bcachefs: Fix unmount path

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There was a long standing race in the mount/unmount code - the VFS
intends for mount/unmount synchronizatino to be handled by the list of
superblocks, but we were still holding devices open after tearing down
our superblock in the unmount path.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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Kent Overstreet 2020-09-08 18:30:32 -04:00 • committed by Kent Overstreet

parent 625104ea21

commit d5e4dcc29c

4 changed files with 104 additions and 102 deletions

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1

fs/bcachefs/bcachefs.h

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161

fs/bcachefs/fs.c

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42

fs/bcachefs/super.c

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2

fs/bcachefs/super.h

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