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9c61856099
This reverts
1fdbe0b184 bcachefs: Make sure c->vfs_sb is set before starting fs
switched up bch2_fs_get_tree() so that we got a superblock before
calling bch2_fs_start, so that c->vfs_sb would always be initialized
while the filesystem was active.
This turned out not to be necessary, because blk_holder_ops were
implemented using our own locking, not vfs locking.
And this had the side effect of creating a super_block and doing our
full recovery (including potentially fsck) before setting SB_BORN, which
causes things like sync calls to hang until our recovery is finished.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Linux kernel
============
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the problems which may result by upgrading your kernel.