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From: Yangtao Li <frank.li@vivo.com>
Date: Sat, 19 Nov 2022 03:18:39 +0800
Subject: [PATCH] f2fs: introduce IS_F2FS_IPU_* macro
References: bsc#1012628
Patch-mainline: 6.2.5
Git-commit: fdb7ccc3f9cb316c399b072c7a75a106678eb421

[ Upstream commit fdb7ccc3f9cb316c399b072c7a75a106678eb421 ]

IS_F2FS_IPU_* macro can be used to identify whether
f2fs ipu related policies are enabled.

BTW, convert to use BIT() instead of open code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: c5bf83483382 ("f2fs: fix to set ipu policy")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 fs/f2fs/data.c    | 25 ++++++++++---------------
 fs/f2fs/segment.c |  4 ++--
 fs/f2fs/segment.h | 15 +++++++++++++++
 fs/f2fs/super.c   |  4 ++--
 4 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5263d97b..a28d0589 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2535,34 +2535,29 @@ static inline bool check_inplace_update_policy(struct inode *inode,
 				struct f2fs_io_info *fio)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-	unsigned int policy = SM_I(sbi)->ipu_policy;
 
-	if (policy & (0x1 << F2FS_IPU_HONOR_OPU_WRITE) &&
-			is_inode_flag_set(inode, FI_OPU_WRITE))
+	if (IS_F2FS_IPU_HONOR_OPU_WRITE(sbi) &&
+	    is_inode_flag_set(inode, FI_OPU_WRITE))
 		return false;
-	if (policy & (0x1 << F2FS_IPU_FORCE))
+	if (IS_F2FS_IPU_FORCE(sbi))
 		return true;
-	if (policy & (0x1 << F2FS_IPU_SSR) && f2fs_need_SSR(sbi))
+	if (IS_F2FS_IPU_SSR(sbi) && f2fs_need_SSR(sbi))
 		return true;
-	if (policy & (0x1 << F2FS_IPU_UTIL) &&
-			utilization(sbi) > SM_I(sbi)->min_ipu_util)
+	if (IS_F2FS_IPU_UTIL(sbi) && utilization(sbi) > SM_I(sbi)->min_ipu_util)
 		return true;
-	if (policy & (0x1 << F2FS_IPU_SSR_UTIL) && f2fs_need_SSR(sbi) &&
-			utilization(sbi) > SM_I(sbi)->min_ipu_util)
+	if (IS_F2FS_IPU_SSR_UTIL(sbi) && f2fs_need_SSR(sbi) &&
+	    utilization(sbi) > SM_I(sbi)->min_ipu_util)
 		return true;
 
 	/*
 	 * IPU for rewrite async pages
 	 */
-	if (policy & (0x1 << F2FS_IPU_ASYNC) &&
-			fio && fio->op == REQ_OP_WRITE &&
-			!(fio->op_flags & REQ_SYNC) &&
-			!IS_ENCRYPTED(inode))
+	if (IS_F2FS_IPU_ASYNC(sbi) && fio && fio->op == REQ_OP_WRITE &&
+	    !(fio->op_flags & REQ_SYNC) && !IS_ENCRYPTED(inode))
 		return true;
 
 	/* this is only set during fdatasync */
-	if (policy & (0x1 << F2FS_IPU_FSYNC) &&
-			is_inode_flag_set(inode, FI_NEED_IPU))
+	if (IS_F2FS_IPU_FSYNC(sbi) && is_inode_flag_set(inode, FI_NEED_IPU))
 		return true;
 
 	if (unlikely(fio && is_sbi_flag_set(sbi, SBI_CP_DISABLED) &&
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index cf430f34..06cae552 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3498,7 +3498,7 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
 
 	stat_inc_inplace_blocks(fio->sbi);
 
-	if (fio->bio && !(SM_I(sbi)->ipu_policy & (1 << F2FS_IPU_NOCACHE)))
+	if (fio->bio && !IS_F2FS_IPU_NOCACHE(sbi))
 		err = f2fs_merge_page_bio(fio);
 	else
 		err = f2fs_submit_page_bio(fio);
@@ -5137,7 +5137,7 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
 		sm_info->rec_prefree_segments = DEF_MAX_RECLAIM_PREFREE_SEGMENTS;
 
 	if (!f2fs_lfs_mode(sbi))
-		sm_info->ipu_policy = 1 << F2FS_IPU_FSYNC;
+		sm_info->ipu_policy = BIT(F2FS_IPU_FSYNC);
 	sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
 	sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
 	sm_info->min_seq_blocks = sbi->blocks_per_seg;
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 3ad1b7b6..e77518c4 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -681,6 +681,21 @@ enum {
 	F2FS_IPU_HONOR_OPU_WRITE,
 };
 
+#define F2FS_IPU_POLICY(name)					\
+static inline int IS_##name(struct f2fs_sb_info *sbi)		\
+{								\
+	return SM_I(sbi)->ipu_policy & BIT(name);		\
+}
+
+F2FS_IPU_POLICY(F2FS_IPU_FORCE);
+F2FS_IPU_POLICY(F2FS_IPU_SSR);
+F2FS_IPU_POLICY(F2FS_IPU_UTIL);
+F2FS_IPU_POLICY(F2FS_IPU_SSR_UTIL);
+F2FS_IPU_POLICY(F2FS_IPU_FSYNC);
+F2FS_IPU_POLICY(F2FS_IPU_ASYNC);
+F2FS_IPU_POLICY(F2FS_IPU_NOCACHE);
+F2FS_IPU_POLICY(F2FS_IPU_HONOR_OPU_WRITE);
+
 static inline unsigned int curseg_segno(struct f2fs_sb_info *sbi,
 		int type)
 {
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 1f812b9c..87d56a98 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4089,8 +4089,8 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi)
 		if (f2fs_block_unit_discard(sbi))
 			SM_I(sbi)->dcc_info->discard_granularity =
 						MIN_DISCARD_GRANULARITY;
-		SM_I(sbi)->ipu_policy = 1 << F2FS_IPU_FORCE |
-					1 << F2FS_IPU_HONOR_OPU_WRITE;
+		SM_I(sbi)->ipu_policy = BIT(F2FS_IPU_FORCE) |
+					BIT(F2FS_IPU_HONOR_OPU_WRITE);
 	}
 
 	sbi->readdir_ra = true;
-- 
2.35.3