Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH 1/3] f2fs: split wio_mutex | Date | Tue, 9 May 2017 00:33:20 +0800 |
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From: Chao Yu <yuchao0@huawei.com>
Split wio_mutex to adjust different temperature bio cache.
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- 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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