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f2a2857bb3
freebsd-nq/sys/dev
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Kirk McKusick f2a2857bb3 Add snapshots to the fast filesystem. Most of the changes support 
the gating of system calls that cause modifications to the underlying
filesystem. The gating can be enabled by any filesystem that needs
to consistently suspend operations by adding the vop_stdgetwritemount
to their set of vnops. Once gating is enabled, the function
vfs_write_suspend stops all new write operations to a filesystem,
allows any filesystem modifying system calls already in progress
to complete, then sync's the filesystem to disk and returns. The
function vfs_write_resume allows the suspended write operations to
begin again. Gating is not added by default for all filesystems as
for SMP systems it adds two extra locks to such critical kernel
paths as the write system call. Thus, gating should only be added
as needed.

Details on the use and current status of snapshots in FFS can be
found in /sys/ufs/ffs/README.snapshot so for brevity and timelyness
is not included here. Unless and until you create a snapshot file,
these changes should have no effect on your system (famous last words).
2000-07-11 22:07:57 +00:00
..
advansys Fix typo (accessable --> accessible). 2000-06-14 17:53:40 +00:00
agp Release resources properly in detach. 2000-06-10 17:53:20 +00:00
aha Fix typo (accessable --> accessible). 2000-06-14 17:53:40 +00:00
ahb Fix typo (accessable --> accessible). 2000-06-14 17:53:40 +00:00
aic Terminate aic_ids[] 2000-06-19 22:16:14 +00:00
aic7xxx Fix typo (accessable --> accessible). 2000-06-14 17:53:40 +00:00
amd Back out the previous change to the queue(3) interface. 2000-05-26 02:09:24 +00:00
amr The AMI MegaRAID's internal memory map conflicts with scatter/gather 2000-06-10 19:22:39 +00:00
an - Add suser check before SIOCSAIRONET. 2000-06-18 23:40:09 +00:00
ar Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
ata Previous commit changing SYSCTL_HANDLER_ARGS violated KNF. 2000-07-04 11:25:35 +00:00
atkbdc Manipulate with AltGR Led (really CapsLock Led) only in K_XLATE mode, because 2000-05-28 12:43:24 +00:00
awi We always provide the bpf hooks. Remove #include "bpf.h"/NBPF. 2000-06-10 07:16:14 +00:00
bktr Update to driver 2.14. Adds new Tuner types for Hauppauge WinTV cards 2000-06-28 15:09:12 +00:00
buslogic Fix typo (accessable --> accessible). 2000-06-14 17:53:40 +00:00
cardbus Sync to latest cardbusdevs file 1999-11-18 07:22:59 +00:00
ccd Move the truncation code out of vn_open and into the open system call 2000-07-04 03:34:11 +00:00
cs Move code to handle BPF and bridging for incoming Ethernet packets out 2000-05-14 02:18:43 +00:00
cy Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
dc Add support for the Accton EN1217. 2000-06-11 11:54:52 +00:00
de Use the correct name for the PCI command register (PCIR_COMMAND). Don't 2000-05-28 16:06:56 +00:00
dec Add missing $FreeBSD$ 2000-05-01 19:54:26 +00:00
dgb Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
dpt Use correct register values. This one was in aic7xxx and advansys too. 2000-05-28 15:50:40 +00:00
ed Only try to detect Linksys PCMCIA cards when we are in a pccard 2000-06-29 07:31:37 +00:00
eisa Back out the previous change to the queue(3) interface. 2000-05-26 02:09:24 +00:00
en Ahhrggg. Put the test for the compat shims AFTER the file that includes 2000-03-27 20:24:02 +00:00
ep Move code to handle BPF and bridging for incoming Ethernet packets out 2000-05-14 02:18:43 +00:00
ex Unused include: #include "ex.h" 2000-06-10 11:09:03 +00:00
fb Unused include: #include "fb.h" 2000-06-10 06:41:11 +00:00
fdc Step down a level and issue format requests with a struct bio instead 2000-05-06 07:01:47 +00:00
fe Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
fxp Implemented some optimizations which result in 14 fewer instructions in the 2000-06-19 00:58:34 +00:00
hea Remove un-needed #include's. 2000-01-17 20:49:59 +00:00
hfa Ensure that DMA mappings are freed in error situations. 2000-01-15 21:01:04 +00:00
ic Add $FreeBSD$ 2000-05-01 20:32:07 +00:00
ida Back out the previous change to the queue(3) interface. 2000-05-26 02:09:24 +00:00
ie Move code to handle BPF and bridging for incoming Ethernet packets out 2000-05-14 02:18:43 +00:00
iicbus Allow these drivers to be detached. 2000-06-16 07:20:29 +00:00
isp Oops! If we're deciding a command is now really dead, make *darned* 2000-07-05 06:44:17 +00:00
ispfw A side effect of new 12160 f/w- there is only one set whether target 2000-07-04 02:06:00 +00:00
joy Add ADS7182 as a known Joystick. 2000-01-18 08:38:35 +00:00
kbd Manipulate with AltGR Led (really CapsLock Led) only in K_XLATE mode, because 2000-05-28 12:43:24 +00:00
lmc Adjust to accomodate recent changes to the rcvdata and rcvmsg 2000-05-01 03:31:58 +00:00
lnc be sure to wipe out m_pkthdr when you set M_PKTHDR, you may see junk pointer 2000-07-04 18:43:32 +00:00
mc146818 Add missing $FreeBSD$ 2000-05-01 19:54:26 +00:00
mca Set the RF_SHAREABLE flage when we allocate an IRQ. 2000-03-13 11:43:53 +00:00
mcd Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
md Fix the "almost clone" semantics. 2000-07-04 10:06:34 +00:00
mii Added Altima Communications OUI and their AC101 10/100 2000-06-21 19:26:01 +00:00
mlx Back out the previous change to the queue(3) interface. 2000-05-26 02:09:24 +00:00
mse - `Newbus'ified the driver. 2000-03-18 15:13:30 +00:00
musycc Checkpoint commit. I can actually receive HDLC frames now. 2000-06-21 14:47:18 +00:00
null Small style change; make function names less likely to clash with 2000-07-09 12:29:24 +00:00
nulldev Small style change; make function names less likely to clash with 2000-07-09 12:29:24 +00:00
pccard Matching commits to pccard for last pcic changes. We now at least to 2000-06-18 05:28:59 +00:00
pcf Remove ~25 unneeded #include <sys/conf.h> 2000-04-19 14:58:28 +00:00
pci Nuke the useless chip driver. It gets in the way when you want to load 2000-06-09 16:00:29 +00:00
pcic Almost make loading work. This is a checkpoint. With these change we 2000-06-18 05:25:30 +00:00
pdq Uh, ya, sure this almost compiled for __bsdi__. NOT! 2000-05-21 05:33:40 +00:00
ppbus Unused include: #include "pps.h" 2000-06-10 11:14:19 +00:00
ppc Only print the diagnostic about extended I/O ports if bootverbose is true. 2000-06-25 09:20:56 +00:00
random Storing to a pointer is (effectively) atomic; no need to protect this 2000-07-11 19:37:25 +00:00
randomdev Storing to a pointer is (effectively) atomic; no need to protect this 2000-07-11 19:37:25 +00:00
ray Add attribute memory setup warnings 2000-07-11 21:31:59 +00:00
rc Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
rp - Eliminate rpread(). Call generic ttyread(). (cf rev 1.33) 2000-06-12 15:21:59 +00:00
scd Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
sf Use the correct register name. s/PCI_COMMAND_STATUS_REG/PCIR_COMMAND/ 2000-05-28 16:13:43 +00:00
si Always leave SP_DCEN on (monitor DCD). Otherwise the firmware *really* 2000-01-25 16:45:54 +00:00
sio Previous commit changing SYSCTL_HANDLER_ARGS violated KNF. 2000-07-04 11:25:35 +00:00
sk - Call mii_pollstat() after we bring up the link on a 1000baseTX card 2000-06-06 02:56:37 +00:00
smbus Remove unneeded #include <sys/kernel.h> 2000-04-29 15:36:14 +00:00
sn Move code to handle BPF and bridging for incoming Ethernet packets out 2000-05-14 02:18:43 +00:00
snp Unstaticize this driver. You can have as many snoop devices as you can 2000-04-02 00:35:37 +00:00
sound Finally merge newmidi. 2000-07-11 11:49:33 +00:00
speaker Add PnP probe methods to some common AT hardware drivers. In each case, 2000-06-23 07:44:33 +00:00
sr Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
streams Back out the previous change to the queue(3) interface. 2000-05-26 02:09:24 +00:00
sym - Various comment fixes and additions. 2000-07-02 21:26:50 +00:00
syscons Add entropy-harvesting calls. 2000-07-09 12:26:38 +00:00
tdfx Stupid me, I put the opt_tdfx.h underneath a test for TDFX_LINUX, which 2000-06-24 06:20:55 +00:00
ti use contigfree() rather than free() to free memory allocated with 2000-07-08 00:14:12 +00:00
twe Initial import of a driver for the 3ware Escalade family of ATA RAID 2000-05-24 23:35:23 +00:00
tx Added support for SMC9432BTX cards. 2000-06-21 19:19:49 +00:00
usb Properly fix world. 2000-07-06 13:23:35 +00:00
vinum start_object: Set the revive length correctly. 2000-06-07 03:34:18 +00:00
vn Add snapshots to the fast filesystem. Most of the changes support 2000-07-11 22:07:57 +00:00
vr Close PR# 19617: add support for VIA VT6102 NICs to VIA Rhine driver. 2000-07-05 21:37:21 +00:00
vx be sure to wipe out m_pkthdr when you set M_PKTHDR, you may see junk pointer 2000-07-04 18:43:32 +00:00
wi Bring the an(4) fixes to wi(4): 2000-06-19 00:17:13 +00:00
wl Mass update of isa drivers using compatability shims to use 2000-05-28 13:40:48 +00:00
xe Remove the XE_DEBUG define. It shouldn't be defined now that things 2000-07-10 16:46:21 +00:00