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Under Linux the following functions are flagged with the attribute warn_unused_result, this triggers a warning when ever they are used without checking the return value. To handle this case we check the result VERIFY(). It's better to detect this immediately on failure rather than segfault farther down in the function. ../../cmd/ztest/ztest.c:6033:2: warning: ignoring return value of 'asprintf', declared with attribute warn_unused_result [-Wunused-result] ../../cmd/ztest/ztest.c:739:3: warning: ignoring return value of 'realpath', declared with attribute warn_unused_result [-Wunused-result] Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!
$ ./configure
$ make pkg
To copy the kernel code inside your kernel source tree for builtin compilation:
$ ./configure --enable-linux-builtin --with-linux=/usr/src/linux-...
$ ./copy-builtin /usr/src/linux-...
Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org