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| author | NeilBrown <neilb@suse.de> | 2006-01-06 00:21:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:34:10 -0800 |
| commit | 83303b613d00718b07ec0a4dee7c99aa66629d96 (patch) | |
| tree | e2c7c113d2f2f69aa426c3a3a355d84089bb13ce /Documentation/md.txt | |
| parent | 6961ece46c7d02de1bb83914900608e39633787d (diff) | |
| download | lwn-83303b613d00718b07ec0a4dee7c99aa66629d96.tar.gz lwn-83303b613d00718b07ec0a4dee7c99aa66629d96.zip | |
[PATCH] md: allow available size of component devices to be set via sysfs
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/md.txt')
| -rw-r--r-- | Documentation/md.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index 866a1a887547..7b3d471bb9f0 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -250,6 +250,13 @@ Each directory contains: the device before this offset us not touched, unless it is used for storing metadata (Formats 1.1 and 1.2). + size + The amount of the device, after the offset, that can be used + for storage of data. This will normally be the same as the + component_size. This can be written while assembling an + array. If a value less than the current component_size is + written, component_size will be reduced to this value. + An active md device will also contain and entry for each active device in the array. These are named |