xfs: Inode create transaction reservations
Define the log and space transaction sizes. Factor the current create log reservation macro into the two logical halves and reuse one half for the new icreate transactions. The icreate transaction is transparent to all the high level create code - the pre-calculated reservations will correctly set the reservations dependent on whether the filesystem supports the icreate transaction. Signed-off-by: NDave Chinner <david@fromorbit.com> Reviewed-by: NMark Tinguely <tinguely@sgi.com> Signed-off-by: NBen Myers <bpm@sgi.com>
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