From: Hou Tao houtao1@huawei.com
hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I7Y9JD CVE: NA
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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 Signed-off-by: ZhaoLong Wang wangzhaolong1@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 d101b3b0c7da..296004b243c6 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" @@ -144,6 +145,7 @@ 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); }
@@ -154,6 +156,8 @@ 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);