specifying a maximum disk I/O rate (and have that affect a maximum stat()
rate or something like that).
---- old/flist.c
-+++ new/flist.c
-@@ -58,6 +58,7 @@ extern int copy_links;
- extern int copy_unsafe_links;
- extern int protocol_version;
- extern int sanitize_paths;
+To use this patch, run these commands for a successful build:
+
+ patch -p1 <patches/slow-down.diff
+ ./configure (optional if already run)
+ make
+
+diff --git a/flist.c b/flist.c
+--- a/flist.c
++++ b/flist.c
+@@ -68,6 +68,7 @@ extern int sanitize_paths;
+ extern int munge_symlinks;
+ extern int need_unsorted_flist;
+ extern int unsort_ndx;
+extern unsigned long sleep_asec;
- extern const char *io_write_phase;
extern struct stats stats;
- extern struct file_list *the_file_list;
-@@ -1049,6 +1050,9 @@ static void send_directory(int f, struct
+ extern char *filesfrom_host;
+
+@@ -1572,6 +1573,9 @@ static void send_directory(int f, struct file_list *flist, char *fbuf, int len,
}
- send_file_name(f, flist, fbuf, NULL, 0);
+ send_file_name(f, flist, fbuf, NULL, flags, filter_level);
+ /* Sleep for a bit, to avoid hammering the disk. */
+ if (sleep_asec)
+ usleep(sleep_asec);
}
fbuf[len] = '\0';
---- old/options.c
-+++ new/options.c
-@@ -102,6 +102,7 @@ int size_only = 0;
+diff --git a/options.c b/options.c
+--- a/options.c
++++ b/options.c
+@@ -109,6 +109,7 @@ int size_only = 0;
int daemon_bwlimit = 0;
int bwlimit = 0;
int fuzzy_basis = 0;
size_t bwlimit_writemax = 0;
int ignore_existing = 0;
int ignore_non_existing = 0;
-@@ -364,6 +365,7 @@ void usage(enum logcode F)
- rprintf(F," --password-file=FILE read password from FILE\n");
+@@ -424,6 +425,7 @@ void usage(enum logcode F)
+ rprintf(F," --password-file=FILE read daemon-access password from FILE\n");
rprintf(F," --list-only list the files instead of copying them\n");
rprintf(F," --bwlimit=KBPS limit I/O bandwidth; KBytes per second\n");
+ rprintf(F," --slow-down=USECs sleep N usec while creating the filelist\n");
rprintf(F," --write-batch=FILE write a batched update to FILE\n");
rprintf(F," --only-write-batch=FILE like --write-batch but w/o updating destination\n");
rprintf(F," --read-batch=FILE read a batched update from FILE\n");
-@@ -492,6 +494,7 @@ static struct poptOption long_options[]
- {"log-format", 0, POPT_ARG_STRING, &log_format, 0, 0, 0 },
+@@ -604,6 +606,7 @@ static struct poptOption long_options[] = {
{"itemize-changes", 'i', POPT_ARG_NONE, 0, 'i', 0, 0 },
- {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
+ {"no-itemize-changes",0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
+ {"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
+ {"slow-down", 0, POPT_ARG_LONG, &sleep_asec, 0, 0, 0 },
- {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 },
- {"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
- {"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
+ {"bwlimit", 0, POPT_ARG_INT, &bwlimit, 0, 0, 0 },
+ {"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
+ {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },