Date: Thu, 25 Aug 2011 11:39:32 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r225174 - projects/zfsd/head/sys/cam/scsi Message-ID: <201108251139.p7PBdWbW002018@svn.freebsd.org>
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Author: mav Date: Thu Aug 25 11:39:32 2011 New Revision: 225174 URL: http://svn.freebsd.org/changeset/base/225174 Log: Drop the periph lock during M_WAITOK buffer allocation. Modified: projects/zfsd/head/sys/cam/scsi/scsi_enc.c Modified: projects/zfsd/head/sys/cam/scsi/scsi_enc.c ============================================================================== --- projects/zfsd/head/sys/cam/scsi/scsi_enc.c Thu Aug 25 11:02:01 2011 (r225173) +++ projects/zfsd/head/sys/cam/scsi/scsi_enc.c Thu Aug 25 11:39:32 2011 (r225174) @@ -744,8 +744,11 @@ enc_fsm_step(enc_softc_t *enc) cur_state = &enc->enc_fsm_states[enc->current_action]; buf = NULL; - if (cur_state->buf_size != 0) + if (cur_state->buf_size != 0) { + cam_periph_unlock(enc->periph); buf = malloc(cur_state->buf_size, M_SCSIENC, M_WAITOK|M_ZERO); + cam_periph_lock(enc->periph); + } error = 0; ccb = NULL;
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