Messages in this thread | | | Subject | A question on block_prepare_write() | From | Namhyung Kim <> | Date | Sat, 23 Oct 2010 22:44:42 +0900 |
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Hello,
I see block_prepare_write() has local variable wait[2] to keep track of buffer_heads which are not up-to-date. But I'm wondering how it could be guaranteed there will be no more than 2 such buffer_heads? Is there any restriction on the usage of the function? Using MAX_BUF_PER_PAGE instead of the magic number 2 is just useless? I couldn't find any comments or documentation on this.
Any of your comments would be greatly appreciated. TIA. :-)
-- Regards, Namhyung Kim
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