Author: aurel32
Date: 2011-10-30 19:09:46 +0000 (Sun, 30 Oct 2011)
New Revision: 5025
Added:
glibc-package/branches/glibc-branch-squeeze/debian/patches/any/cvs-statvfs-mount-flags.diff
Modified:
glibc-package/branches/glibc-branch-squeeze/debian/changelog
glibc-package/branches/glibc-branch-squeeze/debian/patches/series
Log:
* patches/any/cvs-statvfs-mount-flags.diff: get the mount flags directly
from the kernel when possible instead of parsing /proc/mounts. Closes:
#639897.
Modified: glibc-package/branches/glibc-branch-squeeze/debian/changelog
===================================================================
--- glibc-package/branches/glibc-branch-squeeze/debian/changelog
2011-10-30 18:57:23 UTC (rev 5024)
+++ glibc-package/branches/glibc-branch-squeeze/debian/changelog
2011-10-30 19:09:46 UTC (rev 5025)
@@ -52,6 +52,9 @@
sometimes causes a deadlock when calling fork() from a thread.
* patches/amd64/cvs-avx-detection.diff: do not use AVX if hardware support
is present, but not enabled in the kernel. Closes: #646549.
+ * patches/any/cvs-statvfs-mount-flags.diff: get the mount flags directly
+ from the kernel when possible instead of parsing /proc/mounts. Closes:
+ #639897.
-- Aurelien Jarno <aure...@debian.org> Sat, 11 Jun 2011 18:12:35 +0200
Added:
glibc-package/branches/glibc-branch-squeeze/debian/patches/any/cvs-statvfs-mount-flags.diff
===================================================================
---
glibc-package/branches/glibc-branch-squeeze/debian/patches/any/cvs-statvfs-mount-flags.diff
(rev 0)
+++
glibc-package/branches/glibc-branch-squeeze/debian/patches/any/cvs-statvfs-mount-flags.diff
2011-10-30 19:09:46 UTC (rev 5025)
@@ -0,0 +1,191 @@
+2011-02-28 Aurelien Jarno <aurel...@aurel32.net>
+
+ * ports/sysdeps/unix/sysv/linux/alpha/bits/statfs.h (struct statfs,
+ struct statfs64): Add f_flags field.
+
+2010-08-12 Joseph Myers <jos...@codesourcery.com>
+
+ * ports/sysdeps/unix/sysv/linux/mips/bits/statfs.h (struct statfs,
+ struct statfs64): Add f_flags field.
+
+2010-08-11 Ulrich Drepper <drep...@redhat.com>
+
+ * sysdeps/unix/sysv/linux/bits/statfs.h (struct statfs): Add f_flags
+ field.
+ (struct statfs64): Likewise.
+ (_STATFS_F_FLAGS): Define.
+ * sysdeps/unix/sysv/linux/s390/bits/statfs.h: Likewise.
+ * sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags):
+ Don't define if __ASSUME_STATFS_F_FLAGS is defined.
+ (ST_VALID): Define locally.
+ (INTERNAL_STATVFS): If f_flags has ST_VALID set don't call
+ __statvfs_getflags, use the provided value.
+ * sysdeps/unix/sysv/linux/kernel-features.h: Define
+ __ASSUME_STATFS_F_FLAGS.
+
+---
+ ports/sysdeps/unix/sysv/linux/alpha/bits/statfs.h | 6 ++++--
+ ports/sysdeps/unix/sysv/linux/mips/bits/statfs.h | 6 ++++--
+ sysdeps/unix/sysv/linux/bits/statfs.h | 7 +++++--
+ sysdeps/unix/sysv/linux/internal_statvfs.c | 22
+++++++++++++++++-----
+ sysdeps/unix/sysv/linux/kernel-features.h | 5 +++++
+ sysdeps/unix/sysv/linux/s390/bits/statfs.h | 7 +++++--
+ 6 files changed, 40 insertions(+), 13 deletions(-)
+
+--- a/sysdeps/unix/sysv/linux/bits/statfs.h
++++ b/sysdeps/unix/sysv/linux/bits/statfs.h
+@@ -42,7 +42,8 @@
+ __fsid_t f_fsid;
+ __SWORD_TYPE f_namelen;
+ __SWORD_TYPE f_frsize;
+- __SWORD_TYPE f_spare[5];
++ __SWORD_TYPE f_flags;
++ __SWORD_TYPE f_spare[4];
+ };
+
+ #ifdef __USE_LARGEFILE64
+@@ -58,10 +59,12 @@
+ __fsid_t f_fsid;
+ __SWORD_TYPE f_namelen;
+ __SWORD_TYPE f_frsize;
+- __SWORD_TYPE f_spare[5];
++ __SWORD_TYPE f_flags;
++ __SWORD_TYPE f_spare[4];
+ };
+ #endif
+
+ /* Tell code we have these members. */
+ #define _STATFS_F_NAMELEN
+ #define _STATFS_F_FRSIZE
++#define _STATFS_F_FLAGS
+--- a/sysdeps/unix/sysv/linux/internal_statvfs.c
++++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
+@@ -29,6 +29,11 @@
+ #include <sys/statfs.h>
+ #include <sys/statvfs.h>
+ #include "linux_fsinfo.h"
++#include "kernel-features.h"
++
++
++/* Special internal-only bit value. */
++#define ST_VALID 0x0020
+
+
+ #ifndef STATFS
+@@ -37,6 +42,7 @@
+ # define INTERNAL_STATVFS __internal_statvfs
+
+
++# ifndef __ASSUME_STATFS_F_FLAGS
+ int
+ __statvfs_getflags (const char *name, int fstype, struct stat64 *st)
+ {
+@@ -193,6 +199,7 @@
+
+ return result;
+ }
++# endif
+ #else
+ extern int __statvfs_getflags (const char *name, int fstype,
+ struct stat64 *st);
+@@ -234,9 +241,14 @@
+ /* XXX I have no idea how to compute f_favail. Any idea??? */
+ buf->f_favail = buf->f_ffree;
+
+- /* Determining the flags is tricky. We have to read /proc/mounts or
+- the /etc/mtab file and search for the entry which matches the given
+- file. The way we can test for matching filesystem is using the
+- device number. */
+- buf->f_flag = __statvfs_getflags (name, fsbuf->f_type, st);
++#ifndef __ASSUME_STATFS_F_FLAGS
++ if ((fsbuf->f_flags & ST_VALID) == 0)
++ /* Determining the flags is tricky. We have to read /proc/mounts or
++ the /etc/mtab file and search for the entry which matches the given
++ file. The way we can test for matching filesystem is using the
++ device number. */
++ buf->f_flag = __statvfs_getflags (name, fsbuf->f_type, st);
++ else
++#endif
++ buf->f_flag = fsbuf->f_flags ^ ST_VALID;
+ }
+--- a/sysdeps/unix/sysv/linux/kernel-features.h
++++ b/sysdeps/unix/sysv/linux/kernel-features.h
+@@ -565,3 +565,8 @@
+ #if __LINUX_KERNEL_VERSION >= 0x020620
+ # define __ASSUME_F_GETOWN_EX 1
+ #endif
++
++/* statfs fills in f_flags since 2.6.36. */
++#if __LINUX_KERNEL_VERSION >= 0x020624
++# define __ASSUME_STATFS_F_FLAGS 1
++#endif
+--- a/sysdeps/unix/sysv/linux/s390/bits/statfs.h
++++ b/sysdeps/unix/sysv/linux/s390/bits/statfs.h
+@@ -42,7 +42,8 @@
+ __fsid_t f_fsid;
+ int f_namelen;
+ int f_frsize;
+- int f_spare[5];
++ int f_flags;
++ int f_spare[4];
+ };
+
+ #ifdef __USE_LARGEFILE64
+@@ -58,10 +59,12 @@
+ __fsid_t f_fsid;
+ int f_namelen;
+ int f_frsize;
+- int f_spare[5];
++ int f_flags;
++ int f_spare[4];
+ };
+ #endif
+
+ /* Tell code we have this member. */
+ #define _STATFS_F_NAMELEN
+ #define _STATFS_F_FRSIZE
++#define _STATFS_F_FLAGS
+--- a/ports/sysdeps/unix/sysv/linux/mips/bits/statfs.h
++++ b/ports/sysdeps/unix/sysv/linux/mips/bits/statfs.h
+@@ -45,7 +45,8 @@
+ /* Linux specials */
+ __fsid_t f_fsid;
+ long int f_namelen;
+- long int f_spare[6];
++ long int f_flags;
++ long int f_spare[5];
+ };
+
+ #ifdef __USE_LARGEFILE64
+@@ -64,7 +65,8 @@
+ /* Linux specials */
+ __fsid_t f_fsid;
+ long int f_namelen;
+- long int f_spare[6];
++ long int f_flags;
++ long int f_spare[5];
+ };
+ #endif
+
+--- a/ports/sysdeps/unix/sysv/linux/alpha/bits/statfs.h
++++ b/ports/sysdeps/unix/sysv/linux/alpha/bits/statfs.h
+@@ -42,7 +42,8 @@
+ __fsid_t f_fsid;
+ int f_namelen;
+ int f_frsize;
+- int f_spare[5];
++ int f_flags;
++ int f_spare[4];
+ };
+
+ #ifdef __USE_LARGEFILE64
+@@ -58,7 +59,8 @@
+ __fsid_t f_fsid;
+ int f_namelen;
+ int f_frsize;
+- int f_spare[5];
++ int f_flags;
++ int f_spare[4];
+ };
+ #endif
+
Modified: glibc-package/branches/glibc-branch-squeeze/debian/patches/series
===================================================================
--- glibc-package/branches/glibc-branch-squeeze/debian/patches/series
2011-10-30 18:57:23 UTC (rev 5024)
+++ glibc-package/branches/glibc-branch-squeeze/debian/patches/series
2011-10-30 19:09:46 UTC (rev 5025)
@@ -267,3 +267,4 @@
any/cvs-pthread-setgroups.diff
any/cvs-dl_close-scope-handling.diff
any/cvs-nptl-pthread-race.diff
+any/cvs-statvfs-mount-flags.diff
--
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