From b8d96a30b6f1c29e1ab716b3727a63fe7268f661 Mon Sep 17 00:00:00 2001 From: Hou Pengyang Date: Mon, 27 Feb 2017 13:02:58 +0000 Subject: f2fs: add f2fs_drop_inode tracepoint Signed-off-by: Hou Pengyang Signed-off-by: Jaegeuk Kim --- fs/f2fs/super.c | 7 +++++-- include/trace/events/f2fs.h | 7 +++++++ 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index fe714d549a6a..2d494d5239c5 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -624,6 +624,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) static int f2fs_drop_inode(struct inode *inode) { + int ret; /* * This is to avoid a deadlock condition like below. * writeback_single_inode(inode) @@ -656,10 +657,12 @@ static int f2fs_drop_inode(struct inode *inode) spin_lock(&inode->i_lock); atomic_dec(&inode->i_count); } + trace_f2fs_drop_inode(inode, 0); return 0; } - - return generic_drop_inode(inode); + ret = generic_drop_inode(inode); + trace_f2fs_drop_inode(inode, ret); + return ret; } int f2fs_inode_dirtied(struct inode *inode, bool sync) diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index ff31ccfb8111..c80fcad0a6c9 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -315,6 +315,13 @@ DEFINE_EVENT(f2fs__inode_exit, f2fs_unlink_exit, TP_ARGS(inode, ret) ); +DEFINE_EVENT(f2fs__inode_exit, f2fs_drop_inode, + + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret) +); + DEFINE_EVENT(f2fs__inode, f2fs_truncate, TP_PROTO(struct inode *inode), -- cgit v1.2.3