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Brian Behlendorf
e2e7aa2df8
Under Linux the VFS handles virtually all of the mmap() access checks. Filesystem specific checks are left to be handled in the .mmap() hook and normally there arn't any. However, ZFS provides a few attributes which can influence the mmap behavior and should be honored. Note, currently the code to modify these attributes has not been implemented under Linux. * ZFS_IMMUTABLE | ZFS_READONLY | ZFS_APPENDONLY: when any of these attributes are set a file may not be mmaped with write access. * ZFS_AV_QUARANTINED: when set a file file may not be mmaped with read or exec access. 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
Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org