From: xiongping1 <xiongpi...@xiaomi.com> Signed-off-by: xiongping1 <xiongpi...@xiaomi.com> Signed-off-by: qixiaoyu1 <qixiao...@xiaomi.com> --- fs/f2fs/Kconfig | 7 +++++++ fs/f2fs/Makefile | 1 + fs/f2fs/block_age.c | 28 ++++++++++++++++++++++++++++ fs/f2fs/debug.c | 7 +++++++ fs/f2fs/f2fs.h | 15 +++++++++++++++ fs/f2fs/segment.c | 4 ++++ fs/f2fs/super.c | 4 ++++ 7 files changed, 66 insertions(+) create mode 100644 fs/f2fs/block_age.c
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig index 03ef087537c7..84915f9c6bc8 100644 --- a/fs/f2fs/Kconfig +++ b/fs/f2fs/Kconfig @@ -150,3 +150,10 @@ config F2FS_UNFAIR_RWSEM help Use unfair rw_semaphore, if system configured IO priority by block cgroup. + +config F2FS_FS_DATA_SEPARATION + bool "F2FS hot/cold data separation feature" + depends on F2FS_FS + help + Enable data blocks separation according to block update frequency. + diff --git a/fs/f2fs/Makefile b/fs/f2fs/Makefile index 8a7322d229e4..70d8f0e23b46 100644 --- a/fs/f2fs/Makefile +++ b/fs/f2fs/Makefile @@ -10,3 +10,4 @@ f2fs-$(CONFIG_F2FS_FS_POSIX_ACL) += acl.o f2fs-$(CONFIG_FS_VERITY) += verity.o f2fs-$(CONFIG_F2FS_FS_COMPRESSION) += compress.o f2fs-$(CONFIG_F2FS_IOSTAT) += iostat.o +f2fs-$(CONFIG_F2FS_FS_DATA_SEPARATION) += block_age.o diff --git a/fs/f2fs/block_age.c b/fs/f2fs/block_age.c new file mode 100644 index 000000000000..1e8711a03959 --- /dev/null +++ b/fs/f2fs/block_age.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * fs/f2fs/block_age.c + * + * Copyright (c) 2022 xiaomi Co., Ltd. + * http://www.xiaomi.com/ + */ +#include <linux/fs.h> +#include <linux/f2fs_fs.h> + +#include "f2fs.h" +#include "segment.h" + +static inline void f2fs_inc_data_block_alloc(struct f2fs_sb_info *sbi) +{ + atomic64_inc(&sbi->total_data_alloc); +} + +void f2fs_init_block_age_info(struct f2fs_sb_info *sbi) +{ + atomic64_set(&sbi->total_data_alloc, 0); +} + +void f2fs_inc_block_alloc_count(struct f2fs_sb_info *sbi, int type) +{ + if (IS_DATASEG(type)) + f2fs_inc_data_block_alloc(sbi); +} diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index a216dcdf6941..d24abdac20bb 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -81,6 +81,9 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->ext_tree = atomic_read(&sbi->total_ext_tree); si->zombie_tree = atomic_read(&sbi->total_zombie_tree); si->ext_node = atomic_read(&sbi->total_ext_node); +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION + si->total_data_blocks_alloc = atomic64_read(&sbi->total_data_alloc); +#endif si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES); si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS); si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META); @@ -373,6 +376,10 @@ static int stat_show(struct seq_file *s, void *v) seq_printf(s, "Utilization: %u%% (%u valid blocks)\n", si->utilization, si->valid_count); +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION + seq_printf(s, " - Data Block Allocated: %llu\n", + si->total_data_blocks_alloc); +#endif seq_printf(s, " - Node: %u (Inode: %u, ", si->valid_node_count, si->valid_inode_count); seq_printf(s, "Other: %u)\n - Data: %u\n", diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e6355a5683b7..686f09846de4 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1807,6 +1807,10 @@ struct f2fs_sb_info { u64 sectors_written_start; u64 kbytes_written; +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION + atomic64_t total_data_alloc; +#endif + /* Reference to checksum algorithm driver via cryptoapi */ struct crypto_shash *s_chksum_driver; @@ -3858,6 +3862,9 @@ struct f2fs_stat_info { int main_area_segs, main_area_sections, main_area_zones; unsigned long long hit_largest, hit_cached, hit_rbtree; unsigned long long hit_total, total_ext; +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION + unsigned long long total_data_blocks_alloc; +#endif int ext_tree, zombie_tree, ext_node; int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; int ndirty_data, ndirty_qdata; @@ -4166,6 +4173,14 @@ void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); int __init f2fs_create_extent_cache(void); void f2fs_destroy_extent_cache(void); +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION +/* + * block_age.c + */ +void f2fs_init_block_age_info(struct f2fs_sb_info *sbi); +void f2fs_inc_block_alloc_count(struct f2fs_sb_info *sbi, int type); +#endif + /* * sysfs.c */ diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index acf3d3fa4363..0cf022fd3560 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -3280,6 +3280,10 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr)); locate_dirty_segment(sbi, GET_SEGNO(sbi, *new_blkaddr)); +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION + f2fs_inc_block_alloc_count(sbi, type); +#endif + up_write(&sit_i->sentry_lock); if (page && IS_NODESEG(type)) { diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 3834ead04620..bf799d92282a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -4475,6 +4475,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) f2fs_join_shrinker(sbi); +#ifdef CONFIG_F2FS_FS_DATA_SEPARATION + f2fs_init_block_age_info(sbi); +#endif + f2fs_tuning_parameters(sbi); f2fs_notice(sbi, "Mounted with checkpoint version = %llx", -- 2.36.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel