Tejun Heo <tj@xxxxxxxxxx> writes: > Commit a82afdf (block: use the same failfast bits for bio and request) > moved BIO_RW_* bits around such that they match up with REQ_* bits. > Unfortunately, fs.h hard coded READ, WRITE, READA and SWRITE as 0, 1, > 2 and 3, and expected them to match with BIO_RW_* bits. READ/WRITE > didn't change but BIO_RW_AHEAD was moved to bit 4 instead of bit 1, > breaking READA and SWRITE. > > This patch updates READA and SWRITE such that they match the BIO_RW_* > bits again. A follow up patch will update the definitions to directly > use BIO_RW_* bits so that this kind of breakage won't happen again. > > Stable: The offending commit a82afdf was released with v2.6.32, so > this patch should be applied to all kernels since then but it must > _NOT_ be applied to kernels earlier than that. Would someone be so kind as to remind me how this problem manifests itself? I know I read this recently, but my memory and googling skills are both failing me. :( Cheers, Jeff -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
