On Thu, Feb 27, 2020 at 07:34:12PM -0800, Matthew Wilcox wrote: > > The canonical argument in favour of negative dentries is to improve > application startup time as every application searches the library path > for the same libraries. The other canonical example is C compilers that need to search for header files along the include search path: % strace -o /tmp/st -f gcc -o /tmp/hello /tmp/hello.c -I.. -I../.. % grep open /tmp/st | grep stdio.h | grep ENOENT | wc -l 6 - Ted
