diff options
Diffstat (limited to 'meta/recipes-devtools/dpkg/dpkg/glibc2.5-sync_file_range.patch')
-rw-r--r-- | meta/recipes-devtools/dpkg/dpkg/glibc2.5-sync_file_range.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/meta/recipes-devtools/dpkg/dpkg/glibc2.5-sync_file_range.patch b/meta/recipes-devtools/dpkg/dpkg/glibc2.5-sync_file_range.patch deleted file mode 100644 index d56b8a69a3..0000000000 --- a/meta/recipes-devtools/dpkg/dpkg/glibc2.5-sync_file_range.patch +++ /dev/null @@ -1,86 +0,0 @@ -CentOS 5.8 kernels and headers support the sync_file_range() system call, -but glibc 2.5 doesn't provide the syscall stub. It appears that this -problem is known but will never be fixed: - - https://bugzilla.redhat.com/show_bug.cgi?id=518581 - - Bug 518581 - [RHEL5] glibc misses sync_file_range syscall interface - - Status: CLOSED CANTFIX - Last Closed: 2009-11-22 22:19:55 - - Kirby Zhou 2009-08-20 23:37:55 EDT - - Description of problem: - - glibc misses sync_file_range syscall interface. The header file and - man page both say 'sync_file_range' should exist. From man page, - sync_file_range should exist sinc kernel-2.6.17 - - Andreas Schwab 2009-08-21 03:24:24 EDT - - It has only been added to glibc 2.6, and cannot be backported due to - ABI breakage. You can always fall back to syscall(3). - - Ulrich Drepper 2009-11-22 22:19:55 EST - - As comment #1 says, no chance to backport this. - - See the syscall man page for instructions. - - Jon E 2010-03-19 10:32:37 EDT - - then why document it if it's broken and you're not going to fix it? - .. might want to FTFM over at sync_file_range(2) - in the meantime - - borrowing from glibc 2.6 .. any thoughts on this implementation for a - hacky workaround for those still on your "ancient releases" .. (eg: - RHEL5.3)?: - - #ifdef ULI_WONT_FIX_THIS_IN_GLIBC2.5 - #define NR_sync_file_range 277 - int sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags) - { - return syscall (NR_sync_file_range, fd, - __LONG_LONG_PAIR ((long) (from >> 32), (long) from), - __LONG_LONG_PAIR ((long) (to >> 32), (long) to), - flags); - } - #endif - - assuming of course that you're on an x86_64 and include/asm- - x86_64/unistd.h has the correct entry - - (fwiw - fio is starting to use this now) - -Rather than attempting to provide an implementation using syscall(), -we take the more conservative route and ignore header support for -sync_file_range() flags when the glibc version is <= 2.5. - -Upstream-Status: Inappropriate [everyone else builds on newer hosts :-)] - -Signed-off-by: Donn Seeley <donn.seeley@windriver.com> -Signed-off-by: Lei Liu <lei.liu2@windriver.com> ---- - src/archives.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/src/archives.c -+++ b/src/archives.c -@@ -75,7 +75,7 @@ - /* Ignore the return code as it should be considered equivalent to an - * asynchronous hint for the kernel, we are doing an fsync() later on - * anyway. */ --#if defined(SYNC_FILE_RANGE_WRITE) -+#if defined(SYNC_FILE_RANGE_WRITE) && __GLIBC_PREREQ(2, 6) - sync_file_range(fd, 0, 0, SYNC_FILE_RANGE_WRITE); - #elif defined(HAVE_POSIX_FADVISE) - posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED); -@@ -1179,7 +1179,7 @@ - return 0; - } - --#if defined(SYNC_FILE_RANGE_WAIT_BEFORE) -+#if defined(SYNC_FILE_RANGE_WAIT_BEFORE) && __GLIBC_PREREQ(2, 6) - static void - tar_writeback_barrier(struct fileinlist *files, struct pkginfo *pkg) - { |