Qu Wenruo ef11574733 btrfs-progs: mkfs: add hard link support for --rootdir ... The new hard link detection and creation support is done by maintaining an rb tree with the following members: - st_ino, st_dev This is to record the stat() report from the host fs. With this two, we can detect if it's really a hard link (st_dev determines one filesystem/subvolume, and st_ino determines the inode number inside the fs). - root This is btrfs root pointer. This a special requirement for the recent introduced "--subvol" option. As we can have the following corner case: rootdir/ |- foobar_hardlink1 |- foobar_hardlink2 |- subv/ <- To be a subvolume inside btrfs |- foobar_hardlink3 In above case, on the host fs, `subv/` directory is just a regular directory, but in the new btrfs it will be a subvolume. In that case, `foobar_hardlink3` cannot be created as a hard link, but a new inode. - st_nlink and found_nlink Records the original reported number of links, and the nlinks we created inside btrfs. This is recorded in case we created all hard links and can remove the entry early. - btrfs_ino This is the inode number inside btrfs. And since we can handle hard links safely, remove all the related warnings, and add a new note for `--subvol` option, warning about the case where we need to split hard links due to subvolume boundary. Pull-request: #873 Signed-off-by: Qu Wenruo <wqu@suse.com>		2024-09-17 17:00:03 +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: docs: add path-utils.h API docs	2024-09-17 16:47:42 +02:00
Administration.rst	btrfs-progs: docs: include sysfs to Administration	2024-07-30 20:05:11 +02:00
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
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: fi resize: warn if new size is < 256M	2024-09-17 16:19:03 +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: docs: add new encoded rw ioctls to the list	2024-07-30 20:05:11 +02:00
btrfs-man5.rst	btrfs-progs: install btrfs-ioctl manual page	2024-09-17 14:33:22 +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	btrfs-progs: subvolume delete: add new option for recursive deletion	2024-09-17 17:00:03 +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
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: fix new typos	2024-08-14 23:58:14 +02:00
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: fix new typos	2024-08-14 23:58:14 +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: add zone reclaim	2024-07-30 20:05:11 +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
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
conf.py	btrfs-progs: install btrfs-ioctl manual page	2024-09-17 14:33:22 +02:00
Contributors.rst	btrfs-progs: docs: add 6.11 kernel development statistics	2024-09-17 16:19:03 +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
fsck.btrfs.rst	btrfs-progs: docs: use manref role for all manual page references	2024-02-16 09:38:16 +01:00
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
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: move Interoperability to the first section	2024-07-30 20:05:11 +02:00
Inline-files.rst	btrfs-progs: docs: inline files vs tail packing	2024-09-17 16:47:42 +02:00
INSTALL.rst	btrfs-progs: docs: link INSTALL to docs	2022-05-12 13:56:03 +02:00
Interoperability.rst	btrfs-progs: docs: list supported fs-verity ioctls	2024-07-30 20:05:11 +02:00
Introduction.rst	btrfs-progs: docs: cross references, ioctl updates	2023-12-06 17:44:28 +01:00
Kernel-by-version.rst	btrfs-progs: docs: add heading for 6.11	2024-09-17 16:19:03 +02:00
Makefile.in	btrfs-progs: install btrfs-ioctl manual page	2024-09-17 14:33:22 +02:00
man-index.rst	btrfs-progs: install btrfs-ioctl manual page	2024-09-17 14:33:22 +02:00
man-preview.sh	btrfs-progs: run codespell throughout fixing typos automagically	2024-07-30 19:56:08 +02:00
mkfs.btrfs.rst	btrfs-progs: mkfs: add hard link support for --rootdir	2024-09-17 17:00:03 +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
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
requirements.txt	btrfs-progs: docs: add config file for readthedocs.io	2023-12-05 16:36:24 +01:00
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: clarify btrfs-send checksum	2024-08-14 23:59:47 +02:00
Source-repositories.rst	btrfs-progs: docs: update source repositories, workflows	2024-07-30 20:05:11 +02:00
Status.rst	btrfs-progs: docs: update feature status	2024-09-17 16:19:03 +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
trouble-index.rst	btrfs-progs: docs: fix sphinx code-block warnings	2024-01-10 22:49:06 +01:00
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