[PATCH v3 0/3] shmemfs stable directory offsets

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The following series is for continued discussion of the need for
and implementation of stable directory offsets for shmemfs/tmpfs.

As discussed in Vancouver, I've re-implemented this change in libfs
so that other "simple" filesystems can use it. There were a few
other suggestions made during that event that I haven't tried yet.

Changes since v2:
- Move bulk of stable offset support into fs/libfs.c
- Replace xa_find_after with xas_find_next for efficiency

Changes since v1:
- Break the single patch up into a series

Changes since RFC:
- Destroy xarray in shmem_destroy_inode() instead of free_in_core_inode()
- A few cosmetic updates

---

Chuck Lever (3):
      libfs: Add directory operations for stable offsets
      shmem: Refactor shmem_symlink()
      shmem: stable directory offsets


 fs/dcache.c            |   1 +
 fs/libfs.c             | 185 +++++++++++++++++++++++++++++++++++++++++
 include/linux/dcache.h |   1 +
 include/linux/fs.h     |   9 ++
 mm/shmem.c             |  58 +++++++++----
 5 files changed, 240 insertions(+), 14 deletions(-)

--
Chuck Lever




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