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Merge branch 'async-buffered.8' into for-5.9/io_uring

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Pull in async buffered reads branch.

* async-buffered.8:
  io_uring: support true async buffered reads, if file provides it
  mm: add kiocb_wait_page_queue_init() helper
  btrfs: flag files as supporting buffered async reads
  xfs: flag files as supporting buffered async reads
  block: flag block devices as supporting IOCB_WAITQ
  fs: add FMODE_BUF_RASYNC
  mm: support async buffered reads in generic_file_buffered_read()
  mm: add support for async page locking
  mm: abstract out wake_page_match() from wake_page_function()
  mm: allow read-ahead with IOCB_NOWAIT set
  io_uring: re-issue block requests that failed because of resources
  io_uring: catch -EIO from buffered issue request failure
  io_uring: always plug for any number of IOs
  block: provide plug based way of signaling forced no-wait semantics
This commit is contained in:
Jens Axboe 2020-06-21 20:44:36 -06:00
commit 895aa7b1a0
9 changed files with 451 additions and 87 deletions
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