From: Hou Tao <houtao1@huawei.com> hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4H3JT CVE: NA backport: openEuler-22.03-LTS --------------------------- Use fs_file_read_do_trace() and trace_fs_file_release() to do that. Signed-off-by: Hou Tao <houtao1@huawei.com> Acked-by: fang wei <fangwei1@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> Reviewed-by: Zhang Yi <yi.zhang@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- fs/ext4/file.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 3b09ddbe8970..6f78f7fbf419 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -30,6 +30,7 @@ #include <linux/uio.h> #include <linux/mman.h> #include <linux/backing-dev.h> +#include <trace/events/fs.h> #include "ext4.h" #include "ext4_jbd2.h" #include "xattr.h" @@ -128,6 +129,7 @@ static ssize_t ext4_file_read_iter(struct kiocb *iocb, struct iov_iter *to) if (iocb->ki_flags & IOCB_DIRECT) return ext4_dio_read_iter(iocb, to); + fs_file_read_do_trace(iocb); return generic_file_read_iter(iocb, to); } @@ -138,6 +140,8 @@ static ssize_t ext4_file_read_iter(struct kiocb *iocb, struct iov_iter *to) */ static int ext4_release_file(struct inode *inode, struct file *filp) { + trace_fs_file_release(inode, filp); + if (ext4_test_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE)) { ext4_alloc_da_blocks(inode); ext4_clear_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE); -- 2.20.1