From 8ec071c363da3f45585b338b2037de289379939c Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Tue, 4 Oct 2022 09:11:33 +0800 Subject: f2fs: account swapfile inodes In order to check count of opened swapfile inodes. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 2 ++ fs/f2fs/debug.c | 4 ++++ fs/f2fs/f2fs.h | 9 ++++++++- 3 files changed, 14 insertions(+), 1 deletion(-) (limited to 'fs/f2fs') diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 1c82a4a4e861..5f895ddcd64a 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3989,6 +3989,7 @@ static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file, if (ret < 0) return ret; + stat_inc_swapfile_inode(inode); set_inode_flag(inode, FI_PIN_FILE); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); return ret; @@ -3998,6 +3999,7 @@ static void f2fs_swap_deactivate(struct file *file) { struct inode *inode = file_inode(file); + stat_dec_swapfile_inode(inode); clear_inode_flag(inode, FI_PIN_FILE); } #else diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 29cf5b6b2341..7a9dd2319155 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -135,6 +135,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->inline_inode = atomic_read(&sbi->inline_inode); si->inline_dir = atomic_read(&sbi->inline_dir); si->compr_inode = atomic_read(&sbi->compr_inode); + si->swapfile_inode = atomic_read(&sbi->swapfile_inode); si->compr_blocks = atomic64_read(&sbi->compr_blocks); si->append = sbi->im[APPEND_INO].ino_num; si->update = sbi->im[UPDATE_INO].ino_num; @@ -385,6 +386,8 @@ static int stat_show(struct seq_file *s, void *v) si->inline_dir); seq_printf(s, " - Compressed Inode: %u, Blocks: %llu\n", si->compr_inode, si->compr_blocks); + seq_printf(s, " - Swapfile Inode: %u\n", + si->swapfile_inode); seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n", si->orphans, si->append, si->update); seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", @@ -607,6 +610,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi) atomic_set(&sbi->inline_dir, 0); atomic_set(&sbi->compr_inode, 0); atomic64_set(&sbi->compr_blocks, 0); + atomic_set(&sbi->swapfile_inode, 0); atomic_set(&sbi->inplace_count, 0); for (i = META_CP; i < META_MAX; i++) atomic_set(&sbi->meta_count[i], 0); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 1ebc08be958e..134581defe4a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1770,6 +1770,7 @@ struct f2fs_sb_info { atomic_t inline_dir; /* # of inline_dentry inodes */ atomic_t compr_inode; /* # of compressed inodes */ atomic64_t compr_blocks; /* # of compressed blocks */ + atomic_t swapfile_inode; /* # of swapfile inodes */ atomic_t max_aw_cnt; /* max # of atomic writes */ unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ unsigned int other_skip_bggc; /* skip background gc for other reasons */ @@ -3876,7 +3877,7 @@ struct f2fs_stat_info { int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt; unsigned int cur_ckpt_time, peak_ckpt_time; int inline_xattr, inline_inode, inline_dir, append, update, orphans; - int compr_inode; + int compr_inode, swapfile_inode; unsigned long long compr_blocks; int aw_cnt, max_aw_cnt; unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; @@ -3965,6 +3966,10 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) #define stat_sub_compr_blocks(inode, blocks) \ (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) +#define stat_inc_swapfile_inode(inode) \ + (atomic_inc(&F2FS_I_SB(inode)->swapfile_inode)) +#define stat_dec_swapfile_inode(inode) \ + (atomic_dec(&F2FS_I_SB(inode)->swapfile_inode)) #define stat_inc_meta_count(sbi, blkaddr) \ do { \ if (blkaddr < SIT_I(sbi)->sit_base_addr) \ @@ -4049,6 +4054,8 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi); #define stat_dec_compr_inode(inode) do { } while (0) #define stat_add_compr_blocks(inode, blocks) do { } while (0) #define stat_sub_compr_blocks(inode, blocks) do { } while (0) +#define stat_inc_swapfile_inode(inode) do { } while (0) +#define stat_dec_swapfile_inode(inode) do { } while (0) #define stat_update_max_atomic_write(inode) do { } while (0) #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) #define stat_inc_seg_type(sbi, curseg) do { } while (0) -- cgit v1.2.3