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1.1 root 1: bbrreelleeaassee() -- Block-Device Routine
2:
3: #iinncclluuddee <ssyyss/bbuuff.hh>
4: vvooiidd
5: bbrreelleeaassee(_b_p)
6: BBUUFF *_b_p;
7:
8: bbrreelleeaassee() unlocks and releases the buffer pointed to by _b_p.
9:
10: A device driver should always call bbrreelleeaassee() when it no longer needs a
11: buffer obtained via a bbrreeaadd(). If a driver needs to read and modify a
12: block, the recommended sequence is for it to call bbrreeaadd(), modify the
13: block, set the BFMOD bit in the field bb_ffllaagg field, then call bbrreelleeaassee().
14:
15: _S_e_e _A_l_s_o
16: bblloocckk-ddeevviiccee rroouuttiinneess
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