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daemon: GC remove-unused-links phase uses 'statx' when available.

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* config-daemon.ac: Check for 'statx'.
* nix/libstore/gc.cc (LocalStore::removeUnusedLinks) [HAVE_STATX]: Use
'statx' instead of 'lstat'.
This commit is contained in:
Ludovic Courtès
2019-11-26 23:35:24 +01:00
parent 434138e2f2
commit 7738a72186
2 changed files with 13 additions and 1 deletions
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3
config-daemon.ac
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@@ -91,8 +91,9 @@ if test "x$guix_build_daemon" = "xyes"; then
dnl sched_setaffinity: to improve RPC locality.
dnl statvfs: to detect disk-full conditions.
dnl strsignal: for error reporting.
dnl statx: fine-grain 'stat' call, new in glibc 2.28.
AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \
statvfs nanosleep strsignal])
statvfs nanosleep strsignal statx])
dnl Check whether the store optimiser can optimise symlinks.
AC_MSG_CHECKING([whether it is possible to create a link to a symlink])