xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'io_uring-5.9-2020-10-02' of git://git.kernel.dk/linux-block

Browse Source 
Pull io_uring fixes from Jens Axboe:

 - fix for async buffered reads if read-ahead is fully disabled (Hao)

 - double poll match fix

 - ->show_fdinfo() potential ABBA deadlock complaint fix

* tag 'io_uring-5.9-2020-10-02' of git://git.kernel.dk/linux-block:
  io_uring: fix async buffered reads when readahead is disabled
  io_uring: fix potential ABBA deadlock in ->show_fdinfo()
  io_uring: always delete double poll wait entry on match
This commit is contained in:
Linus Torvalds
2020-10-02 14:38:10 -07:00
parent f016a54052 c8d317aa18
commit 702bfc891d
2 changed files with 23 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
mm/filemap.c
View File

@@ -2365,7 +2365,11 @@ readpage:
}
if (!PageUptodate(page)) {
error = lock_page_killable(page);
if (iocb->ki_flags & IOCB_WAITQ)
error = lock_page_async(page, iocb->ki_waitq);
else
error = lock_page_killable(page);
if (unlikely(error))
goto readpage_error;
if (!PageUptodate(page)) {