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authorChao Yu <yuchao0@huawei.com>2017-05-19 23:37:00 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-05-23 21:07:23 -0700
commite41e6d75e5010741f01f8aa4f77a5e8a1786652d (patch)
treead731ba24e0a1742da09e727a5b4afe85ddec783 /fs/f2fs
parent963932a93ceb6bdb0d45572056d8daebf2948cd0 (diff)
downloadlinux-e41e6d75e5010741f01f8aa4f77a5e8a1786652d.tar.bz2
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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/f2fs.h3
-rw-r--r--fs/f2fs/segment.c4
-rw-r--r--fs/f2fs/super.c7
3 files changed, 8 insertions, 6 deletions
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);
}