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From: Nicholas N. <nj...@ca...> - 2003-05-01 10:59:24
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On Thu, 17 Apr 2003, Philippe Elie wrote: > this patch, against current cvs, implement syscall > lookup_dcookie added in 2.5 > > It allows to associate an uid with an existing dentry > and to query the corresponding filename. This is to > provide fast transfer between kernel and user space of > filename through 64 bits uid. > > It is used currently only by profiler but its intended > to be usefull for tracing driver of any sort which need > to associate event to filename and pass them to a daemon. > > The post_mem_write use arg4 (sz) as size since the syscall > doesn't return the string length on success but zero. ftp.kernel.org/pub/linux/docs/manpages/man-pages-1.56.tar.gz says that the return value is the length of the string, is it incorrect? N |