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authormichaelolbrich <m.olbrich@pengutronix.de>2016-06-05 17:25:14 +0200
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-06-05 11:25:14 -0400
commit0a62f81045dd810c8f1223cccbac4d706ea2cb45 (patch)
tree5218c0d96b8173529c8778ff7bee1a4c745fad9c /src/cgtop
parent592705f2f708b313ef3e07677463fe676cdd774a (diff)
automount: handle expire_tokens when the mount unit changes its state (#3434)
This basically reverts 7b2fd9d51259f6cf350791434e640ac3519acc6c ("core: remove duplicate code in automount_update_mount()"). This was not duplicate code. The expire_tokens need to be handled as well: Send 0 == success for MOUNT_DEAD (umount successful), do nothing for MOUNT_UNMOUNTING (not yet done) and an error for everything else. Otherwise the automount logic will assume unmounting is not done and will not send any new requests for mounting. As a result, the corresponding mount unit is never mounted. Without this, automounts with TimeoutIdleSec= are broken. Once the idle timeout triggered a umount, any access to the corresponding filesystem hangs forever. Fixes #3332.
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