Re: [RFC] pdirops: vfs patch

[Alex Tomas]

>>>>> Jan Blunck (JB) writes:

 JB> With luck you have s_pdirops_size (or 1024) different renames altering
 JB> concurrently one directory inode. Therefore you need a lock protecting
 JB> your filesystem data. This is basically the job done by i_sem. So in
 JB> my opinion you only move "The Problem" from the VFS to the lowlevel
 JB> filesystems. But then there is no need for i_sem or your
 JB> s_pdirops_sems anymore.

1) i_sem protects dcache too
2) tmpfs has no "own" data, so we can use it this way (see 2nd patch)
3) I have pdirops patch for ext3, but it needs some cleaning ...

thanks, Alex

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