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Merge tag 'for-5.2/io_uring-20190507' of git://git.kernel.dk/linux-block

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Pull io_uring updates from Jens Axboe:
 "Set of changes/improvements for io_uring. This contains:

   - Fix of a shadowed variable (Colin)

   - Add support for draining commands (me)

   - Add support for sync_file_range() (me)

   - Add eventfd support (me)

   - cpu_online() fix (Shenghui)

   - Removal of a redundant ->error assignment (Stefan)"

* tag 'for-5.2/io_uring-20190507' of git://git.kernel.dk/linux-block:
  io_uring: use cpu_online() to check p->sq_thread_cpu instead of cpu_possible()
  io_uring: fix shadowed variable ret return code being not checked
  req->error only used for iopoll
  io_uring: add support for eventfd notifications
  io_uring: add support for IORING_OP_SYNC_FILE_RANGE
  fs: add sync_file_range() helper
  io_uring: add support for marking commands as draining
This commit is contained in:
Linus Torvalds
2019-05-07 18:30:11 -07:00
parent 67a2422239 7889f44dd9
commit 52ae2456d6
4 changed files with 269 additions and 72 deletions
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3
include/linux/fs.h
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@@ -2789,6 +2789,9 @@ extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
int datasync);
extern int vfs_fsync(struct file *file, int datasync);
extern int sync_file_range(struct file *file, loff_t offset, loff_t nbytes,
unsigned int flags);
/*
* Sync the bytes written if this was a synchronous write. Expect ki_pos
* to already be updated for the write, and will return either the amount