Hi Cyrill!
On Wed 06-06-07 21:53:51, Cyrill Gorcunov wrote:
> This patch prevents from deadlock on inode being dropped.
> The deadlock is caused by inderect call of mark_inode_dirty()
> within udf_drop_inode() but inode lock is already kept
> by the kernel. So moving code from udf_drop_inode() to
> udf_delete_inode() we save its functionality and avoid
> deadlock.
The patch is wrong. You cannot truncate the extent just in delete_inode.
That would lead to inodes with untruncated last extent on disk after
unmounting, which is forbidden in the specification. You need to truncate
the last extent whenever inode is being removed from memory or something
like that... I'm already thinking how to do it and avoid calling
mark_inode_dirty()...
Honza
--
Jan Kara <[email protected]>
SuSE CR Labs
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