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e7ffdf423a
freebsd-skq/sys
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Konstantin Belousov e7ffdf423a Reduce contention on the vnode interlock by not acquiring the BO_LOCK 
around the check for the BV_BKGRDINPROG in the brelse() and bqrelse().
See the comment for the explanation why it is safe.

Tested by:	pho
Submitted by:	jeff
2008-03-21 12:38:44 +00:00
..
amd64 Explicitly use spinlock_enter/exit rather than locking the icu_lock spin 2008-03-20 21:53:27 +00:00
arm add usb devices and more wlan stuff now that usb is functional 2008-03-20 17:44:58 +00:00
boot style(9) & style.Makefile(9) 2008-03-13 17:54:21 +00:00
bsm Merge OpenBSM 1.0 changes to src/sys/bsm: 2007-10-29 18:47:25 +00:00
cam Locking in the ses_ioctl handler doesn't have to be so strict because 2008-03-17 17:18:16 +00:00
cddl In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
compat o Add stub support for some new futex operations, 2008-03-20 17:03:55 +00:00
conf - Restore runq to manipulating threads directly by putting runq links and 2008-03-20 05:51:16 +00:00
contrib In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
crypto Make test00 compilable again. 2008-01-15 18:34:47 +00:00
ddb Add a /S mode to DDB "ex" command, which interprets and prints the 2008-03-07 18:09:07 +00:00
dev Unbreak the last commit. 2008-03-20 21:21:31 +00:00
fs Do not dereference cdev->si_cdevsw, use the dev_refthread() to properly 2008-03-20 16:08:42 +00:00
gdb Commit SYSINIT() ;-adding patch missed in previous pass. 2008-03-16 13:02:04 +00:00
geom - Fix a memory leak when re-discovering a gvinum configuration. 2008-03-18 08:48:51 +00:00
gnu Introduce some functions in the vnode locks namespace and in the ffs 2008-02-24 16:38:58 +00:00
i4b Spelling fix for interupt -> interrupt 2007-10-12 06:03:46 +00:00
i386 Explicitly use spinlock_enter/exit rather than locking the icu_lock spin 2008-03-20 21:53:27 +00:00
ia64 Simplify the interrupt code a bit: 2008-03-17 22:42:01 +00:00
isa Use cpu_spinwait() (i.e., "pause") when spinning on rdtsc during DELAY(). 2008-01-17 18:59:38 +00:00
kern Reduce contention on the vnode interlock by not acquiring the BO_LOCK 2008-03-21 12:38:44 +00:00
libkern Add prototype for __cmpd2(). 2008-02-23 22:40:05 +00:00
modules Update file list and Makefile after repocopying vr(4) from 2008-03-11 03:50:57 +00:00
net back out last change as Sam believes that it breaks multicast - need to revisit after following up with pyun 2008-03-20 06:19:34 +00:00
net80211 Fix adhoc mode to scan all available channels for a bss to join 2008-02-29 04:07:07 +00:00
netatalk Annotate two possible bugs in a comment: (1) we allocate and explicitly 2007-11-20 18:50:54 +00:00
netatm In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
netgraph Remove impossible (hk_peer == NULL) check from ng_address_hook(). 2008-03-16 23:12:17 +00:00
netinet Explicitate the newpacket size. 2008-03-19 11:28:13 +00:00
netinet6 Correct IPsec behaviour with a 'use' level in SP but no SA available. 2008-03-14 16:38:11 +00:00
netipsec In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
netipx Make tcpstates[] static, and make sure TCPSTATES is defined before 2007-07-30 11:06:42 +00:00
netnatm
netncp - Handle buffer lock waiters count directly in the buffer cache instead 2008-03-01 19:47:50 +00:00
netsmb Remove unused vc_tnode field from struct smb_vc. 2008-03-10 14:55:34 +00:00
nfs
nfs4client - Handle buffer lock waiters count directly in the buffer cache instead 2008-03-01 19:47:50 +00:00
nfsclient In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
nfsserver Fix a regression from the last revision - don't edit the ns_rec list while 2008-03-19 12:33:25 +00:00
opencrypto Make ftruncate a 'struct file' operation rather than a vnode operation. 2008-01-07 20:05:19 +00:00
pc98 In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
pccard
pci vr(4) was repocopied to src/sys/dev/vr. 2008-03-11 03:53:53 +00:00
powerpc Simplify the interrupt code a bit: 2008-03-17 22:42:01 +00:00
rpc Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which 2007-08-06 14:26:03 +00:00
security In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
sparc64 Oops. Use atomic_add_long() for atomic_fetchadd_long() (not atomic_add_int()) 2008-03-19 07:27:24 +00:00
sun4v Oops. Use atomic_add_long() for atomic_fetchadd_long() (not atomic_add_int()) 2008-03-19 07:27:24 +00:00
sys - Add a new td flag TDF_NEEDSUSPCHK that is set whenever a thread needs 2008-03-21 08:23:25 +00:00
tools Introduce a standalone shell script for embedding MFS image. 2008-02-05 10:46:30 +00:00
ufs Reduce the acquisition of the vnode interlock in the ffs_read() and 2008-03-21 12:33:00 +00:00
vm Do not dereference cdev->si_cdevsw, use the dev_refthread() to properly 2008-03-20 16:08:42 +00:00
Makefile o Add boot, gdb, nfsserver and opencrypto dirs to CSCOPEDIRS; sort. 2008-01-23 08:50:34 +00:00