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kernel_optimize_test/fs/autofs/Makefile

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autofs: create autofs Kconfig and Makefile Create Makefile and Kconfig for autofs module. [raven@themaw.net: make autofs4 Kconfig depend on AUTOFS_FS] Link: http://lkml.kernel.org/r/152687649097.8263.7046086367407522029.stgit@pluto.themaw.net Link: http://lkml.kernel.org/r/152626705591.28589.356365986974038383.stgit@pluto.themaw.net Signed-off-by: Ian Kent <raven@themaw.net> Tested-by: Randy Dunlap <rdunlap@infradead.org> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-08 08:11:31 +08:00
#
# Makefile for the linux autofs-filesystem routines.
#
autofs: rename 'autofs' module back to 'autofs4' It turns out that systemd has a bug: it wants to load the autofs module early because of some initialization ordering with udev, and it doesn't do that correctly. Everywhere else it does the proper "look up module name" that does the proper alias resolution, but in that early code, it just uses a hardcoded "autofs4" for the module name. The result of that is that as of commit a2225d931f75 ("autofs: remove left-over autofs4 stubs"), you get systemd[1]: Failed to insert module 'autofs4': No such file or directory in the system logs, and a lack of module loading. All this despite the fact that we had very clearly marked 'autofs4' as an alias for this module. What's so ridiculous about this is that literally everything else does the module alias handling correctly, including really old versions of systemd (that just used 'modprobe' to do this), and even all the other systemd module loading code. Only that special systemd early module load code is broken, hardcoding the module names for not just 'autofs4', but also "ipv6", "unix", "ip_tables" and "virtio_rng". Very annoying. Instead of creating an _additional_ separate compatibility 'autofs4' module, just rely on the fact that everybody else gets this right, and just call the module 'autofs4' for compatibility reasons, with 'autofs' as the alias name. That will allow the systemd people to fix their bugs, adding the proper alias handling, and maybe even fix the name of the module to be just "autofs" (so that they can _test_ the alias handling). And eventually, we can revert this silly compatibility hack. See also https://github.com/systemd/systemd/issues/9501 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902946 for the systemd bug reports upstream and in the Debian bug tracker respectively. Fixes: a2225d931f75 ("autofs: remove left-over autofs4 stubs") Reported-by: Ben Hutchings <ben@decadent.org.uk> Reported-by: Michael Biebl <biebl@debian.org> Cc: Ian Kent <raven@themaw.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-05 09:17:51 +08:00
obj-$(CONFIG_AUTOFS_FS) += autofs4.o
autofs: create autofs Kconfig and Makefile Create Makefile and Kconfig for autofs module. [raven@themaw.net: make autofs4 Kconfig depend on AUTOFS_FS] Link: http://lkml.kernel.org/r/152687649097.8263.7046086367407522029.stgit@pluto.themaw.net Link: http://lkml.kernel.org/r/152626705591.28589.356365986974038383.stgit@pluto.themaw.net Signed-off-by: Ian Kent <raven@themaw.net> Tested-by: Randy Dunlap <rdunlap@infradead.org> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-08 08:11:31 +08:00
autofs: rename 'autofs' module back to 'autofs4' It turns out that systemd has a bug: it wants to load the autofs module early because of some initialization ordering with udev, and it doesn't do that correctly. Everywhere else it does the proper "look up module name" that does the proper alias resolution, but in that early code, it just uses a hardcoded "autofs4" for the module name. The result of that is that as of commit a2225d931f75 ("autofs: remove left-over autofs4 stubs"), you get systemd[1]: Failed to insert module 'autofs4': No such file or directory in the system logs, and a lack of module loading. All this despite the fact that we had very clearly marked 'autofs4' as an alias for this module. What's so ridiculous about this is that literally everything else does the module alias handling correctly, including really old versions of systemd (that just used 'modprobe' to do this), and even all the other systemd module loading code. Only that special systemd early module load code is broken, hardcoding the module names for not just 'autofs4', but also "ipv6", "unix", "ip_tables" and "virtio_rng". Very annoying. Instead of creating an _additional_ separate compatibility 'autofs4' module, just rely on the fact that everybody else gets this right, and just call the module 'autofs4' for compatibility reasons, with 'autofs' as the alias name. That will allow the systemd people to fix their bugs, adding the proper alias handling, and maybe even fix the name of the module to be just "autofs" (so that they can _test_ the alias handling). And eventually, we can revert this silly compatibility hack. See also https://github.com/systemd/systemd/issues/9501 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902946 for the systemd bug reports upstream and in the Debian bug tracker respectively. Fixes: a2225d931f75 ("autofs: remove left-over autofs4 stubs") Reported-by: Ben Hutchings <ben@decadent.org.uk> Reported-by: Michael Biebl <biebl@debian.org> Cc: Ian Kent <raven@themaw.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-05 09:17:51 +08:00
autofs4-objs := init.o inode.o root.o symlink.o waitq.o expire.o dev-ioctl.o
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