Messages in this thread | | | From | nickpiggin@yahoo ... | Subject | Re: [PATCH] [46/48] Suspend2 2.1.9.8 for 2.6.12: 622-swapwriter.patch | Date | Fri, 8 Jul 2005 07:26:21 +1000 |
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On Fri, 8 Jul 2005 07:16 am, Nigel Cunningham wrote:
Hi,
> > > +struct io_info { > > > + struct bio * sys_struct; > > > + long block[PAGE_SIZE/512]; > > > > Aah, but for this you should use block_size(io_info->dev) instead. No > > need to mess with sector sizes. Why is this long by the way? > > PAGE_SIZE/512 is block size in bytes. > > No... it's the maximum number of blocks per page. Depending upon how > the user has set the blocksize when they created the filesystem (in the > case of filesystems), the number of blocks we use per page might be 1, > 2, 4 or 8. >
MAX_BUF_PER_PAGE
> It's long because a sector number is stored in it. >
sector_t?
Nick
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