OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> writes:
> Hi,
>
> In 169ebd90131b2ffca74bb2dbe7eeacd39fb83714 commit, writeback doesn't
> __iget()/iput() anymore.
>
> This means nobody moves the inode to lru list. I.e.
>
> new_inode()
> dirty_inode()
> iput_final()
> /* keep inode without adding lru */
> flush indoes
> /* clean inode is not on lru */
>
> I noticed this situation in my FS though, I think the same bug is on all
> FSes of linus tree too, after this commit.
>
> Am I missing the something?
This seems to be reproducible by the following,
#!/bin/sh
for i in $(seq -w 1000); do
for j in $(seq -w 1000); do
for k in $(seq -w 1000); do
mkdir -p $i/$j
echo $i/$j/$k > $i/$j/$k
echo 2 > /proc/sys/vm/drop_caches
done
done
done
Some inodes never be reclaimed, and ls -l frees those inodes (stat(2)
does iget/iput).
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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