Date: Mon, 24 Dec 2001 17:44:46 -0800 (PST) From: Matt Dillon <dillon@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern kern_lock.c vfs_vnops.c src/sys/sys buf.h lock.h vnode.h src/sys/ufs/ffs ffs_vfsops.c src/sys/vm vm_pageout.c src/sys/fs/hpfs hpfs_vfsops.c src/sys/fs/smbfs smbfs_node.c src/sys/miscfs/union union_subr.c src/sys/msdosfs ... Message-ID: <200112250144.fBP1ik971471@freefall.freebsd.org>
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dillon 2001/12/24 17:44:46 PST
Modified files: (Branch: RELENG_4)
sys/kern kern_lock.c vfs_vnops.c
sys/sys buf.h lock.h vnode.h
sys/ufs/ffs ffs_vfsops.c
sys/vm vm_pageout.c
sys/fs/hpfs hpfs_vfsops.c
sys/fs/smbfs smbfs_node.c
sys/miscfs/union union_subr.c
sys/msdosfs msdosfs_denode.c
sys/ntfs ntfs_vfsops.c
sys/nwfs nwfs_node.c
Log:
MFC the following:
* LK_TIMEOUT lock flag to separate lock acquisition with and without
a timeout (dillon)
* use of LK_TIMEOUT in BUF_TIMELOCK to avoid timeout race aginst
BUF_LOCK (dillon)
* use of LK_TIMEOUT in pageout vget() code to avoid deadlock (dillon)
* move vnode reclaim into its own kthread to avoid deadlocks (Yahoo)
* remove 'VXLOCK interlock avoided' messages.. they can occur
under normal operation and create a choking hazzard on the console.
* Adjust VMIGHTFREE macro used with vnode reclaim code to avoid
eating large amounts of cpu with little to show for it in certain
situations.
* Add VREF/VRELE around UFS_UPDATE() call to avoid update/reclaim
race (note: snuck in at last minute but I accidently did a partial
commit a moment ago and the tree is broken until I commit the rest
of it). This is minor and will be tested heavily.
Approved by: Release Engineers
Revision Changes Path
1.3.2.2 +2 -2 src/sys/fs/hpfs/hpfs_vfsops.c
1.2.2.2 +1 -1 src/sys/fs/smbfs/smbfs_node.c
1.31.2.3 +5 -3 src/sys/kern/kern_lock.c
1.87.2.10 +3 -2 src/sys/kern/vfs_vnops.c
1.43.2.2 +2 -2 src/sys/miscfs/union/union_subr.c
1.47.2.2 +2 -2 src/sys/msdosfs/msdosfs_denode.c
1.20.2.5 +1 -1 src/sys/ntfs/ntfs_vfsops.c
1.3.2.8 +2 -2 src/sys/nwfs/nwfs_node.c
1.88.2.7 +2 -2 src/sys/sys/buf.h
1.17.2.3 +3 -2 src/sys/sys/lock.h
1.111.2.18 +8 -3 src/sys/sys/vnode.h
1.117.2.7 +9 -1 src/sys/ufs/ffs/ffs_vfsops.c
1.151.2.11 +12 -4 src/sys/vm/vm_pageout.c
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