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-rw-r--r--ChangeLog8
-rw-r--r--io/Makefile3
-rw-r--r--io/tst-posix_fallocate.c99
-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h5
4 files changed, 114 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 72130ec533..287371551d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2007-07-23 Ulrich Drepper <drepper@redhat.com>
+
+ * io/Makefile (tests): Add tst-posix_fallocate.
+ * io/tst-posix_fallocate.c: New file.
+
+ * sysdeps/unix/sysv/linux/kernel-features.h: Define
+ __ASSUME_FALLOCATE.
+
2007-07-22 Roland McGrath <roland@frob.com>
* hurd/getdport.c: Add missing copyright year update.
diff --git a/io/Makefile b/io/Makefile
index 81078ae3ec..f4861d7de4 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -67,7 +67,8 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \
tst-openat tst-unlinkat tst-fstatat tst-futimesat \
tst-renameat tst-fchownat tst-fchmodat tst-faccessat \
tst-symlinkat tst-linkat tst-readlinkat tst-mkdirat \
- tst-mknodat tst-mkfifoat tst-ttyname_r bug-ftw5
+ tst-mknodat tst-mkfifoat tst-ttyname_r bug-ftw5 \
+ tst-posix_fallocate
distribute := ftwtest-sh
diff --git a/io/tst-posix_fallocate.c b/io/tst-posix_fallocate.c
new file mode 100644
index 0000000000..35c6489fde
--- /dev/null
+++ b/io/tst-posix_fallocate.c
@@ -0,0 +1,99 @@
+#include <sys/stat.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static int fd;
+
+static void
+do_prepare (void)
+{
+ fd = create_temp_file ("tst-posix_fallocate.", NULL);
+ if (fd == -1)
+ {
+ printf ("cannot create temporary file: %m\n");
+ exit (1);
+ }
+}
+
+
+static int
+do_test (void)
+{
+ struct stat64 st;
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("1st fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 0)
+ {
+ puts ("file not created with size 0");
+ return 1;
+ }
+
+ if (posix_fallocate (fd, 512, 768) != 0)
+ {
+ puts ("1st posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("2nd fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 512 + 768)
+ {
+ printf ("file size after first posix_fallocate call is %llu, expected %u\n",
+ (unsigned long long int) st.st_size, 512u + 768u);
+ return 1;
+ }
+
+ if (posix_fallocate (fd, 0, 1024) != 0)
+ {
+ puts ("2nd posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("3rd fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 512 + 768)
+ {
+ puts ("file size changed in second posix_fallocate");
+ return 1;
+ }
+
+ if (posix_fallocate (fd, 2048, 64) != 0)
+ {
+ puts ("3rd posix_fallocate call failed");
+ return 1;
+ }
+
+ if (fstat64 (fd, &st) != 0)
+ {
+ puts ("4th fstat failed");
+ return 1;
+ }
+
+ if (st.st_size != 2048 + 64)
+ {
+ printf ("file size after first posix_fallocate call is %llu, expected %u\n",
+ (unsigned long long int) st.st_size, 2048u + 64u);
+ return 1;
+ }
+
+ close (fd);
+
+ return 0;
+}
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index f6bd906f5d..f8116d8885 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -468,3 +468,8 @@
#if __LINUX_KERNEL_VERSION >= 0x020616
# define __ASSUME_PRIVATE_FUTEX 1
#endif
+
+/* Support for fallocate was added in 2.6.23. */
+#if __LINUX_KERNEL_VERSION >= 0x020617
+# define __ASSUME_FALLOCATE 1
+#endif