From 5b0e95398e2bcc18e871758221cc712be4a0a39a Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Mon, 7 May 2018 14:22:40 -0700
Subject: f2fs: introduce sbi->gc_mode to determine the policy
This is to avoid sbi->gc_thread pointer access.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/f2fs.h | 8 ++++++++
1 file changed, 8 insertions(+)
(limited to 'fs/f2fs/f2fs.h')
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 24eab9622ad1..72b9cd71d2fc 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1066,6 +1066,13 @@ enum {
MAX_TIME,
};
+enum {
+ GC_NORMAL,
+ GC_IDLE_CB,
+ GC_IDLE_GREEDY,
+ GC_URGENT,
+};
+
enum {
WHINT_MODE_OFF, /* not pass down write hints */
WHINT_MODE_USER, /* try to pass down hints given by users */
@@ -1197,6 +1204,7 @@ struct f2fs_sb_info {
struct mutex gc_mutex; /* mutex for GC */
struct f2fs_gc_kthread *gc_thread; /* GC thread */
unsigned int cur_victim_sec; /* current victim section num */
+ unsigned int gc_mode; /* current GC state */
/* threshold for gc trials on pinned files */
u64 gc_pin_file_threshold;
--
cgit