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yaml --- r: 100714 b: refs/heads/master c: 6ccc3fc h: refs/heads/master v: v3
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Adrian Bunk
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Russell King
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Jul 3, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 7e36e2f5355ab87f8946041d044b34cda01e2077 | ||
| refs/heads/master: 6ccc3fc56e4cca6aceb81376fdb5d4c3340e72d8 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| What: /sys/o2cb symlink | ||
| Date: Dec 2005 | ||
| KernelVersion: 2.6.16 | ||
| Contact: ocfs2-devel@oss.oracle.com | ||
| Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink will | ||
| be removed when new versions of ocfs2-tools which know to look | ||
| in /sys/fs/o2cb are sufficiently prevalent. Don't code new | ||
| software to look here, it should try /sys/fs/o2cb instead. | ||
| See Documentation/ABI/stable/o2cb for more information on usage. | ||
| Users: ocfs2-tools. It's sufficient to mail proposed changes to | ||
| ocfs2-devel@oss.oracle.com. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| What: /sys/fs/o2cb/ (was /sys/o2cb) | ||
| Date: Dec 2005 | ||
| KernelVersion: 2.6.16 | ||
| Contact: ocfs2-devel@oss.oracle.com | ||
| Description: Ocfs2-tools looks at 'interface-revision' for versioning | ||
| information. Each logmask/ file controls a set of debug prints | ||
| and can be written into with the strings "allow", "deny", or | ||
| "off". Reading the file returns the current state. | ||
| Users: ocfs2-tools. It's sufficient to mail proposed changes to | ||
| ocfs2-devel@oss.oracle.com. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,212 @@ | ||
| What: /sys/class/ubi/ | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| The ubi/ class sub-directory belongs to the UBI subsystem and | ||
| provides general UBI information, per-UBI device information | ||
| and per-UBI volume information. | ||
|
|
||
| What: /sys/class/ubi/version | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| This file contains version of the latest supported UBI on-media | ||
| format. Currently it is 1, and there is no plan to change this. | ||
| However, if in the future UBI needs on-flash format changes | ||
| which cannot be done in a compatible manner, a new format | ||
| version will be added. So this is a mechanism for possible | ||
| future backward-compatible (but forward-incompatible) | ||
| improvements. | ||
|
|
||
| What: /sys/class/ubiX/ | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| The /sys/class/ubi0, /sys/class/ubi1, etc directories describe | ||
| UBI devices (UBI device 0, 1, etc). They contain general UBI | ||
| device information and per UBI volume information (each UBI | ||
| device may have many UBI volumes) | ||
|
|
||
| What: /sys/class/ubi/ubiX/avail_eraseblocks | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Amount of available logical eraseblock. For example, one may | ||
| create a new UBI volume which has this amount of logical | ||
| eraseblocks. | ||
|
|
||
| What: /sys/class/ubi/ubiX/bad_peb_count | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Count of bad physical eraseblocks on the underlying MTD device. | ||
|
|
||
| What: /sys/class/ubi/ubiX/bgt_enabled | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Contains ASCII "0\n" if the UBI background thread is disabled, | ||
| and ASCII "1\n" if it is enabled. | ||
|
|
||
| What: /sys/class/ubi/ubiX/dev | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Major and minor numbers of the character device corresponding | ||
| to this UBI device (in <major>:<minor> format). | ||
|
|
||
| What: /sys/class/ubi/ubiX/eraseblock_size | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Maximum logical eraseblock size this UBI device may provide. UBI | ||
| volumes may have smaller logical eraseblock size because of their | ||
| alignment. | ||
|
|
||
| What: /sys/class/ubi/ubiX/max_ec | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Maximum physical eraseblock erase counter value. | ||
|
|
||
| What: /sys/class/ubi/ubiX/max_vol_count | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Maximum number of volumes which this UBI device may have. | ||
|
|
||
| What: /sys/class/ubi/ubiX/min_io_size | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Minimum input/output unit size. All the I/O may only be done | ||
| in fractions of the contained number. | ||
|
|
||
| What: /sys/class/ubi/ubiX/mtd_num | ||
| Date: January 2008 | ||
| KernelVersion: 2.6.25 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Number of the underlying MTD device. | ||
|
|
||
| What: /sys/class/ubi/ubiX/reserved_for_bad | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Number of physical eraseblocks reserved for bad block handling. | ||
|
|
||
| What: /sys/class/ubi/ubiX/total_eraseblocks | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Total number of good (not marked as bad) physical eraseblocks on | ||
| the underlying MTD device. | ||
|
|
||
| What: /sys/class/ubi/ubiX/volumes_count | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Count of volumes on this UBI device. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/ | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| The /sys/class/ubi/ubiX/ubiX_0/, /sys/class/ubi/ubiX/ubiX_1/, | ||
| etc directories describe UBI volumes on UBI device X (volumes | ||
| 0, 1, etc). | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/alignment | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Volume alignment - the value the logical eraseblock size of | ||
| this volume has to be aligned on. For example, 2048 means that | ||
| logical eraseblock size is multiple of 2048. In other words, | ||
| volume logical eraseblock size is UBI device logical eraseblock | ||
| size aligned to the alignment value. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/corrupted | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Contains ASCII "0\n" if the UBI volume is OK, and ASCII "1\n" | ||
| if it is corrupted (e.g., due to an interrupted volume update). | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/data_bytes | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| The amount of data this volume contains. This value makes sense | ||
| only for static volumes, and for dynamic volume it equivalent | ||
| to the total volume size in bytes. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/dev | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Major and minor numbers of the character device corresponding | ||
| to this UBI volume (in <major>:<minor> format). | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/name | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Volume name. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/reserved_ebs | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Count of physical eraseblock reserved for this volume. | ||
| Equivalent to the volume size in logical eraseblocks. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/type | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Volume type. Contains ASCII "dynamic\n" for dynamic volumes and | ||
| "static\n" for static volumes. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/upd_marker | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Contains ASCII "0\n" if the update marker is not set for this | ||
| volume, and "1\n" if it is set. The update marker is set when | ||
| volume update starts, and cleaned when it ends. So the presence | ||
| of the update marker indicates that the volume is being updated | ||
| at the moment of the update was interrupted. The later may be | ||
| checked using the "corrupted" sysfs file. | ||
|
|
||
| What: /sys/class/ubi/ubiX/ubiX_Y/usable_eb_size | ||
| Date: July 2006 | ||
| KernelVersion: 2.6.22 | ||
| Contact: Artem Bityutskiy <dedekind@infradead.org> | ||
| Description: | ||
| Logical eraseblock size of this volume. Equivalent to logical | ||
| eraseblock size of the device aligned on the volume alignment | ||
| value. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| What: /sys/bus/pci/devices/.../vpd | ||
| Date: February 2008 | ||
| Contact: Ben Hutchings <bhutchings@solarflare.com> | ||
| Description: | ||
| A file named vpd in a device directory will be a | ||
| binary file containing the Vital Product Data for the | ||
| device. It should follow the VPD format defined in | ||
| PCI Specification 2.1 or 2.2, but users should consider | ||
| that some devices may have malformatted data. If the | ||
| underlying VPD has a writable section then the | ||
| corresponding section of this file will be writable. |
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