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io_uring: remove __io_file_supports_nowait
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>
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@ -1766,19 +1766,6 @@ static void io_iopoll_req_issued(struct io_kiocb *req, unsigned int issue_flags)
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}
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}
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/*
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* If we tracked the file through the SCM inflight mechanism, we could support
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* any file. For now, just ensure that anything potentially problematic is done
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* inline.
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*/
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static bool __io_file_supports_nowait(struct file *file, umode_t mode)
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{
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/* any ->read/write should understand O_NONBLOCK */
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if (file->f_flags & O_NONBLOCK)
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return true;
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return file->f_mode & FMODE_NOWAIT;
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}
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/*
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* If we tracked the file through the SCM inflight mechanism, we could support
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* any file. For now, just ensure that anything potentially problematic is done
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@ -1791,7 +1778,7 @@ unsigned int io_file_get_flags(struct file *file)
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if (S_ISREG(mode))
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res |= FFS_ISREG;
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if (__io_file_supports_nowait(file, mode))
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if ((file->f_flags & O_NONBLOCK) || (file->f_mode & FMODE_NOWAIT))
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res |= FFS_NOWAIT;
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return res;
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}
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