From: Chao Yu <yuchao0@huawei.com>
Date: Fri, 19 May 2017 15:37:00 +0000 (+0800)
Subject: f2fs: split wio_mutex
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e41e6d75e5010741f01f8aa4f77a5e8a1786652d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

f2fs: split wio_mutex

Split wio_mutex to adjust different temperature bio cache.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f61e095947c8..093d68a7ae47 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -894,7 +894,8 @@ struct f2fs_sb_info {
 
 	/* for bio operations */
 	struct f2fs_bio_info *write_io[NR_PAGE_TYPE];	/* for write bios */
-	struct mutex wio_mutex[NODE + 1];	/* bio ordering for NODE/DATA */
+	struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE];
+						/* bio ordering for NODE/DATA */
 	int write_io_size_bits;			/* Write IO size bits */
 	mempool_t *write_io_dummy;		/* Dummy pages */
 
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 7ac3a0c84bfd..63850e023c10 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2154,7 +2154,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
 	int err;
 
 	if (fio->type == NODE || fio->type == DATA)
-		mutex_lock(&fio->sbi->wio_mutex[fio->type]);
+		mutex_lock(&fio->sbi->wio_mutex[fio->type][fio->temp]);
 reallocate:
 	allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
 					&fio->new_blkaddr, sum, type);
@@ -2167,7 +2167,7 @@ reallocate:
 	}
 
 	if (fio->type == NODE || fio->type == DATA)
-		mutex_unlock(&fio->sbi->wio_mutex[fio->type]);
+		mutex_unlock(&fio->sbi->wio_mutex[fio->type][fio->temp]);
 }
 
 void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index aa451ec9fb80..b700766d0cbf 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1571,7 +1571,7 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
 static void init_sb_info(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_super_block *raw_super = sbi->raw_super;
-	int i;
+	int i, j;
 
 	sbi->log_sectors_per_block =
 		le32_to_cpu(raw_super->log_sectors_per_block);
@@ -1603,8 +1603,9 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
 
 	INIT_LIST_HEAD(&sbi->s_list);
 	mutex_init(&sbi->umount_mutex);
-	mutex_init(&sbi->wio_mutex[NODE]);
-	mutex_init(&sbi->wio_mutex[DATA]);
+	for (i = 0; i < NR_PAGE_TYPE - 1; i++)
+		for (j = HOT; j < NR_TEMP_TYPE; j++)
+			mutex_init(&sbi->wio_mutex[i][j]);
 	spin_lock_init(&sbi->cp_lock);
 }