The patch titled md: skip all metadata update processing when using external metadata. has been added to the -mm tree. Its filename is md-skip-all-metadata-update-processing-when-using-external-metadata.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: md: skip all metadata update processing when using external metadata. From: NeilBrown <neilb@xxxxxxx> All the metadata update processing for external metadata is on in user-space or through the sysfs interfaces, so make "md_update_sb" a no-op in that case. Signed-off-by: Neil Brown <neilb@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/md/md.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN drivers/md/md.c~md-skip-all-metadata-update-processing-when-using-external-metadata drivers/md/md.c --- a/drivers/md/md.c~md-skip-all-metadata-update-processing-when-using-external-metadata +++ a/drivers/md/md.c @@ -1651,6 +1651,8 @@ static void md_update_sb(mddev_t * mddev int sync_req; int nospares = 0; + if (mddev->external) + return; repeat: spin_lock_irq(&mddev->write_lock); _ Patches currently in -mm which might be from neilb@xxxxxxx are origin.patch git-nfsd.patch md-fix-use-after-free-when-removing-rdev-via-sysfs.patch md-skip-all-metadata-update-processing-when-using-external-metadata.patch md-reinitialise-more-mddev-fields-in-do_md_stop.patch md-fix-safemode-handling-for-external-metadata.patch md-fix-up-switching-md-arrays-between-read-only-and-read-write.patch md-remove-a-stray-command-from-a-copy-and-paste-error-in-resync_start_store.patch md-prevent-duplicates-in-bind_rdev_to_array.patch md-md-raid5-rate-limit-error-printk.patch md-md-support-blocking-writes-to-an-array-on-device-failure.patch proc-introduce-proc_create_data-to-setup-de-data.patch nfsd-use-proc_create-to-setup-de-proc_fops.patch drivers-use-non-racy-method-for-proc-entries-creation-2.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html