Messages in this thread | | | Date | Fri, 18 Jun 2004 16:15:58 +0100 | From | viro@parcelfa ... | Subject | Re: [PATCH RFC] __bd_forget should wait for inodes using the mapping |
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On Fri, Jun 18, 2004 at 10:47:11AM -0400, Chris Mason wrote: > During writeback, we need to answer the question: "are there dirty pages > attached to this inode", and the only way to answer it is via the > address space. > > If bdev inodes don't want other inodes using their address space, they > shouldn't be setting the i_mapping on other inodes. Since they are, the > bdev code needs to be aware that someone else might be using it.
Scheduled for 2.7.1; for now users of ->i_mapping (the fewer of them remain, the better) have to be aware of bdev.
And yes, ->i_mapping flips on "normal" bdev inodes will go away - we set ->f_mapping on open directly. - 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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