simoop: get rid of dirty_an_inode

This was just generating load for no reason, it's hard to make sense of
from a benchmarking point of view.

Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 0 insertions, 27 deletions

diff --git a/simoop.c b/simoop.c
index 193330f..664c831 100644
--- a/simoop.c
+++ b/simoop.c
@@ -1298,20 +1298,6 @@ static void *du_thread(void *arg)
 	return NULL;
 }
 
-/*
- * create a temporary file and dirty it
- */
-static void dirty_an_inode(char *path)
-{
-	int fd;
-	int seq = rand() % num_files;
-
-	fd = open_path(path, seq, TMP_FILE, 0);
-	ftruncate(fd, 100);
-	ftruncate(fd, 0);
-	close(fd);
-}
-
 static void record_one_lat(struct stats *stat, struct timeval *start,
 			   struct timeval *finish)
 {
@@ -1328,7 +1314,6 @@ static void read_from_file(char *path, int seq, char *buf)
 {
 	int fd;
 	int ret;
-	int i;
 	off_t offset;
 	ssize_t read_bytes = read_size;
 	struct stat st;
@@ -1358,11 +1343,6 @@ static void read_from_file(char *path, int seq, char *buf)
 	read_and_crc(fd, name, xxhash_state, buf, read_bytes, offset,
 		     read_bytes, st.st_ino);
 
-	/* if we don't have writers making dirty inodes, make some here */
-	if (!write_size) {
-		for (i = 0; i < 8; i++)
-			dirty_an_inode(path);
-	}
 	close(fd);
 	XXH32_digest(xxhash_state);
 }
@@ -1413,7 +1393,6 @@ static void read_whole_file(char *path, int seq, char *postfix,
 static void write_to_file(char *path, int seq, char *buf)
 {
 	int fd;
-	int i;
 	int ret;
 	int write_bytes = randomize_size(write_size);
 	loff_t offset;
@@ -1460,12 +1439,6 @@ static void write_to_file(char *path, int seq, char *buf)
 
 	XXH32_digest(xxhash_state);
 
-	/* make some dirty inodes */
-	if (!append_mode) {
-		for (i = 0; i < 8; i++)
-			dirty_an_inode(path);
-	}
-
 	maybe_write_through(fd, 0, 0);
 	if (verify_writes && write_size >= BUF_SIZE)
 		read_whole_fd(fd, name, buf, BUF_SIZE);