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* btrfs-progs: docs: update manual for mkfs --shrinkDavid Sterba2018-01-08
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: mkfs: Separate shrink from rootdirQu Wenruo2018-01-08
| | | | | | | | | | | | | Make --shrink a separate option for --rootdir, and change the default to off. The shrinking behaviour is not a commonly used feature but can be useful for creating minimal pre-filled images, in one step, without requiring to mount. Signed-off-by: Qu Wenruo <wqu@suse.com> [ update changelog and error messages ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: annual typo, clarity, & grammar review & fixupsNicholas D Steeves2018-01-03
| | | | | Signed-off-by: Nicholas D Steeves <nsteeves@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: make option -A of mkfs less visibleDavid Sterba2018-01-03
| | | | | | | The option will be removed in the future, move it to the end of the list. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: correct grammarBenjamin Peterson2017-11-14
| | | | | Signed-off-by: Benjamin Peterson <bp@benjamin.pe> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs-progs: man: nodesize must be power of 2 nowLiu Bo2017-06-30
| | | | | | | | This updates mkfs.btrfs's man page with the new limitation that nodesize must be a power of 2 as well. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: fix typo in mkfs manual pageNoah Massey2016-12-14
| | | | | Signed-off-by: Noah Massey <noah.massey@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: man mkfs: warn about RAID5/6 being experimentalAdam Borowski2016-12-14
| | | | | Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: clarify trim after mkfs -KDavid Sterba2016-12-14
| | | | | | A user question on IRC about mkfs -K and mount with discard. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: update mkfs help string and manual pageDavid Sterba2016-11-09
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: Add warning for build RAID btrfs on partions from the ↵Qu Wenruo2016-09-21
| | | | | | | | | same device Quite a common sense for any RAID-like multi-device setup, just in case. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: mkfs: Warn user for minimal RAID5/6 devices setupQu Wenruo2016-09-21
| | | | | | | | | | | For RAID5, 2 devices setup is just RAID1 with more overhead. For RAID6, 3 devices setup is RAID1 with 3 copies, not what most user want. So warn user at mkfs time for such case, and add explain in man pages. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: describe filesystem featuresDavid Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: clarify why mkfs selects single for SSDsDavid Sterba2016-05-11
| | | | | | The section raised some user questions on IRC. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: update mkfs page for dup on multidev fsDavid Sterba2016-03-30
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: fix spelling errorsAlexander Fougner2016-03-14
| | | | | Signed-off-by: Alexander Fougner <fougner89@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: doc: fix size suffix in mkfs.btrfsTsutomu Itoh2016-01-28
| | | | | | | | There is no petabyte in the explanation of the suffix of the size parameter. So, it's added. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: doc: fix typo of some documentsTsutomu Itoh2016-01-28
| | | | | | | Some typos are corrected. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: mkfs, implications of DUP on devicesDavid Sterba2016-01-04
| | | | | | We offer DUP but still depend on the hardware, to do the right thing. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: update raid table in mkfs manpageDavid Sterba2015-11-24
| | | | | | | | | | | * split copies to copies and parity and add a common header for all the raid options * add missing RAID1 * n/a were dropped Based on feedback from Duncan <1i5t5.duncan@cox.net>. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: enhance manual page for mkfsDavid Sterba2015-11-02
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs-progs: Do not force mixed block group creation unless '-M' option is ↵Chandan Rajendra2015-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | specified When creating small Btrfs filesystem instances (i.e. filesystem size <= 1GiB), mkfs.btrfs fails if both sectorsize and nodesize are specified on the command line and sectorsize != nodesize, since mixed block groups involves both data and metadata blocks sharing the same block group. This is an incorrect behavior when '-M' option isn't specified on the command line. This commit makes optional the creation of mixed block groups i.e. Mixed block groups are created only when -M option is specified on the command line. Since we now allow small filesystem instances with sectorsize != nodesize to be created, we can end up in the following situation, [root@localhost ~]# mkfs.btrfs -f -n 65536 /dev/loop0 btrfs-progs v3.19-rc2-405-g976307c See http://btrfs.wiki.kernel.org for more information. Performing full device TRIM (512.00MiB) ... Label: (null) UUID: 49fab72e-0c8b-466b-a3ca-d1bfe56475f0 Node size: 65536 Sector size: 4096 Filesystem size: 512.00MiB Block group profiles: Data: single 8.00MiB Metadata: DUP 40.00MiB System: DUP 12.00MiB SSD detected: no Incompat features: extref, skinny-metadata Number of devices: 1 Devices: ID SIZE PATH 1 512.00MiB /dev/loop0 [root@localhost ~]# mount /dev/loop0 /mnt/ mount: mount /dev/loop0 on /mnt failed: No space left on device The ENOSPC occurs during the creation of the UUID tree. This is because of things like large metadata block size, DUP mode used for metadata and global reservation consuming space. Also, large nodesize does not make sense on small filesystems, hence this should not be an issue. Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: doc: mkfs.btrfs: document -O^Adam Borowski2015-06-25
| | | | | Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: David Sterba <dsterba@suse.cz>
* btrfs-progs: mkfs: add option to make it quietDavid Sterba2015-06-06
| | | | | | | | Add option to silecne mkfs and print only errors, warnings or info on user request like features or help. Based on patch from Goffredo Baroncelli <kreijack@inwind.it> Signed-off-by: David Sterba <dsterba@suse.cz>
* btrfs-progs: Documentaion: rename to .asciidocDavid Sterba2015-04-14
A few minor benefits: * editors set highliting according to the extensions * web access to the git repository (github) renders the .asciidoc files: * we can link to them from the wiki * the files are editable via browser and such editations can be submitted for merge easily Signed-off-by: David Sterba <dsterba@suse.cz>
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