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Andrew Morton wrote: >Andrea Arcangeli <andrea@suse.de> wrote: > > >>BTW, one thing that should definitely do readhaead and it's >>not doing that (at least in 2.4) is the readdir path, again to generate >>big commands, no matter the seeks. It was lost with the directory in >>pagecache. >> >> > >Yes. But ext3 is still doing directory readahead, and I have never >noticed it gaining any particular benefit over ext2 from it. > >And neither fs performs inode table readahead. >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > > > > reiser4 does directory readahead. It gets a lot of gain from it. -- Hans - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org 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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