From owner-cvs-all  Wed Mar 12 23:31:49 2003
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Wed, 12 Mar 2003 23:31:46 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/fs/specfs spec_vnops.c src/sys/kern
         kern_physio.c vfs_bio.c src/sys/sys buf.h
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jeff        2003/03/12 23:31:46 PST

  FreeBSD src repository

  Modified files:
    sys/fs/specfs        spec_vnops.c 
    sys/kern             kern_physio.c vfs_bio.c 
    sys/sys              buf.h 
  Log:
   - Add a lock for protecting against msleep(bp, ...) wakeup(bp) races.
   - Create a new function bdone() which sets B_DONE and calls wakup(bp). This
     is suitable for use as b_iodone for buf consumers who are not going
     through the buf cache.
   - Create a new function bwait() which waits for the buf to be done at a set
     priority and with a specific wmesg.
   - Replace several cases where the above functionality was implemented
     without locking with the new functions.
  
  Revision  Changes    Path
  1.199     +2 -17     src/sys/fs/specfs/spec_vnops.c
  1.56      +5 -9      src/sys/kern/kern_physio.c
  1.378     +37 -10    src/sys/kern/vfs_bio.c
  1.149     +2 -0      src/sys/sys/buf.h

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