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authorBorislav Petkov <bp@suse.de>2013-12-09 16:14:24 (GMT)
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-02-18 12:34:49 (GMT)
commitcd0cfad74eb88e54ba9d205da3ed376e48981448 (patch)
tree5eb32d93129d48be57b9b9e933e14c62c6f0d435 /tools/perf/util/fs.c
parentc9b951c4d12f0b2e9a07dd459c554bc05628d092 (diff)
downloadlinux-cd0cfad74eb88e54ba9d205da3ed376e48981448.tar.xz
perf tools: Move fs.* to lib/api/fs/
Move to generic library and kill magic.h as it is needed only in fs.h. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <rric@kernel.org> Cc: Stanislav Fomichev <stfomichev@yandex-team.ru> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1386605664-24041-3-git-send-email-bp@alien8.de Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/fs.c')
-rw-r--r--tools/perf/util/fs.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/tools/perf/util/fs.c b/tools/perf/util/fs.c
deleted file mode 100644
index f5be1f2..0000000
--- a/tools/perf/util/fs.c
+++ /dev/null
@@ -1,119 +0,0 @@
-
-/* TODO merge/factor into tools/lib/lk/debugfs.c */
-
-#include "util.h"
-#include "util/fs.h"
-
-static const char * const sysfs__fs_known_mountpoints[] = {
- "/sys",
- 0,
-};
-
-static const char * const procfs__known_mountpoints[] = {
- "/proc",
- 0,
-};
-
-struct fs {
- const char *name;
- const char * const *mounts;
- char path[PATH_MAX + 1];
- bool found;
- long magic;
-};
-
-enum {
- FS__SYSFS = 0,
- FS__PROCFS = 1,
-};
-
-static struct fs fs__entries[] = {
- [FS__SYSFS] = {
- .name = "sysfs",
- .mounts = sysfs__fs_known_mountpoints,
- .magic = SYSFS_MAGIC,
- },
- [FS__PROCFS] = {
- .name = "proc",
- .mounts = procfs__known_mountpoints,
- .magic = PROC_SUPER_MAGIC,
- },
-};
-
-static bool fs__read_mounts(struct fs *fs)
-{
- bool found = false;
- char type[100];
- FILE *fp;
-
- fp = fopen("/proc/mounts", "r");
- if (fp == NULL)
- return NULL;
-
- while (!found &&
- fscanf(fp, "%*s %" STR(PATH_MAX) "s %99s %*s %*d %*d\n",
- fs->path, type) == 2) {
-
- if (strcmp(type, fs->name) == 0)
- found = true;
- }
-
- fclose(fp);
- return fs->found = found;
-}
-
-static int fs__valid_mount(const char *fs, long magic)
-{
- struct statfs st_fs;
-
- if (statfs(fs, &st_fs) < 0)
- return -ENOENT;
- else if (st_fs.f_type != magic)
- return -ENOENT;
-
- return 0;
-}
-
-static bool fs__check_mounts(struct fs *fs)
-{
- const char * const *ptr;
-
- ptr = fs->mounts;
- while (*ptr) {
- if (fs__valid_mount(*ptr, fs->magic) == 0) {
- fs->found = true;
- strcpy(fs->path, *ptr);
- return true;
- }
- ptr++;
- }
-
- return false;
-}
-
-static const char *fs__get_mountpoint(struct fs *fs)
-{
- if (fs__check_mounts(fs))
- return fs->path;
-
- return fs__read_mounts(fs) ? fs->path : NULL;
-}
-
-static const char *fs__mountpoint(int idx)
-{
- struct fs *fs = &fs__entries[idx];
-
- if (fs->found)
- return (const char *)fs->path;
-
- return fs__get_mountpoint(fs);
-}
-
-#define FS__MOUNTPOINT(name, idx) \
-const char *name##__mountpoint(void) \
-{ \
- return fs__mountpoint(idx); \
-}
-
-FS__MOUNTPOINT(sysfs, FS__SYSFS);
-FS__MOUNTPOINT(procfs, FS__PROCFS);