linux-kernel - [PATCH 1/3] f2fs: initialize extent

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Date:   Fri, 16 Dec 2022 16:46:57 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/3] f2fs: initialize extent_cache parameter

This can avoid confusing tracepoint values.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/data.c         | 2 +-
 fs/f2fs/extent_cache.c | 2 +-
 fs/f2fs/file.c         | 2 +-
 fs/f2fs/segment.c      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 505194c8a258..5f589b8b3b5c 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2191,7 +2191,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
 	sector_t last_block_in_file;
 	const unsigned blocksize = blks_to_bytes(inode, 1);
 	struct decompress_io_ctx *dic = NULL;
-	struct extent_info ei = {0, };
+	struct extent_info ei = {};
 	bool from_dnode = true;
 	int i;
 	int ret = 0;
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 4721f5b0d8b3..749209005644 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -938,7 +938,7 @@ static int __get_new_block_age(struct inode *inode, struct extent_info *ei)
 
 static void __update_extent_cache(struct dnode_of_data *dn, enum extent_type type)
 {
-	struct extent_info ei;
+	struct extent_info ei = {};
 
 	if (!__may_extent_tree(dn->inode, type))
 		return;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a22677345d23..a0c0e0e9e83d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2560,7 +2560,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 	struct f2fs_map_blocks map = { .m_next_extent = NULL,
 					.m_seg_type = NO_CHECK_TYPE,
 					.m_may_create = false };
-	struct extent_info ei = {0, };
+	struct extent_info ei = {};
 	pgoff_t pg_start, pg_end, next_pgofs;
 	unsigned int blk_per_seg = sbi->blocks_per_seg;
 	unsigned int total = 0, sec_num;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e2af10d8132b..f8c76ef278df 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3159,7 +3159,7 @@ static int __get_segment_type_4(struct f2fs_io_info *fio)
 static int __get_age_segment_type(struct inode *inode, pgoff_t pgofs)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-	struct extent_info ei;
+	struct extent_info ei = {};
 
 	if (f2fs_lookup_age_extent_cache(inode, pgofs, &ei)) {
 		if (!ei.age)
-- 
2.39.0.314.g84b9a713c41-goog