98fff6b57c
inode's i_flag.
It's possible that after ufs_infactive() calls softdep_releasefile(),
i_nlink stays >0 for a considerable amount of time (> 60 seconds here).
During this period, any ffs allocation routines that alter di_blocks
must also account for the blocks in the filesystem's fs_pendingblocks
value.
This change fixes an eventual df/du discrepency that will happen as
the result of fs_pendingblocks being reduced to <0.
The only manifestation of this that people may recognise is the
following message on boot:
/somefs: update error: blocks -N files M
at which point the negative pending block count is adjusted to zero.
Reviewed by: tegge
MFC after: 3 weeks
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