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Address space operations questions

To: kernelnewbies@xxxxxxxxxxxx
Subject: Address space operations questions
From: Martin Jambor <jamborm@xxxxxxxxx>
Date: Sat, 26 Mar 2005 05:15:19 +0100
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Reply-to: Martin Jambor <jamborm@xxxxxxxxx>
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Hi,

I have problems understanding the purpose of different entries of
struc address_space_operations:

1. What is bmap for and what is it supposed to do?

2. What is the difference between sync_page and write_page?

3. What exactly (fs independent) is the relation in between
write_page, prepare_write and commit_write?

4. What is direct_IO for?

Thak you very much for any insight,

Martin

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