writeback_inodes_sb{_nr}_if_idle() is not invoked by other functions, so
cleanup them.
No module calls writeback_inodes_sb_nr(), so its export is unused, cleanup it.
Signed-off-by: Miao Xie <miaox@xxxxxxxxxxxxxx>
---
fs/fs-writeback.c | 44 --------------------------------------------
include/linux/writeback.h | 3 ---
2 files changed, 0 insertions(+), 47 deletions(-)
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index b0c35c3..7bcb822 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1230,7 +1230,6 @@ void writeback_inodes_sb_nr(struct super_block *sb,
bdi_queue_work(sb->s_bdi, &work);
wait_for_completion(&done);
}
-EXPORT_SYMBOL(writeback_inodes_sb_nr);
/**
* writeback_inodes_sb - writeback dirty inodes from given super_block
@@ -1248,49 +1247,6 @@ void writeback_inodes_sb(struct super_block *sb, enum wb_reason reason)
EXPORT_SYMBOL(writeback_inodes_sb);
/**
- * writeback_inodes_sb_if_idle - start writeback if none underway
- * @sb: the superblock
- * @reason: reason why some writeback work was initiated
- *
- * Invoke writeback_inodes_sb if no writeback is currently underway.
- * Returns 1 if writeback was started, 0 if not.
- */
-int writeback_inodes_sb_if_idle(struct super_block *sb, enum wb_reason reason)
-{
- if (!writeback_in_progress(sb->s_bdi)) {
- down_read(&sb->s_umount);
- writeback_inodes_sb(sb, reason);
- up_read(&sb->s_umount);
- return 1;
- } else
- return 0;
-}
-EXPORT_SYMBOL(writeback_inodes_sb_if_idle);
-
-/**
- * writeback_inodes_sb_nr_if_idle - start writeback if none underway
- * @sb: the superblock
- * @nr: the number of pages to write
- * @reason: reason why some writeback work was initiated
- *
- * Invoke writeback_inodes_sb if no writeback is currently underway.
- * Returns 1 if writeback was started, 0 if not.
- */
-int writeback_inodes_sb_nr_if_idle(struct super_block *sb,
- unsigned long nr,
- enum wb_reason reason)
-{
- if (!writeback_in_progress(sb->s_bdi)) {
- down_read(&sb->s_umount);
- writeback_inodes_sb_nr(sb, nr, reason);
- up_read(&sb->s_umount);
- return 1;
- } else
- return 0;
-}
-EXPORT_SYMBOL(writeback_inodes_sb_nr_if_idle);
-
-/**
* try_to_writeback_inodes_sb_nr - try to start writeback if none underway
* @sb: the superblock
* @nr: the number of pages to write
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index d8e2a99..0552d1a 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -86,9 +86,6 @@ int inode_wait(void *);
void writeback_inodes_sb(struct super_block *, enum wb_reason reason);
void writeback_inodes_sb_nr(struct super_block *, unsigned long nr,
enum wb_reason reason);
-int writeback_inodes_sb_if_idle(struct super_block *, enum wb_reason reason);
-int writeback_inodes_sb_nr_if_idle(struct super_block *, unsigned long nr,
- enum wb_reason reason);
int try_to_writeback_inodes_sb(struct super_block *, enum wb_reason reason);
int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr,
enum wb_reason reason);
--
1.7.6.5
--
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