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Date: Thu, 17 Feb 2022 10:25:00 +0100
From: Lukas Czerner <lczerner@...hat.com>
To: tytso@....edu
Cc: linux-ext4@...r.kernel.org
Subject: [PATCH 3/3] e2fsprogs: use mallinfo2 instead of mallinfo if available
mallinfo has been deprecated with GNU C library version 2.33 in favor of
mallinfo2 which works exactly the same as mallinfo but with larger field
widths. Use mallinfo2 if available.
Signed-off-by: Lukas Czerner <lczerner@...hat.com>
---
configure | 2 +-
configure.ac | 1 +
e2fsck/iscan.c | 11 ++++++++++-
e2fsck/util.c | 11 ++++++++++-
lib/config.h.in | 3 +++
resize/resource_track.c | 13 ++++++++++---
6 files changed, 35 insertions(+), 6 deletions(-)
diff --git a/configure b/configure
index effd929d..530bc77c 100755
--- a/configure
+++ b/configure
@@ -11254,7 +11254,7 @@ fi
if test -n "$DLOPEN_LIB" ; then
ac_cv_func_dlopen=yes
fi
-for ac_func in __secure_getenv add_key backtrace chflags dlopen fadvise64 fallocate fallocate64 fchown fcntl fdatasync fstat64 fsync ftruncate64 futimes getcwd getdtablesize getentropy gethostname getmntinfo getpwuid_r getrandom getrlimit getrusage jrand48 keyctl llistxattr llseek lseek64 mallinfo mbstowcs memalign mempcpy mmap msync nanosleep open64 pathconf posix_fadvise posix_fadvise64 posix_memalign prctl pread pwrite pread64 pwrite64 secure_getenv setmntent setresgid setresuid snprintf srandom stpcpy strcasecmp strdup strnlen strptime strtoull sync_file_range sysconf usleep utime utimes valloc
+for ac_func in __secure_getenv add_key backtrace chflags dlopen fadvise64 fallocate fallocate64 fchown fcntl fdatasync fstat64 fsync ftruncate64 futimes getcwd getdtablesize getentropy gethostname getmntinfo getpwuid_r getrandom getrlimit getrusage jrand48 keyctl llistxattr llseek lseek64 mallinfo mallinfo2 mbstowcs memalign mempcpy mmap msync nanosleep open64 pathconf posix_fadvise posix_fadvise64 posix_memalign prctl pread pwrite pread64 pwrite64 secure_getenv setmntent setresgid setresuid snprintf srandom stpcpy strcasecmp strdup strnlen strptime strtoull sync_file_range sysconf usleep utime utimes valloc
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
diff --git a/configure.ac b/configure.ac
index dff3d1ca..8acc4e1c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1214,6 +1214,7 @@ AC_CHECK_FUNCS(m4_flatten([
llseek
lseek64
mallinfo
+ mallinfo2
mbstowcs
memalign
mempcpy
diff --git a/e2fsck/iscan.c b/e2fsck/iscan.c
index 607e4752..33c6a4cd 100644
--- a/e2fsck/iscan.c
+++ b/e2fsck/iscan.c
@@ -109,7 +109,16 @@ void print_resource_track(const char *desc,
printf("%s: ", desc);
#define kbytes(x) (((unsigned long long)(x) + 1023) / 1024)
-#ifdef HAVE_MALLINFO
+#ifdef HAVE_MALLINFO2
+ if (1) {
+ struct mallinfo2 malloc_info = mallinfo2();
+
+ printf("Memory used: %lluk/%lluk (%lluk/%lluk), ",
+ kbytes(malloc_info.arena), kbytes(malloc_info.hblkhd),
+ kbytes(malloc_info.uordblks),
+ kbytes(malloc_info.fordblks));
+ } else
+#elif defined HAVE_MALLINFO
/* don't use mallinfo() if over 2GB used, since it returns "int" */
if ((char *)sbrk(0) - (char *)track->brk_start < 2LL << 30) {
struct mallinfo malloc_info = mallinfo();
diff --git a/e2fsck/util.c b/e2fsck/util.c
index 3fe3c988..42740d9e 100644
--- a/e2fsck/util.c
+++ b/e2fsck/util.c
@@ -430,7 +430,16 @@ void print_resource_track(e2fsck_t ctx, const char *desc,
log_out(ctx, "%s: ", desc);
#define kbytes(x) (((unsigned long long)(x) + 1023) / 1024)
-#ifdef HAVE_MALLINFO
+#ifdef HAVE_MALLINFO2
+ if (1) {
+ struct mallinfo2 malloc_info = mallinfo2();
+
+ log_out(ctx, _("Memory used: %lluk/%lluk (%lluk/%lluk), "),
+ kbytes(malloc_info.arena), kbytes(malloc_info.hblkhd),
+ kbytes(malloc_info.uordblks),
+ kbytes(malloc_info.fordblks));
+ } else
+#elif defined HAVE_MALLINFO
/* don't use mallinfo() if over 2GB used, since it returns "int" */
if ((char *)sbrk(0) - (char *)track->brk_start < 2LL << 30) {
struct mallinfo malloc_info = mallinfo();
diff --git a/lib/config.h.in b/lib/config.h.in
index 9c9de65d..b5856bb5 100644
--- a/lib/config.h.in
+++ b/lib/config.h.in
@@ -208,6 +208,9 @@
/* Define to 1 if you have the `mallinfo' function. */
#undef HAVE_MALLINFO
+/* Define to 1 if you have the `mallinfo2' function. */
+#undef HAVE_MALLINFO2
+
/* Define to 1 if you have the <malloc.h> header file. */
#undef HAVE_MALLOC_H
diff --git a/resize/resource_track.c b/resize/resource_track.c
index f0efe114..f4667060 100644
--- a/resize/resource_track.c
+++ b/resize/resource_track.c
@@ -63,8 +63,10 @@ void print_resource_track(ext2_resize_t rfs, struct resource_track *track,
#ifdef HAVE_GETRUSAGE
struct rusage r;
#endif
-#ifdef HAVE_MALLINFO
- struct mallinfo malloc_info;
+#ifdef HAVE_MALLINFO2
+ struct mallinfo2 malloc_info;
+#elif defined HAVE_MALLINFO
+ struct mallinfo malloc_info;
#endif
struct timeval time_end;
@@ -76,8 +78,13 @@ void print_resource_track(ext2_resize_t rfs, struct resource_track *track,
if (track->desc)
printf("%s: ", track->desc);
-#ifdef HAVE_MALLINFO
#define kbytes(x) (((unsigned long)(x) + 1023) / 1024)
+#ifdef HAVE_MALLINFO2
+ malloc_info = mallinfo2();
+ printf("Memory used: %luk/%luk (%luk/%luk), ",
+ kbytes(malloc_info.arena), kbytes(malloc_info.hblkhd),
+ kbytes(malloc_info.uordblks), kbytes(malloc_info.fordblks));
+#elif defined HAVE_MALLINFO
malloc_info = mallinfo();
printf("Memory used: %luk/%luk (%luk/%luk), ",
--
2.34.1
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