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* MFC of 276737, 322200, 322201, 322271, and 322297mckusick2017-08-241-90/+2
| | | | | | | | | | | | 276737: Remove old ioctl use and support 322200: Remove (broken) search for alternate superblocks 322201: Show differences when alternate superblock fails to match 322271: Cleanup for 322200. 322297: Restore fsck_ffs ability to find alternate superblocks Discussed with: kib, imp Differential Revision: https://reviews.freebsd.org/D11589 Approved by: re (kib)
* MFC of 269692, 322179, 322463, and 322464:mckusick2017-08-222-58/+19
| | | | | | | | | | | 269692: cswitch is unsigned, so don't compare it < 0 322179: Correct ordering of bio's in gjournal queue 322463: Eliminate a variable that is set-only in g_journal.c 322464: Correct check for reads in gjournal Submitted by: Dr. Andreas Longwitz <longwitz@incore.de> Discussed with: kib Approved by: re (marius)
* Correct compile error triggered in nanobsd i386 by 322513 (MFC of 322178)mckusick2017-08-161-1/+1
| | | | | | Reported by: Li-Wen Hsu Fix by: kib Approved by: re (delphij)
* MFC of 322178:mckusick2017-08-141-10/+10
| | | | | | | | | | Bug 198500 reports bad sysctl values for gjournal cache limit. PR: 198500 Submitted by: Dr. Andreas Longwitz <longwitz@incore.de> Reported by: Eugene Grosbein Discussed with: kib Approved by: re (marius)
* MFC r320729: Add GEOM::descr attribute for symmetry with GEOM::ident.mav2017-07-201-0/+2
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* The GEOM KPI in stable/10 requires Giant to be unacquired (a requirementmarius2017-06-201-0/+3
| | | | | | | dropped in r300287). So wrap calling into GEOM in {DROP,PICKUP}_GIANT(), similar to what as been done prio to r300288. This fixes a "Giant owned" panic with r318159 in place and INVARIANTS enabled. Reported by: Oliver Pinter
* MFC: r287013 (partial), r294616, r314097 (partial)marius2017-05-101-63/+51
| | | | | | | | | | | | | | | | | - Allow overriding the FDT slicer with a custom slicer. - Teach the flashmap code about SPI flash. - Allow different slicers for different flash types to be registered with geom_flashmap(4) and teach it about MMC for slicing enhanced user data area partitions. The FDT slicer still is the default for CFI, NAND and SPI flash on FDT-enabled platforms. - In addition to a device_t, also pass the name of the GEOM provider in question to the slicers as a single device may provide more than one provider. - Build a geom_flashmap.ko. - Use MODULE_VERSION() so other modules can depend on geom_flashmap(4). - Remove redundant/superfluous GEOM routines that either do nothing or provide/just call default GEOM (slice) functionality. - Trim/adjust includes
* MFC 313409: Defer startup of gjournal switcher kproc.jhb2017-05-101-11/+35
| | | | Don't start switcher kproc until the first GEOM is created.
* MFC r314908: When chunking large DIOCGDELETE, do it on stripe edge.mav2017-03-221-1/+8
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* MFC r283291: don't use CALLOUT_MPSAFE with callout_init()avg2017-03-045-5/+5
| | | | | The main purpose of this MFC is to reduce conflicts for other merges. Parts of the original change have already "trickled down" via individual MFCs.
* MFC r292782: Replace sys/crypto/sha2/sha2.c with lib/libmd/sha512c.cavg2017-02-275-5/+6
| | | | | | | cperciva's libmd implementation is 5-30% faster The same was done for SHA256 previously in r263218 Approved by: secteam
* MFC r312533: Report disk addition errors on `add` or `create` subcommand.mav2017-01-271-4/+4
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* MFC r311971: Report random flash storage as non-rotating to GEOM_DISK.mav2017-01-192-6/+11
| | | | While doing it, introduce respective constants in geom_disk.h.
* MFC r311688:dim2017-01-111-1/+1
| | | | | | | | | | | | | | | | | Fix logic error in gvinum's gv_set_sd_state() With clang 4.0.0, I'm getting the following warnings: sys/geom/vinum/geom_vinum_state.c:186:7: error: logical not is only applied to the left hand side of this bitwise operator [-Werror,-Wlogical-not-parentheses] if (!flags & GV_SETSTATE_FORCE) ^ ~ The logical not operator should obiously be called after masking. Reviewed by: mav, pfg Differential Revision: https://reviews.freebsd.org/D9093
* MFC r308608:mav2016-11-272-27/+40
| | | | Use providergone method to cover race between destroy and g_access().
* MFC r308579: Do not report error on close even if we have no paths left.mav2016-11-261-1/+1
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* MFC r300881, r302058 (by asomers):mav2016-10-281-36/+49
| | | | | | | | | | | | | | | | | | | | Avoid issuing spa config updates for physical path when not necessary ZFS's configuration needs to be updated whenever the physical path for a device changes, but not when a new device is introduced. This is because new devices necessarily cause config updates, but only if they are actually accepted into the pool. sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Split vdev_geom_set_physpath out of vdev_geom_attrchanged. When setting the vdev's physical path, only request a config update if the physical path has changed. Don't request it when opening a device for the first time, because the config sync will happen anyway upstack. sys/geom/geom_dev.c Split g_dev_set_physpath and g_dev_set_media out of g_dev_attrchanged
* MFC r306762: Fix possible geom destruction before final provider close.mav2016-10-203-28/+17
| | | | | Introduce internal counter to track opens. Using provider's counters is not very successfull after calling g_wither_provider().
* MFC r306279: Use g_wither_provider() where applicable.mav2016-10-0612-23/+14
| | | | | It is just a helper function combining G_PF_WITHER setting with g_orphan_provider().
* MFC r305509:markj2016-09-271-2/+6
| | | | Don't treat an error from g_mirror_clear_metadata() as fatal.
* MFC: merge in all new features and improvements into geom_uzip(8) from current,sobomax2016-07-2111-146/+1098
| | | | | | | | | | | | | | which includes: o LZMA compression; o block de-duplication; o performance improvements; o pop out worker kthread to do extraction. This includes the following revisions: r295943,r295952,r298502,r298619,r299195,r302284 Suggested by: emaste
* MFC r302091:markj2016-07-201-2/+15
| | | | Do not complete pending gmirror BIOs when tearing down the provider.
* MFC r298420, r298439, r298644asomers2016-05-191-0/+5
| | | | | | | | | | | | | | | | | | | | | r298420 | asomers | 2016-04-21 10:43:15 -0600 (Thu, 21 Apr 2016) | 10 lines Notify userspace listeners when geom disk attributes have changed sys/geom/geom_disk.c: disk_attr_changed(): Generate a devctl event of type GEOM:<attr> for every call. r298439 | asomers | 2016-04-21 15:13:41 -0600 (Thu, 21 Apr 2016) | 10 lines DRY on buffer sizes. Update to r298420. sys/geom/geom_disk.c: In disk_attr_changed, don't repeat a buffer size. r298644 | asomers | 2016-04-26 08:48:58 -0600 (Tue, 26 Apr 2016) | 8 lines Add GEOM::physpath documentation to devd.conf(5)
* MFC r298671,r298672:ngie2016-05-131-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | r298671 (by cem): g_part_bsd64: Check for valid on-disk npartitions value This value is u32 on disk, but assigned to an int in memory. After we do the implicit conversion via assignment, check that the result is at least one[1] (non-negative[2]). 1. The subsequent for-loop iterates from gpt_entries minus one, down, until reaching zero. A negative or zero initial index results in undefined signed integer overflow. 2. It is also used to index into arrays later. In practice, we expected non-malicious disks to contain small positive values. CID: 1223202 r298672 (by cem): g_part_bsd64: Delete duplicate/dead code RAW_PART is handled earlier in the loop. CID: 1223201
* MFC r298755:pfg2016-05-123-5/+5
| | | | | | sys/geom: spelling fixes. These affect debugging messages.
* MFC r298698:pfg2016-05-115-10/+10
| | | | | | | | | | | | | | | geom: unsign some types to match their definitions and avoid overflows. In struct:gctl_req, nargs is unsigned. In mirror: g_mirror_syncreqs is unsigned. In raid: in struct:g_raid_volume, v_disks_count is unsigned. In virstor: in struct:g_virstor_softc, n_components is unsigned.
* MFC r292289:smh2016-01-251-2/+18
| | | | | | Prevent g_access calls to bad multipath members Sponsored by: Multiplay
* MFC r294042: Add rotationrate to geom disk dumpconfrpokala2016-01-211-0/+17
| | | | | | Parse and report the nominal rotation rate reported by the drive. Approved by: jhb
* MFC r289110:trasz2016-01-122-0/+42
| | | | | | | | | | Make geom_nop(4) collect statistics on all types of BIOs, not just reads and writes. PR: kern/198405 Submitted by: Matthew D. Fuller <fullermd at over-yonder dot net> Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D3679
* MFC r292057:ae2016-01-101-15/+16
| | | | | | | | | | | | | | | | Make detection of GPT a bit more reliable. When we are detecting a partition table and didn't find PMBR, try to read backup GPT header from the last sector and if it is correct, assume that we have GPT. Differential Revision: https://reviews.freebsd.org/D4282 MFC r292058: Remove a note about damaged PMBR. Now GPT will be detected automatically with such corruption. Relnotes: yes
* MFC r291716, r291724, r291741, r291742ken2015-12-162-38/+159
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In addition to those revisions, add this change to a file that is not in head: sys/ia64/include/bus.h: Guard kernel-only parts of the ia64 machine/bus.h header with #ifdef _KERNEL. This allows userland programs to include <machine/bus.h> to get the definition of bus_addr_t and bus_size_t. ------------------------------------------------------------------------ r291716 | ken | 2015-12-03 15:54:55 -0500 (Thu, 03 Dec 2015) | 257 lines Add asynchronous command support to the pass(4) driver, and the new camdd(8) utility. CCBs may be queued to the driver via the new CAMIOQUEUE ioctl, and completed CCBs may be retrieved via the CAMIOGET ioctl. User processes can use poll(2) or kevent(2) to get notification when I/O has completed. While the existing CAMIOCOMMAND blocking ioctl interface only supports user virtual data pointers in a CCB (generally only one per CCB), the new CAMIOQUEUE ioctl supports user virtual and physical address pointers, as well as user virtual and physical scatter/gather lists. This allows user applications to have more flexibility in their data handling operations. Kernel memory for data transferred via the queued interface is allocated from the zone allocator in MAXPHYS sized chunks, and user data is copied in and out. This is likely faster than the vmapbuf()/vunmapbuf() method used by the CAMIOCOMMAND ioctl in configurations with many processors (there are more TLB shootdowns caused by the mapping/unmapping operation) but may not be as fast as running with unmapped I/O. The new memory handling model for user requests also allows applications to send CCBs with request sizes that are larger than MAXPHYS. The pass(4) driver now limits queued requests to the I/O size listed by the SIM driver in the maxio field in the Path Inquiry (XPT_PATH_INQ) CCB. There are some things things would be good to add: 1. Come up with a way to do unmapped I/O on multiple buffers. Currently the unmapped I/O interface operates on a struct bio, which includes only one address and length. It would be nice to be able to send an unmapped scatter/gather list down to busdma. This would allow eliminating the copy we currently do for data. 2. Add an ioctl to list currently outstanding CCBs in the various queues. 3. Add an ioctl to cancel a request, or use the XPT_ABORT CCB to do that. 4. Test physical address support. Virtual pointers and scatter gather lists have been tested, but I have not yet tested physical addresses or scatter/gather lists. 5. Investigate multiple queue support. At the moment there is one queue of commands per pass(4) device. If multiple processes open the device, they will submit I/O into the same queue and get events for the same completions. This is probably the right model for most applications, but it is something that could be changed later on. Also, add a new utility, camdd(8) that uses the asynchronous pass(4) driver interface. This utility is intended to be a basic data transfer/copy utility, a simple benchmark utility, and an example of how to use the asynchronous pass(4) interface. It can copy data to and from pass(4) devices using any target queue depth, starting offset and blocksize for the input and ouptut devices. It currently only supports SCSI devices, but could be easily extended to support ATA devices. It can also copy data to and from regular files, block devices, tape devices, pipes, stdin, and stdout. It does not support queueing multiple commands to any of those targets, since it uses the standard read(2)/write(2)/writev(2)/readv(2) system calls. The I/O is done by two threads, one for the reader and one for the writer. The reader thread sends completed read requests to the writer thread in strictly sequential order, even if they complete out of order. That could be modified later on for random I/O patterns or slightly out of order I/O. camdd(8) uses kqueue(2)/kevent(2) to get I/O completion events from the pass(4) driver and also to send request notifications internally. For pass(4) devcies, camdd(8) uses a single buffer (CAM_DATA_VADDR) per CAM CCB on the reading side, and a scatter/gather list (CAM_DATA_SG) on the writing side. In addition to testing both interfaces, this makes any potential reblocking of I/O easier. No data is copied between the reader and the writer, but rather the reader's buffers are split into multiple I/O requests or combined into a single I/O request depending on the input and output blocksize. For the file I/O path, camdd(8) also uses a single buffer (read(2), write(2), pread(2) or pwrite(2)) on reads, and a scatter/gather list (readv(2), writev(2), preadv(2), pwritev(2)) on writes. Things that would be nice to do for camdd(8) eventually: 1. Add support for I/O pattern generation. Patterns like all zeros, all ones, LBA-based patterns, random patterns, etc. Right Now you can always use /dev/zero, /dev/random, etc. 2. Add support for a "sink" mode, so we do only reads with no writes. Right now, you can use /dev/null. 3. Add support for automatic queue depth probing, so that we can figure out the right queue depth on the input and output side for maximum throughput. At the moment it defaults to 6. 4. Add support for SATA device passthrough I/O. 5. Add support for random LBAs and/or lengths on the input and output sides. 6. Track average per-I/O latency and busy time. The busy time and latency could also feed in to the automatic queue depth determination. sys/cam/scsi/scsi_pass.h: Define two new ioctls, CAMIOQUEUE and CAMIOGET, that queue and fetch asynchronous CAM CCBs respectively. Although these ioctls do not have a declared argument, they both take a union ccb pointer. If we declare a size here, the ioctl code in sys/kern/sys_generic.c will malloc and free a buffer for either the CCB or the CCB pointer (depending on how it is declared). Since we have to keep a copy of the CCB (which is fairly large) anyway, having the ioctl malloc and free a CCB for each call is wasteful. sys/cam/scsi/scsi_pass.c: Add asynchronous CCB support. Add two new ioctls, CAMIOQUEUE and CAMIOGET. CAMIOQUEUE adds a CCB to the incoming queue. The CCB is executed immediately (and moved to the active queue) if it is an immediate CCB, but otherwise it will be executed in passstart() when a CCB is available from the transport layer. When CCBs are completed (because they are immediate or passdone() if they are queued), they are put on the done queue. If we get the final close on the device before all pending I/O is complete, all active I/O is moved to the abandoned queue and we increment the peripheral reference count so that the peripheral driver instance doesn't go away before all pending I/O is done. The new passcreatezone() function is called on the first call to the CAMIOQUEUE ioctl on a given device to allocate the UMA zones for I/O requests and S/G list buffers. This may be good to move off to a taskqueue at some point. The new passmemsetup() function allocates memory and scatter/gather lists to hold the user's data, and copies in any data that needs to be written. For virtual pointers (CAM_DATA_VADDR), the kernel buffer is malloced from the new pass(4) driver malloc bucket. For virtual scatter/gather lists (CAM_DATA_SG), buffers are allocated from a new per-pass(9) UMA zone in MAXPHYS-sized chunks. Physical pointers are passed in unchanged. We have support for up to 16 scatter/gather segments (for the user and kernel S/G lists) in the default struct pass_io_req, so requests with longer S/G lists require an extra kernel malloc. The new passcopysglist() function copies a user scatter/gather list to a kernel scatter/gather list. The number of elements in each list may be different, but (obviously) the amount of data stored has to be identical. The new passmemdone() function copies data out for the CAM_DATA_VADDR and CAM_DATA_SG cases. The new passiocleanup() function restores data pointers in user CCBs and frees memory. Add new functions to support kqueue(2)/kevent(2): passreadfilt() tells kevent whether or not the done queue is empty. passkqfilter() adds a knote to our list. passreadfiltdetach() removes a knote from our list. Add a new function, passpoll(), for poll(2)/select(2) to use. Add devstat(9) support for the queued CCB path. sys/cam/ata/ata_da.c: Add support for the BIO_VLIST bio type. sys/cam/cam_ccb.h: Add a new enumeration for the xflags field in the CCB header. (This doesn't change the CCB header, just adds an enumeration to use.) sys/cam/cam_xpt.c: Add a new function, xpt_setup_ccb_flags(), that allows specifying CCB flags. sys/cam/cam_xpt.h: Add a prototype for xpt_setup_ccb_flags(). sys/cam/scsi/scsi_da.c: Add support for BIO_VLIST. sys/dev/md/md.c: Add BIO_VLIST support to md(4). sys/geom/geom_disk.c: Add BIO_VLIST support to the GEOM disk class. Re-factor the I/O size limiting code in g_disk_start() a bit. sys/kern/subr_bus_dma.c: Change _bus_dmamap_load_vlist() to take a starting offset and length. Add a new function, _bus_dmamap_load_pages(), that will load a list of physical pages starting at an offset. Update _bus_dmamap_load_bio() to allow loading BIO_VLIST bios. Allow unmapped I/O to start at an offset. sys/kern/subr_uio.c: Add two new functions, physcopyin_vlist() and physcopyout_vlist(). sys/pc98/include/bus.h: Guard kernel-only parts of the pc98 machine/bus.h header with #ifdef _KERNEL. This allows userland programs to include <machine/bus.h> to get the definition of bus_addr_t and bus_size_t. sys/sys/bio.h: Add a new bio flag, BIO_VLIST. sys/sys/uio.h: Add prototypes for physcopyin_vlist() and physcopyout_vlist(). share/man/man4/pass.4: Document the CAMIOQUEUE and CAMIOGET ioctls. usr.sbin/Makefile: Add camdd. usr.sbin/camdd/Makefile: Add a makefile for camdd(8). usr.sbin/camdd/camdd.8: Man page for camdd(8). usr.sbin/camdd/camdd.c: The new camdd(8) utility. Sponsored by: Spectra Logic ------------------------------------------------------------------------ r291724 | ken | 2015-12-03 17:07:01 -0500 (Thu, 03 Dec 2015) | 6 lines Fix typos in the camdd(8) usage() function output caused by an error in my diff filter script. Sponsored by: Spectra Logic ------------------------------------------------------------------------ r291741 | ken | 2015-12-03 22:38:35 -0500 (Thu, 03 Dec 2015) | 10 lines Fix g_disk_vlist_limit() to work properly with deletes. Add a new bp argument to g_disk_maxsegs(), and add a new function, g_disk_maxsize() tha will properly determine the maximum I/O size for a delete or non-delete bio. Submitted by: will Sponsored by: Spectra Logic ------------------------------------------------------------------------ ------------------------------------------------------------------------ r291742 | ken | 2015-12-03 22:44:12 -0500 (Thu, 03 Dec 2015) | 5 lines Fix a style issue in g_disk_limit(). Noticed by: bdrewery ------------------------------------------------------------------------ Sponsored by: Spectra Logic
* MFC r291004:smh2015-12-011-5/+22
| | | | | | Fix early kernel dump via dumpdev env Sponsored by: Multiplay
* MFC r288153:smh2015-12-011-1/+8
| | | | | | Use kenv 'dumpdev' in the same way as etc/rc.d/dumpon Sponsored by: Multiplay
* MFC r274366:smh2015-11-231-7/+7
| | | | | | | Add missing privilege check when setting the dump device. Approved by: pjd, secteam (both no objections) Sponsored by: Multiplay
* MFC r290406:smh2015-11-231-9/+9
| | | | | | Fix g_eli error loss conditions Sponsored by: Multiplay
* MFC r286512:ngie2015-10-251-6/+6
| | | | | | | | | Make some debug printf's into DPRINTF's to reduce noise on attach/detahh Similar reasoning to what was done in r286367 with geom_uzip(4) Differential Revision: D3320 Sponsored by: EMC / Isilon Storage Division
* MFC r286367:ngie2015-10-251-4/+4
| | | | | | | | Make some debug printf's into DPRINTF's to reduce noise on attach/detach Differential Revision: https://reviews.freebsd.org/D3306 Reviewed by: loos Sponsored by: EMC / Isilon Storage Division
* MFC r287827:trasz2015-10-182-3/+41
| | | | | | | Add a way to specify stripesize and stripeoffset to gnop(8). This makes it possible to "simulate" 4K media, to eg test alignment handling. Sponsored by: The FreeBSD Foundation
* MFC r286283:trasz2015-10-181-0/+7
| | | | | | | Fix panic triggered by code like this: open("/dev/md0", O_EXEC); Sponsored by: The FreeBSD Foundation
* MFC r286237:trasz2015-10-181-0/+14
| | | | | | | | | | | | Fix panic that would happen on forcibly unmounting devfs (note that as it is now, devfs ignores MNT_FORCE anyway, so it needs to be modified to trigger the panic) with consumers still opened. Note that this still results in a leak of r/w/e counters. It seems to be harmless, though. If anyone knows a better way to approach this - please tell. Sponsored by: The FreeBSD Foundation
* MFC 281310, 287567:imp2015-09-162-3/+3
| | | | | | | | | | r287567 | imp | 2015-09-08 11:47:56 -0600 (Tue, 08 Sep 2015) | 16 lines Mark the swap pager as direct dispatch compatible. r281310 | mav | 2015-04-09 07:09:05 -0600 (Thu, 09 Apr 2015) | 4 lines Remove sleeps from geom_up thread on device destruction.
* MFC: r287405:imp2015-09-081-7/+41
| | | | Make out of memory behavior less pathological.
* MFC r286404:kib2015-08-141-5/+5
| | | | | | | The condition to use direct processing for the unmapped bio is reverted. MFC r286405: Minor style cleanup of the code surrounding r286404.
* MFC r286615:pfg2015-08-144-4/+4
| | | | Clean up some externally visible "more then" occurences
* MFC r285889:ae2015-08-021-2/+4
| | | | | | | Report the scheme and provider names in warning message about unaligned partition. PR: 201873
* MFC r284582:trasz2015-08-024-18/+19
| | | | | | | | Fix off-by-one error in fstyp(8) and geom_label(4) that made them use a single space (" ") as a CD9660 label name when no label was present. Similar problem was also present in msdosfs label recognition. Sponsored by: The FreeBSD Foundation
* MFC: r285594allanjude2015-07-211-0/+16
| | | | | | | | | | | New partition flag for gpart, writes the 0xee partition in the pmbr in the second slot, rather than the first. Works around Lenovo legacy GPT boot issue PR: 184910 Approved by: re (gjb), marcel Relnotes: yes Sponsored by: ScaleEngine Inc. Differential Revision: https://reviews.freebsd.org/D3140
* MFC r273489 (cperciva):gjb2015-07-081-0/+19
| | | | | | | | | | | | | | | | | | | Populate the GELI passphrase cache with the kern.geom.eli.passphrase variable (if any) provided in the boot environment. Unset it from the kernel environment after doing this, so that the passphrase is no longer present in kernel memory once we enter userland. This will make it possible to provide a GELI passphrase via the boot loader. Note: head and stable/10 differ as a result of r273174, which renames the getenv(), setenv(), and unsetenv() functions with kern_getenv(), kern_setenv(), and kern_unsetenv(), which was reverted in the relevant parts of this change in 10-STABLE. PR: 200448 Approved by: re (kib) Sponsored by: The FreeBSD Foundation
* Revert r285249, pending further investigation on how the buildgjb2015-07-071-19/+0
| | | | | | | | broke. Approved by: re (implicit) Pointyhat: gjb (self) Sponsored by: The FreeBSD Foundation
* MFC r273489 (cperciva):gjb2015-07-071-0/+19
| | | | | | | | | | | | | | Populate the GELI passphrase cache with the kern.geom.eli.passphrase variable (if any) provided in the boot environment. Unset it from the kernel environment after doing this, so that the passphrase is no longer present in kernel memory once we enter userland. This will make it possible to provide a GELI passphrase via the boot loader. PR: 200448 Approved by: re (kib) Sponsored by: The FreeBSD Foundation
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