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Date: Wed, 15 Apr 2015 16:01:35 -0600 From: Jens Axboe <axboe@...com> To: <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org> Subject: [PATCH v2] direct-io: only inc/dec inode->i_dio_count for file systems Hi, A proper patch series posting of the patch to skip inode dio counts where we don't need them. Performance results and general notes in patch #1. We can take this a bit further if we want to push this truncate locking into the caller, but I'd like to keep that as a separate patch series instead. Changes since v2: - Changed flag to DIO_SKIP_DIO_COUNT. Patch 2+3 will use this for skipping the extra inc/dec for btrfs and ext4, so better rename it to something that better tells what is happening in the deep mess that is dio. - Have inode_dio_inc/dec() helpers. Again, this better tells the caller what is going on. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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