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2026-04-04file-systems: Correctly report mount failure diagnostics.Ludovic Courtès
Previously the message would be something like: shepherd[1]: could not mount partition efivarfs: ~A * gnu/build/file-systems.scm (mount-file-system): On ‘system-error?’ destructure the arguments of C. Change-Id: I4e84d8ce424dd1d07eae5e22389164479309bbfd Signed-off-by: Ludovic Courtès <ludo@gnu.org> Merges: #7463
2026-02-23file-systems: canonicalize-device-spec: Wait for device to exist.Rutherther
Waits for devices specified by a string. Fixes: #6134 Change-Id: I430483deccb70fad44fe0e141afc050ae41308dc Signed-off-by: Maxim Cournoyer <maxim@guixotic.coop>
2026-02-23file-systems: mount-file-system: Guard against missing devices.Rutherther
When a device with a UUID is missing, canonicalize-device-spec will throw an error. This error is not handled for mount-may-fail? devices. That means that if you use UUID device and it isn't available, the boot will hang on the user-file-systems not being started. All user services depend on that service. Also added a test for this behavior. * gnu/build/file-systems.scm (mount-file-system): Guard canonicalize-device-spec call. (canonicalize-device-spec): Throw &partition-lookup-error on missing partition. (&partition-lookup-error): New variable. * gnu/tests/base.scm (%test-missing-file-system): New variable. Change-Id: I3b8d652251cef421cff6d2fdafb8d9d7d1fc74b5 Reported-By: renbus, on IRC Signed-off-by: Maxim Cournoyer <maxim@guixotic.coop>
2025-11-06file-systems: Support the 'remount' mount flag.Sören Tempel
This allows remounting file systems which are already mounted by the initrd with custom mount options (e.g. /proc with hidepid=2). * gnu/build/file-systems.scm (mount-flags->bit-mask): Map 'remount to MS_REMOUNT. * gnu/system/file-systems.scm (invalid-file-system-flags): Add 'remount to the list of KNOWN-FLAGS. * doc/guix.texi (File Systems): Document it. Fixes: guix/guix#3849 Change-Id: I0ab116a5b4f7bd201e955ecf022e260c63828dc4 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2025-09-21file-systems: Fix article usage in docstrings.Jean-Baptiste Note
* gnu/build/file-systems.scm (linux-swap-superblock?) (read-linux-swap-superblock, bcachefs-superblock?): Use "a" instead of "an" before consonant sounds. Change-Id: Ifb36a125733ff898ecbef0a0a546819130707fba Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2025-09-21file-systems: Add support for hibernation swap detection.Jean-Baptiste Note
* gnu/build/file-systems.scm (%linux-swsuspend-magic): New variable. (linux-swsuspend-superblock?, read-linux-swsuspend-superblock): New procedures. (%partition-label-readers, %partition-uuid-readers): Add readers for linux-swsuspend superblocks. Change-Id: If77ca9b4ae1f72c4e9ce52149b10d331566b0030 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2025-09-18Reapply "Update Maxim's email address."Maxim Cournoyer
This reverts commit a7db92d9b389cbe565395523882c34c6eff2c21a, this time with the more careful command, to avoid a world rebuild: grep -rl --exclude-dir=build --exclude-dir=patches --exclude=ld-wrapper.in \ --exclude=sitecustomize.py --exclude=guix-emacs.el maxim.cournoyer@gmail.com | xargs sed -i 's/maxim.cournoyer@gmail.com/maxim@guixotic.coop/g' Change-Id: I0871f5cf9ace79e34e78e24154d0da6ea95a3a91
2025-09-18Revert "Update Maxim's email address."Maxim Cournoyer
This reverts commit d0d87a744d724b7e7d5ac013c586039652087bb3. Oops! This caused a world rebuild. Change-Id: I25fff644b2b61d0ee93d69b457b04c72b5b74d15
2025-09-18Update Maxim's email address.Maxim Cournoyer
The change was automated via: git grep -l maxim.cournoyer@gmail.com | xargs sed -i 's/maxim.cournoyer@gmail.com/maxim@guixotic.coop/g' * .mailmap: New entry. Change-Id: Iaa88b1e51c94159c49138fb43910badb990eb169
2025-06-16file-systems: Support UUIDs for FAT12.Quentin Vincent
* gnu/build/file-systems.scm (fat16-superblock?): Support FAT12. Change-Id: Ia14899134e02bda54b0796efb0bc1c6f89e95c0d Signed-off-by: Danny Milosavljevic <dannym@friendly-machines.com>
2024-11-11bootloader: grub: Remove hardcoded partition number for the Hurd.Janneke Nieuwenhuizen
This supports using another than the default DISK0 PART1 and using LABEL or UUID as root file-system specifier. It still defaults to DISK0 PART1 if the file-system cannot be found, i.e., lives only at the build side: A virtual machine/childhurd build. * gnu/build/file-systems.scm (%hurd-device-spec-regexp, %device-spec-regexp): New variables. (device-name->hurd-device-name, hurd-device-name->device-name, device-spec->device, device-spec->device-name): Use them in new procedures. * gnu/bootloader/grub.scm (make-grub-configuration): Use them to remove hardcoded partition number (root-index 1). Change-Id: I49fa93dacc09883dfb4d695402c5eac2e0e17286
2024-09-01file-systems: Add support for exFAT.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (%exfat-endianness): New syntax. (exfat-superblock?, exfat-bytes-per-sector-shift) (exfat-sectors-per-cluster-shift, exfat-root-directory-offset) (exfat-cluster-size, read-exfat-superblock+root-directory-cluster) (read-exfat-superblock, exfat-superblock-volume-name) (exfat-superblock-uuid, check-exfat-file-system): New procedures. (%partition-label-readers, %partition-uuid-readers): Register them. Change-Id: I08bd3147d2d67e5766c9381ae2159bc01530b814
2024-07-26file-systems: Allow specifying CIFS credentials in a file.vicvbcun
As files in the store and /etc/fstab are world readable, specifying the password in the file-system record is suboptimal. To mitigate this, `mount.cifs' supports reading `username', `password' and `domain' options from a file named by the `credentials' or `cred' option. * gnu/build/file-systems.scm (mount-file-system): Read mount options from the file specified via the `credentials' or `cred' option if specified. Change-Id: I786c5da373fc26d45fe7a876c56a8c4854d18532 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-07-20file-systems: Skip checking the cifs file-system type.Richard Sent
* gnu/build/file-systems.scm (check-file-system)[check-procedure]: Add cifs. Change-Id: I891b18f03884ed45e92ac32556fe04b3087e20dd Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-06-04file-systems: Add support for mounting CIFS file systemsRichard Sent
* gnu/build/file-systems (canonicalize-device-name): Do not attempt to resolve CIFS formatted device specifications. (mount-file-systems): Add mount-cifs nested function. * gnu/machine/ssh.scm (machine-check-file-system-availability): Skip checking for CIFS availability, similar to NFS. * guix/scripts/system.scm (check-file-system-availability): Likewise. Change-Id: I182e290eba64bbe5d1332815eb93bb68c01e0c3c Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-06-04file-systems: Add host-to-ip nested functionRichard Sent
* gnu/build/file-systems (mount-file-system): Split out getaddrinfo logic into a dedicated function, (host-to-ip) Change-Id: I522d70a10651ca79533a4fc60b96b884243a3526 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-02-19file-systems: Recognize “none” as a valid device spec.Nicolas Graves
* gnu/build/file-systems (canonicalize-device-name): Fallback to tmpfs if spec is "none". Change-Id: Ia55c715d04c7611ba8c979f23f1ad4a8ed2e75b6 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2023-02-26file-systems: Validate 'no-diratime flag.Tobias Geerinckx-Rice
This follows up on commit c0773455397746b10194bc14c7cef144f4095b65, and adds a comment to avoid this in future. * gnu/system/file-systems.scm (invalid-file-system-flags): Add 'no-diratime to the list of KNOWN-FLAGS.
2022-11-20file-systems: Always do recursive bind mounts.Ricardo Wurmus
Fixes <https://issues.guix.gnu.org/59185>. * guix/build/syscalls.scm (MS_REC): New variable. * gnu/build/file-systems.scm (mount-flags->bit-mask): Set MS_REC bit when bind-mounting.
2022-11-03file-systems: Gracefully handle EMEDIUMTYPE in 'read-partitions'.Marius Bakke
* gnu/build/file-systems.scm (ENOENT-safe): Catch EMEDIUMTYPE and warn.
2022-10-20file-systems: Support the 'no-diratime' mount flag.Ludovic Courtès
* gnu/build/file-systems.scm (mount-flags->bit-mask): Handle 'no-diratime'. * doc/guix.texi (File Systems): Document it.
2022-09-08file-systems: Open files with O_CLOEXEC.Ludovic Courtès
Since this code is run from PID 1, this ensures file descriptors to sensitive files and devices are not accidentally leaked to sub-processes. * gnu/build/file-systems.scm (call-with-input-file): New procedure. (mount-file-system): Use 'close-fdes' + 'open-fdes'.
2022-08-10gnu: system: file-systems: Add shared flag.Oleg Pykhalov
* gnu/build/file-systems.scm (mount-flags->bit-mask, mount-file-system): Handle shared flag. * gnu/system/file-systems.scm (invalid-file-system-flags): Add shared to known flags. * guix/build/syscalls.scm (MS_SHARED): New variable. * doc/guix.texi (File Systems): Document shared flag.
2022-07-01file-systems: Add 'cleanly-unmounted-ext2?'.Ludovic Courtès
* gnu/build/file-systems.scm (ext2-superblock-cleanly-unmounted?) (cleanly-unmounted-ext2?): New procedures.
2022-04-08file-systems: Invoke fsck tools with 'system*/tty'.Ludovic Courtès
This ensures those programs, if invoked by shepherd (where standard input is /dev/null), can still interact with the user if needed. * gnu/build/file-systems.scm (check-ext2-file-system) (check-bcachefs-file-system, check-btrfs-file-system): (check-fat-file-system, check-jfs-file-system): (check-f2fs-file-system, check-ntfs-file-system): (check-xfs-file-system): Use 'system*/tty' instead of 'system*'.
2022-04-08mapped-devices: Ensure 'cryptsetup open' gets a tty.Ludovic Courtès
Fixes <https://issues.guix.gnu.org/54770>. Regression introduced in 400c9ed3d779308e56038305d40cd93acb496180. Previously, for an encrypted /home (say), "cryptsetup open" would be invoked by shepherd, with /dev/null as its standard input. It would thus run in non-interactive mode and, instead of asking for a passphrase, fail with: Nothing to read on input. This change ensures it runs in interactive mode. * gnu/build/file-systems.scm (system*/console, system*/tty): New procedures. * gnu/system/mapped-devices.scm (open-luks-device): Use 'system*/tty' instead of 'system*'.
2021-11-23system: Add swap flags.Josselin Poiret
* gnu/system/file-systems.scm (swap-space)[priority, discard?]: Add them. * guix/build/syscalls.scm (SWAP_FLAG_PREFER, SWAP_FLAG_PRIO_MASK, SWAP_FLAG_PRIO_SHIFT, SWAP_FLAG_DISCARD): Add them. * gnu/build/file-systems.scm (swap-space->flags-bit-mask): Add it. * gnu/services/base.scm (swap-service-type): Use it. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2021-09-28file-systems: Prefer low-memory mode of ‘btrfs check’.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (check-btrfs-file-system): Add ‘--mode lowmem’ arguments when supported. Reported by Noisytoot on #guix.
2021-09-23file-systems: Add support for XFS.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (%xfs-endianness): New syntax. (xfs-superblock?, read-xfs-superblock, xfs-superblock-uuid) (xfs-superblock-volume-name, check-xfs-file-system): New procedures. (%partition-label-readers, %partition-uuid-readers, check-file-system): Register them. * doc/guix.texi (Keyboard Layout and Networking and Partitioning): Note XFS support.
2021-09-23file-systems: Add file system to *-SUPERBLOCK-VOLUME-NAME docstrings.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (ext2-superblock-volume-name) (bcachefs-superblock-volume-name, btrfs-superblock-volume-name) (fat32-superblock-volume-name, fat16-superblock-volume-name) (iso9660-superblock-volume-name, jfs-superblock-volume-name) (f2fs-superblock-volume-name): Mention the file system type in the docstring for consistency with the other superblock procedures.
2021-09-23gnu: Don't abuse check-btrfs-file-system to scan.Tobias Geerinckx-Rice
It was never guaranteed to be run for non-root file systems. It was for root file systems only due to a bug now fixed. * gnu/build/file-systems.scm (check-btrfs-file-system): Don't invoke ‘btrfs device scan’ here. * gnu/system/linux-initrd.scm (raw-initrd): Do so here if any btrfs file systems are present.
2021-09-23file-systems: Support forced checks & repairs.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (check-ext2-file-system) (check-bcachefs-file-system, check-btrfs-file-system) (check-fat-file-system, check-jfs-file-system, check-f2fs-file-system) (check-ntfs-file-system, check-file-system): Take and honour new FORCE? and REPAIR arguments. Update the docstring. Adjust all callers. * gnu/system/file-systems.scm <file-system>: Add new SKIP-CHECK-IF-CLEAN? and REPAIR fields. (file-system->spec, spec->file-system): Adjust accordingly. * gnu/build/linux-boot.scm (mount-root-file-system): Take new SKIP-CHECK-IF-CLEAN? and REPAIR keyword arguments. Thread them through to CHECK-FILE-SYSTEM. * doc/guix.texi (File Systems): Document both new <file-system> options.
2021-05-04file-systems: Rewrite comment.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (read-bcachefs-superblock): Make comment less damned negative.
2021-05-04file-systems: Handle abnormal ‘bcachefs fsck’ exits.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (check-bcachefs-file-system): Handle a STATUS:EXIT-VAL of #F.
2021-04-23file-systems: read-partition-{uuid,label} don't swallow ENOENT & co.Ludovic Courtès
Previously, (read-partition-uuid "/does/not/exist") would return #f. With this change, a 'system-error exception is raised as expected. * gnu/build/file-systems.scm (ENOENT-safe): Clarify docstring. (partition-field-reader): Remove use of 'ENOENT-safe'. (partition-predicate): Wrap READER in 'ENOENT-safe'.
2021-03-10file-systems: 'mount-file-system' preserves the right mount flags.Ludovic Courtès
Fixes <https://bugs.gnu.org/47007>. Reported by Jelle Licht <jlicht@fsfe.org>. Since commit dcb640f02b1f9590c3bd4301a22bf31bd60c56d4, we could end up applying the wrong mount flags because the (find ...) expression could pick the "wrong" mount point in the presence of bind mounts. * gnu/build/file-systems.scm (mount-file-system): Use 'statfs' to compute FLAGS whe FS is a bind mount.
2021-02-25file-systems: 'mount-file-system' preserves source flags for bind mounts.Ludovic Courtès
Fixes <https://bugs.gnu.org/46292>. * gnu/build/file-systems.scm (mount-file-system): If FS is a bind mount, add its original mount flags to FLAGS.
2020-12-06file-systems: Fix ‘bcachefs fsck’ exit value logic.Tobias Geerinckx-Rice
Bit 1 means the target device was mounted read-only whilst checking. This should never happen in an initrd context but is not an error. * gnu/build/file-systems.scm (check-bcachefs-file-system): Ignore status bits that don't signal an error. Remove the 'reboot-required case.
2020-11-07file-systems: Add support for bcachefs.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (%bcachefs-endianness): New syntax. (bcachefs-superblock?, read-bcachefs-superblock) (bcachefs-superblock-external-uuid, bcachefs-superblock-volume-name) (check-bcachefs-file-system): New procedures. (%partition-label-readers, %partition-uuid-readers, check-file-system): Register them.
2020-10-30file-systems: Allow swap space lookup by UUID/label.Ludovic Courtès
* gnu/build/file-systems.scm (%linux-swap-magic, %page-size): New variables. (linux-swap-superblock?, read-linux-swap-superblock) (linux-swap-superblock-uuid, linux-swap-superblock-volume-name): New procedures. (%partition-label-readers, %partition-uuid-readers): Add them.
2020-09-07linux-boot: Handle nfs-root device strings.Stefan
* gnu/build/linux-boot.scm (device-string->file-system-device): Support nfs-root "device" strings. * gnu/build/file-systems.scm (canonicalize-device-spec): Support nfs-root "device" strings. * gnu/machine/ssh.scm (machine-check-file-system-availability): Avoid checking of NFS file systems. * gnu/system.scm (read-boot-parameters, device-sexp->device): Support nfs-root "device" strings. Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
2020-07-31file-system: Add mount-may-fail? option.Mathieu Othacehe
* gnu/system/file-systems.scm (<file-system>): Add a mount-may-fail? field. (file-system->spec): adapt accordingly, (spec->file-system): ditto. * gnu/build/file-systems.scm (mount-file-system): If 'system-error is raised and mount-may-fail? is true, ignore it. Otherwise, re-raise the exception. Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
2020-07-26file-systems: Add NTFS support.Mathieu Othacehe
* gnu/system/uuid.scm (%ntfs-endianness): New macro, (ntfs-uuid->string): new procedure, (%ntfs-endianness): new variable, (string->ntfs-uuid): new exported procedure, (%uuid-parsers): add NTFS support, (%uuid-printers): add NTFS support. * gnu/build/file-systems.scm (%ntfs-endianness): New macro, (ntfs-superblock?, read-ntfs-superblock, ntfs-superblock-uuid, check-ntfs-file-system): new procedure, (%partition-uuid-readers): add NTFS support, (check-file-system): add NTFS support.
2020-05-20linux-boot: Refactor boot-system.Maxim Cournoyer
The --root option can now be omitted, and inferred from the root file system declaration instead. * gnu/build/file-systems.scm (canonicalize-device-spec): Extend to support NFS directly, and... * gnu/build/linux-boot.scm (boot-system): ...remove NFS special casing from here. Remove nested definitions for root-fs-type, root-fs-flags and root-fs-options, and bind those inside the let* instead. Make "--root" take precedence over the device field string representation of the root file system. * doc/guix.texi (Initial RAM Disk): Document that "--root" can be left unspecified.
2020-05-03file-systems: Fix UTF-16 handling in initrd.Danny Milosavljevic
Follow-up to f73f4b3a2d7a313a6cb1667bd69205ea4b09f57c. * gnu/build/file-systems.scm (bytevector->u16-list): New procedure. (utf16->string): New procedure.
2020-05-03file-systems: Fix F2FS volume name accessor.Danny Milosavljevic
Follow-up to 23b37c3d40d497cc6f07437ab26ab10e60fb6e09. * gnu/build/file-systems.scm (bytevector-utf16-length): New procedure. (null-terminated-utf16->string): New procedure. (f2fs-superblock-volume-name): Use it.
2020-05-02file-systems: Add support for F2FS.raingloom
* gnu/build/file-systems.scm (%f2fs-endianness): New syntax. (f2fs-superblock?, read-f2fs-superblock, f2fs-superblock-uuid) (f2fs-superblock-volume-name, check-f2fs-file-system): New procedures. (%partition-label-readers, %partition-uuid-readers, check-file-system): Register them. Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
2020-03-02build: file-systems: Do not warn about file system check for NFS.Maxim Cournoyer
* gnu/build/file-systems.scm (check-file-system): Define a dummy checker procedure for NFS that always passes to prevent a warning from being emitted.
2020-01-05file-systems: Handle LUKS2 header.David Trudgian
* gnu/build/file-systems.scm (luks-superblock?): Handle LUKS2 header. Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
2020-01-03file-systems: Add support for JFS.Tobias Geerinckx-Rice
* gnu/build/file-systems.scm (%jfs-endianness): New syntax. (jfs-superblock?, read-jfs-superblock, jfs-superblock-uuid) (jfs-superblock-volume-name, check-jfs-file-system): New procedures. (%partition-label-readers, %partition-uuid-readers, check-file-system): Register them.
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