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nilfs2: simplify handling of active state of segments fix 

This fixes a bug of ("nilfs2: simplify handling of active state of
segments") patch.  The patch did not take account that a base index is
increased in nilfs_sufile_get_suinfo() function if requested entries
go across block boundary on sufile.

Due to this bug, the active flag sometimes appears on wrong segments
and has induced malfunction of garbage collection.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi 2009-03-30 00:50:19 +09:00
parent e7a7402c0d
commit 3efb55b496
1 changed files with 1 additions and 1 deletions
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2
fs/nilfs2/sufile.c
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@ -625,7 +625,7 @@ ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum,
si[i + j].sui_nblocks = le32_to_cpu(su->su_nblocks);
si[i + j].sui_flags = le32_to_cpu(su->su_flags) &
~(1UL << NILFS_SEGMENT_USAGE_ACTIVE);
if (nilfs_segment_is_active(nilfs, segnum + i + j))
if (nilfs_segment_is_active(nilfs, segnum + j))
si[i + j].sui_flags |=
(1UL << NILFS_SEGMENT_USAGE_ACTIVE);
}