svn commit: r196210 - in stable/8/sys: . amd64/include/xen
cddl/contrib/opensolaris contrib/dev/acpica contrib/pf
dev/ata dev/cxgb dev/sound/usb dev/usb dev/usb/controller
dev/usb/input dev/usb/mis...
Konstantin Belousov
kib at FreeBSD.org
Fri Aug 14 11:22:10 UTC 2009
Author: kib
Date: Fri Aug 14 11:22:09 2009
New Revision: 196210
URL: http://svn.freebsd.org/changeset/base/196210
Log:
MFC r196206:
Take the number of allocated freeblks into consideration for
softdep_slowdown(), to prevent kernel memory exhaustioni on
mass-truncation.
Approved by: re (rwatson)
Modified:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/ata/ (props changed)
stable/8/sys/dev/ata/ata-usb.c (props changed)
stable/8/sys/dev/cxgb/ (props changed)
stable/8/sys/dev/sound/usb/uaudio.c (props changed)
stable/8/sys/dev/sound/usb/uaudio.h (props changed)
stable/8/sys/dev/sound/usb/uaudio_pcm.c (props changed)
stable/8/sys/dev/sound/usb/uaudioreg.h (props changed)
stable/8/sys/dev/usb/controller/at91dci.c (props changed)
stable/8/sys/dev/usb/controller/at91dci.h (props changed)
stable/8/sys/dev/usb/controller/at91dci_atmelarm.c (props changed)
stable/8/sys/dev/usb/controller/atmegadci.c (props changed)
stable/8/sys/dev/usb/controller/atmegadci.h (props changed)
stable/8/sys/dev/usb/controller/atmegadci_atmelarm.c (props changed)
stable/8/sys/dev/usb/controller/ehci.c (props changed)
stable/8/sys/dev/usb/controller/ehci.h (props changed)
stable/8/sys/dev/usb/controller/ehci_ixp4xx.c (props changed)
stable/8/sys/dev/usb/controller/ehci_mbus.c (props changed)
stable/8/sys/dev/usb/controller/ehci_pci.c (props changed)
stable/8/sys/dev/usb/controller/musb_otg.c (props changed)
stable/8/sys/dev/usb/controller/musb_otg.h (props changed)
stable/8/sys/dev/usb/controller/musb_otg_atmelarm.c (props changed)
stable/8/sys/dev/usb/controller/ohci.c (props changed)
stable/8/sys/dev/usb/controller/ohci.h (props changed)
stable/8/sys/dev/usb/controller/ohci_atmelarm.c (props changed)
stable/8/sys/dev/usb/controller/ohci_pci.c (props changed)
stable/8/sys/dev/usb/controller/uhci.c (props changed)
stable/8/sys/dev/usb/controller/uhci.h (props changed)
stable/8/sys/dev/usb/controller/uhci_pci.c (props changed)
stable/8/sys/dev/usb/controller/usb_controller.c (props changed)
stable/8/sys/dev/usb/controller/uss820dci.c (props changed)
stable/8/sys/dev/usb/controller/uss820dci.h (props changed)
stable/8/sys/dev/usb/controller/uss820dci_atmelarm.c (props changed)
stable/8/sys/dev/usb/input/uhid.c (props changed)
stable/8/sys/dev/usb/input/ukbd.c (props changed)
stable/8/sys/dev/usb/input/ums.c (props changed)
stable/8/sys/dev/usb/input/usb_rdesc.h (props changed)
stable/8/sys/dev/usb/misc/udbp.c (props changed)
stable/8/sys/dev/usb/misc/udbp.h (props changed)
stable/8/sys/dev/usb/misc/ufm.c (props changed)
stable/8/sys/dev/usb/net/if_aue.c (props changed)
stable/8/sys/dev/usb/net/if_auereg.h (props changed)
stable/8/sys/dev/usb/net/if_axe.c (props changed)
stable/8/sys/dev/usb/net/if_axereg.h (props changed)
stable/8/sys/dev/usb/net/if_cdce.c (props changed)
stable/8/sys/dev/usb/net/if_cdcereg.h (props changed)
stable/8/sys/dev/usb/net/if_cue.c (props changed)
stable/8/sys/dev/usb/net/if_cuereg.h (props changed)
stable/8/sys/dev/usb/net/if_kue.c (props changed)
stable/8/sys/dev/usb/net/if_kuefw.h (props changed)
stable/8/sys/dev/usb/net/if_kuereg.h (props changed)
stable/8/sys/dev/usb/net/if_rue.c (props changed)
stable/8/sys/dev/usb/net/if_ruereg.h (props changed)
stable/8/sys/dev/usb/net/if_udav.c (props changed)
stable/8/sys/dev/usb/net/if_udavreg.h (props changed)
stable/8/sys/dev/usb/net/usb_ethernet.c (props changed)
stable/8/sys/dev/usb/net/usb_ethernet.h (props changed)
stable/8/sys/dev/usb/quirk/usb_quirk.c (props changed)
stable/8/sys/dev/usb/quirk/usb_quirk.h (props changed)
stable/8/sys/dev/usb/serial/u3g.c (props changed)
stable/8/sys/dev/usb/serial/uark.c (props changed)
stable/8/sys/dev/usb/serial/ubsa.c (props changed)
stable/8/sys/dev/usb/serial/ubser.c (props changed)
stable/8/sys/dev/usb/serial/uchcom.c (props changed)
stable/8/sys/dev/usb/serial/ucycom.c (props changed)
stable/8/sys/dev/usb/serial/ufoma.c (props changed)
stable/8/sys/dev/usb/serial/uftdi.c (props changed)
stable/8/sys/dev/usb/serial/uftdi_reg.h (props changed)
stable/8/sys/dev/usb/serial/ugensa.c (props changed)
stable/8/sys/dev/usb/serial/uipaq.c (props changed)
stable/8/sys/dev/usb/serial/ulpt.c (props changed)
stable/8/sys/dev/usb/serial/umct.c (props changed)
stable/8/sys/dev/usb/serial/umodem.c (props changed)
stable/8/sys/dev/usb/serial/umoscom.c (props changed)
stable/8/sys/dev/usb/serial/uplcom.c (props changed)
stable/8/sys/dev/usb/serial/usb_serial.c (props changed)
stable/8/sys/dev/usb/serial/usb_serial.h (props changed)
stable/8/sys/dev/usb/serial/uslcom.c (props changed)
stable/8/sys/dev/usb/serial/uvisor.c (props changed)
stable/8/sys/dev/usb/serial/uvscom.c (props changed)
stable/8/sys/dev/usb/storage/rio500_usb.h (props changed)
stable/8/sys/dev/usb/storage/umass.c (props changed)
stable/8/sys/dev/usb/storage/urio.c (props changed)
stable/8/sys/dev/usb/storage/ustorage_fs.c (props changed)
stable/8/sys/dev/usb/template/usb_template.c (props changed)
stable/8/sys/dev/usb/template/usb_template.h (props changed)
stable/8/sys/dev/usb/template/usb_template_cdce.c (props changed)
stable/8/sys/dev/usb/template/usb_template_msc.c (props changed)
stable/8/sys/dev/usb/template/usb_template_mtp.c (props changed)
stable/8/sys/dev/usb/ufm_ioctl.h (props changed)
stable/8/sys/dev/usb/usb.h (props changed)
stable/8/sys/dev/usb/usb_bus.h (props changed)
stable/8/sys/dev/usb/usb_busdma.c (props changed)
stable/8/sys/dev/usb/usb_busdma.h (props changed)
stable/8/sys/dev/usb/usb_cdc.h (props changed)
stable/8/sys/dev/usb/usb_compat_linux.c (props changed)
stable/8/sys/dev/usb/usb_compat_linux.h (props changed)
stable/8/sys/dev/usb/usb_controller.h (props changed)
stable/8/sys/dev/usb/usb_core.c (props changed)
stable/8/sys/dev/usb/usb_core.h (props changed)
stable/8/sys/dev/usb/usb_debug.c (props changed)
stable/8/sys/dev/usb/usb_debug.h (props changed)
stable/8/sys/dev/usb/usb_dev.c (props changed)
stable/8/sys/dev/usb/usb_dev.h (props changed)
stable/8/sys/dev/usb/usb_device.c (props changed)
stable/8/sys/dev/usb/usb_device.h (props changed)
stable/8/sys/dev/usb/usb_dynamic.c (props changed)
stable/8/sys/dev/usb/usb_dynamic.h (props changed)
stable/8/sys/dev/usb/usb_endian.h (props changed)
stable/8/sys/dev/usb/usb_error.c (props changed)
stable/8/sys/dev/usb/usb_generic.c (props changed)
stable/8/sys/dev/usb/usb_generic.h (props changed)
stable/8/sys/dev/usb/usb_handle_request.c (props changed)
stable/8/sys/dev/usb/usb_hid.c (props changed)
stable/8/sys/dev/usb/usb_hub.c (props changed)
stable/8/sys/dev/usb/usb_hub.h (props changed)
stable/8/sys/dev/usb/usb_if.m (props changed)
stable/8/sys/dev/usb/usb_ioctl.h (props changed)
stable/8/sys/dev/usb/usb_lookup.c (props changed)
stable/8/sys/dev/usb/usb_mbuf.c (props changed)
stable/8/sys/dev/usb/usb_mbuf.h (props changed)
stable/8/sys/dev/usb/usb_msctest.c (props changed)
stable/8/sys/dev/usb/usb_msctest.h (props changed)
stable/8/sys/dev/usb/usb_parse.c (props changed)
stable/8/sys/dev/usb/usb_pci.h (props changed)
stable/8/sys/dev/usb/usb_process.c (props changed)
stable/8/sys/dev/usb/usb_process.h (props changed)
stable/8/sys/dev/usb/usb_request.c (props changed)
stable/8/sys/dev/usb/usb_request.h (props changed)
stable/8/sys/dev/usb/usb_transfer.c (props changed)
stable/8/sys/dev/usb/usb_transfer.h (props changed)
stable/8/sys/dev/usb/usb_util.c (props changed)
stable/8/sys/dev/usb/usb_util.h (props changed)
stable/8/sys/dev/usb/usbdevs (props changed)
stable/8/sys/dev/usb/usbhid.h (props changed)
stable/8/sys/dev/usb/wlan/if_rum.c (props changed)
stable/8/sys/dev/usb/wlan/if_rumfw.h (props changed)
stable/8/sys/dev/usb/wlan/if_rumreg.h (props changed)
stable/8/sys/dev/usb/wlan/if_rumvar.h (props changed)
stable/8/sys/dev/usb/wlan/if_ural.c (props changed)
stable/8/sys/dev/usb/wlan/if_uralreg.h (props changed)
stable/8/sys/dev/usb/wlan/if_uralvar.h (props changed)
stable/8/sys/dev/usb/wlan/if_zyd.c (props changed)
stable/8/sys/dev/usb/wlan/if_zydfw.h (props changed)
stable/8/sys/dev/usb/wlan/if_zydreg.h (props changed)
stable/8/sys/dev/xen/netfront/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/modules/dtrace/dtnfsclient/ (props changed)
stable/8/sys/modules/ip6_mroute_mod/ (props changed)
stable/8/sys/modules/ipmi/ipmi_linux/ (props changed)
stable/8/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c (props changed)
stable/8/sys/netgraph/bluetooth/drivers/ubt/ng_ubt_var.h (props changed)
stable/8/sys/netgraph/bluetooth/drivers/ubtbcmfw/ubtbcmfw.c (props changed)
stable/8/sys/netinet/ipfw/ip_dummynet.c (props changed)
stable/8/sys/netinet/ipfw/ip_fw2.c (props changed)
stable/8/sys/netinet/ipfw/ip_fw_nat.c (props changed)
stable/8/sys/netinet/ipfw/ip_fw_pfil.c (props changed)
stable/8/sys/netipx/spx_reass.c (props changed)
stable/8/sys/ufs/ffs/ffs_softdep.c
stable/8/sys/xen/evtchn.h (props changed)
stable/8/sys/xen/hypervisor.h (props changed)
stable/8/sys/xen/xen_intr.h (props changed)
Modified: stable/8/sys/ufs/ffs/ffs_softdep.c
==============================================================================
--- stable/8/sys/ufs/ffs/ffs_softdep.c Fri Aug 14 11:17:34 2009 (r196209)
+++ stable/8/sys/ufs/ffs/ffs_softdep.c Fri Aug 14 11:22:09 2009 (r196210)
@@ -663,6 +663,8 @@ static int req_clear_inodedeps; /* synce
static int req_clear_remove; /* syncer process flush some freeblks */
#define FLUSH_REMOVE 2
#define FLUSH_REMOVE_WAIT 3
+static long num_freeblkdep; /* number of freeblks workitems allocated */
+
/*
* runtime statistics
*/
@@ -2223,6 +2225,9 @@ softdep_setup_freeblocks(ip, length, fla
freeblks->fb_uid = ip->i_uid;
freeblks->fb_previousinum = ip->i_number;
freeblks->fb_devvp = ip->i_devvp;
+ ACQUIRE_LOCK(&lk);
+ num_freeblkdep++;
+ FREE_LOCK(&lk);
extblocks = 0;
if (fs->fs_magic == FS_UFS2_MAGIC)
extblocks = btodb(fragroundup(fs, ip->i_din2->di_extsize));
@@ -2815,6 +2820,7 @@ handle_workitem_freeblocks(freeblks, fla
ACQUIRE_LOCK(&lk);
WORKITEM_FREE(freeblks, D_FREEBLKS);
+ num_freeblkdep--;
FREE_LOCK(&lk);
}
@@ -5768,7 +5774,8 @@ softdep_slowdown(vp)
max_softdeps_hard = max_softdeps * 11 / 10;
if (num_dirrem < max_softdeps_hard / 2 &&
num_inodedep < max_softdeps_hard &&
- VFSTOUFS(vp->v_mount)->um_numindirdeps < maxindirdeps) {
+ VFSTOUFS(vp->v_mount)->um_numindirdeps < maxindirdeps &&
+ num_freeblkdep < max_softdeps_hard) {
FREE_LOCK(&lk);
return (0);
}
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