On Fri, Mar 23, 2012 at 01:06:05PM -0700, Randy Dunlap wrote: > >> GFS2_FS selects DLM (if GFS2_FS_LOCKING_DLM, which is enabled). > >> GFS2_FS selects IP_SCTP if DLM_SCTP, which is not enabled and not > >> used anywhere else in the kernel tree AFAICT. > >> DLM just always selects IP_SCTP. > > > > Here's what we have now: > > > > config GFS2_FS > > tristate "GFS2 file system support" > > depends on (64BIT || LBDAF) > > select DLM if GFS2_FS_LOCKING_DLM > > select CONFIGFS_FS if GFS2_FS_LOCKING_DLM > > select SYSFS if GFS2_FS_LOCKING_DLM > > select IP_SCTP if DLM_SCTP > > select FS_POSIX_ACL > > select CRC32 > > select QUOTACTL > > > > menuconfig DLM > > tristate "Distributed Lock Manager (DLM)" > > depends on EXPERIMENTAL && INET > > depends on SYSFS && CONFIGFS_FS && (IPV6 || IPV6=n) > > select IP_SCTP > > > > Why does gfs2 Kconfig bother with SCTP at all? It seems that line should > > just be removed. I'll also remove EXPERIMENTAL. I don't understand the > > vagaries of Kconfig, so a dumb question, how could sctp_do_peeloff > > possibly be undefined if we're selecting SCTP. > > What is selecting SCTP? DLM? so GFS2 selects DLM, but selects > don't follow dependency chains. Also, the "select IP_SCTP if DLM_SCTP" > in GFS2 is meaningless since there is no DLM_SCTP.
https://lkml.org/lkml/2012/3/8/222 seems to have caused this by adding the new dependency on the sctp module without any Kconfig changes. Should that patch have added depends IP_SCTP to the dlm and gfs2?