oops, please ignore the [patch 1/5] series number. It was miss typed.
On Mon, Jul 20, 2009 at 1:47 AM, Peng Tao<bergwolf@xxxxxxxxx> wrote:> Currently e4defrag relies on the EXT4_IOC_MOVE_EXT ioctl to perform online> defragmentation. However, this iotcl kernel patch is not available before> 2.6.30-rc1. e4defrag shall fail without obvious reasons on systems running> older kernels. The patch adds more detailed error message addressing this> issue and prompts users with the minimal kernel version that is needed to> run e4defrag.>> Signed-off-by: Peng Tao <bergwolf@xxxxxxxxx>> ---> misc/e4defrag.c | 6 +++++-> 1 files changed, 5 insertions(+), 1 deletions(-)>> diff --git a/misc/e4defrag.c b/misc/e4defrag.c> index c25514a..f1c3008 100644> --- a/misc/e4defrag.c> +++ b/misc/e4defrag.c> @@ -1553,7 +1553,11 @@ static int call_defrag(int fd, int donor_fd, const char *file,> if (mode_flag & DETAIL) {> printf("\n");> PRINT_ERR_MSG_WITH_ERRNO(> - "Failed to defrag");> + "Failed to defrag with "> + "EXT4_IOC_MOVE_EXT ioctl");> + if (errno == ENOTTY)> + printf("\tAt least 2.6.31-rc1 of"> + " vallina kernel is required\n");> } else {> printf("\t[ NG ]\n");> }> --> 1.6.2.GIT>>
-- Cheers,Peng TaoState Key Laboratory of Networking and Switching TechnologyBeijing Univ. of Posts and Telecoms.��.n��������+%������w��{.n�����{�����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
