Dave Chinner <david@xxxxxxxxxxxxx> writes: > On Tue, Feb 19, 2013 at 01:50:55PM -0500, Waiman Long wrote: >> It was found that the Oracle database software issues a lot of call >> to the seq_path() kernel function which translates a (dentry, mnt) >> pair to an absolute path. The seq_path() function will eventually >> take the following two locks: > > Nobody should be doing reverse dentry-to-name lookups in a quantity > sufficient for it to become a performance limiting factor. What is > the Oracle DB actually using this path for? Yes calling d_path frequently is usually a bug elsewhere. Is that through /proc ? -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html