[PATCH v2 0/1] dcache: Translating dentry into pathname without taking rename_lock

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Change History

v1->v2:
 - Check for internal vs external dname, taking d_lock only for
   external dname for safety.
 - Replace memchr() by a byte-by-byte checking for loop.
 - Try lockless dentry to pathname conversion 3 times before falling
   back to taking the rename_lock to prevent live-lock.
 - Make code re-factoring suggested by George Spelvin.

Waiman Long (1):
  dcache: Translating dentry into pathname without taking rename_lock

 fs/dcache.c |  213 ++++++++++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 151 insertions(+), 62 deletions(-)

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