[PATCH v2 0/2] fuse: add no forget support

[yangyun]

FUSE_FORGET requests are not used in some cases (e.g., juicefs) but have 
an impact on the system. So add no forget support.

---

v1: 
https://lore.kernel.org/linux-fsdevel/20240726083752.302301-1-yangyun50@xxxxxxxxxx/

Changes from v1->v2:
- Still use fuse_queue_forget in patch 1 (Miklos)
- Simplify function name in patch 2 (Josef)

yangyun (2):
  fuse: move fuse_forget_link allocation inside fuse_queue_forget()
  fuse: add support for no forget requests

 fs/fuse/dev.c             | 14 +++++++--
 fs/fuse/dir.c             | 63 +++++++++------------------------------
 fs/fuse/fuse_i.h          | 34 ++++++++++++++-------
 fs/fuse/inode.c           | 43 ++++++--------------------
 fs/fuse/readdir.c         | 37 +++++------------------
 include/uapi/linux/fuse.h |  3 ++
 6 files changed, 70 insertions(+), 124 deletions(-)

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2.33.0