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Date: Mon, 22 Jun 2020 17:38:48 +0800
From: Chao Yu <yuchao0@...wei.com>
To: <jaegeuk@...nel.org>
CC: <linux-f2fs-devel@...ts.sourceforge.net>,
<linux-kernel@...r.kernel.org>, <chao@...nel.org>,
Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 1/2] f2fs: split f2fs_allocate_new_segments()
to two independent functions:
- f2fs_allocate_new_segment() for specified type segment allocation
- f2fs_allocate_new_segments() for all data type segments allocation
Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
fs/f2fs/f2fs.h | 3 ++-
fs/f2fs/file.c | 2 +-
fs/f2fs/recovery.c | 2 +-
fs/f2fs/segment.c | 39 +++++++++++++++++++++++----------------
4 files changed, 27 insertions(+), 19 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 70565d81320b..07290943e91d 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3327,7 +3327,8 @@ void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
unsigned int start, unsigned int end);
-void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type);
+void f2fs_allocate_new_segment(struct f2fs_sb_info *sbi, int type);
+void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
struct cp_control *cpc);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f196187159e9..67c65e40b22b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1659,7 +1659,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
map.m_seg_type = CURSEG_COLD_DATA_PINNED;
f2fs_lock_op(sbi);
- f2fs_allocate_new_segments(sbi, CURSEG_COLD_DATA);
+ f2fs_allocate_new_segment(sbi, CURSEG_COLD_DATA_PINNED);
f2fs_unlock_op(sbi);
err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_DIO);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index ae5310f02e7f..af974ba273b3 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -742,7 +742,7 @@ static int recover_data(struct f2fs_sb_info *sbi, struct list_head *inode_list,
f2fs_put_page(page, 1);
}
if (!err)
- f2fs_allocate_new_segments(sbi, NO_CHECK_TYPE);
+ f2fs_allocate_new_segments(sbi);
return err;
}
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 113114f98087..f15711e8ee5b 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2707,28 +2707,35 @@ void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
up_read(&SM_I(sbi)->curseg_lock);
}
-void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type)
+void __allocate_new_segment(struct f2fs_sb_info *sbi, int type)
{
- struct curseg_info *curseg;
+ struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int old_segno;
- int i;
- down_write(&SIT_I(sbi)->sentry_lock);
+ if (!curseg->next_blkoff &&
+ !get_valid_blocks(sbi, curseg->segno, false) &&
+ !get_ckpt_valid_blocks(sbi, curseg->segno))
+ return;
- for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
- if (type != NO_CHECK_TYPE && i != type)
- continue;
+ old_segno = curseg->segno;
+ SIT_I(sbi)->s_ops->allocate_segment(sbi, type, true);
+ locate_dirty_segment(sbi, old_segno);
+}
- curseg = CURSEG_I(sbi, i);
- if (type == NO_CHECK_TYPE || curseg->next_blkoff ||
- get_valid_blocks(sbi, curseg->segno, false) ||
- get_ckpt_valid_blocks(sbi, curseg->segno)) {
- old_segno = curseg->segno;
- SIT_I(sbi)->s_ops->allocate_segment(sbi, i, true);
- locate_dirty_segment(sbi, old_segno);
- }
- }
+void f2fs_allocate_new_segment(struct f2fs_sb_info *sbi, int type)
+{
+ down_write(&SIT_I(sbi)->sentry_lock);
+ __allocate_new_segment(sbi, type);
+ up_write(&SIT_I(sbi)->sentry_lock);
+}
+void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
+{
+ int i;
+
+ down_write(&SIT_I(sbi)->sentry_lock);
+ for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
+ __allocate_new_segment(sbi, i);
up_write(&SIT_I(sbi)->sentry_lock);
}
--
2.26.2
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