Commit 9cebfe650448 for kernel

commit 9cebfe6504488198b012e746bc6b313f88b95439
Merge: ce14fe4cd756 34b5c4a6e4fb
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue Aug 25 07:59:44 2026 -0700

    Merge tag 'fuse-update-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

    Pull fuse updates from Miklos Szeredi:

     - Improve performance of the io-uring transport by introducing buffer
       pools and zero-copy (Joanne)

     - Fix lots of bugs (Baokun Li)

     - Fix io-uring initialization issues (Joanne, Bernd)

     - More prep work for large folios (Joanne)

     - Don't limit buffered read to 128k (Jim Harris)

     - Fix zeroing of page end (dirtied with mmap) on file size extension
       (Jimmy Zuber)

     - Improve performance in certain cases with wake_up_sync() when queuing
       request (Xuewen Yan)

     - Misc fixes and cleanups (Xuewen Yan)

    * tag 'fuse-update-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (35 commits)
      fuse: zero the partial EOF page when extending a file
      io_uring: Add missing include for ITER_SOURCE and ITER_DEST
      fuse: Fix the condition to enable over-io-uring
      fuse: invalidate the correct range after O_APPEND direct write
      selftests/fuse: test post-EOF page zeroing when a file is extended
      fuse: wake one waiter per freed slot when raising max_background
      fuse: use min_not_zero() in fuse_init_server_timeout()
      fuse: copy request headers via a stack buffer for io-uring
      fuse: give wakeup hints to the scheduler for synchronous requests
      fuse: check for NULL root inode in fuse_fill_super_submount
      fuse: reject a duplicate fd= mount option
      cuse: wait for pending RCU callbacks on module exit
      fuse: fix invalidate lock leak on open O_TRUNC DAX failure
      fuse: fix invalidate lock leak on setattr writeback failure
      fuse: wait for FR_FINISHED on abort_on_kill to prevent use-after-free
      fuse: make dentry_tree_work static
      docs: fuse: document io-uring buffer pool and zero-copy uapi
      fuse: add zero-copy over io-uring
      fuse: support registered buffer pools in io-uring
      fuse: add io-uring buffer pools
      ...

diff --cc drivers/block/ublk_drv.c
index 4d17ed264da1,4036eb6be056..6c5bec7da97c
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@@ -3454,9 -3448,9 +3454,9 @@@ static int ublk_ch_uring_cmd_local(stru
  			goto out;
  		io->res = result;
  		req = ublk_fill_io_cmd(io, cmd);
 -		ret = ublk_config_io_buf(ub, io, cmd, addr, &buf_idx);
 +		ublk_apply_io_buf(ub, io, cmd, addr, &auto_buf, &buf_idx);
  		if (buf_idx != UBLK_INVALID_BUF_IDX)
- 			io_buffer_unregister_bvec(cmd, buf_idx, issue_flags);
+ 			io_buffer_unregister(cmd, buf_idx, issue_flags);
  		compl = ublk_need_complete_req(ub, io);

  		if (req_op(req) == REQ_OP_ZONE_APPEND)
diff --cc tools/testing/selftests/filesystems/fuse/Makefile
index f47141484275,0c2c613af0ac..95a1ee947ca7
--- a/tools/testing/selftests/filesystems/fuse/Makefile
+++ b/tools/testing/selftests/filesystems/fuse/Makefile
@@@ -3,17 -3,13 +3,20 @@@
  CFLAGS += -Wall -O2 -g $(KHDR_INCLUDES)

  TEST_GEN_PROGS := fusectl_test
+ TEST_GEN_PROGS += write_extend_eof_test
  TEST_GEN_FILES := fuse_mnt

 +# fuse_acl_cache_test requires libfuse3; add it only when the library is present.
 +ACL_CFLAGS := $(shell pkg-config fuse3 --cflags 2>/dev/null)
 +ACL_LDLIBS := $(shell pkg-config fuse3 --libs 2>/dev/null)
 +ifneq ($(ACL_CFLAGS),)
 +TEST_GEN_PROGS += fuse_acl_cache_test
 +endif
 +
  include ../../lib.mk

+ $(OUTPUT)/write_extend_eof_test: LDLIBS += -lpthread
+
  VAR_CFLAGS := $(shell pkg-config fuse --cflags 2>/dev/null)
  ifeq ($(VAR_CFLAGS),)
  VAR_CFLAGS := -D_FILE_OFFSET_BITS=64 -I/usr/include/fuse