Messages in this thread | | | Date | Thu, 7 Aug 2003 14:09:51 +0100 (BST) | From | Hugh Dickins <> | Subject | Re: sendfile system call on tmpfs |
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On Thu, 7 Aug 2003, Theewara Vorakosit wrote: > I use linux redhat 9 with kernal 2.4.20-13.9smp. I try to use > sendfile system. I found that on ext3 file system, it works fine. > However, on tmpfs, it error with "Invalid argument". Does sendfile() > support on tmpfs or other filesystem?
The 2.4 tmpfs did not support sendfile (or loop) until 2.4.22-pre3, so Red Hat's 2.4.20-13.9smp won't do it.
If you're at ease with patching the kernel source and rebuilding your kernel, please let me know: I should be able to send you the necessary patch (mainly mm/shmem.c) to add those features into your Red Hat 9 tmpfs.
Hugh
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