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Fix a bug in UBIFS free space fix-up reported already twice recently: 

http://lists.infradead.org/pipermail/linux-mtd/2012-May/041408.html
 http://lists.infradead.org/pipermail/linux-mtd/2012-June/042422.html
 
 and we finally have the fix. I am quite confident the fix is correct
 because I could reproduce the problem with nandsim and verify the
 fix. It was also verified by Iwo (the reporter).
 
 I am also confident that this is OK to merge the fix so late because
 this patch affects only the fixup functionality, which is not used by
 most users.
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Merge tag 'upstream-3.5-rc8' of git://git.infradead.org/linux-ubifs

Pull UBIFS free space fix-up bugfix from Artem Bityutskiy:
 "It's been reported already twice recently:

    http://lists.infradead.org/pipermail/linux-mtd/2012-May/041408.html
    http://lists.infradead.org/pipermail/linux-mtd/2012-June/042422.html

  and we finally have the fix.  I am quite confident the fix is correct
  because I could reproduce the problem with nandsim and verify the fix.
  It was also verified by Iwo (the reporter).

  I am also confident that this is OK to merge the fix so late because
  this patch affects only the fixup functionality, which is not used by
  most users."

* tag 'upstream-3.5-rc8' of git://git.infradead.org/linux-ubifs:
  UBIFS: fix a bug in empty space fix-up
hifive-unleashed-5.1
Linus Torvalds 2012-07-20 11:42:30 -07:00
parent 85efc72a02 c6727932cf
commit 1793416287
1 changed files with 6 additions and 2 deletions
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8
fs/ubifs/sb.c
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@ -718,8 +718,12 @@ static int fixup_free_space(struct ubifs_info *c)
lnum = ubifs_next_log_lnum(c, lnum);
}
/* Fixup the current log head */
err = fixup_leb(c, c->lhead_lnum, c->lhead_offs);
/*
* Fixup the log head which contains the only a CS node at the
* beginning.
*/
err = fixup_leb(c, c->lhead_lnum,
ALIGN(UBIFS_CS_NODE_SZ, c->min_io_size));
if (err)
goto out;