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io_uring: remove __io_file_supports_nowait

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Now that this only checks O_NONBLOCK and FMODE_NOWAIT, the helper is
complete overkilļ, and the comments are confusing bordering to wrong.
Just inline the check into the caller.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230620113235.920399-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-06-20 13:32:28 +02:00 committed by Jens Axboe
parent 4826c59453
commit b9a6c9459a
1 changed files with 1 additions and 14 deletions
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15
io_uring/io_uring.c
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@ -1766,19 +1766,6 @@ static void io_iopoll_req_issued(struct io_kiocb *req, unsigned int issue_flags)
}
}
/*
* If we tracked the file through the SCM inflight mechanism, we could support
* any file. For now, just ensure that anything potentially problematic is done
* inline.
*/
static bool __io_file_supports_nowait(struct file *file, umode_t mode)
{
/* any ->read/write should understand O_NONBLOCK */
if (file->f_flags & O_NONBLOCK)
return true;
return file->f_mode & FMODE_NOWAIT;
}
/*
* If we tracked the file through the SCM inflight mechanism, we could support
* any file. For now, just ensure that anything potentially problematic is done
@ -1791,7 +1778,7 @@ unsigned int io_file_get_flags(struct file *file)
if (S_ISREG(mode))
res |= FFS_ISREG;
if (__io_file_supports_nowait(file, mode))
if ((file->f_flags & O_NONBLOCK) || (file->f_mode & FMODE_NOWAIT))
res |= FFS_NOWAIT;
return res;
}