Introduce queue_dirty() to enqueue a newly dirtied inode.
It helps remove duplicate code.
Cc: Michael Rubin <mrubin@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxxx>
---
fs/fs-writeback.c | 21 +++++++++++++--------
1 files changed, 13 insertions(+), 8 deletions(-)
--- linux-mm.orig/fs/fs-writeback.c
+++ linux-mm/fs/fs-writeback.c
@@ -25,6 +25,15 @@
#include <linux/buffer_head.h>
#include "internal.h"
+/*
+ * Enqueue a newly dirtied inode.
+ */
+static void queue_dirty(struct inode *inode)
+{
+ inode->dirtied_when = jiffies;
+ list_move(&inode->i_list, &inode->i_sb->s_dirty);
+}
+
/**
* __mark_inode_dirty - internal function
* @inode: inode to mark
@@ -122,10 +131,8 @@ void __mark_inode_dirty(struct inode *in
* If the inode was already on s_dirty/s_io/s_more_io, don't
* reposition it (that would break s_dirty time-ordering).
*/
- if (!was_dirty) {
- inode->dirtied_when = jiffies;
- list_move(&inode->i_list, &sb->s_dirty);
- }
+ if (!was_dirty)
+ queue_dirty(inode);
}
out:
spin_unlock(&inode_lock);
@@ -445,10 +452,8 @@ int generic_sync_sb_inodes(struct super_
err = __writeback_single_inode(inode, wbc);
if (!ret)
ret = err;
- if (wbc->sync_mode == WB_SYNC_HOLD) {
- inode->dirtied_when = jiffies;
- list_move(&inode->i_list, &sb->s_dirty);
- }
+ if (wbc->sync_mode == WB_SYNC_HOLD)
+ queue_dirty(inode);
if (current_is_pdflush())
writeback_release(bdi);
if (wbc->pages_skipped != pages_skipped) {
--
-
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