Yanjun has been spending quite a lot of time fixing bugs
in FORCEDETH source code. I'd like to add Yanjun to maintainers
list.
Signed-off-by: Rain River <rain.1986.08.12@gmail.com>
Acked-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
macb_64b_desc is always called when HW_DMA_CAP_64B is defined.
So the return NULL can never be reached. Remove the dead code.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Flow Control selftest is also available with ASYM Pause. Lets add
this check to the test and fix eventual false positive failures.
Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix sparse warning:
drivers/net/ethernet/freescale/gianfar.c:2070:6:
warning: symbol 'reset_gfar' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a statement that is indented one level too many, remove
the extraneous tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Juliet Kim says:
====================
net/ibmvnic: serialization fixes
This series includes two fixes. The first improves reset code to allow
linkwatch_event to proceed during reset. The second ensures that no more
than one thread runs in reset at a time.
v2:
- Separate change param reset from do_reset()
- Return IBMVNIC_OPEN_FAILED if __ibmvnic_open fails
- Remove setting wait_for_reset to false from __ibmvnic_reset(), this
is done in wait_for_reset()
- Move the check for force_reset_recovery from patch 1 to patch 2
v3:
- Restore reset’s successful return in open failure case
v4:
- Change resetting flag access to atomic
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code allows more than one thread to run in reset. This can
corrupt struct adapter data. Check adapter->resetting before performing
a reset, if there is another reset running delay (100 msec) before trying
again.
Signed-off-by: Juliet Kim <julietk@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit a5681e20b5 ("net/ibmnvic: Fix deadlock problem in reset")
made the change to hold the RTNL lock during a reset to avoid deadlock
but linkwatch_event is fired during the reset and needs the RTNL lock.
That keeps linkwatch_event process from proceeding until the reset
is complete. The reset process cannot tolerate the linkwatch_event
processing after reset completes, so release the RTNL lock during the
process to allow a chance for linkwatch_event to run during reset.
This does not guarantee that the linkwatch_event will be processed as
soon as link state changes, but is an improvement over the current code
where linkwatch_event processing is always delayed, which prevents
transmissions on the device from being deactivated leading transmit
watchdog timer to time-out.
Release the RTNL lock before link state change and re-acquire after
the link state change to allow linkwatch_event to grab the RTNL lock
and run during the reset.
Fixes: a5681e20b5 ("net/ibmnvic: Fix deadlock problem in reset")
Signed-off-by: Juliet Kim <julietk@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Running old skge driver on PowerPC causes checksum errors
because hardware reported 1's complement checksum is in little-endian
byte order.
Reported-by: Benoit <benoit.sansoni@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct archdr is only big enough to hold the header of various types of
arcnet packets. So to provide enough space to hold the data read from
hardware provide a buffer large enough to hold a packet with maximal
size.
The problem was noticed by the stack protector which makes the kernel
oops.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Greg Kroah-Hartman says:
====================
Raw socket cleanups
Ori Nimron pointed out that there are a number of places in the kernel
where you can create a raw socket, without having to have the
CAP_NET_RAW permission.
To resolve this, here's a short patch series to test these odd and old
protocols for this permission before allowing the creation to succeed
All patches are currently against the net tree.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_NFC socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_IEEE802154 socket, CAP_NET_RAW needs to be
checked first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_APPLETALK socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a raw AF_ISDN socket, CAP_NET_RAW needs to be checked
first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch corrects the SPDX License Identifier style
in header file for Distributed Switch Architecture drivers.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This patch corrects the SPDX License Identifier style
in header file for Broadcom BCM53xx managed switch driver.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
We need to set the error code on this path. Otherwise it probably
results in a NULL dereference down the line.
Fixes: aa3198819b ("ionic: Add RSS support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
If CONFIG_ENA_ETHERNET=y and CONFIG_DIMLIB=n,
below erros can be found:
drivers/net/ethernet/amazon/ena/ena_netdev.o: In function `ena_dim_work':
ena_netdev.c:(.text+0x21cc): undefined reference to `net_dim_get_rx_moderation'
ena_netdev.c:(.text+0x21cc): relocation truncated to
fit: R_AARCH64_CALL26 against undefined symbol `net_dim_get_rx_moderation'
drivers/net/ethernet/amazon/ena/ena_netdev.o: In function `ena_io_poll':
ena_netdev.c:(.text+0x7bd4): undefined reference to `net_dim'
ena_netdev.c:(.text+0x7bd4): relocation truncated to fit:
R_AARCH64_CALL26 against undefined symbol `net_dim'
After commit 282faf61a0 ("net: ena: switch to dim algorithm for rx adaptive
interrupt moderation"), it introduces dim algorithm, which configured by CONFIG_DIMLIB.
So, this patch is to select DIMLIB for ENA_ETHERNET.
Fixes: 282faf61a0 ("net: ena: switch to dim algorithm for rx adaptive interrupt moderation")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Use 'skb_put_data()' instead of rewritting it.
This improves readability.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Putting a struct stmmac_rss object on the stack is a bad idea,
as it exceeds the warning limit for a stack frame on 32-bit architectures:
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c:1221:12: error: stack frame size of 1208 bytes in function '__stmmac_test_l3filt' [-Werror,-Wframe-larger-than=]
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c:1338:12: error: stack frame size of 1208 bytes in function '__stmmac_test_l4filt' [-Werror,-Wframe-larger-than=]
As the object is the trivial empty case, change the called function
to accept a NULL pointer to mean the same thing and remove the
large variable in the two callers.
Fixes: 4647e02119 ("net: stmmac: selftests: Add selftest for L3/L4 Filters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
If CONFIG_NET_DSA_SJA1105_TAS=y and CONFIG_NET_SCH_TAPRIO=n,
below error can be found:
drivers/net/dsa/sja1105/sja1105_tas.o: In function `sja1105_setup_tc_taprio':
sja1105_tas.c:(.text+0x318): undefined reference to `taprio_offload_free'
sja1105_tas.c:(.text+0x590): undefined reference to `taprio_offload_get'
drivers/net/dsa/sja1105/sja1105_tas.o: In function `sja1105_tas_teardown':
sja1105_tas.c:(.text+0x610): undefined reference to `taprio_offload_free'
make: *** [vmlinux] Error 1
sja1105_tas needs tc-taprio, so this patch add the dependency for it.
Fixes: 317ab5b86c ("net: dsa: sja1105: Configure the Time-Aware Scheduler via tc-taprio offload")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Similar to commit 8b4c3cdd9d
("net: sched: Add policy validation for tc attributes"), we need
to add proper policy validation for TC action attributes too.
Cc: David Ahern <dsahern@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
The TCA_KIND attribute is of NLA_STRING which does not check
the NUL char. KMSAN reported an uninit-value of TCA_KIND which
is likely caused by the lack of NUL.
Change it to NLA_NUL_STRING and add a max len too.
Fixes: 8b4c3cdd9d ("net: sched: Add policy validation for tc attributes")
Reported-and-tested-by: syzbot+618aacd49e8c8b8486bd@syzkaller.appspotmail.com
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
The ARM netx platform got removed in 5.3, so this driver
is now useless.
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
As the endpoint is unregistered there might still be work pending to
handle incoming messages, which will result in a use after free
scenario. The plan is to remove the rx_worker, but until then (and for
stable@) ensure that the work is stopped before the node is freed.
Fixes: bdabad3e36 ("net: Add Qualcomm IPC router")
Cc: stable@vger.kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
According to the DP83865 datasheet "the 10 Mbps HDX loopback can be
disabled in the expanded memory register 0x1C0.1". The driver erroneously
used bit 0 instead of bit 1.
Fixes: 4621bf1298 ("phy: Add file missed in previous commit.")
Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Endpoints with zero wMaxPacketSize are not usable for transferring
data. Ignore such endpoints when looking for valid in, out and
status pipes, to make the drivers more robust against invalid and
meaningless descriptors.
The wMaxPacketSize of these endpoints are used for memory allocations
and as divisors in many usbnet minidrivers. Avoiding zero is therefore
critical.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Endpoints with zero wMaxPacketSize are not usable for transferring
data. Ignore such endpoints when looking for valid in, out and
status pipes, to make the driver more robust against invalid and
meaningless descriptors.
The wMaxPacketSize of the out pipe is used as divisor. So this change
fixes a divide-by-zero bug.
Reported-by: syzbot+ce366e2b8296e25d84f5@syzkaller.appspotmail.com
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Yi Ren reported an issue discovered by syzkaller, and bisected
to the cited commit.
Many thanks to Yi, this trivial patch does not reflect the patient
work that has been done.
Fixes: d64a1f574a ("ipv6: honor RT6_LOOKUP_F_DST_NOREF in rule lookup logic")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Wei Wang <weiwan@google.com>
Bisected-and-reported-by: Yi Ren <c4tren@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
syzbot managed to crash the kernel in tabledist() loading
an empty distribution table.
t = dist->table[rnd % dist->size];
Simply return an error when such load is attempted.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
The `adi,disable-energy-detect` property was implemented in an initial
version of the `adin` driver series, but after a review it was discarded in
favor of implementing the ETHTOOL_PHY_EDPD phy-tunable option.
With the ETHTOOL_PHY_EDPD control, it's possible to disable/enable
Energy-Detect-Power-Down for the `adin` PHY, so this device-tree is not
needed.
Fixes: 767078132f ("dt-bindings: net: add bindings for ADIN PHY driver")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Julian noted that rt_uses_gateway has a more subtle use than 'is gateway
set':
https://lore.kernel.org/netdev/alpine.LFD.2.21.1909151104060.2546@ja.home.ssi.bg/
Revert that part of the commit referenced in the Fixes tag.
Currently, there are no u8 holes in 'struct rtable'. There is a 4-byte hole
in the second cacheline which contains the gateway declaration. So move
rt_gw_family down to the gateway declarations since they are always used
together, and then re-use that u8 for rt_uses_gateway. End result is that
rtable size is unchanged.
Fixes: 1550c17193 ("ipv4: Prepare rtable for IPv6 gateway")
Reported-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Some distributions (e.g., debian buster) do not install ping6. Re-use
the hook in pmtu.sh to detect this and fallback to ping.
Fixes: 735ab2f65d ("selftests: Add test with multiple prefixes using single nexthop")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Some distributions (e.g., debian buster) do not install ping6. Re-use
the hook in pmtu.sh to detect this and fallback to ping.
Fixes: a0e11da78f ("fib_tests: Add tests for metrics on routes")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
The 'mac-mode' property is similar to 'phy-mode' and 'phy-connection-type',
which are enums of mode strings.
The 'dwmac' driver supports almost all modes declared in the 'phy-mode'
enum (except for 1 or 2). But in general, there may be a case where
'mac-mode' becomes more generic and is moved as part of phylib or netdev.
In any case, the 'mac-mode' field should be made an enum, and it also makes
sense to just reference the 'phy-connection-type' from
'ethernet-controller.yaml'. That will also make it more future-proof for new
modes.
Fixes: 9c15d3597c ("dt-bindings: net: dwmac: document 'mac-mode' property")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
current 'sample' action doesn't push the mac header of ingress packets if
they are received by a layer 3 tunnel (like gre or sit); but it forgot to
check for gre over ipv6, so the following script:
# tc q a dev $d clsact
# tc f a dev $d ingress protocol ip flower ip_proto icmp action sample \
> group 100 rate 1
# psample -v -g 100
dumps everything, including outer header and mac, when $d is a gre tunnel
over ipv6. Fix this adding a missing label for ARPHRD_IP6GRE devices.
Fixes: 5c5670fae4 ("net/sched: Introduce sample tc action")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Yotam Gigi <yotam.gi@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Add some test cases to allow the fib_nexthops.sh test code
to test the flushing of nexthops based upon the proto passed
in upon creation of the nexthop group.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
The documentation of skew values for the KSZ9021 PHY was misleading
because the driver implementation followed the erroneous information
given in the original KSZ9021 datasheet before it was corrected in
revision 1.2 (Feb 2014). It is probably too late to correct the driver
now because of the many existing device trees, so instead this just
corrects the documentation to explain that what you actually get is not
what you might think when looking at the device tree.
Signed-off-by: James Byrne <james.byrne@origamienergy.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Disabling multicast filtering from NCSI if it is supported. As it
should not filter any multicast packets. In current code, multicast
filter is enabled and with an exception of optional field supported
by device are disabled filtering.
Mainly I see if goal is to disable filtering for IPV6 packets then let
it disabled for every other types as well. As we are seeing issues with
LLDP not working with this enabled filtering. And there are other issues
with IPV6.
By Disabling this multicast completely, it is working for both IPV6 as
well as LLDP.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Acked-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
With commit 0655f9943d ("net/ibmvnic: Update carrier state after link
state change") we are now able to detect when the carrier is properly
present in the device, so only report an unexpected unknown speed when it
is properly detected. Unknown speed is expected to be seen by the device
in case the backing device has no link detected.
Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Tested-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Signed-off-by: Murilo Fossa Vicentini <muvic@linux.ibm.com>
Reviewed-by: Thomas Falcon <tlfalcon@linux.ibm.com>
clang warns:
../drivers/net/ethernet/pensando/ionic/ionic_debugfs.c:60:37: warning:
expression result unused [-Wunused-value]
ionic, &identity_fops) ? 0 : -EOPNOTSUPP;
^~~~~~~~~~~
1 warning generated.
The return value of debugfs_create_file does not need to be checked [1]
and the function returns void so get rid of the ternary operator, it is
unnecessary.
[1]: https://lore.kernel.org/linux-mm/20150815160730.GB25186@kroah.com/
Fixes: fbfb803153 ("ionic: Add hardware init and device commands")
Link: https://github.com/ClangBuiltLinux/linux/issues/658
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After a reset packet sizes and device mtu can change and need
to be reevaluated to calculate queue sizes.
Malicious devices can set this to zero and we divide by it.
Introduce sanity checking.
Reported-and-tested-by: syzbot+6102c120be558c885f04@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Remove KM_SLEEP/KM_NOSLEEP.
- Ensure that memory buffers for IO are properly sector-aligned to avoid
problems that the block layer doesn't check.
- Make the bmap scrubber more efficient in its record checking.
- Don't crash xfs_db when superblock inode geometry is corrupt.
- Fix btree key helper functions.
- Remove unneeded error returns for things that can't fail.
- Fix buffer logging bugs in repair.
- Clean up iterator return values.
- Speed up directory entry creation.
- Enable allocation of xattr value memory buffer during lookup.
- Fix readahead racing with truncate/punch hole.
- Other minor cleanups.
- Fix one AGI/AGF deadlock with RENAME_WHITEOUT.
- More BUG -> WARN whackamole.
- Fix various problems with the log failing to advance under certain
circumstances, which results in stalls during mount.
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Merge tag 'xfs-5.4-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"For this cycle we have the usual pile of cleanups and bug fixes, some
performance improvements for online metadata scrubbing, massive
speedups in the directory entry creation code, some performance
improvement in the file ACL lookup code, a fix for a logging stall
during mount, and fixes for concurrency problems.
It has survived a couple of weeks of xfstests runs and merges cleanly.
Summary:
- Remove KM_SLEEP/KM_NOSLEEP.
- Ensure that memory buffers for IO are properly sector-aligned to
avoid problems that the block layer doesn't check.
- Make the bmap scrubber more efficient in its record checking.
- Don't crash xfs_db when superblock inode geometry is corrupt.
- Fix btree key helper functions.
- Remove unneeded error returns for things that can't fail.
- Fix buffer logging bugs in repair.
- Clean up iterator return values.
- Speed up directory entry creation.
- Enable allocation of xattr value memory buffer during lookup.
- Fix readahead racing with truncate/punch hole.
- Other minor cleanups.
- Fix one AGI/AGF deadlock with RENAME_WHITEOUT.
- More BUG -> WARN whackamole.
- Fix various problems with the log failing to advance under certain
circumstances, which results in stalls during mount"
* tag 'xfs-5.4-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (45 commits)
xfs: push the grant head when the log head moves forward
xfs: push iclog state cleaning into xlog_state_clean_log
xfs: factor iclog state processing out of xlog_state_do_callback()
xfs: factor callbacks out of xlog_state_do_callback()
xfs: factor debug code out of xlog_state_do_callback()
xfs: prevent CIL push holdoff in log recovery
xfs: fix missed wakeup on l_flush_wait
xfs: push the AIL in xlog_grant_head_wake
xfs: Use WARN_ON_ONCE for bailout mount-operation
xfs: Fix deadlock between AGI and AGF with RENAME_WHITEOUT
xfs: define a flags field for the AG geometry ioctl structure
xfs: add a xfs_valid_startblock helper
xfs: remove the unused XFS_ALLOC_USERDATA flag
xfs: cleanup xfs_fsb_to_db
xfs: fix the dax supported check in xfs_ioctl_setattr_dax_invalidate
xfs: Fix stale data exposure when readahead races with hole punch
fs: Export generic_fadvise()
mm: Handle MADV_WILLNEED through vfs_fadvise()
xfs: allocate xattr buffer on demand
xfs: consolidate attribute value copying
...
- Prohibit writing to active swap files and swap partitions.
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Merge tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull swap access updates from Darrick Wong:
"Prohibit writing to active swap files and swap partitions.
There's no non-malicious use case for allowing userspace to scribble
on storage that the kernel thinks it owns"
* tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
vfs: don't allow writes to swap files
mm: set S_SWAPFILE on blockdev swap devices
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Merge tag 'ovl-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"Fix a regression in docker introduced by overlayfs changes in 4.19.
Also fix a couple of miscellaneous bugs"
* tag 'ovl-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: filter of trusted xattr results in audit
ovl: Fix dereferencing possible ERR_PTR()
ovl: fix regression caused by overlapping layers detection
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Merge tag 'for-5.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This continues with work on code refactoring, sanity checks and space
handling. There are some less user visible changes, nothing that would
particularly stand out.
User visible changes:
- tree checker, more sanity checks of:
- ROOT_ITEM (key, size, generation, level, alignment, flags)
- EXTENT_ITEM and METADATA_ITEM checks (key, size, offset,
alignment, refs)
- tree block reference items
- EXTENT_DATA_REF (key, hash, offset)
- deprecate flag BTRFS_SUBVOL_CREATE_ASYNC for subvolume creation
ioctl, scheduled removal in 5.7
- delete stale and unused UAPI definitions
BTRFS_DEV_REPLACE_ITEM_STATE_*
- improved export of debugging information available via existing
sysfs directory structure
- try harder to delete relations between qgroups and allow to delete
orphan entries
- remove unreliable space checks before relocation starts
Core:
- space handling:
- improved ticket reservations and other high level logic in
order to remove special cases
- factor flushing infrastructure and use it for different
contexts, allows to remove some special case handling
- reduce metadata reservation when only updating inodes
- reduce global block reserve minimum size (affects small
filesystems)
- improved overcommit logic wrt global block reserve
- tests:
- fix memory leaks in extent IO tree
- catch all TRIM range
Fixes:
- fix ENOSPC errors, leading to transaction aborts, when cloning
extents
- several fixes for inode number cache (mount option inode_cache)
- fix potential soft lockups during send when traversing large trees
- fix unaligned access to space cache pages with SLUB debug on
(PowerPC)
Other:
- refactoring public/private functions, moving to new or more
appropriate files
- defines converted to enums
- error handling improvements
- more assertions and comments
- old code deletion"
* tag 'for-5.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (138 commits)
btrfs: Relinquish CPUs in btrfs_compare_trees
btrfs: Don't assign retval of btrfs_try_tree_write_lock/btrfs_tree_read_lock_atomic
btrfs: create structure to encode checksum type and length
btrfs: turn checksum type define into an enum
btrfs: add enospc debug messages for ticket failure
btrfs: do not account global reserve in can_overcommit
btrfs: use btrfs_try_granting_tickets in update_global_rsv
btrfs: always reserve our entire size for the global reserve
btrfs: change the minimum global reserve size
btrfs: rename btrfs_space_info_add_old_bytes
btrfs: remove orig_bytes from reserve_ticket
btrfs: fix may_commit_transaction to deal with no partial filling
btrfs: rework wake_all_tickets
btrfs: refactor the ticket wakeup code
btrfs: stop partially refilling tickets when releasing space
btrfs: add space reservation tracepoint for reserved bytes
btrfs: roll tracepoint into btrfs_space_info_update helper
btrfs: do not allow reservations if we have pending tickets
btrfs: stop clearing EXTENT_DIRTY in inode I/O tree
btrfs: treat RWF_{,D}SYNC writes as sync for CRCs
...
Rain River