| commit | fbc8d4c04626e015b18cc61199f505920abb48f0 | [log] [tgz] |
|---|---|---|
| author | Nick Piggin <npiggin@kernel.dk> | Fri Jan 07 17:49:21 2011 +1100 |
| committer | Nick Piggin <npiggin@kernel.dk> | Fri Jan 07 17:50:17 2011 +1100 |
| tree | 31cd59dd54966d225ae159f41308798b2d58b8a2 | |
| parent | 5adcee1d8d32d7f305f6f5aaefdbf8f35adca177 [diff] |
config fs: avoid switching ->d_op on live dentry Switching d_op on a live dentry is racy in general, so avoid it. In this case it is a negative dentry, which is safer, but there are still concurrent ops which may be called on d_op in that case (eg. d_revalidate). So in general a filesystem may not do this. Fix configfs so as not to do this. Signed-off-by: Nick Piggin <npiggin@kernel.dk>