ext4: Use direct_IO_no_locking in ext4 dio read
Signed-off-by: Jiaying Zhang <jiayingz@google.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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@ -3474,7 +3474,14 @@ static ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb,
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}
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retry:
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ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
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if (rw == READ && ext4_should_dioread_nolock(inode))
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ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
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inode->i_sb->s_bdev, iov,
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offset, nr_segs,
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ext4_get_block, NULL);
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else
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ret = blockdev_direct_IO(rw, iocb, inode,
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inode->i_sb->s_bdev, iov,
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offset, nr_segs,
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ext4_get_block, NULL);
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if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
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