btrfs: fix mount/umount race

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Do *NOT* skip doomed superblocks in btrfs_test_super(); we want
sget() to wait for their shutdown to complete.  Since we don't
mutilate ->s_fs_info in ->put_super() anymore (or free what it
used to point to until the superblock is past being findable
by sget()), we can just DTRT there and report a match.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2011-11-17 01:29:09 -05:00

parent aea52e19dd

commit 6de1d09d96

1 changed files with 4 additions and 9 deletions

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fs/btrfs/super.c

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