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;