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* libdiskfs: Make mapping the time device more robust.Justus Winter2017-08-061-5/+7
| | | | | * libdiskfs/init-init.c (diskfs_init_diskfs): First try /dev/time, then fall back to the Mach device.
* Use our own variant of 'assert' and 'assert_perror'.Justus Winter2017-08-0526-109/+109
| | | | | Our variants print stack traces on failures. This will make locating errors much easier.
* Pass the kernel's task port to proc.Justus Winter2017-03-122-10/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, the early server bootstrap relied upon a specific task layout to determine the kernels task port. Explicitly pass it from the kernel instead. * boot/boot.c (default_boot_script): Add '--kernel-task' parameter to ext2fs. (main): New bootscript variable 'kernel-task'. * libdiskfs/boot-start.c (diskfs_kernel_task): Declaration variable. (diskfs_start_bootstrap): If '--kernel-task' was given to us, pass it along to startup. * libdiskfs/opts-std-startup.c (diskfs_kernel_task): New variable. (startup_options): Add '--kernel-task' option. (parse_startup_opt): Handle option. * proc/main.c (kernel_task): New variable. (OPT_KERNEL_TASK): New macro. (options): New variable. (parse_opt): New function. (main): Parse options. Use 'kernel_task' if provided. * release/servers.boot: Add '--kernel-task' parameter to ext2fs. * startup/startup.c (OPT_KERNEL_TASK): New macro. (options): Add '--kernel-task' option. (kernel_task): New variable. (insert_ports_fnc_t): New declaration. (run): Add argument for a function that inserts rights into the newly created task and adds arguments to the argument vector. (argz_task_insert_right): New function. (proc_insert_ports): Likewise. (parse_opt): New function. (main): Pass the kernel's task port to proc. (frob_kernel_process): Use the kernel's task port.
* libdiskfs: Factorize code for last hard reference being releasedSamuel Thibault2016-10-315-46/+57
| | | | | | | | * libdiskfs/node-lastref.c: New file * libdiskfs/Makefile (OTHERSRCS): Add node-lastref.c * libdiskfs/libdiskfs/node-nput.c (diskfs_nput): Replace last hard reference code with a call to _diskfs_lastref. * libdiskfs/node-nrele.c (diskfs_nrele): Likewise.
* libdiskfs: fix removal of socket nodesSamuel Thibault2016-10-311-0/+6
| | | | | | | | Follow-up on 5ab5d98fa515cd19a64e8d5868fcbae85eec9dc5 ('libdiskfs: fix removal of socket nodes'), for diskfs_nrele. * libdiskfs/node-nrele.c (diskfs_nrele): Deallocate right to socket address when cleaning light references.
* Mark library stubs as weakSamuel Thibault2016-10-301-4/+4
| | | | | | | | | | | | | | | | | | | | | So that static linking of e.g. console.static can work. * libdiskfs/io-stubs.c (diskfs_S_io_readsleep, diskfs_S_io_eofnotify, diskfs_S_io_postnotify, diskfs_S_io_readnotify): Mark weak. * libnetfs/fsstubs.c (netfs_S_file_notice_changes, netfs_S_file_getfh, netfs_S_ifsock_getsockaddr): Likewise. * libnetfs/fsysstubs.c (netfs_S_fsys_getfile: netfs_S_fsys_getpriv, netfs_S_fsys_init, netfs_S_fsys_forward, netfs_S_fsys_startup): Likewise. * libpager/stubs.c (_pager_S_memory_object_copy, _pager_S_memory_object_data_write, _pager_S_memory_object_supply_completed): Likewise. * libtrivfs/fsys-stubs.c (trivfs_S_fsys_startup, trivfs_S_fsys_getpriv, trivfs_S_fsys_init, trivfs_S_fsys_getfile): Likewise. * libtrivfs/io-stubs.c (trivfs_S_io_map_cntl, trivfs_S_io_get_conch, trivfs_S_io_release_conch, trivfs_S_io_eofnotify, trivfs_S_io_prenotify, trivfs_S_io_postnotify, trivfs_S_io_readsleep, trivfs_S_io_sigio, trivfs_S_io_readnotify): Likewise.
* libdiskfs: Make utimes RPC flush pending timestamp updatesSamuel Thibault2016-10-271-0/+3
| | | | | | | Thanks Kalle Olavi Niemitalo for the notice. * libdiskfs/file-utimes.c (diskfs_S_file_utimes): Call diskfs_set_node_times before setting node timestamps.
* libdiskfs: Fix timestamp update on file closeSamuel Thibault2016-10-271-0/+4
| | | | | * libdiskfs/node-nrele.c (diskfs_nrele): Call diskfs_set_node_times when there are no hard refs any more, like diskfs_nput does.
* libdiskfs: Fix short-circuiting translators.Justus Winter2016-10-031-1/+14
| | | | | | | | | * libdiskfs/file-set-trans.c (diskfs_S_file_set_translator): When setting a short-circuited translator, clear the translator record first. Improve error handling. This notably fixes a crash in ext2fs when setting a symlink on a node with an existing translator record.
* Fix message about not being able to request shutdown notificationSamuel Thibault2016-08-301-1/+1
| | | | | | | | It is just a warning, not a fatal error. * libdiskfs/init-startup.c (_diskfs_init_completed): Prefix warning about requesting shutdown nofication with "warning:". * random/random.c (main): Likewise.
* libdiskfs: fix error handlingJustus Winter2016-05-221-1/+1
| | | | * libdiskfs/dir-rmdir.c (diskfs_S_dir_rmdir): Initialize 'np'.
* Avoid superfluous locking of nodeJustus Winter2016-05-191-2/+0
| | | | | | * libdiskfs/io-restrict-auth.c (diskfs_S_io_restrict_auth): Do not lock the associated node. No operation here needs synchronization. * libnetfs/io-restrict-auth.c (netfs_S_io_restrict_auth): Likewise.
* Unify the short-circuit translator logicJustus Winter2016-05-193-50/+28
| | | | | | | | | | | | | | | * libdiskfs/dir-lookup.c (short_circuited_callback1): Move function to libfshelp. (diskfs_S_dir_lookup): Use the function from libfshelp instead. * libdiskfs/fsys-getroot.c (diskfs_S_fsys_getroot): Adapt accordingly. * libdiskfs/trans-callback.c (_diskfs_translator_callback2_fn): Likewise. * libfshelp/fetch-root.c (fshelp_short_circuited_callback1): New function. * libfshelp/fshelp.h (struct fshelp_stat_cookie): New definition. (fshelp_short_circuited_callback1): New prototype. * libnetfs/dir-lookup.c (short_circuited_callback1): Drop function. (netfs_S_dir_lookup): Use the function from libfshelp instead. * libnetfs/fsys-getroot.c (netfs_S_fsys_getroot): Adapt accordingly. * libnetfs/trans-callback.c (_netfs_translator_callback2_fn): Likewise.
* libdiskfs: cosmetic changesJustus Winter2016-05-191-56/+57
| | | | | | | | * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Rename identifiers to be more idiomatic and closer to libnetfs and the interface specification. Massage the code so that it aligns closer with the dir_lookup server function in libnetfs. It should not change the behavior.
* libdiskfs: Reject LFS seeks and read/writesSamuel Thibault2016-04-262-1/+14
| | | | | | | | | | vm_offset_t (used by pager_memcpy) is not 64bit-ready yet. Reject requests which go further than this. * libdiskfs/io-seek.c (diskfs_S_io_seek): Return EFBIG when requested offset is beyond limits of vm_offset_t. * libdiskfs/rdwr-internal.c (_diskfs_rdwr_internal): Return EFBIG when request goes beyond limits of vm_offset_t.
* libdiskfs: improve error handlingJustus Winter2016-04-261-1/+2
| | | | | * libdiskfs/boot-start.c (diskfs_start_bootstrap): Improve error handling.
* Fix mustbedir mechanism for symlinksSamuel Thibault2016-02-281-8/+9
| | | | | | | | | | | * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): When following a symlink, if mustbedir is true, always append a slash to the symlink target, not only when the target is absolute. Reset mustbedir to 0 before continuing the lookup loop. * libnetfs/dir-lookup.c (netfs_S_dir_lookup): When following a symlink, if mustbedir is true, append a slash to the symlink target. Reset mustbedir to 0 before continuing the lookup loop. * libtreefs/dir-lookup.c (_treefs_s_dir_lookup): Likewise.
* libdiskfs: fix and improve locking in nrefs/nput.Flavio Cruz2016-02-152-3/+6
| | | | | | * libnetfs/node-nput.c: Do not unlock the node since it will be unlocked later. * libnetfs/node-nrele.c: Do not lock the node twice if not needed.
* Fix O_DIRECTORY lookup on trivial translatorsFlavio Cruz2016-01-131-6/+15
| | | | | | | * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): If mustbedir, make sure entry is a directory by retrying "/", or starting the translator and retrying "/". * libnetfs/dir-lookup.c (netfs_S_dir_lookup): Likewise.
* fix compiler warnings in hurd/libdiskfsFlavio Cruz2015-12-292-3/+3
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* libdiskfs: use ihash for the node cacheJustus Winter2015-12-013-59/+55
| | | | | | | | | | | | | | | | Replace the hand-written hash table in the node cache with libihash. Libihash is a self-tuning hash table, whereas the previous code used a fixed number of buckets. * libdiskfs/Makefile (HURDLIBS): Link to `ihash'. * libdiskfs/diskfs.h (struct node): Remove bucket list, add slot pointer. * libdiskfs/node-cache.c (nodecache): New ihash table replacing the old `nodehash'. (lookup): Drop function. (diskfs_cached_lookup_context): Adapt accordingly. (diskfs_cached_ifind): Likewise. (diskfs_try_dropping_softrefs): Likewise. (diskfs_node_iterate): Likewise.
* libihash: provide a general purpose hash algorithmJustus Winter2015-11-291-86/+3
| | | | | | | * libdiskfs/name-cache.c: Move the Murmur3 algorithm... * libihash/murmur3.c: ... here, and properly attribute the code. * libihash/ihash.h (hurd_ihash_hash32): New prototype. * libihash/Makefile (SRCS): Add new file.
* libdiskfs: fflush stdout when pausingJustus Winter2015-10-051-0/+1
| | | | | * libdiskfs/boot-start.c (diskfs_start_bootstrap): fflush stdout when pausing for /hurd/startup.
* libdiskfs: fflush stdout when pausingJustus Winter2015-09-271-0/+1
| | | | * libdiskfs/boot-start.c (start_execserver): fflush stdout when pausing.
* libdiskfs: improve error handlingJustus Winter2015-09-271-3/+6
| | | | * libdiskfs/boot-start.c (start_execserver): Improve error handling.
* Fix race condition in ext2fs when remountingJames Clarke2015-09-062-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On some systems, ext2fs.static would regularly hang at startup, as a race condition meant it would process paging requests while remounting. To fix this, libpager has been altered to allow inhibiting and resuming its worker threads, and ext2fs uses this to inhibit paging while remounting. * console/pager.c (pager_requests): New variable. (user_pager_init): Updated call to pager_start_workers to use new pager_requests variable. * daemons/runsystem.sh: Removed artificial delay working around the race condition. * ext2fs/ext2fs.c (diskfs_reload_global_state): Call new inhibit_ext2_pager and resume_ext2_pager functions, and leave sblock as non-NULL so it will be munmapped. * ext2fs/ext2fs.h (inhibit_ext2_pager,resume_ext2_pager): New functions. * ext2fs/pager.c (file_pager_requests): New variable. (create_disk_pager): Updated call to pager_start_workers to use new file_pager_requests variable. (inhibit_ext2_pager,resume_ext2_pager): New functions. * fatfs/fatfs.h (inhibit_fat_pager,resume_fat_pager): New functions. * fatfs/pager.c (file_pager_requests): New variable. (create_fat_pager): Updated call to pager_start_workers to use new file_pager_requests variable. (inhibit_fat_pager,resume_fat_pager): New functions. * libdiskfs/disk-pager.c (diskfs_disk_pager_requests): New variable. (diskfs_start_disk_pager): Updated call to pager_start_workers to use new diskfs_disk_pager_requests variable. * libdiskfs/diskfs-pager.h (diskfs_disk_pager_requests): New variable. * libpager/demuxer.c (struct pager_requests): Renamed struct requests to struct pager_requests. Replaced queue with queue_in and queue_out pointers. Added inhibit_wakeup field. (pager_demuxer): Updated to use new queue_in/queue_out pointers. Only wake up workers if not inhibited. (worker_func): Updated to use new queue_in/queue_out pointers. Final worker thread to sleep notifies the inhibit_wakeup condition variable. (pager_start_workers): Added out parameter for the requests instance. Allocate heap space shared by both queues. Initialise new inhibit_wakeup condition. (pager_inhibit_workers,pager_resume_workers): New functions. * libpager/pager.h (struct pager_requests): Public forward definition. (pager_start_workers): Added out parameter for the requests instance. (pager_inhibit_workers,pager_resume_workers): New functions. * libpager/queue.h (queue_empty): New function. * storeio/pager.c (pager_requests): New variable. (init_dev_paging): Updated call to pager_start_workers to use new pager_requests variable.
* libdiskfs: rename `error' variableJustus Winter2015-08-253-62/+62
| | | | | | * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Rename `error' to `err'. * libdiskfs/file-getcontrol.c (diskfs_S_file_getcontrol): Likewise. * libdiskfs/file-syncfs.c (diskfs_S_file_syncfs): Likewise.
* libdiskfs: add missing declarationsJustus Winter2015-08-251-0/+8
| | | | | * libdiskfs/diskfs.h (diskfs_node_disknode): Add missing declaration. (diskfs_disknode_node): Likewise.
* libdiskfs: fix typoJustus Winter2015-08-251-1/+1
| | | | * libdiskfs/diskfs.h: Fix typo.
* libdiskfs: fix parent lookup in the name cacheJustus Winter2015-08-201-1/+1
| | | | * libdiskfs/name-cache.c (diskfs_check_lookup_cache): Drop stray negation.
* Do not keep mutex locked while waiting for authenticate loopSamuel Thibault2015-07-041-0/+3
| | | | | | | * libdiskfs/io-reauthenticate.c (diskfs_S_io_reauthenticate): Release the node lock while blocking on the auth server and client. * libnetfs/io-reauthenticate.c (netfs_S_io_reauthenticate): Likewise. * pfinet/io-ops.c (S_io_reauthenticate): Likewise.
* libdiskfs: do not print a message on ENOMEMJustus Winter2015-06-051-1/+0
| | | | | * libdiskfs/node-cache.c (diskfs_node_iterate): Do not print a message on ENOMEM.
* libdiskfs: fix renaming of directoriesJustus Winter2015-05-191-0/+2
| | | | | | | | | | | | | Previously, file permissions and ownership of the target directory were ignored when renaming a directory: % mkdir a b % chmod 555 a % mv b a % ls a b * libdiskfs/dir-renamed.c (diskfs_rename_dir): Fix error handling.
* libdiskfs: implement a node cacheJustus Winter2015-04-173-4/+308
| | | | | | | | | | | | | | | | | | | | | Previously, all users of libdiskfs implemented a node cache on their own. Move the node cache from ext2fs into libdiskfs. We preserve the previous API by marking all functions that we pull from ext2fs as weak, so that users like tmpfs can still implement their own node cache. * ext2fs/dir.c (diskfs_lookup_hard): Adjust accordingly. * ext2fs/ext2fs.c (main): Don't call `inode_init'. * ext2fs/ext2fs.h (struct disknode): Drop `hnext', `hprevp'. * ext2fs/inode.c: Move the node cache into diskfs. (diskfs_user_make_node): New function. (diskfs_try_dropping_softrefs): Rename to `diskfs_user_try_dropping_softrefs'. (read_node): Rename to `diskfs_user_read_node'. Also move a chunk of code dealing with generations from `diskfs_cached_lookup' here. * libdiskfs/Makefile (OTHERSRCS): Add `node-cache.c'. * libdiskfs/diskfs.h (struct node): Add `hnext', `hprevp'. Amend existing comments, add forward declarations. * libdiskfs/node-cache.c: New file.
* libdiskfs: declare all inline functions as `extern inline'Justus Winter2015-04-171-2/+6
| | | | | | * libdiskfs/diskfs.h (diskfs_node_disknode, diskfs_disknode_node): Declare functions as `extern inline' so that we can use them in other functions declared as `extern inline'.
* libdiskfs: fix node initializationJustus Winter2015-04-171-0/+1
| | | | * libdiskfs/node-make.c (init_node): Initialize flag `author_tracks_uid'.
* libdiskfs: drop unused fields from struct nodeJustus Winter2015-04-171-2/+0
| | | | | * libdiskfs/diskfs.h (struct node): Drop unused fields from struct node.
* libdiskfs: make struct node more compactJustus Winter2015-04-171-6/+11
| | | | * libdiskfs/diskfs.h (struct node): Turn flags into a bit field.
* libdiskfs: lock-less reference counting of nodesJustus Winter2015-04-1710-99/+66
| | | | | | | | | | | | | | | | | | | | * libdiskfs/diskfs.h (struct node): Use refcounts_t for reference counting. (diskfs_node_refcnt_lock): Remove. (diskfs_node_norefs,diskfs_drop_node): Change comments accordingly. * libdiskfs/init-init.c: Adjust accordingly. * libdiskfs/node-drop.c: Likewise. * libdiskfs/node-make.c: Likewise. * libdiskfs/node-nput.c: Likewise. * libdiskfs/node-nputl.c: Likewise. * libdiskfs/node-nref.c: Likewise. * libdiskfs/node-nrefl.c: Likewise. * libdiskfs/node-nrele.c: Likewise. * libdiskfs/node-nrelel.c: Likewise. * ext2fs/inode.c: Likewise. * fatfs/inode.c: Likewise. * isofs/inode.c: Likewise. * tmpfs/node.c: Likewise. * doc/hurd.texi: Likewise.
* Fix space styleSamuel Thibault2015-03-0517-204/+204
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* libdiskfs: fix port leakJustus Winter2015-01-171-0/+1
| | | | * libdiskfs/boot-start.c (get_console): Deallocate `device_master'.
* Avoid ./ components in mtab outputSamuel Thibault2014-12-191-2/+2
| | | | | | * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Match "." path as being the root directory. * libnetfs/dir-lookup.c (netfs_S_dir_lookup): Likewise.
* Replace `bcopy' with `memcpy' or `memmove' as appropriateJustus Winter2014-12-101-5/+5
| | | | | | | | | | | | | | | | | | | * ext2fs/inode.c: Replace `bcopy' with `memcpy' or `memmove' as appropriate. * ext2fs/pager.c: Likewise. * isofs/lookup.c: Likewise. * isofs/main.c: Likewise. * isofs/rr.c: Likewise. * libdiskfs/file-get-trans.c: Likewise. * libiohelp/return-buffer.c: Likewise. * libpager/pagemap.c: Likewise. * libpipe/pq.c: Likewise. * libpipe/pq.h: Likewise. * libstore/unzipstore.c: Likewise. * mach-defpager/default_pager.c: Likewise. * pfinet/ethernet.c: Likewise. * pfinet/tunnel.c: Likewise. * storeio/dev.c: Likewise.
* Replace `bzero' with `memset'Justus Winter2014-12-102-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For reference, this patch was created using the following semantic patch, and then manually applying the change in all functions containing nested functions, as those are not supported by Coccinelle. @@ expression A, B; @@ - bzero (A, B) + memset (A, 0, B) * auth/auth.c: Replace `bzero' with `memset'. * boot/boot.c: Likewise. * defpager/defpager.c: Likewise. * exec/exec.c: Likewise. Also, drop `safe_bzero' and just use `hurd_safe_memset' directly. * ext2fs/ext2fs.c: Likewise. * ext2fs/getblk.c: Likewise. * ext2fs/pager.c: Likewise. * fatfs/pager.c: Likewise. * ftpfs/dir.c: Likewise. * ftpfs/netfs.c: Likewise. * isofs/inode.c: Likewise. * isofs/pager.c: Likewise. * libdiskfs/file-getfh.c: Likewise. * libdiskfs/file-statfs.c: Likewise. * libfshelp/fetch-root.c: Likewise. * libfshelp/start-translator.c: Likewise. * libftpconn/create.c: Likewise. * libftpconn/open.c: Likewise. * libftpconn/unix.c: Likewise. * libpipe/pipe.c: Likewise. * libps/procstat.c: Likewise. * libps/spec.c: Likewise. * libshouldbeinlibc/cacheq.c: Likewise. * libshouldbeinlibc/idvec.c: Likewise. * libshouldbeinlibc/ugids.c: Likewise. * libstore/argp.c: Likewise. * libstore/enc.c: Likewise. * libstore/kids.c: Likewise. * libthreads/alpha/thread.c: Likewise. * libtreefs/fsys.c: Likewise. * libtrivfs/file-statfs.c: Likewise. * mach-defpager/default_pager.c: Likewise. * pfinet/glue-include/asm/uaccess.h: Likewise. * pfinet/io-ops.c: Likewise. * pfinet/options.c: Likewise. * pfinet/socket.c: Likewise. * pfinet/timer-emul.c: Likewise. * pflocal/io.c: Likewise. * startup/startup.c: Likewise. * storeio/storeio.c: Likewise. * sutils/fstab.c: Likewise. * usermux/usermux.c: Likewise. * utils/fakeauth.c: Likewise. * utils/frobauth.c: Likewise. * utils/login.c: Likewise. * utils/x.c: Likewise.
* libdiskfs: add payload-aware intrans functionsJustus Winter2014-12-072-0/+34
| | | | | | | * libdiskfs/diskfs.h (diskfs_begin_using_protid_payload): New function. (diskfs_begin_using_control_payload): Likewise. (diskfs_begin_using_bootinfo_payload): Likewise. * libdiskfs/fsmutations.h: Add mutators.
* libdiskfs: fix fabrication of protidJustus Winter2014-11-231-1/+2
| | | | * libdiskfs/dir-init.c (diskfs_init_dir): Fix fabrication of protid.
* startup: bind the startup server to /servers/startupJustus Winter2014-11-212-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | Previously, the Hurd (ab)used the fact that the startup server speaks all protocols on its message port. Any server that wished to register for shutdown notifications would use proc_getmsgport to get a port to the startup server. This hardcodes the PID of /hurd/startup, and does not allow one to point a server to ones own startup server (e.g. using remap). Bind the startup server to /servers/startup instead. Use this to contact the startup server. * exec/main.c (S_exec_init): Use /servers/startup. Fall back to the old method so that the system still boots when the node /servers/startup is missing. * hurd/paths.h (_SERVERS_STARTUP): New macro. * libdiskfs/boot-start.c (diskfs_S_fsys_init): Use /servers/startup. * libdiskfs/init-startup.c (_diskfs_init_completed): Likewise. * pfinet/main.c (arrange_shutdown_notification): Likewise. * startup/Makefile (OBJS): Add fsysServer.o. * startup/startup.c (demuxer): Handle the fsys protocol. (main): Bind to /servers/startup. (S_fsys_getroot): Implement fsys_getroot. Stub out the rest.
* startup: rename /hurd/init to /hurd/startupJustus Winter2014-11-212-2/+2
| | | | | | | | | | | | | This patch series splits /hurd/init into two programs. As a first step, this patch renames /hurd/init to /hurd/startup. It is called startup because it speaks the startup protocol. * startup: Rename init to startup. Adjust accordingly. * Makefile (prog-subdirs): Likewise. * doc/hurd.texi (Server Bootstrap): Likewise. * hurd/paths.h (_HURD_STARTUP): Likewise. * libdiskfs/boot-start.c (diskfs_boot_init_program): Likewise. * libdiskfs/opts-std-startup.c (startup_options): Likewise.
* Fix recording complete path of passive relative translatorsSamuel Thibault2014-11-211-1/+10
| | | | | * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Prepend current path to the relative path before recording the active translator.
* Deal with odd kernel behaviorSamuel Thibault2014-11-091-0/+1
| | | | | | | | | | | | | | Some versions of gnumach actually take address as a mapping hint, and would fail if the hint is bogus. Make sure to pass 0 for those versions. * console/pager.c (user_pager_create): Make sure to set *user to 0 before calling vm_map. * libdiskfs/disk-pager.c (diskfs_start_disk_pager): Make sure to set *image to 0 before calling vm_map. * libpager/pager-memcpy.c (pager_memcpy): Set window to 0 before calling vm_map. * tmpfs/node.c (diskfs_get_filemap): Make sure to set np->dn->u.reg.memref to 0 before calling vm_map.
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