perf copyfile: Move copyfile routines to separate files

Further reducing the util.c hodgepodge files.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-0i62zh7ok25znibyebgq0qs4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 0 insertions, 135 deletions

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index cb6fa4c98470..5eda6e19c947 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -2,10 +2,7 @@
 #include "util.h"
 #include "debug.h"
 #include "event.h"
-#include "namespaces.h"
-#include <internal/lib.h>
 #include <api/fs/fs.h>
-#include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/utsname.h>
 #include <dirent.h>
@@ -233,138 +230,6 @@ out:
 	return list;
 }
 
-static int slow_copyfile(const char *from, const char *to, struct nsinfo *nsi)
-{
-	int err = -1;
-	char *line = NULL;
-	size_t n;
-	FILE *from_fp, *to_fp;
-	struct nscookie nsc;
-
-	nsinfo__mountns_enter(nsi, &nsc);
-	from_fp = fopen(from, "r");
-	nsinfo__mountns_exit(&nsc);
-	if (from_fp == NULL)
-		goto out;
-
-	to_fp = fopen(to, "w");
-	if (to_fp == NULL)
-		goto out_fclose_from;
-
-	while (getline(&line, &n, from_fp) > 0)
-		if (fputs(line, to_fp) == EOF)
-			goto out_fclose_to;
-	err = 0;
-out_fclose_to:
-	fclose(to_fp);
-	free(line);
-out_fclose_from:
-	fclose(from_fp);
-out:
-	return err;
-}
-
-int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size)
-{
-	void *ptr;
-	loff_t pgoff;
-
-	pgoff = off_in & ~(page_size - 1);
-	off_in -= pgoff;
-
-	ptr = mmap(NULL, off_in + size, PROT_READ, MAP_PRIVATE, ifd, pgoff);
-	if (ptr == MAP_FAILED)
-		return -1;
-
-	while (size) {
-		ssize_t ret = pwrite(ofd, ptr + off_in, size, off_out);
-		if (ret < 0 && errno == EINTR)
-			continue;
-		if (ret <= 0)
-			break;
-
-		size -= ret;
-		off_in += ret;
-		off_out += ret;
-	}
-	munmap(ptr, off_in + size);
-
-	return size ? -1 : 0;
-}
-
-static int copyfile_mode_ns(const char *from, const char *to, mode_t mode,
-			    struct nsinfo *nsi)
-{
-	int fromfd, tofd;
-	struct stat st;
-	int err;
-	char *tmp = NULL, *ptr = NULL;
-	struct nscookie nsc;
-
-	nsinfo__mountns_enter(nsi, &nsc);
-	err = stat(from, &st);
-	nsinfo__mountns_exit(&nsc);
-	if (err)
-		goto out;
-	err = -1;
-
-	/* extra 'x' at the end is to reserve space for '.' */
-	if (asprintf(&tmp, "%s.XXXXXXx", to) < 0) {
-		tmp = NULL;
-		goto out;
-	}
-	ptr = strrchr(tmp, '/');
-	if (!ptr)
-		goto out;
-	ptr = memmove(ptr + 1, ptr, strlen(ptr) - 1);
-	*ptr = '.';
-
-	tofd = mkstemp(tmp);
-	if (tofd < 0)
-		goto out;
-
-	if (fchmod(tofd, mode))
-		goto out_close_to;
-
-	if (st.st_size == 0) { /* /proc? do it slowly... */
-		err = slow_copyfile(from, tmp, nsi);
-		goto out_close_to;
-	}
-
-	nsinfo__mountns_enter(nsi, &nsc);
-	fromfd = open(from, O_RDONLY);
-	nsinfo__mountns_exit(&nsc);
-	if (fromfd < 0)
-		goto out_close_to;
-
-	err = copyfile_offset(fromfd, 0, tofd, 0, st.st_size);
-
-	close(fromfd);
-out_close_to:
-	close(tofd);
-	if (!err)
-		err = link(tmp, to);
-	unlink(tmp);
-out:
-	free(tmp);
-	return err;
-}
-
-int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi)
-{
-	return copyfile_mode_ns(from, to, 0755, nsi);
-}
-
-int copyfile_mode(const char *from, const char *to, mode_t mode)
-{
-	return copyfile_mode_ns(from, to, mode, NULL);
-}
-
-int copyfile(const char *from, const char *to)
-{
-	return copyfile_mode(from, to, 0755);
-}
-
 size_t hex_width(u64 v)
 {
 	size_t n = 1;