wb_tcand_bytes); } +EXPORT_SYMBOL_GPL(wbc_account_io); /** * inode_congested - test whether an inode is congested |