From ce8c59d197c824789e1ade6f25d36037b4f0faeb Mon Sep 17 00:00:00 2001 From: Harshad Shirwadkar Date: Thu, 15 Oct 2020 13:38:01 -0700 Subject: ext4: add fast commit stats in procfs This commit adds a file in procfs that tracks fast commit related statistics. root@kvm-xfstests:/mnt# cat /proc/fs/ext4/vdc/fc_info fc stats: 7772 commits 15 ineligible 4083 numblks 2242us avg_commit_time Ineligible reasons: "Extended attributes changed": 0 "Cross rename": 0 "Journal flag changed": 0 "Insufficient memory": 0 "Swap boot": 0 "Resize": 0 "Dir renamed": 0 "Falloc range op": 0 "FC Commit Failed": 15 Signed-off-by: Harshad Shirwadkar Link: https://lore.kernel.org/r/20201015203802.3597742-10-harshadshirwadkar@gmail.com Signed-off-by: Theodore Ts'o --- fs/ext4/ext4.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ext4/ext4.h') diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 152500725acf..0906fd48424b 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2740,7 +2740,7 @@ extern int ext4_init_inode_table(struct super_block *sb, extern void ext4_end_bitmap_read(struct buffer_head *bh, int uptodate); /* fast_commit.c */ - +int ext4_fc_info_show(struct seq_file *seq, void *v); void ext4_fc_init(struct super_block *sb, journal_t *journal); void ext4_fc_init_inode(struct inode *inode); void ext4_fc_track_range(struct inode *inode, ext4_lblk_t start, -- cgit v1.2.3