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-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h6
-rw-r--r--sysdeps/unix/sysv/linux/pathconf.c7
2 files changed, 13 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 8fdff7e381..ccd4c5918b 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -221,3 +221,9 @@
 #if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100
 # define __ASSUME_GETCPU_SYSCALL	1
 #endif
+
+/* 2.6.29 removed the XFS restricted_chown sysctl, so it is pointless looking
+   for it in newer kernels.  */
+#if __LINUX_KERNEL_VERSION >= 0x02061d
+# define __ASSUME_XFS_RESTRICTED_CHOWN 1
+#endif
diff --git a/sysdeps/unix/sysv/linux/pathconf.c b/sysdeps/unix/sysv/linux/pathconf.c
index de91a4541b..723d234538 100644
--- a/sysdeps/unix/sysv/linux/pathconf.c
+++ b/sysdeps/unix/sysv/linux/pathconf.c
@@ -289,11 +289,16 @@ __statfs_chown_restricted (int result, const struct statfs *fsbuf)
       return -1;
     }
 
+#if __ASSUME_XFS_RESTRICTED_CHOWN
+  return 1;
+#else
   int fd;
+  int save_errno;
   long int retval = 1;
   switch (fsbuf->f_type)
     {
     case XFS_SUPER_MAGIC:
+      save_errno = errno;
       /* Read the value from /proc/sys/fs/xfs/restrict_chown.  If we cannot
 	 read it default to assume the restriction is in place.  */
       fd = open_not_cancel_2 ("/proc/sys/fs/xfs/restrict_chown", O_RDONLY);
@@ -306,6 +311,7 @@ __statfs_chown_restricted (int result, const struct statfs *fsbuf)
 
 	  close_not_cancel_no_status (fd);
 	}
+      __set_errno (save_errno);
       break;
 
     default:
@@ -313,4 +319,5 @@ __statfs_chown_restricted (int result, const struct statfs *fsbuf)
     }
 
   return retval;
+#endif
 }