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David Sterba 39470a52b5 btrfs-progs: docs: clarify swapfile an multi-device filesystem 
It is possible to create swapfile on a multi-device filesystem but it's
not reliable. The check that verifies that in kernel:

10698                 } else if (device != map->stripes[0].dev) {
10699                         btrfs_warn(fs_info, "swapfile must be on one device");
10700                         ret = -EINVAL;
10701                         goto out;
10702                 }

This does not count devices but rather the actual placement of the
swapfile extents, so multi-device filesystem with single profile can
create it as long as there's enough space and the allocator decides to
place it properly.

[ci skip]

Pull-request: #839
Signed-off-by: David Sterba <dsterba@suse.com>
 		2024-07-30 20:05:11 +02:00
..
_static btrfs-progs: docs: restyle the landing page 2023-12-01 00:54:27 +01:00
_templates btrfs-progs: docs: update template, more about subvolumes 2022-01-11 15:46:33 +01:00
dev btrfs-progs: do interactive fixing of some ambigous typos 2024-07-30 19:56:08 +02:00
Administration.rst btrfs-progs: docs: cross references, ioctl updates 2023-12-06 17:44:28 +01:00
Auto-repair.rst btrfs-progs: docs: updates, clarifications 2022-12-14 02:56:16 +01:00
Balance.rst btrfs-progs: docs: add balance filter examples 2023-06-09 12:44:03 +02:00
CHANGES.rst btrfs-progs: docs: distinguish Changes title 2022-08-16 15:18:10 +02:00
Checksumming.rst btrfs-progs: docs: add more chapters 2021-12-17 11:53:44 +01:00
CmdLineConventions btrfs-progs: docs: fix typos 2022-12-07 21:00:25 +01:00
CodingConventions btrfs-progs: docs: document conventions 2017-07-03 13:35:10 +02:00
Common-features.rst btrfs-progs: docs: cross references, ioctl updates 2023-12-06 17:44:28 +01:00
Compression.rst btrfs-progs: docs: add more chapters 2021-12-17 11:53:44 +01:00
Contributors.rst btrfs-progs: docs: add 6.10 kernel development statistics 2024-07-30 19:53:32 +02:00
Convert.rst btrfs-progs: docs: add more chapters (part 2) 2021-12-17 11:53:44 +01:00
Custom-ioctls.rst btrfs-progs: run codespell throughout fixing typos automagically 2024-07-30 19:56:08 +02:00
Deduplication.rst btrfs-progs: docs: typo fixups and formatting updates 2022-12-22 18:44:47 +01:00
Defragmentation.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
DocConventions.rst btrfs-progs: run codespell throughout fixing typos automagically 2024-07-30 19:56:08 +02:00
Feature-by-version.rst btrfs-progs: run codespell throughout fixing typos automagically 2024-07-30 19:56:08 +02:00
Glossary.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
Hardware.rst btrfs-progs: docs: separate chapter for hardware considerations 2022-05-17 21:12:19 +02:00
INSTALL.rst btrfs-progs: docs: link INSTALL to docs 2022-05-12 13:56:03 +02:00
Inline-files.rst btrfs-progs: docs: use command role for programs or command lines 2023-04-27 01:48:47 +02:00
Interoperability.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
Introduction.rst btrfs-progs: docs: cross references, ioctl updates 2023-12-06 17:44:28 +01:00
Kernel-by-version.rst btrfs-progs: run codespell throughout fixing typos automagically 2024-07-30 19:56:08 +02:00
Makefile.in btrfs-progs: docs: fix build due to phony contents.rst 2024-04-30 21:49:15 +02:00
Qgroups.rst btrfs-progs: docs: add more chapters (part 2) 2021-12-17 11:53:44 +01:00
Quick-start.rst btrfs-progs: docs: updates 2023-08-28 17:24:25 +02:00
Reflink.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
Resize.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
Scrub.rst btrfs-progs: docs: add more chapters (part 2) 2021-12-17 11:53:44 +01:00
Seeding-device.rst btrfs-progs: docs: add more chapters 2021-12-17 11:53:44 +01:00
Send-receive.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
Source-repositories.rst btrfs-progs: docs: update and restyle links of source repositories 2023-12-05 16:19:09 +01:00
Status.rst btrfs-progs: docs: update feature status 2024-05-13 18:29:04 +02:00
Subpage.rst btrfs-progs: docs: mkfs and sectorsize updates 2024-01-18 02:44:58 +01:00
Subvolumes.rst btrfs-progs: docs: add more chapters (part 3) 2021-12-17 15:35:10 +01:00
Swapfile.rst btrfs-progs: docs: swapfile and hibernation 2022-12-06 23:19:12 +01:00
Tree-checker.rst btrfs-progs: docs: fix sphinx code-block warnings 2024-01-10 22:49:06 +01:00
Trim.rst btrfs-progs: docs: updates 2023-08-28 17:24:25 +02:00
Volume-management.rst btrfs-progs: docs: add more chapters (part 3) 2021-12-17 15:35:10 +01:00
Zoned-mode.rst btrfs-progs: docs: add more chapters (part 3) 2021-12-17 15:35:10 +01:00
btrfs-balance.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
btrfs-check.rst btrfs-progs: check: remove --clear-ino-cache option 2024-05-02 14:02:50 +02:00
btrfs-convert.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
btrfs-device.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
btrfs-filesystem.rst btrfs-progs: docs: how to get the length of the portion used by btrfs on a device 2024-04-30 21:34:46 +02:00
btrfs-find-root.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
btrfs-image.rst btrfs-progs: docs: add warning for -s option of btrfs-image 2024-07-30 19:56:41 +02:00
btrfs-inspect-internal.rst btrfs-progs: list-chunks: update help and documentation 2024-07-30 19:53:33 +02:00
btrfs-ioctl.rst btrfs-progs: run codespell throughout fixing typos automagically 2024-07-30 19:56:08 +02:00
btrfs-man5.rst btrfs-progs: docs: update feature status 2024-04-30 21:49:15 +02:00
btrfs-map-logical.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
btrfs-property.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
btrfs-qgroup.rst btrfs-progs: clarify unlinked and deleted terminology for subvolumes 2024-05-17 18:13:18 +02:00
btrfs-quota.rst btrfs-progs: docs: document squota 2023-10-03 01:11:54 +02:00
btrfs-receive.rst btrfs-progs: docs: clarify receive --dump encoding 2024-06-24 19:19:04 +02:00
btrfs-replace.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
btrfs-rescue.rst btrfs-progs: check: remove inode cache clearing functionality 2023-12-05 17:57:04 +01:00
btrfs-restore.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
btrfs-scrub.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
btrfs-select-super.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
btrfs-send.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
btrfs-subvolume.rst Revert "btrfs-progs: subvol delete: add options to delete the qgroup" 2024-04-30 21:49:15 +02:00
btrfs.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
btrfsck.8 btrfs-progs: docs: use manual page link instead of symlink 2018-10-23 14:48:39 +02:00
btrfstune.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
ch-balance-examples.rst btrfs-progs: docs: add balance filter examples 2023-06-09 12:44:03 +02:00
ch-balance-filters.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
ch-balance-intro.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
ch-bootloaders.rst btrfs-progs: docs: fixups, references 2023-06-01 20:50:04 +02:00
ch-checksumming.rst btrfs-progs: docs: recalculate checksumming performance 2024-02-13 07:15:31 +01:00
ch-compression.rst btrfs-progs: docs: fix incorrect description about compression with O_DIRECT 2024-03-25 22:57:50 +01:00
ch-convert-intro.rst btrfs-progs: docs: clarify potential problems with convert 2024-02-20 10:52:08 +01:00
ch-file-attributes.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
ch-flexibility.rst btrfs-progs: docs: fixups, references 2023-06-01 20:50:04 +02:00
ch-fs-limits.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
ch-hardware-considerations.rst btrfs-progs: docs: update memory related problems 2024-03-25 23:33:25 +01:00
ch-mount-options.rst btrfs-progs: docs: update the rescue mount options 2024-06-24 19:20:18 +02:00
ch-quota-intro.rst btrfs-progs: docs: document squota 2023-10-03 01:11:54 +02:00
ch-scrub-intro.rst btrfs-progs: docs: correct systemd-run argument for limiting bandwith 2024-03-06 20:57:09 +01:00
ch-seeding-device.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
ch-subvolume-intro.rst btrfs-progs: docs: clarify inode numbers 2024-02-20 10:26:09 +01:00
ch-swapfile.rst btrfs-progs: docs: clarify swapfile an multi-device filesystem 2024-07-30 20:05:11 +02:00
ch-sysfs.rst btrfs-progs: docs: fixups, references 2023-06-01 20:50:04 +02:00
ch-volume-management-intro.rst btrfs-progs: docs: fix warnings and links to duplicated labels 2024-02-13 18:24:19 +01:00
ch-zoned-intro.rst btrfs-progs: docs: formatting updates 2023-07-26 14:59:10 +02:00
conf.py btrfs-progs: docs/conf.py: enable navigation_with_keys on RTD 2024-02-29 12:46:55 +01:00
fsck.btrfs.rst btrfs-progs: docs: use manref role for all manual page references 2024-02-16 09:38:16 +01:00
html-preview.sh btrfs-progs: ci: build html manual page previews if source changed 2024-07-30 19:53:32 +02:00
index.rst btrfs-progs: docs: document github PR workflow 2024-07-30 19:53:33 +02:00
man-index.rst btrfs-progs: docs: drop indices from pages 2021-11-26 00:48:24 +01:00
man-preview.sh btrfs-progs: run codespell throughout fixing typos automagically 2024-07-30 19:56:08 +02:00
mkfs.btrfs.rst btrfs-progs: docs: update feature status 2024-04-30 21:49:15 +02:00
plot-contribs.svg btrfs-progs: docs: update 6.10 contribution graphs 2024-07-30 19:53:33 +02:00
plot-patches.svg btrfs-progs: docs: update 6.10 contribution graphs 2024-07-30 19:53:33 +02:00
plot-sloc-lines.svg btrfs-progs: docs: update 6.10 contribution graphs 2024-07-30 19:53:33 +02:00
requirements.txt btrfs-progs: docs: add config file for readthedocs.io 2023-12-05 16:36:24 +01:00
trouble-index.rst btrfs-progs: docs: fix sphinx code-block warnings 2024-01-10 22:49:06 +01:00