This switches ext4 over to the generic support provided in libfs.
Since casefolded dentries behave the same in ext4 and f2fs, we decrease
the maintenance burden by unifying them, and any optimizations will
immediately apply to both.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20201028050820.1636571-1-drosen@google.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
ext4_ext_search_right() will read more extent blocks and call put_bh
after we get the information we need. However, ret_ex will break this
and may cause use-after-free once pagecache has been freed. Fix it by
copying the extent structure if needed.
Signed-off-by: yangerkun <yangerkun@huawei.com>
Link: https://lore.kernel.org/r/20201028055617.2569255-1-yangerkun@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
With this fix, fast commit recovery code uses IS_ERR() for path
returned by ext4_find_extent.
Fixes: 8016e29f43 ("ext4: fast commit recovery path")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201027204342.2794949-1-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Commit afb585a97f "ext4: data=journal: write-protect pages on
j_submit_inode_data_buffers()") added calls ext4_jbd2_inode_add_write()
to track inode ranges whose mappings need to get write-protected during
transaction commits. However the added calls use wrong start of a range
(0 instead of page offset) and so write protection is not necessarily
effective. Use correct range start to fix the problem.
Fixes: afb585a97f ("ext4: data=journal: write-protect pages on j_submit_inode_data_buffers()")
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20201027132751.29858-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
The kernel-doc markup that documents _fc_replay_callback is
missing an asterisk, causing this warning:
../include/linux/jbd2.h:1271: warning: Function parameter or member 'j_fc_replay_callback' not described in 'journal_s'
When building the docs.
Fixes: 609f928af48f ("jbd2: fast commit recovery path")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/6055927ada2015b55b413cdd2670533bdc9a8da2.1603791716.git.mchehab+huawei@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Ext4's fast commit related transient states should use
sb->s_mount_flags instead of persistent sb->s_mount_state.
Fixes: 8016e29f43 ("ext4: fast commit recovery path")
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201027044915.2553163-3-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This patch reserves a field in the jbd2 superblock for number of fast
commit blocks. When this value is non-zero, Ext4 uses this field to
set the number of fast commit blocks.
Fixes: 6866d7b3f2 ("ext4/jbd2: add fast commit initialization")
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201027044915.2553163-2-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
ext4_inode_datasync_dirty() needs to return 'true' if the inode is
dirty, 'false' otherwise, but the logic seems to be incorrectly changed
by commit aa75f4d3da ("ext4: main fast-commit commit path").
This introduces a problem with swap files that are always failing to be
activated, showing this error in dmesg:
[ 34.406479] swapon: file is not committed
Simple test case to reproduce the problem:
# fallocate -l 8G swapfile
# chmod 0600 swapfile
# mkswap swapfile
# swapon swapfile
Fix the logic to return the proper state of the inode.
Link: https://lore.kernel.org/lkml/20201024131333.GA32124@xps-13-7390
Fixes: 8016e29f43 ("ext4: fast commit recovery path")
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201027044915.2553163-1-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fast_commit mode. In addition, thanks to Mauricio for fixing a race
where mmap'ed pages that are being changed in parallel with a
data=journal transaction commit could result in bad checksums in the
failure that could cause journal replays to fail. Also notable is
Ritesh's buffered write optimization which can result in significant
improvements on parallel write workloads. (The kernel test robot
reported a 330.6% improvement on fio.write_iops on a 96 core system
using DAX[1].)
Besides that, we have the usual miscellaneous cleanups and bug fixes.
[1] https://lore.kernel.org/r/20200925071217.GO28663@shao2-debian
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"The siginificant new ext4 feature this time around is Harshad's new
fast_commit mode.
In addition, thanks to Mauricio for fixing a race where mmap'ed pages
that are being changed in parallel with a data=journal transaction
commit could result in bad checksums in the failure that could cause
journal replays to fail.
Also notable is Ritesh's buffered write optimization which can result
in significant improvements on parallel write workloads. (The kernel
test robot reported a 330.6% improvement on fio.write_iops on a 96
core system using DAX)
Besides that, we have the usual miscellaneous cleanups and bug fixes"
Link: https://lore.kernel.org/r/20200925071217.GO28663@shao2-debian
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (46 commits)
ext4: fix invalid inode checksum
ext4: add fast commit stats in procfs
ext4: add a mount opt to forcefully turn fast commits on
ext4: fast commit recovery path
jbd2: fast commit recovery path
ext4: main fast-commit commit path
jbd2: add fast commit machinery
ext4 / jbd2: add fast commit initialization
ext4: add fast_commit feature and handling for extended mount options
doc: update ext4 and journalling docs to include fast commit feature
ext4: Detect already used quota file early
jbd2: avoid transaction reuse after reformatting
ext4: use the normal helper to get the actual inode
ext4: fix bs < ps issue reported with dioread_nolock mount opt
ext4: data=journal: write-protect pages on j_submit_inode_data_buffers()
ext4: data=journal: fixes for ext4_page_mkwrite()
jbd2, ext4, ocfs2: introduce/use journal callbacks j_submit|finish_inode_data_buffers()
jbd2: introduce/export functions jbd2_journal_submit|finish_inode_data_buffers()
ext4: introduce ext4_sb_bread_unmovable() to replace sb_bread_unmovable()
ext4: use ext4_sb_bread() instead of sb_bread()
...
Pull initial set_fs() removal from Al Viro:
"Christoph's set_fs base series + fixups"
* 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: Allow a NULL pos pointer to __kernel_read
fs: Allow a NULL pos pointer to __kernel_write
powerpc: remove address space overrides using set_fs()
powerpc: use non-set_fs based maccess routines
x86: remove address space overrides using set_fs()
x86: make TASK_SIZE_MAX usable from assembly code
x86: move PAGE_OFFSET, TASK_SIZE & friends to page_{32,64}_types.h
lkdtm: remove set_fs-based tests
test_bitmap: remove user bitmap tests
uaccess: add infrastructure for kernel builds with set_fs()
fs: don't allow splice read/write without explicit ops
fs: don't allow kernel reads and writes without iter ops
sysctl: Convert to iter interfaces
proc: add a read_iter method to proc proc_ops
proc: cleanup the compat vs no compat file ops
proc: remove a level of indentation in proc_get_inode
has the same arguments as READ but allows the server to return an array
of data and hole extents.
Otherwise it's a lot of cleanup and bugfixes.
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Merge tag 'nfsd-5.10' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"The one new feature this time, from Anna Schumaker, is READ_PLUS,
which has the same arguments as READ but allows the server to return
an array of data and hole extents.
Otherwise it's a lot of cleanup and bugfixes"
* tag 'nfsd-5.10' of git://linux-nfs.org/~bfields/linux: (43 commits)
NFSv4.2: Fix NFS4ERR_STALE error when doing inter server copy
SUNRPC: fix copying of multiple pages in gss_read_proxy_verf()
sunrpc: raise kernel RPC channel buffer size
svcrdma: fix bounce buffers for unaligned offsets and multiple pages
nfsd: remove unneeded break
net/sunrpc: Fix return value for sysctl sunrpc.transports
NFSD: Encode a full READ_PLUS reply
NFSD: Return both a hole and a data segment
NFSD: Add READ_PLUS hole segment encoding
NFSD: Add READ_PLUS data support
NFSD: Hoist status code encoding into XDR encoder functions
NFSD: Map nfserr_wrongsec outside of nfsd_dispatch
NFSD: Remove the RETURN_STATUS() macro
NFSD: Call NFSv2 encoders on error returns
NFSD: Fix .pc_release method for NFSv2
NFSD: Remove vestigial typedefs
NFSD: Refactor nfsd_dispatch() error paths
NFSD: Clean up nfsd_dispatch() variables
NFSD: Clean up stale comments in nfsd_dispatch()
NFSD: Clean up switch statement in nfsd_dispatch()
...
- Replace memcpy with structure assignment.
- Remove unneeded codes and use helper function i_blocksize().
- Fix typos found by codespell.
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Merge tag 'exfat-for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Replace memcpy with structure assignment
- Remove unneeded codes and use helper function i_blocksize()
- Fix typos found by codespell
* tag 'exfat-for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: remove useless check in exfat_move_file()
exfat: remove 'rwoffset' in exfat_inode_info
exfat: replace memcpy with structure assignment
exfat: remove useless directory scan in exfat_add_entry()
exfat: eliminate dead code in exfat_find()
exfat: use i_blocksize() to get blocksize
exfat: fix misspellings using codespell tool
A couple of small fixes (loff_t overflow on 32bit, syzbot uninitialized
variable warning) and code cleanup (xen)
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Merge tag '9p-for-5.10-rc1' of git://github.com/martinetd/linux
Pull 9p updates from Dominique Martinet:
"A couple of small fixes (loff_t overflow on 32bit, syzbot
uninitialized variable warning) and code cleanup (xen)"
* tag '9p-for-5.10-rc1' of git://github.com/martinetd/linux:
net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
9p/xen: Fix format argument warning
9P: Cast to loff_t before multiplying
During the stability test, there are some errors:
ext4_lookup:1590: inode #6967: comm fsstress: iget: checksum invalid.
If the inode->i_iblocks too big and doesn't set huge file flag, checksum
will not be recalculated when update the inode information to it's buffer.
If other inode marks the buffer dirty, then the inconsistent inode will
be flushed to disk.
Fix this problem by checking i_blocks in advance.
Cc: stable@kernel.org
Signed-off-by: Luo Meng <luomeng12@huawei.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20201020013631.3796673-1-luomeng12@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This patch adds fast commit recovery path support for Ext4 file
system. We add several helper functions that are similar in spirit to
e2fsprogs journal recovery path handlers. Example of such functions
include - a simple block allocator, idempotent block bitmap update
function etc. Using these routines and the fast commit log in the fast
commit area, the recovery path (ext4_fc_replay()) performs fast commit
log recovery.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-8-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This patch adds main fast commit commit path handlers. The overall
patch can be divided into two inter-related parts:
(A) Metadata updates tracking
This part consists of helper functions to track changes that need
to be committed during a commit operation. These updates are
maintained by Ext4 in different in-memory queues. Following are
the APIs and their short description that are implemented in this
patch:
- ext4_fc_track_link/unlink/creat() - Track unlink. link and creat
operations
- ext4_fc_track_range() - Track changed logical block offsets
inodes
- ext4_fc_track_inode() - Track inodes
- ext4_fc_mark_ineligible() - Mark file system fast commit
ineligible()
- ext4_fc_start_update() / ext4_fc_stop_update() /
ext4_fc_start_ineligible() / ext4_fc_stop_ineligible() These
functions are useful for co-ordinating inode updates with
commits.
(B) Main commit Path
This part consists of functions to convert updates tracked in
in-memory data structures into on-disk commits. Function
ext4_fc_commit() is the main entry point to commit path.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-6-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This patch adds fast commit area trackers in the journal_t
structure. These are initialized via the jbd2_fc_init() routine that
this patch adds. This patch also adds ext4/fast_commit.c and
ext4/fast_commit.h files for fast commit code that will be added in
subsequent patches in this series.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-4-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
We are running out of mount option bits. Add handling for using
s_mount_opt2. Add ext4 and jbd2 fast commit feature flag and also add
ability to turn off the fast commit feature in Ext4.
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-3-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
In exfat_move_file(), the identity of source and target directory has been
checked by the caller.
Also, it gets stream.start_clu from file dir-entry, which is an invalid
determination.
Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Remove 'rwoffset' in exfat_inode_info and replace it with the parameter of
exfat_readdir().
Since rwoffset is referenced only by exfat_readdir(), it is not necessary
a exfat_inode_info's member.
Also, change cpos to point to the next of entry-set, and return the index
of dir-entry via dir_entry->entry.
Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
There is nothing in directory just created, so there is no need to scan.
Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
The exfat_find_dir_entry() called by exfat_find() doesn't return -EEXIST.
Therefore, the root-dir information setting is never executed.
Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
We alreday has the interface i_blocksize() to get blocksize,
so use it.
Signed-off-by: Xianting Tian <tian.xianting@h3c.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
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Merge tag 'linux-watchdog-5.10-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- Add Toshiba Visconti watchdog driver
- it87_wdt: add IT8772 + IT8784
- several fixes and improvements
* tag 'linux-watchdog-5.10-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: Add Toshiba Visconti watchdog driver
watchdog: bindings: Add binding documentation for Toshiba Visconti watchdog device
watchdog: it87_wdt: add IT8784 ID
watchdog: sp5100_tco: Enable watchdog on Family 17h devices if disabled
watchdog: sp5100: Fix definition of EFCH_PM_DECODEEN3
watchdog: renesas_wdt: support handover from bootloader
watchdog: imx7ulp: Watchdog should continue running for wait/stop mode
watchdog: rti: Simplify with dev_err_probe()
watchdog: davinci: Simplify with dev_err_probe()
watchdog: cadence: Simplify with dev_err_probe()
watchdog: remove unneeded inclusion of <uapi/linux/sched/types.h>
watchdog: Use put_device on error
watchdog: Fix memleak in watchdog_cdev_register
watchdog: imx7ulp: Strictly follow the sequence for wdog operations
watchdog: it87_wdt: add IT8772 ID
watchdog: pcwd_usb: Avoid GFP_ATOMIC where it is not needed
drivers: watchdog: rdc321x_wdt: Fix race condition bugs
Subsystem:
- new generic DT properties: aux-voltage-chargeable, trickle-voltage-millivolt
New driver:
- Microcrystal RV-3032
Drivers:
- ds1307: use aux-voltage-chargeable
- r9701, rx8010: modernization of the driver
- rv3028: fix clock output, trickle resistor values, RAM configuration
registers
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Merge tag 'rtc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"A new driver this cycle is making the bulk of the changes and the
rx8010 driver has been rework to use the modern APIs.
Summary:
Subsystem:
- new generic DT properties: aux-voltage-chargeable,
trickle-voltage-millivolt
New driver:
- Microcrystal RV-3032
Drivers:
- ds1307: use aux-voltage-chargeable
- r9701, rx8010: modernization of the driver
- rv3028: fix clock output, trickle resistor values, RAM
configuration registers"
* tag 'rtc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
rtc: r9701: set range
rtc: r9701: convert to devm_rtc_allocate_device
rtc: r9701: stop setting RWKCNT
rtc: r9701: remove useless memset
rtc: r9701: stop setting a default time
rtc: r9701: remove leftover comment
rtc: rv3032: Add a driver for Microcrystal RV-3032
dt-bindings: rtc: rv3032: add RV-3032 bindings
dt-bindings: rtc: add trickle-voltage-millivolt
rtc: rv3028: ensure ram configuration registers are saved
rtc: rv3028: factorize EERD bit handling
rtc: rv3028: fix trickle resistor values
rtc: rv3028: fix clock output support
rtc: mt6397: Remove unused member dev
rtc: rv8803: simplify the return expression of rv8803_nvram_write
rtc: meson: simplify the return expression of meson_vrtc_probe
rtc: rx8010: rename rx8010_init_client() to rx8010_init()
rtc: ds1307: enable rx8130's backup battery, make it chargeable optionally
rtc: ds1307: consider aux-voltage-chargeable
rtc: ds1307: store previous charge default per chip
...
Pull dmi update from Jean Delvare.
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
Replace HTTP links with HTTPS ones: DMI/SMBIOS SUPPORT
Pull i2c updates from Wolfram Sang:
- if a host can be a client, too, the I2C core can now use it to
emulate SMBus HostNotify support (STM32 and R-Car added this so far)
- also for client mode, a testunit has been added. It can create rare
situations on the bus, so host controllers can be tested
- a binding has been added to mark the bus as "single-master". This
allows for better timeout detections
- new driver for Mellanox Bluefield
- massive refactoring of the Tegra driver
- EEPROMs recognized by the at24 driver can now have custom names
- rest is driver updates
* 'i2c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (80 commits)
Documentation: i2c: add testunit docs to index
i2c: tegra: Improve driver module description
i2c: tegra: Clean up whitespaces, newlines and indentation
i2c: tegra: Clean up and improve comments
i2c: tegra: Clean up printk messages
i2c: tegra: Clean up variable names
i2c: tegra: Improve formatting of variables
i2c: tegra: Check errors for both positive and negative values
i2c: tegra: Factor out hardware initialization into separate function
i2c: tegra: Factor out register polling into separate function
i2c: tegra: Factor out packet header setup from tegra_i2c_xfer_msg()
i2c: tegra: Factor out error recovery from tegra_i2c_xfer_msg()
i2c: tegra: Rename wait/poll functions
i2c: tegra: Remove "dma" variable from tegra_i2c_xfer_msg()
i2c: tegra: Remove redundant check in tegra_i2c_issue_bus_clear()
i2c: tegra: Remove likely/unlikely from the code
i2c: tegra: Remove outdated barrier()
i2c: tegra: Clean up variable types
i2c: tegra: Reorder location of functions in the code
i2c: tegra: Clean up probe function
...
- a patch that removes crush_workspace_mutex (myself). CRUSH
computations are no longer serialized and can run in parallel.
- a couple new filesystem client metrics for "ceph fs top" command
(Xiubo Li)
- a fix for a very old messenger bug that affected the filesystem,
marked for stable (myself)
- assorted fixups and cleanups throughout the codebase from Jeff
and others.
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Merge tag 'ceph-for-5.10-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
- a patch that removes crush_workspace_mutex (myself). CRUSH
computations are no longer serialized and can run in parallel.
- a couple new filesystem client metrics for "ceph fs top" command
(Xiubo Li)
- a fix for a very old messenger bug that affected the filesystem,
marked for stable (myself)
- assorted fixups and cleanups throughout the codebase from Jeff and
others.
* tag 'ceph-for-5.10-rc1' of git://github.com/ceph/ceph-client: (27 commits)
libceph: clear con->out_msg on Policy::stateful_server faults
libceph: format ceph_entity_addr nonces as unsigned
libceph: fix ENTITY_NAME format suggestion
libceph: move a dout in queue_con_delay()
ceph: comment cleanups and clarifications
ceph: break up send_cap_msg
ceph: drop separate mdsc argument from __send_cap
ceph: promote to unsigned long long before shifting
ceph: don't SetPageError on readpage errors
ceph: mark ceph_fmt_xattr() as printf-like for better type checking
ceph: fold ceph_update_writeable_page into ceph_write_begin
ceph: fold ceph_sync_writepages into writepage_nounlock
ceph: fold ceph_sync_readpages into ceph_readpage
ceph: don't call ceph_update_writeable_page from page_mkwrite
ceph: break out writeback of incompatible snap context to separate function
ceph: add a note explaining session reject error string
libceph: switch to the new "osd blocklist add" command
libceph, rbd, ceph: "blacklist" -> "blocklist"
ceph: have ceph_writepages_start call pagevec_lookup_range_tag
ceph: use kill_anon_super helper
...
NFS_FS=y as dependency of CONFIG_NFSD_V4_2_INTER_SSC still have
build errors and some configs with NFSD=m to get NFS4ERR_STALE
error when doing inter server copy.
Added ops table in nfs_common for knfsd to access NFS client modules.
Fixes: 3ac3711adb ("NFSD: Fix NFS server build errors")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
- Fix the test suite after introduction of the local_lock
- Fix a bug in the IDA spotted by Coverity
- Change the API that allows the workingset code to delete a node
- Fix xas_reload() when dealing with entries that occupy multiple indices
- Add a few more tests to the test suite
- Fix an unsigned int being shifted into an unsigned long
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Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
Pull XArray updates from Matthew Wilcox:
- Fix the test suite after introduction of the local_lock
- Fix a bug in the IDA spotted by Coverity
- Change the API that allows the workingset code to delete a node
- Fix xas_reload() when dealing with entries that occupy multiple
indices
- Add a few more tests to the test suite
- Fix an unsigned int being shifted into an unsigned long
* tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray:
XArray: Fix xas_create_range for ranges above 4 billion
radix-tree: fix the comment of radix_tree_next_slot()
XArray: Fix xas_reload for multi-index entries
XArray: Add private interface for workingset node deletion
XArray: Fix xas_for_each_conflict documentation
XArray: Test marked multiorder iterations
XArray: Test two more things about xa_cmpxchg
ida: Free allocated bitmap in error path
radix tree test suite: Fix compilation
- Stable Fixes:
- Wait for stateid updates after CLOSE/OPEN_DOWNGRADE # v5.4+
- Fix nfs_path in case of a rename retry
- Support EXCHID4_FLAG_SUPP_FENCE_OPS v4.2 EXCHANGE_ID flag
- New features and improvements:
- Replace dprintk() calls with tracepoints
- Make cache consistency bitmap dynamic
- Added support for the NFS v4.2 READ_PLUS operation
- Improvements to net namespace uniquifier
- Other bugfixes and cleanups
- Remove redundant clnt pointer
- Don't update timeout values on connection resets
- Remove redundant tracepoints
- Various cleanups to comments
- Fix oops when trying to use copy_file_range with v4.0 source server
- Improvements to flexfiles mirrors
- Add missing "local_lock=posix" mount option
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Merge tag 'nfs-for-5.10-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"Stable Fixes:
- Wait for stateid updates after CLOSE/OPEN_DOWNGRADE # v5.4+
- Fix nfs_path in case of a rename retry
- Support EXCHID4_FLAG_SUPP_FENCE_OPS v4.2 EXCHANGE_ID flag
New features and improvements:
- Replace dprintk() calls with tracepoints
- Make cache consistency bitmap dynamic
- Added support for the NFS v4.2 READ_PLUS operation
- Improvements to net namespace uniquifier
Other bugfixes and cleanups:
- Remove redundant clnt pointer
- Don't update timeout values on connection resets
- Remove redundant tracepoints
- Various cleanups to comments
- Fix oops when trying to use copy_file_range with v4.0 source server
- Improvements to flexfiles mirrors
- Add missing 'local_lock=posix' mount option"
* tag 'nfs-for-5.10-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (55 commits)
NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag
NFSv4: Fix up RCU annotations for struct nfs_netns_client
NFS: Only reference user namespace from nfs4idmap struct instead of cred
nfs: add missing "posix" local_lock constant table definition
NFSv4: Use the net namespace uniquifier if it is set
NFSv4: Clean up initialisation of uniquified client id strings
NFS: Decode a full READ_PLUS reply
SUNRPC: Add an xdr_align_data() function
NFS: Add READ_PLUS hole segment decoding
SUNRPC: Add the ability to expand holes in data pages
SUNRPC: Split out _shift_data_right_tail()
SUNRPC: Split out xdr_realign_pages() from xdr_align_pages()
NFS: Add READ_PLUS data segment support
NFS: Use xdr_page_pos() in NFSv4 decode_getacl()
SUNRPC: Implement a xdr_page_pos() function
SUNRPC: Split out a function for setting current page
NFS: fix nfs_path in case of a rename retry
fs: nfs: return per memcg count for xattr shrinkers
NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE
nfs: remove incorrect fallthrough label
...
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Merge tag 'io_uring-5.10-2020-10-20' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"A mix of fixes and a few stragglers. In detail:
- Revert the bogus __read_mostly that we discussed for the initial
pull request.
- Fix a merge window regression with fixed file registration error
path handling.
- Fix io-wq numa node affinities.
- Series abstracting out an io_identity struct, making it both easier
to see what the personality items are, and also easier to to adopt
more. Use this to cover audit logging.
- Fix for read-ahead disabled block condition in async buffered
reads, and using single page read-ahead to unify what
generic_file_buffer_read() path is used.
- Series for REQ_F_COMP_LOCKED fix and removal of it (Pavel)
- Poll fix (Pavel)"
* tag 'io_uring-5.10-2020-10-20' of git://git.kernel.dk/linux-block: (21 commits)
io_uring: use blk_queue_nowait() to check if NOWAIT supported
mm: use limited read-ahead to satisfy read
mm: mark async iocb read as NOWAIT once some data has been copied
io_uring: fix double poll mask init
io-wq: inherit audit loginuid and sessionid
io_uring: use percpu counters to track inflight requests
io_uring: assign new io_identity for task if members have changed
io_uring: store io_identity in io_uring_task
io_uring: COW io_identity on mismatch
io_uring: move io identity items into separate struct
io_uring: rely solely on work flags to determine personality.
io_uring: pass required context in as flags
io-wq: assign NUMA node locality if appropriate
io_uring: fix error path cleanup in io_sqe_files_register()
Revert "io_uring: mark io_uring_fops/io_op_defs as __read_mostly"
io_uring: fix REQ_F_COMP_LOCKED by killing it
io_uring: dig out COMP_LOCK from deep call chain
io_uring: don't put a poll req under spinlock
io_uring: don't unnecessarily clear F_LINK_TIMEOUT
io_uring: don't set COMP_LOCKED if won't put
...
power-supply core:
* Add wireless type
* Properly document current direction
battery/charger driver changes:
* New fuel-gauge/charger driver for RN5T618/RN5T619
* New charger driver for BQ25980, BQ25975 and BQ25960
* bq27xxx-battery: add support for TI bq34z100
* gpio-charger: convert to GPIO descriptors
* gpio-charger: add optional support for charge current limiting
* max17040: add support for max17041, max17043, max17044
* max17040: add support for max17048, max17049, max17058, max17059
* smb347-charger: add DT support
* smb247-charger: add SMB345 and SMB358 support
* simple-battery: add temperature properties
* lots of minor fixes, cleanups and DT binding YAML conversions
reset drivers:
* ocelot: Add support for Sparx5
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Merge tag 'for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- add wireless type
- properly document current direction
Battery/charger driver changes:
- new fuel-gauge/charger driver for RN5T618/RN5T619
- new charger driver for BQ25980, BQ25975 and BQ25960
- bq27xxx-battery: add support for TI bq34z100
- gpio-charger: convert to GPIO descriptors
- gpio-charger: add optional support for charge current limiting
- max17040: add support for max17041, max17043, max17044
- max17040: add support for max17048, max17049, max17058, max17059
- smb347-charger: add DT support
- smb247-charger: add SMB345 and SMB358 support
- simple-battery: add temperature properties
- lots of minor fixes, cleanups and DT binding YAML conversions
Reset drivers:
- ocelot: Add support for Sparx5"
* tag 'for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (81 commits)
power: reset: POWER_RESET_OCELOT_RESET should depend on Ocelot or Sparx5
power: supply: bq25980: Fix uninitialized wd_reg_val and overrun
power: supply: ltc2941: Fix ptr to enum cast
power: supply: test-power: revise parameter printing to use sprintf
power: supply: charger-manager: fix incorrect check on charging_duration_ms
power: supply: max17040: Fix ptr to enum cast
power: supply: bq25980: Fix uninitialized wd_reg_val
power: supply: bq25980: remove redundant zero check on ret
power: reset: ocelot: Add support for Sparx5
dt-bindings: reset: ocelot: Add Sparx5 support
power: supply: sbs-battery: keep error code when get_property() fails
power: supply: bq25980: Add support for the BQ259xx family
dt-binding: bq25980: Add the bq25980 flash charger
power: supply: fix spelling mistake "unprecise" -> "imprecise"
power: supply: test_power: add missing newlines when printing parameters by sysfs
power: supply: pm2301: drop duplicated i2c_device_id
power: supply: charger-manager: drop unused charger assignment
power: supply: rt9455: skip 'struct acpi_device_id' when !CONFIG_ACPI
power: supply: goldfish: skip 'struct acpi_device_id' when !CONFIG_ACPI
power: supply: bq25890: skip 'struct acpi_device_id' when !CONFIG_ACPI
...
When the passed token is longer than 4032 bytes, the remaining part
of the token must be copied from the rqstp->rq_arg.pages. But the
copy must make sure it happens in a consecutive way.
With the existing code, the first memcpy copies 'length' bytes from
argv->iobase, but since the header is in front, this never fills the
whole first page of in_token->pages.
The mecpy in the loop copies the following bytes, but starts writing at
the next page of in_token->pages. This leaves the last bytes of page 0
unwritten.
Symptoms were that users with many groups were not able to access NFS
exports, when using Active Directory as the KDC.
Signed-off-by: Martijn de Gouw <martijn.de.gouw@prodrive-technologies.com>
Fixes: 5866efa8cb "SUNRPC: Fix svcauth_gss_proxy_init()"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Its possible that using AUTH_SYS and mountd manage-gids option a
user may hit the 8k RPC channel buffer limit. This have been observed
on field, causing unanswered RPCs on clients after mountd fails to
write on channel :
rpc.mountd[11231]: auth_unix_gid: error writing reply
Userland nfs-utils uses a buffer size of 32k (RPC_CHAN_BUF_SIZE), so
lets match those two.
Signed-off-by: Roberto Bergantinos Corpas <rbergant@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
i915:
- Set all unused color plane offsets to ~0xfff again (Ville)
- Fix TGL DKL PHY DP vswing handling (Ville)
amdgpu:
- DCN clang warning fix
- eDP fix
- BACO fix
- Kernel documentation fixes
- SMU7 mclk fix
- VCN1 hw bug workaround
amdkfd:
- kvfree vs kfree fix
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Merge tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Some fixes queued up already for i915 and amdgpu, I've also included
the fix for the clang warning you've seen.
i915:
- set all unused color plane offsets to ~0xfff again (Ville)
- fix TGL DKL PHY DP vswing handling (Ville)
amdgpu:
- DCN clang warning fix
- eDP fix
- BACO fix
- kernel documentation fixes
- SMU7 mclk fix
- VCN1 hw bug workaround
amdkfd:
- kvfree vs kfree fix"
* tag 'drm-next-2020-10-19' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Fix incorrect dsc force enable logic
drm/amdkfd: Use kvfree in destroy_crat_image
drm/amdgpu: vcn and jpeg ring synchronization
drm/amd/pm: increase mclk switch threshold to 200 us
docs: amdgpu: fix a warning when building the documentation
drm/amd/display: kernel-doc: document force_timing_sync
drm/amdgpu/swsmu: init the baco mutex in early_init
drm/amd/display: Fix module load hangs when connected to an eDP
drm/i915: Set all unused color plane offsets to ~0xfff again
drm/i915: Fix TGL DKL PHY DP vswing handling
- Fix a build regression with !CONFIG_IOMMU_API
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Merge tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fix from Joerg Roedel:
"Fix a build regression with !CONFIG_IOMMU_API"
* tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Don't dereference iommu_device if IOMMU_API is not built
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Merge tag 'for-linus-5.10b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull more xen updates from Juergen Gross:
- A single patch to fix the Xen security issue XSA-331 (malicious
guests can DoS dom0 by triggering NULL-pointer dereferences or access
to stale data).
- A larger series to fix the Xen security issue XSA-332 (malicious
guests can DoS dom0 by sending events at high frequency leading to
dom0's vcpus being busy in IRQ handling for elongated times).
* tag 'for-linus-5.10b-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: block rogue events for some time
xen/events: defer eoi in case of excessive number of events
xen/events: use a common cpu hotplug hook for event channels
xen/events: switch user event channels to lateeoi model
xen/pciback: use lateeoi irq binding
xen/pvcallsback: use lateeoi irq binding
xen/scsiback: use lateeoi irq binding
xen/netback: use lateeoi irq binding
xen/blkback: use lateeoi irq binding
xen/events: add a new "late EOI" evtchn framework
xen/events: fix race in evtchn_fifo_unmask()
xen/events: add a proper barrier to 2-level uevent unmasking
xen/events: avoid removing an event channel while handling it
- Drop support for EZChip NPS platform
- miscll other fixes
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Merge tag 'arc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
"The bulk of ARC pull request is removal of EZChip NPS platform which
was suffering from constant bitrot. In recent years EZChip has gone
though multiple successive acquisitions and I guess things and people
move on. I would like to take this opportunity to recognize and thank
all those good folks (Gilad, Noam, Ofer...) for contributing major
bits to ARC port (SMP, Big Endian).
Summary:
- drop support for EZChip NPS platform
- misc other fixes"
* tag 'arc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
arc: include/asm: fix typos of "themselves"
ARC: SMP: fix typo and use "come up" instead of "comeup"
ARC: [dts] fix the errors detected by dtbs_check
arc: plat-hsdk: fix kconfig dependency warning when !RESET_CONTROLLER
ARC: [plat-eznps]: Drop support for EZChip NPS platform
In order to avoid high dom0 load due to rogue guests sending events at
high frequency, block those events in case there was no action needed
in dom0 to handle the events.
This is done by adding a per-event counter, which set to zero in case
an EOI without the XEN_EOI_FLAG_SPURIOUS is received from a backend
driver, and incremented when this flag has been set. In case the
counter is 2 or higher delay the EOI by 1 << (cnt - 2) jiffies, but
not more than 1 second.
In order not to waste memory shorten the per-event refcnt to two bytes
(it should normally never exceed a value of 2). Add an overflow check
to evtchn_get() to make sure the 2 bytes really won't overflow.
This is part of XSA-332.
Cc: stable@vger.kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Wei Liu <wl@xen.org>
In case rogue guests are sending events at high frequency it might
happen that xen_evtchn_do_upcall() won't stop processing events in
dom0. As this is done in irq handling a crash might be the result.
In order to avoid that, delay further inter-domain events after some
time in xen_evtchn_do_upcall() by forcing eoi processing into a
worker on the same cpu, thus inhibiting new events coming in.
The time after which eoi processing is to be delayed is configurable
via a new module parameter "event_loop_timeout" which specifies the
maximum event loop time in jiffies (default: 2, the value was chosen
after some tests showing that a value of 2 was the lowest with an
only slight drop of dom0 network throughput while multiple guests
performed an event storm).
How long eoi processing will be delayed can be specified via another
parameter "event_eoi_delay" (again in jiffies, default 10, again the
value was chosen after testing with different delay values).
This is part of XSA-332.
Cc: stable@vger.kernel.org
Reported-by: Julien Grall <julien@xen.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Wei Liu <wl@xen.org>
Daniel Rosenberg
yangerkun
Harshad Shirwadkar
Jan Kara
Mauro Carvalho Chehab
Andrea Righi
Linus Torvalds
Luo Meng
Tetsuhiro Kohada
Xianting Tian
Namjae Jeon
Dai Ngo
Martijn de Gouw
Roberto Bergantinos Corpas
Juergen Gross