The patch titled md: allow an md array to appear with 0 drives if it has external metadata has been added to the -mm tree. Its filename is md-allow-an-md-array-to-appear-with-0-drives-if-it-has-external-metadata.patch *** 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 ------------------------------------------------------ Subject: md: allow an md array to appear with 0 drives if it has external metadata From: NeilBrown <neilb@xxxxxxx> Signed-off-by: Neil Brown <neilb@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/md/md.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff -puN drivers/md/md.c~md-allow-an-md-array-to-appear-with-0-drives-if-it-has-external-metadata drivers/md/md.c --- a/drivers/md/md.c~md-allow-an-md-array-to-appear-with-0-drives-if-it-has-external-metadata +++ a/drivers/md/md.c @@ -4647,9 +4647,10 @@ static int md_ioctl(struct inode *inode, */ /* if we are not initialised yet, only ADD_NEW_DISK, STOP_ARRAY, * RUN_ARRAY, and GET_ and SET_BITMAP_FILE are allowed */ - if (!mddev->raid_disks && cmd != ADD_NEW_DISK && cmd != STOP_ARRAY - && cmd != RUN_ARRAY && cmd != SET_BITMAP_FILE - && cmd != GET_BITMAP_FILE) { + if ((!mddev->raid_disks && !mddev->external) + && cmd != ADD_NEW_DISK && cmd != STOP_ARRAY + && cmd != RUN_ARRAY && cmd != SET_BITMAP_FILE + && cmd != GET_BITMAP_FILE) { err = -ENODEV; goto abort_unlock; } _ Patches currently in -mm which might be from neilb@xxxxxxx are origin.patch git-nfsd.patch coding-style-cleanups-for-drivers-md-mktablesc.patch md-raid6-fix-mktablec.patch md-raid6-clean-up-the-style-of-raid6test-testc.patch md-update-md-bitmap-during-resync.patch md-update-md-bitmap-during-resync-fix.patch md-support-external-metadata-for-md-arrays.patch md-give-userspace-control-over-removing-failed-devices-when-external-metdata-in-use.patch md-allow-a-maximum-extent-to-be-set-for-resyncing.patch md-allow-devices-to-be-shared-between-md-arrays.patch md-lock-address-when-changing-attributes-of-component-devices.patch md-allow-an-md-array-to-appear-with-0-drives-if-it-has-external-metadata.patch md-get-name-for-block-device-in-sysfs.patch one-less-parameter-to-__d_path.patch d_path-kerneldoc-cleanup.patch d_path-use-struct-path-in-struct-avc_audit_data.patch d_path-make-proc_get_link-use-a-struct-path-argument.patch d_path-make-get_dcookie-use-a-struct-path-argument.patch use-struct-path-in-struct-svc_export.patch use-struct-path-in-struct-svc_export-checkpatch-fixes.patch use-struct-path-in-struct-svc_expkey.patch d_path-make-seq_path-use-a-struct-path-argument.patch d_path-make-d_path-use-a-struct-path.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