xfs: fix up agi unlinked list reservations

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The current AGI unlinked list addition and removal reservations do
not reflect the worst case log usage. An unlinked list removal can
log up to two on-disk inode clusters but only includes reservation
for one. An unlinked list addition logs the on-disk cluster but
includes reservation for an in-core inode.

Update the AGI unlinked list reservation helpers to calculate the
correct worst case reservation for the associated operations.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Brian Foster 2018-01-08 10:41:36 -08:00 • committed by Darrick J. Wong

parent a6f485908d

commit e8341d9f63

1 changed files with 4 additions and 3 deletions

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fs/xfs/libxfs/xfs_trans_resv.c

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