inode_to_bdi() will be used by inline functions for the planned cgroup
writeback support. Move it to include/linux/backing-dev.h.
This patch doesn't introduce any behavior changes.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
---
fs/fs-writeback.c | 10 ----------
include/linux/backing-dev.h | 10 ++++++++++
2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 41c9f1e..5130895 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -66,16 +66,6 @@ int writeback_in_progress(struct backing_dev_info *bdi)
}
EXPORT_SYMBOL(writeback_in_progress);
-static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
-{
- struct super_block *sb = inode->i_sb;
-
- if (sb_is_blkdev_sb(sb))
- return inode->i_mapping->backing_dev_info;
-
- return sb->s_bdi;
-}
-
static inline struct inode *wb_inode(struct list_head *head)
{
return list_entry(head, struct inode, i_wb_list);
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 918f5c9..3c6fd34 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -253,4 +253,14 @@ static inline int bdi_sched_wait(void *word)
return 0;
}
+static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
+{
+ struct super_block *sb = inode->i_sb;
+
+ if (sb_is_blkdev_sb(sb))
+ return inode->i_mapping->backing_dev_info;
+
+ return sb->s_bdi;
+}
+
#endif /* _LINUX_BACKING_DEV_H */
--
2.1.0
--
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