Andreas Dilger wrote: > >If the VFS supported delayed allocation it would call into the filesystem >on a per-sys_write basis > Is it necessary for VFS to specify that it is for delayed allocation that it does it, or can it be a more generic sort of per sys-write call? >to allow the filesystem to RESERVE space for all >of the pages in the write call, and then later (under memory pressure, >page aging, or even "pull" from the fs) submit a whole batch of contiguous >pages to the fs efficiently (via ->fill_pages() or whatever). > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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- [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
- From: Hans Reiser <[email protected]>
- Re: [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
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- Re: [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
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- Re: [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
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- Re: [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
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