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Sync with gnulib b1fac377605c0eef8844fc8d3818d360f37d6fa4:

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fs usage: fix block size returned on older Linux 2.6.

* src/filemanager/mountlist.c: Fall back to (struct statfs).f_frsize
which is available since Linux 2.6.
* m4.include/fsusage.m4 (STAT_STATFS2_FRSIZE): Always define
when the member is available so it can be used as a fallback.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2012-06-24 10:46:48 +04:00
parent 4db9168a93
commit 37873e6df4
2 changed files with 41 additions and 1 deletions
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31
m4.include/fsusage.m4
View File

@ -128,6 +128,37 @@ if test $ac_fsusage_space = no; then
fi
fi
# Check for this unconditionally so we have a
# good fallback on glibc/Linux > 2.6 < 2.6.36
AC_MSG_CHECKING([for two-argument statfs with statfs.f_frsize member])
AC_CACHE_VAL([fu_cv_sys_stat_statfs2_frsize],
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
int
main ()
{
struct statfs fsd;
fsd.f_frsize = 0;
return statfs (".", &fsd) != 0;
}]])],
[fu_cv_sys_stat_statfs2_frsize=yes],
[fu_cv_sys_stat_statfs2_frsize=no],
[fu_cv_sys_stat_statfs2_frsize=no])])
AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_frsize])
if test $fu_cv_sys_stat_statfs2_frsize = yes; then
AC_DEFINE([STAT_STATFS2_FRSIZE], [1],
[ Define if statfs takes 2 args and struct statfs has a field named f_frsize.
(glibc/Linux > 2.6)])
fi
if test $ac_fsusage_space = no; then
# glibc/Linux, Mac OS X, FreeBSD < 5.0, NetBSD < 3.0, OpenBSD < 4.4.
# (glibc/{Hurd,kFreeBSD}, FreeBSD >= 5.0, NetBSD >= 3.0,

11
src/filemanager/mountlist.c
View File

@ -1427,7 +1427,16 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
#elif defined STAT_STATFS2_BSIZE /* glibc/Linux, 4.3BSD, SunOS 4, \
#elif defined STAT_STATFS2_FRSIZE /* 2.6 < glibc/Linux < 2.6.36 */
struct statfs fsd;
if (statfs (file, &fsd) < 0)
return -1;
fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_frsize);
#elif defined STAT_STATFS2_BSIZE /* glibc/Linux < 2.6, 4.3BSD, SunOS 4, \
Mac OS X < 10.4, FreeBSD < 5.0, \
NetBSD < 3.0, OpenBSD < 4.4 */