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nilfs2: clean up sketch file

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The sketch file is a file to mark checkpoints with user data.  It was
experimentally introduced in the original implementation, and now
obsolete.  The file was handled differently with regular files; the file
size got truncated when a checkpoint was created.

This stops the special treatment and will treat it as a regular file.
Most users are not affected because mkfs.nilfs2 no longer makes this file.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ryusuke Konishi
2009-04-06 19:01:56 -07:00
committed by Linus Torvalds
parent e626874685
commit 458c5b0822
5 changed files with 3 additions and 93 deletions
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Documentation/filesystems/nilfs2.txt
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@ -161,8 +161,6 @@ the following meta data files:
4) Data address translation file -- Maps virtual block numbers to usual
(DAT) block numbers. This file serves to
make on-disk blocks relocatable.
5) Sketch file (sketch) -- Keeps read-only data which can be
associated with checkpoints (optional)
The following figure shows a typical organization of the logs: