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Stefan Hajnoczi a62a8ef9d9 virtio-fs: add virtiofs filesystem 
Add a basic file system module for virtio-fs.  This does not yet contain
shared data support between host and guest or metadata coherency speedups.
However it is already significantly faster than virtio-9p.

Design Overview
===============

With the goal of designing something with better performance and local file
system semantics, a bunch of ideas were proposed.

 - Use fuse protocol (instead of 9p) for communication between guest and
   host.  Guest kernel will be fuse client and a fuse server will run on
   host to serve the requests.

 - For data access inside guest, mmap portion of file in QEMU address space
   and guest accesses this memory using dax.  That way guest page cache is
   bypassed and there is only one copy of data (on host).  This will also
   enable mmap(MAP_SHARED) between guests.

 - For metadata coherency, there is a shared memory region which contains
   version number associated with metadata and any guest changing metadata
   updates version number and other guests refresh metadata on next access.
   This is yet to be implemented.

How virtio-fs differs from existing approaches
==============================================

The unique idea behind virtio-fs is to take advantage of the co-location of
the virtual machine and hypervisor to avoid communication (vmexits).

DAX allows file contents to be accessed without communication with the
hypervisor.  The shared memory region for metadata avoids communication in
the common case where metadata is unchanged.

By replacing expensive communication with cheaper shared memory accesses,
we expect to achieve better performance than approaches based on network
file system protocols.  In addition, this also makes it easier to achieve
local file system semantics (coherency).

These techniques are not applicable to network file system protocols since
the communications channel is bypassed by taking advantage of shared memory
on a local machine.  This is why we decided to build virtio-fs rather than
focus on 9P or NFS.

Caching Modes
=============

Like virtio-9p, different caching modes are supported which determine the
coherency level as well.  The “cache=FOO” and “writeback” options control
the level of coherence between the guest and host filesystems.

 - cache=none
   metadata, data and pathname lookup are not cached in guest.  They are
   always fetched from host and any changes are immediately pushed to host.

 - cache=always
   metadata, data and pathname lookup are cached in guest and never expire.

 - cache=auto
   metadata and pathname lookup cache expires after a configured amount of
   time (default is 1 second).  Data is cached while the file is open
   (close to open consistency).

 - writeback/no_writeback
   These options control the writeback strategy.  If writeback is disabled,
   then normal writes will immediately be synchronized with the host fs.
   If writeback is enabled, then writes may be cached in the guest until
   the file is closed or an fsync(2) performed.  This option has no effect
   on mmap-ed writes or writes going through the DAX mechanism.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2019-09-18 20:17:50 +02:00
..
android Merge 5.0-rc4 into char-misc-next 2019-01-28 08:13:52 +01:00
byteorder
caif
can
cifs
dvb media: dvb: tag deprecated DVB APIs as such 2019-06-05 10:55:30 -04:00
genwqe
hdlc
hsi
iio iio: Add modifiers for ethanol and H2 gases 2018-12-16 14:05:58 +00:00
isdn
mmc mmc: document 'Reliable Write' bit in uapi header 2018-12-17 08:26:24 +01:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-06 17:11:59 -07:00
netfilter_arp
netfilter_bridge
netfilter_ipv4
netfilter_ipv6
nfsd nfsd: un-deprecate nfsdcld 2019-04-24 09:46:34 -04:00
raid
sched sched/uclamp: Extend sched_setattr() to support utilization clamping 2019-06-24 19:23:46 +02:00
spi spi: spidev: Enable control of inter-word delays 2019-03-18 12:18:28 +00:00
sunrpc
tc_act net/sched: Introduce action ct 2019-07-09 12:11:59 -07:00
tc_ematch
usb treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
wimax
a.out.h
acct.h
adb.h
adfs_fs.h fs/adfs: correct disc record structure 2019-06-26 20:14:13 -04:00
affs_hardblocks.h
agpgart.h
aio_abi.h aio: Comment use of IOCB_FLAG_IOPRIO aio flag 2018-11-19 19:03:43 -07:00
am437x-vpfe.h
apm_bios.h
arcfb.h
arm_sdei.h
aspeed-lpc-ctrl.h
aspeed-p2a-ctrl.h drivers/misc: Add Aspeed P2A control driver 2019-04-25 19:33:34 +02:00
atalk.h
atm.h
atm_eni.h
atm_he.h
atm_idt77105.h
atm_nicstar.h
atm_tcp.h
atm_zatm.h
atmapi.h
atmarp.h
atmbr2684.h
atmclip.h
atmdev.h
atmioc.h
atmlec.h
atmmpc.h
atmppp.h
atmsap.h
atmsvc.h
audit.h audit: add saddr_fam filter field 2019-05-23 21:07:30 -04:00
auto_dev-ioctl.h
auto_fs.h autofs: add ignore mount option 2019-03-07 18:32:01 -08:00
auto_fs4.h autofs4: merge auto_fs.h and auto_fs4.h 2018-06-07 17:34:39 -07:00
auxvec.h
ax25.h
b1lli.h
batadv_packet.h batman-adv: mcast: detect, distribute and maintain multicast router presence 2019-06-27 19:25:05 +02:00
batman_adv.h batman-adv: Add multicast-to-unicast support for multiple targets 2019-03-25 10:01:13 +01:00
baycom.h
bcache.h bcache: style fix to add a blank line after declarations 2018-08-11 15:46:41 -06:00
bcm933xx_hcs.h
bfs_fs.h bfs: extra sanity checking and static inode bitmap 2019-01-04 13:13:47 -08:00
binfmts.h exec: increase BINPRM_BUF_SIZE to 256 2019-03-07 18:32:01 -08:00
blkpg.h
blktrace_api.h
blkzoned.h uapi: fix ioctl documentation 2019-01-24 11:11:42 -07:00
bpf.h sock: make cookie generation global instead of per netns 2019-08-09 13:14:46 -07:00
bpf_common.h
bpf_perf_event.h
bpfilter.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
bpqether.h
bsg.h
bt-bmc.h
btf.h bpf: btf: fix the brackets of BTF_INT_OFFSET() 2019-05-14 10:05:18 +02:00
btrfs.h btrfs: introduce new ioctl to unregister a btrfs device 2019-02-25 14:13:30 +01:00
btrfs_tree.h btrfs: add mask for all RAID1 types 2019-07-02 12:30:48 +02:00
can.h can: uapi: can.h: Fix can error class mask dir path 2018-07-27 10:40:16 +02:00
capability.h
capi.h
cciss_defs.h
cciss_ioctl.h
cdrom.h
cec-funcs.h
cec.h media: cec: add CEC_MSG_FL_RAW flag and msg_is_raw helper function 2019-05-23 05:32:40 -04:00
cgroupstats.h
chio.h
cm4000_cs.h
cn_proc.h
coda.h coda: add hinting support for partial file caching 2019-07-16 19:23:23 -07:00
coff.h
connector.h
const.h
coresight-stm.h
cramfs_fs.h
cryptouser.h crypto: user - rename err_cnt parameter 2018-12-07 14:15:00 +08:00
cuda.h
cyclades.h
cycx_cfm.h
dcbnl.h net: dcb: add DSCP to comment about priority selector types 2018-07-29 12:53:54 -07:00
dccp.h
devlink.h devlink: Introduce PCI VF port flavour and port attribute 2019-07-09 12:02:13 -07:00
dlm.h
dlm_device.h
dlm_netlink.h
dlm_plock.h
dlmconstants.h
dm-ioctl.h dm: eliminate 'split_discard_bios' flag from DM target interface 2019-02-20 23:24:55 -05:00
dm-log-userspace.h
dma-buf.h dma-buf: add DMA_BUF_SET_NAME ioctls 2019-06-14 15:00:51 +05:30
dn.h
dns_resolver.h dns: Allow the dns resolver to retrieve a server set 2018-10-04 09:40:52 -07:00
dqblk_xfs.h
edd.h
efs_fs_sb.h
elf-em.h Move EM_UNICORE to uapi/linux/elf-em.h 2019-03-20 21:11:22 -04:00
elf-fdpic.h
elf.h arm64: add ptrace regsets for ptrauth key management 2019-02-01 13:56:58 +00:00
elfcore.h
errno.h
errqueue.h errqueue.h: Include time_types.h 2019-02-14 11:51:51 -05:00
erspan.h
ethtool.h net: phy: Add support for 100BaseT1 and 1000BaseT1 2019-05-22 17:46:28 -07:00
eventpoll.h eventpoll.h: wrap casts in () properly 2018-07-15 14:03:06 +02:00
fadvise.h
falloc.h
fanotify.h fanotify: add support for create/attrib/move/delete events 2019-02-07 16:43:23 +01:00
fb.h fbdev: make FB_BACKLIGHT a tristate 2018-12-20 19:13:07 +01:00
fcntl.h vfs: syscall: Add open_tree(2) to reference or clone a mount 2019-03-20 18:49:06 -04:00
fd.h
fdreg.h
fib_rules.h
fiemap.h
filter.h
firewire-cdev.h FireWire: clean up firewire-cdev.h kernel-doc 2018-09-06 09:40:59 -06:00
firewire-constants.h
fou.h fou: Support binding FoU socket 2019-03-27 13:30:07 -07:00
fpga-dfl.h fpga: dfl: afu: add DFL_FPGA_PORT_DMA_MAP/UNMAP ioctls support 2018-07-15 13:55:47 +02:00
fs.h fs/sync.c: sync_file_range(2) may use WB_SYNC_ALL writeback 2019-05-14 09:47:50 -07:00
fsi.h fsi: scom: Major overhaul 2018-06-18 15:11:53 +10:00
fsl_hypervisor.h
fsmap.h
fuse.h fuse: reserve values for mapping protocol 2019-09-12 14:59:41 +02:00
futex.h
gameport.h
gen_stats.h net/core: Add new basic hardware counter 2018-09-24 12:18:42 -07:00
genetlink.h
gfs2_ondisk.h
gigaset_dev.h
gpio.h gpio: uapi: Grammar s/array/array of/ 2018-09-13 10:46:24 +02:00
gsmmux.h
gtp.h
hash_info.h crypto: streebog - register Streebog in hash info for IMA 2018-11-16 14:09:40 +08:00
hdlc.h
hdlcdrv.h
hdreg.h
hid.h
hiddev.h
hidraw.h
hpet.h
hsr_netlink.h
hw_breakpoint.h
hyperv.h
hysdn_if.h
i2c-dev.h
i2c.h
i2o-dev.h
i8k.h
icmp.h
icmpv6.h ipv6: Add rate limit mask for ICMPv6 messages 2019-04-18 16:58:37 -07:00
if.h
if_addr.h if_addr: add IFA_TARGET_NETNSID 2018-09-05 22:27:11 -07:00
if_addrlabel.h
if_alg.h
if_arcnet.h
if_arp.h net: if_arp: use define instead of hard-coded value 2018-09-21 19:22:32 -07:00
if_bonding.h bonding: add support for xstats and export 3ad stats 2019-01-22 12:04:14 -08:00
if_bridge.h net: bridge: add no_linklocal_learn bool option 2018-11-27 15:04:15 -08:00
if_cablemodem.h
if_eql.h
if_ether.h net: Add a define for LLDP ethertype 2019-06-05 13:04:29 -07:00
if_fc.h
if_fddi.h FDDI: defza: Add support for DEC FDDIcontroller 700 TURBOchannel adapter 2018-10-15 21:46:06 -07:00
if_frad.h
if_hippi.h
if_infiniband.h
if_link.h bonding: add an option to specify a delay between peer notifications 2019-07-04 12:30:48 -07:00
if_ltalk.h
if_macsec.h
if_packet.h packet: Fix undefined behavior in bit shift 2019-06-29 11:06:17 -07:00
if_phonet.h
if_plip.h
if_ppp.h
if_pppol2tp.h
if_pppox.h
if_slip.h
if_team.h
if_tun.h tun: Add ioctl() TUNGETDEVNETNS cmd to allow obtaining real net ns of tun device 2019-03-21 13:19:15 -07:00
if_tunnel.h iptunnel: make TUNNEL_FLAGS available in uapi 2018-12-19 15:58:01 -08:00
if_vlan.h vlan: support binding link state to vlan member bridge ports 2019-04-19 13:58:17 -07:00
if_x25.h
if_xdp.h xsk: Add getsockopt XDP_OPTIONS 2019-06-27 22:53:26 +02:00
ife.h
igmp.h bridge: Snoop Multicast Router Advertisements 2019-01-22 17:18:09 -08:00
ila.h ila: Flush netlink command to clear xlat table 2018-06-29 11:32:55 +09:00
in.h bridge: join all-snoopers multicast address 2019-01-22 17:18:08 -08:00
in6.h net: ipv6: add socket option IPV6_ROUTER_ALERT_ISOLATE 2019-03-03 21:05:10 -08:00
in_route.h
inet_diag.h inet_diag: fix reporting cgroup classid and fallback to priority 2019-02-12 13:35:57 -05:00
inotify.h inotify: Add flag IN_MASK_CREATE for inotify_add_watch() 2018-06-27 19:21:25 +02:00
input-event-codes.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-05-13 15:21:48 -07:00
input.h Input: input_event - fix the CONFIG_SPARC64 mixup 2019-01-24 00:38:39 -08:00
io_uring.h io_uring: add support for recvmsg() 2019-07-09 14:32:14 -06:00
ioctl.h
iommu.h iommu: Add padding to struct iommu_fault 2019-06-18 17:14:35 +02:00
ip.h route: add support for directed broadcast forwarding 2018-07-29 12:37:06 -07:00
ip6_tunnel.h
ip_vs.h ipvs: allow tunneling with gre encapsulation 2019-07-04 02:29:49 +02:00
ipc.h
ipmi.h
ipmi_bmc.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
ipmi_msgdefs.h
ipsec.h
ipv6.h
ipv6_route.h
ipx.h
irqnr.h
iso_fs.h
isst_if.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
ivtv.h
ivtvfb.h
jffs2.h jffs2: Remove C++ style comments from uapi header 2019-08-22 17:24:51 +02:00
joystick.h Input: stop telling users to snail-mail Vojtech 2018-07-26 17:04:37 -07:00
kcm.h
kcmp.h
kcov.h
kd.h
kdev_t.h
kernel-page-flags.h mm: convert PG_balloon to PG_offline 2019-03-05 21:07:14 -08:00
kernel.h
kernelcapi.h
kexec.h
keyboard.h kbd: complete dead keys definitions 2018-07-07 17:41:38 +02:00
keyctl.h Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
kfd_ioctl.h Revert "drm/amdkfd: New IOCTL to allocate queue GWS" 2019-08-07 10:21:38 -05:00
kvm.h Documentation: move Documentation/virtual to Documentation/virt 2019-07-24 10:52:11 +02:00
kvm_para.h KVM: X86: Yield to IPI target if necessary 2019-07-02 18:56:01 +02:00
l2tp.h l2tp: ignore L2TP_ATTR_MTU 2018-08-03 10:03:57 -07:00
libc-compat.h
lightnvm.h
limits.h linux/kernel.h: split *_MAX and *_MIN macros into <linux/limits.h> 2019-03-07 18:31:59 -08:00
lirc.h media: rc: xbox_remote: add protocol and set timeout 2019-04-22 13:02:53 -04:00
llc.h
loop.h
lp.h
lwtunnel.h
magic.h Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
major.h
map_to_7segment.h
matroxfb.h
max2175.h
mdio.h net: phy: Add generic support for 2.5GBaseT and 5GBaseT 2019-02-13 19:17:53 -05:00
media-bus-format.h media: uapi: Add MEDIA_BUS_FMT_BGR888_3X8 media bus format 2019-04-22 11:35:43 -04:00
media.h media: media.h: Fix shifting signed 32-bit value by 31 bits problem 2019-06-21 16:45:38 -04:00
mei.h mei: adjust the copyright notice in the files. 2019-03-28 02:07:54 +09:00
membarrier.h
memfd.h mm/hugetlb: add mmap() encodings for 32MB and 512MB page sizes 2018-10-05 16:32:04 -07:00
mempolicy.h
meye.h
mic_common.h
mic_ioctl.h
mii.h net: phy: Add detection of 1000BaseX link mode support 2019-06-06 13:48:51 -07:00
minix_fs.h
mman.h arch: move common mmap flags to linux/mman.h 2019-02-18 17:49:30 +01:00
mmtimer.h
module.h
mount.h vfs: syscall: Add fspick() to select a superblock for reconfiguration 2019-03-20 18:49:06 -04:00
mpls.h
mpls_iptunnel.h
mqueue.h
mroute.h ipmr: ip6mr: Create new sockopt to clear mfc cache or vifs 2019-02-21 13:05:05 -08:00
mroute6.h ipmr: ip6mr: Create new sockopt to clear mfc cache or vifs 2019-02-21 13:05:05 -08:00
msdos_fs.h fat: move MAX_FAT to fat.h and change it to inline function 2019-01-04 13:13:47 -08:00
msg.h
mtio.h
n_r3964.h
nbd-netlink.h
nbd.h nbd: Add the nbd NBD_DISCONNECT_ON_CLOSE config flag. 2018-06-20 19:10:06 -06:00
ncsi.h net/ncsi: Configure multi-package, multi-channel modes with failover 2018-11-17 21:09:49 -08:00
ndctl.h nfit: Add Hyper-V NVDIMM DSM command set to white list 2019-01-29 22:09:31 -08:00
neighbour.h neighbor: Add protocol attribute 2018-12-16 12:15:25 -08:00
net.h
net_dropmon.h
net_namespace.h netns: enable to dump full nsid translation table 2018-11-27 16:20:20 -08:00
net_tstamp.h net: Use __kernel_clockid_t in uapi net_stamp.h 2018-12-18 15:59:29 -08:00
netconf.h route: add support for directed broadcast forwarding 2018-07-29 12:37:06 -07:00
netdevice.h
netfilter.h netfilter: remove NFC_* cache bits 2018-12-01 12:38:32 +01:00
netfilter_arp.h
netfilter_bridge.h netfilter: bridge: define INT_MIN & INT_MAX in userspace 2018-10-25 10:25:22 +02:00
netfilter_decnet.h netfilter: remove NFC_* cache bits 2018-12-01 12:38:32 +01:00
netfilter_ipv4.h netfilter: remove NFC_* cache bits 2018-12-01 12:38:32 +01:00
netfilter_ipv6.h netfilter: remove NFC_* cache bits 2018-12-01 12:38:32 +01:00
netlink.h net: netlink: rename NETLINK_DUMP_STRICT_CHK -> NETLINK_GET_STRICT_CHK 2018-12-14 11:44:31 -08:00
netlink_diag.h
netrom.h
nexthop.h net: nexthop uapi 2019-05-28 21:37:30 -07:00
nfc.h
nfs.h
nfs2.h
nfs3.h
nfs4.h
nfs4_mount.h
nfs_fs.h
nfs_idmap.h
nfs_mount.h NFS: Move internal constants out of uapi/linux/nfs_mount.h 2019-04-25 14:18:14 -04:00
nfsacl.h
nilfs2_api.h
nilfs2_ondisk.h nilfs2: do not use unexported cpu_to_le32()/le32_to_cpu() in uapi header 2019-07-12 11:05:40 -07:00
nl80211.h nl80211: fix NL80211_HE_MAX_CAPABILITY_LEN 2019-07-20 21:38:44 +02:00
nsfs.h
nubus.h
nvme_ioctl.h nvme_ioctl.h: remove duplicate GPL boilerplate 2019-02-20 07:22:05 -07:00
nvram.h
omap3isp.h
omapfb.h
oom.h
openvswitch.h openvswitch: Make metadata_dst tunnel work in IP_TUNNEL_INFO_BRIDGE mode 2019-03-29 13:29:15 -07:00
packet_diag.h
param.h
parport.h
patchkey.h
pci.h
pci_regs.h PCI: Decode PCIe 32 GT/s link speed 2019-06-13 16:49:45 -05:00
pcitest.h pci_endpoint_test: Add 2 ioctl commands 2018-07-19 11:46:57 +01:00
perf_event.h perf, bpf: Introduce PERF_RECORD_BPF_EVENT 2019-01-21 17:00:57 -03:00
personality.h
pfkeyv2.h
pg.h
phantom.h
phonet.h
pkt_cls.h net/sched: cls_flower: Add matching on conntrack info 2019-07-09 12:12:00 -07:00
pkt_sched.h fix: taprio: Change type of txtime-delay parameter to u32 2019-07-16 14:19:19 -07:00
pktcdvd.h
pmu.h m68k/mac: Fix PRAM accessors 2019-01-22 10:21:45 +01:00
poll.h
posix_acl.h
posix_acl_xattr.h
posix_types.h
ppdev.h
ppp-comp.h
ppp-ioctl.h l2tp: remove pppol2tp_session_ioctl() 2018-08-11 12:13:49 -07:00
ppp_defs.h
pps.h
pr.h
prctl.h x86/speculation: Add PR_SPEC_DISABLE_NOEXEC 2019-01-29 22:11:49 +01:00
psample.h
psci.h firmware/psci: add support for SYSTEM_RESET2 2019-04-16 23:05:21 +02:00
psp-sev.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
ptp_clock.h ptp: uapi: change _IOW to IOWR in PTP_SYS_OFFSET_EXTENDED definition 2019-01-08 16:22:56 -05:00
ptrace.h ptrace: add PTRACE_GET_SYSCALL_INFO request 2019-07-16 19:23:24 -07:00
qemu_fw_cfg.h
qnx4_fs.h
qnxtypes.h
qrtr.h
quota.h
radeonfb.h
random.h
raw.h
rds.h net: rds: add per rds connection cache statistics 2019-06-05 17:07:06 -07:00
reboot.h
reiserfs_fs.h
reiserfs_xattr.h
resource.h
rfkill.h
rio_cm_cdev.h
rio_mport_cdev.h
romfs_fs.h
rose.h
route.h
rpmsg.h rpmsg: char: Switch to SPDX license identifier 2018-06-03 17:37:16 -07:00
rseq.h rseq: uapi: Declare rseq_cs field as union, update includes 2018-07-10 22:18:52 +02:00
rtc.h
rtnetlink.h net: nexthop uapi 2019-05-28 21:37:30 -07:00
rxrpc.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
scc.h
sched.h clone3-v5.3 2019-07-11 10:09:44 -07:00
scif_ioctl.h
screen_info.h
sctp.h sctp: introduce SCTP_FUTURE/CURRENT/ALL_ASSOC 2019-01-30 00:44:06 -08:00
sdla.h
seccomp.h seccomp: add a return code to trap to userspace 2018-12-11 16:28:41 -08:00
securebits.h
sed-opal.h block: sed-opal: ioctl for writing to shadow mbr 2019-06-29 10:33:57 -06:00
seg6.h
seg6_genl.h
seg6_hmac.h
seg6_iptunnel.h
seg6_local.h ipv6: sr: Add seg6local action End.BPF 2018-05-24 11:57:36 +02:00
selinux_netlink.h
sem.h
serial.h tty/serial_core: add ISO7816 infrastructure 2018-10-02 13:38:55 -07:00
serial_core.h tty: serial: netx: Delete driver 2019-07-25 12:05:28 +02:00
serial_reg.h
serio.h
shm.h mm/hugetlb: add mmap() encodings for 32MB and 512MB page sizes 2018-10-05 16:32:04 -07:00
signal.h
signalfd.h
smc.h
smc_diag.h net/smc: retain old name for diag_mode field 2018-10-07 21:06:28 -07:00
smiapp.h
snmp.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
sock_diag.h
socket.h net/socket: fix GCC8+ Wpacked-not-aligned warnings 2019-08-03 11:02:46 -07:00
sockios.h net: socket: implement 64-bit timestamps 2019-04-19 14:07:40 -07:00
sonet.h
sonypi.h
sound.h
soundcard.h
stat.h
stddef.h
stm.h
string.h
suspend_ioctls.h
swab.h
switchtec_ioctl.h switchtec: Increase PFF limit from 48 to 255 2019-04-17 17:20:01 -05:00
sync_file.h
synclink.h
sysctl.h kernel/sysctl: add panic_print into sysctl 2019-01-04 13:13:47 -08:00
sysinfo.h
target_core_user.h scsi: target: tcmu: add read length support 2018-06-18 21:02:52 -04:00
taskstats.h delayacct: track delays from thrashing cache pages 2018-10-26 16:26:32 -07:00
tcp.h tcp: add optional per socket transmit delay 2019-06-12 13:05:43 -07:00
tcp_metrics.h
tee.h
termios.h
thermal.h
time.h time: Add time_types.h 2019-02-14 11:51:51 -05:00
time_types.h Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-05 14:08:26 -08:00
timerfd.h
times.h
timex.h y2038: remove struct definition redirects 2019-02-07 00:13:28 +01:00
tiocl.h
tipc.h tipc: introduce new socket option TIPC_SOCK_RECVQ_USED 2019-04-19 14:59:05 -07:00
tipc_config.h tipc: Avoid copying bytes beyond the supplied data 2019-05-20 20:16:08 -04:00
tipc_netlink.h tipc: support broadcast/replicast configurable for bc-link 2019-03-19 13:56:17 -07:00
tipc_sockets_diag.h
tls.h net/tls: Add support of AES128-CCM based ciphers 2019-03-20 11:02:05 -07:00
toshiba.h
tty.h
tty_flags.h tty: fix typo in ASYNCB_FOURPORT comment 2018-05-24 18:38:51 +02:00
types.h uapi: turn __poll_t sparse checks on by default 2018-05-26 09:16:44 +02:00
udf_fs_i.h
udmabuf.h Add udmabuf misc device 2018-09-03 13:29:38 +02:00
udp.h udp: implement GRO for plain UDP sockets. 2018-11-07 16:23:04 -08:00
uhid.h
uinput.h
uio.h
uleds.h
ultrasound.h
un.h
unistd.h
unix_diag.h net: Add UNIX_DIAG_UID to Netlink UNIX socket diagnostics. 2019-05-22 10:36:35 -07:00
usbdevice_fs.h USB: fix types in uapi include 2019-06-19 16:56:14 +02:00
usbip.h
userfaultfd.h
userio.h
utime.h
utsname.h
uuid.h
uvcvideo.h media: uvcvideo: Send a control event when a Control Change interrupt arrives 2018-07-27 06:39:57 -04:00
v4l2-common.h media: v4l2-common.h: put backwards compat defines under #ifndef __KERNEL__ 2018-11-20 13:22:40 -05:00
v4l2-controls.h media: v4l2-ctrl: add MPEG-2 profile and level controls 2019-05-29 06:19:12 -04:00
v4l2-dv-timings.h
v4l2-mediabus.h
v4l2-subdev.h media: v4l: Add support for STD ioctls on subdev nodes 2018-07-24 17:39:28 -04:00
vbox_err.h
vbox_vmmdev_types.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
vboxguest.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
veth.h
vfio.h vfio-ccw: add handling for async channel instructions 2019-04-24 14:18:51 +02:00
vfio_ccw.h vfio-ccw: add handling for async channel instructions 2019-04-24 14:18:51 +02:00
vhost.h vhost: split structs into a separate header file 2018-12-19 18:23:49 -05:00
vhost_types.h vhost: split structs into a separate header file 2018-12-19 18:23:49 -05:00
videodev2.h media: videodev2.h: change V4L2_PIX_FMT_BGRA444 define: fourcc was already in use 2019-07-11 09:00:38 -04:00
virtio_9p.h
virtio_balloon.h virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON 2018-10-24 20:57:55 -04:00
virtio_blk.h virtio_blk: add discard and write zeroes support 2018-12-19 18:23:49 -05:00
virtio_config.h virtio: support VIRTIO_F_ORDER_PLATFORM 2019-01-24 10:15:42 -05:00
virtio_console.h
virtio_crypto.h
virtio_fs.h virtio-fs: add virtiofs filesystem 2019-09-18 20:17:50 +02:00
virtio_gpu.h virtio-gpu api: comment feature flags 2019-04-11 17:00:10 +02:00
virtio_ids.h virtio-fs: add virtiofs filesystem 2019-09-18 20:17:50 +02:00
virtio_input.h
virtio_iommu.h iommu/virtio: Update to most recent specification 2019-07-22 11:52:27 -04:00
virtio_mmio.h
virtio_net.h virtio_net: Introduce VIRTIO_NET_F_STANDBY feature bit 2018-05-28 22:59:54 -04:00
virtio_pci.h
virtio_pmem.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
virtio_ring.h virtio: drop internal struct from UAPI 2019-02-05 15:29:48 -05:00
virtio_rng.h
virtio_scsi.h
virtio_types.h
virtio_vsock.h
vm_sockets.h
vm_sockets_diag.h
vmcore.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
vsockmon.h
vt.h
vtpm_proxy.h
wait.h
watchdog.h
wimax.h
wireless.h
wmi.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
x25.h
xattr.h
xdp_diag.h xsk: add sock_diag interface for AF_XDP 2019-01-25 01:50:03 +01:00
xfrm.h xfrm: Add a new lookup key to match xfrm interfaces. 2018-06-23 16:07:15 +02:00
xilinx-v4l2-controls.h
zorro.h
zorro_ids.h