94b1ab2ae0
There are changes to vfs_getattr() in torvalds/linux@a528d35. The new interface is: int vfs_getattr(const struct path *path, struct kstat *stat, u32 request_mask, unsigned int query_flags) The request_mask argument indicates which field(s) the caller intends to use. Fields the caller does not specify via request_mask may be set in the returned struct anyway, but their values may be approximate. The query_flags argument indicates whether the filesystem must update the attributes from the backing store. This patch uses the query_flags which result in vfs_getattr behaving the same as it did with the 2-argument version which the kernel provided before Linux 4.11. Members blksize and blocks are now always the same size regardless of arch. They match the size of the equivalent members in vnode_t. The configure checks are modified to ensure that the appropriate vfs_getattr() interface is used. A more complete fix, removing the ZFS dependency on vfs_getattr() entirely, is deferred as it is a much larger project. Reviewed-by: Chunwei Chen <david.chen@osnexus.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Olaf Faaland <faaland1@llnl.gov> Closes #608 |
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The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of the Solaris kernel APIs. This shim layer makes it possible to run Solaris kernel code in the Linux kernel with relatively minimal modification. This can be particularly useful when you want to track upstream Solaris development closely and do not want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.
To build packages for your distribution:
$ ./configure
$ make pkg
If you are building directly from the git tree and not an officially released tarball you will need to generate the configure script. This can be done by executing the autogen.sh script after installing the GNU autotools for your distribution.
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-...
The SPL comes with an automated test suite called SPLAT. The test suite is implemented in two parts. There is a kernel module which contains the tests and a user space utility which controls which tests are run. To run the full test suite:
$ sudo insmod ./module/splat/splat.ko
$ sudo ./cmd/splat --all
Full documentation for building, configuring, testing, and using the SPL can be found at: http://zfsonlinux.org