From: Chao Yu <[email protected]>

Split wio_mutex to adjust different temperature bio cache.

Signed-off-by: Chao Yu <[email protected]>
---
 fs/f2fs/f2fs.h    | 2 +-
 fs/f2fs/segment.c | 6 ++----
 fs/f2fs/super.c   | 4 ++--
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4ab42749fd5f..500a4c21cfe8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -882,7 +882,7 @@ struct f2fs_sb_info {
        /* for bio operations */
        struct f2fs_bio_info meta_io[2];                /* for meta bios */
        struct f2fs_bio_info log_io[NR_CURSEG_TYPE];    /* for log bios */
-       struct mutex wio_mutex[NODE + 1];       /* bio ordering for NODE/DATA */
+       struct mutex wio_mutex[NR_CURSEG_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 cdf7d61ac213..9fa6b0682d94 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2145,8 +2145,7 @@ static void do_write_page(struct f2fs_summary *sum, 
struct f2fs_io_info *fio)
 
        fio->seg_type = __get_segment_type(fio->page, fio->type);
 
-       if (fio->type == NODE || fio->type == DATA)
-               mutex_lock(&fio->sbi->wio_mutex[fio->type]);
+       mutex_lock(&fio->sbi->wio_mutex[fio->seg_type]);
 reallocate:
        allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
                                        &fio->new_blkaddr, sum, fio->seg_type);
@@ -2158,8 +2157,7 @@ static void do_write_page(struct f2fs_summary *sum, 
struct f2fs_io_info *fio)
                goto reallocate;
        }
 
-       if (fio->type == NODE || fio->type == DATA)
-               mutex_unlock(&fio->sbi->wio_mutex[fio->type]);
+       mutex_unlock(&fio->sbi->wio_mutex[fio->seg_type]);
 }
 
 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 fed25ca609e4..8fb16e9e6eb4 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1584,8 +1584,8 @@ 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_CURSEG_TYPE; i++)
+               mutex_init(&sbi->wio_mutex[i]);
        spin_lock_init(&sbi->cp_lock);
 }
 
-- 
2.12.2.575.gb14f27f


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