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The txg_sync(), zfs_putpage(), zvol_write(), and zvol_discard() call paths must only use KM_PUSHPAGE to avoid potential deadlocks during direct reclaim. This patch annotates these call paths so any accidental use of KM_SLEEP will be quickly detected. In the interest of stability if debugging is disabled the offending allocation will have its GFP flags automatically corrected. When debugging is enabled any misuse will be treated as a fatal error. This patch is entirely for debugging. We should be careful to NOT become dependant on it fixing up the incorrect allocations. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> |
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| config | ||
| dracut | ||
| etc | ||
| include | ||
| lib | ||
| man | ||
| module | ||
| patches | ||
| scripts | ||
| udev | ||
| .gitignore | ||
| AUTHORS | ||
| autogen.sh | ||
| ChangeLog | ||
| configure.ac | ||
| copy-builtin | ||
| COPYING | ||
| COPYRIGHT | ||
| DISCLAIMER | ||
| dkms.conf.in | ||
| dkms.postinst | ||
| Makefile.am | ||
| META | ||
| OPENSOLARIS.LICENSE | ||
| PKGBUILD-zfs-modules.in | ||
| PKGBUILD-zfs.in | ||
| README.markdown | ||
| zfs_config.h.in | ||
| zfs-modules.spec.in | ||
| zfs-script-config.sh.in | ||
| ZFS.RELEASE | ||
| zfs.release.in | ||
| zfs.spec.in | ||
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