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Fixes gcc '-Wunused-but-set-variable' warning:
fs/cifs/smb2pdu.c: In function 'smb311_posix_mkdir':
fs/cifs/smb2pdu.c:2040:26: warning:
variable 'server' set but not used [-Wunused-but-set-variable]
fs/cifs/smb2pdu.c: In function 'build_qfs_info_req':
fs/cifs/smb2pdu.c:4067:26: warning:
variable 'server' set but not used [-Wunused-but-set-variable]
The first 'server' never used since commit bea851b8babe ("smb3: Fix mode on
mkdir on smb311 mounts")
And the second not used since commit 1fc6ad2f10ad ("cifs: remove
header_preamble_size where it is always 0")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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We should zero out the password before we free it.
Fixes: 3d6cacbb5310 ("cifs: Add DFS cache routines")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara <palcantara@suse.de>
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memory allocated by kmem_cache_alloc() in alloc_cache_entry()
should be freed using kmem_cache_free(), not kfree().
Fixes: 34a44fb160f9 ("cifs: Add DFS cache routines")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
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Fixes cifs build failure after merge of the y2038 tree
After merging the y2038 tree, today's linux-next build (x86_64
allmodconfig) failed like this:
fs/cifs/dfs_cache.c: In function 'cache_entry_expired':
fs/cifs/dfs_cache.c:106:7: error: implicit declaration of function 'current_kernel_time64'; did you mean 'core_kernel_text'? [-Werror=implicit-function-declaration]
ts = current_kernel_time64();
^~~~~~~~~~~~~~~~~~~~~
core_kernel_text
fs/cifs/dfs_cache.c:106:5: error: incompatible types when assigning to type 'struct timespec64' from type 'int'
ts = current_kernel_time64();
^
fs/cifs/dfs_cache.c: In function 'get_expire_time':
fs/cifs/dfs_cache.c:342:24: error: incompatible type for argument 1 of 'timespec64_add'
return timespec64_add(current_kernel_time64(), ts);
^~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/restart_block.h:10,
from include/linux/thread_info.h:13,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:78,
from include/linux/rcupdate.h:40,
from fs/cifs/dfs_cache.c:8:
include/linux/time64.h:66:66: note: expected 'struct timespec64' but argument is of type 'int'
static inline struct timespec64 timespec64_add(struct timespec64 lhs,
~~~~~~~~~~~~~~~~~~^~~
fs/cifs/dfs_cache.c:343:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
Caused by:
commit ccea641b6742 ("timekeeping: remove obsolete time accessors")
interacting with:
commit 34a44fb160f9 ("cifs: Add DFS cache routines")
from the cifs tree.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Paulo Alcantara <palcantara@suse.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
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* Add new dfs_cache.[ch] files
* Add new /proc/fs/cifs/dfscache file
- dump current cache when read
- clear current cache when writing "0" to it
* Add delayed_work to periodically refresh cache entries
The new interface will be used for caching DFS referrals, as well as
supporting client target failover.
The DFS cache is a hashtable that maps UNC paths to cache entries.
A cache entry contains:
- the UNC path it is mapped on
- how much the the UNC path the entry consumes
- flags
- a Time-To-Live after which the entry expires
- a list of possible targets (linked lists of UNC paths)
- a "hint target" pointing the last known working target or the first
target if none were tried. This hint lets cifs.ko remember and try
working targets first.
* Looking for an entry in the cache is done with dfs_cache_find()
- if no valid entries are found, a DFS query is made, stored in the
cache and returned
- the full target list can be copied and returned to avoid race
conditions and looped on with the help with the
dfs_cache_tgt_iterator
* Updating the target hint to the next target is done with
dfs_cache_update_tgthint()
These functions have a dfs_cache_noreq_XXX() version that doesn't
fetches referrals if no entries are found. These versions don't
require the tcp/ses/tcon/cifs_sb parameters as a result.
Expired entries cannot be used and since they have a pretty short TTL
[1] in order for them to be useful for failover the DFS cache adds a
delayed work called periodically to keep them fresh.
Since we might not have available connections to issue the referral
request when refreshing we need to store volume_info structs with
credentials and other needed info to be able to connect to the right
server.
1: Windows defaults: 5mn for domain-based referrals, 30mn for regular
links
Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Fix the following warning:
no previous prototype for ‘dbg_sym_flags’ [-Wmissing-prototypes]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Currently, images.c is included by qconf.cc and gconf.c.
qconf.cc uses all of xpm_* arrays, but gconf.c only some of them.
Hence, lots of "... defined but not used" warnings are displayed
while compiling gconf.c
Splitting out images.c fixes the warnings.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Add "static" to functions that are locally used in gconf.c
This fixes some "no previous prototype for ..." warnings.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Compile zconf.lex.c independently of the other files.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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I want to compile each C file independently instead of including all
of them from zconf.y.
Split out confdata.c, expr.c, symbol.c, and preprocess.c .
These are low-hanging fruits.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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All files in lxdialog/ are licensed under GPL-2.0+, and the rest are
under GPL-2.0. I added GPL-2.0 tags to test scripts in tests/.
Documentation/process/license-rules.rst does not suggest anything
about the flex/bison files. Because flex does not accept the C++
comment style at the very top of a file, I used the C style for
zconf.l, and so for zconf.y for consistency.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Commit 7a88488bbc23 ("[PATCH] kconfig: use gperf for kconfig keywords")
introduced gperf for the keyword lookup.
Then, commit bb3290d91695 ("Remove gperf usage from toolchain") killed
the gperf use. As a result, the linear keyword search was left behind.
If we do not use gperf, there is no reason to have the separate table
of the keywords. Move all keywords back to the lexer.
I also refactored the lexer to remove the COMMAND and PARAM states.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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* Use common helpers, bitmap_zalloc() and kstrndup(), to replace open
coded versions.
* Clarify the comments around hotplug vs initial init case for the nfit
driver.
* Cleanup the libnvdimm init path.
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Closing ")" was lost in debug message.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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_svc_create_xprt() returns positive port number
so its non-zero return value is not an error
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Force bc_svc_process() to generate debug message after processing errors
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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xpo_prep_reply_hdr are not used now.
It was defined for tcp transport only, however it cannot be
called indirectly, so let's move it to its caller and
remove unused callback.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Remove svc_xprt_class svc_rdma_bc_class and related functions.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Remove svc_xprt_class svc_tcp_bc_class and related functions
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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svc_serv-> sv_bc_xprt is netns-unsafe and cannot be used as pointer.
To prevent its misuse in future it is replaced by new boolean flag.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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if node have NFSv41+ mounts inside several net namespaces
it can lead to use-after-free in svc_process_common()
svc_process_common()
/* Setup reply header */
rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp); <<< HERE
svc_process_common() can use incorrect rqstp->rq_xprt,
its caller function bc_svc_process() takes it from serv->sv_bc_xprt.
The problem is that serv is global structure but sv_bc_xprt
is assigned per-netnamespace.
According to Trond, the whole "let's set up rqstp->rq_xprt
for the back channel" is nothing but a giant hack in order
to work around the fact that svc_process_common() uses it
to find the xpt_ops, and perform a couple of (meaningless
for the back channel) tests of xpt_flags.
All we really need in svc_process_common() is to be able to run
rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr()
Bruce J Fields points that this xpo_prep_reply_hdr() call
is an awfully roundabout way just to do "svc_putnl(resv, 0);"
in the tcp case.
This patch does not initialiuze rqstp->rq_xprt in bc_svc_process(),
now it calls svc_process_common() with rqstp->rq_xprt = NULL.
To adjust reply header svc_process_common() just check
rqstp->rq_prot and calls svc_tcp_prep_reply_hdr() for tcp case.
To handle rqstp->rq_xprt = NULL case in functions called from
svc_process_common() patch intruduces net namespace pointer
svc_rqst->rq_bc_net and adjust SVC_NET() definition.
Some other function was also adopted to properly handle described case.
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Cc: stable@vger.kernel.org
Fixes: 23c20ecd4475 ("NFS: callback up - users counting cleanup")
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Drop LIST_HEAD where the variable it declares is never used.
This was introduced in c5c707f96fc9a ("nfsd: implement pNFS
layout recalls"), but was not used even in that commit.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier x;
@@
- LIST_HEAD(x);
... when != x
// </smpl>
Fixes: c5c707f96fc9a ("nfsd: implement pNFS layout recalls")
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
"The main change in this set is Neil Brown's work to reduce the
thundering herd problem when a heavily-contended file lock is
released.
Previously we'd always wake up all waiters when this occurred. With
this set, we'll now we only wake up waiters that were blocked on the
range being released"
* tag 'locks-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: Use inode_is_open_for_write
fs/locks: remove unnecessary white space.
fs/locks: merge posix_unblock_lock() and locks_delete_block()
fs/locks: create a tree of dependent requests.
fs/locks: change all *_conflict() functions to return bool.
fs/locks: always delete_block after waiting.
fs/locks: allow a lock request to block other requests.
fs/locks: use properly initialized file_lock when unlocking.
ocfs2: properly initial file_lock used for unlock.
gfs2: properly initial file_lock used for unlock.
NFS: use locks_copy_lock() to copy locks.
fs/locks: split out __locks_wake_up_blocks().
fs/locks: rename some lists and pointers.
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"All cleanups and bug fixes; most notably, fix some problems discovered
in ext4's NFS support, and fix an ioctl (EXT4_IOC_GROUP_ADD) used by
old versions of e2fsprogs which we accidentally broke a while back.
Also fixed some error paths in ext4's quota and inline data support.
Finally, improve tail latency in jbd2's commit code"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: check for shutdown and r/o file system in ext4_write_inode()
ext4: force inode writes when nfsd calls commit_metadata()
ext4: avoid declaring fs inconsistent due to invalid file handles
ext4: include terminating u32 in size of xattr entries when expanding inodes
ext4: compare old and new mode before setting update_mode flag
ext4: fix EXT4_IOC_GROUP_ADD ioctl
ext4: hard fail dax mount on unsupported devices
jbd2: update locking documentation for transaction_t
ext4: remove redundant condition check
jbd2: clean up indentation issue, replace spaces with tab
ext4: clean up indentation issues, remove extraneous tabs
ext4: missing unlock/put_page() in ext4_try_to_write_inline_data()
ext4: fix possible use after free in ext4_quota_enable
jbd2: avoid long hold times of j_state_lock while committing a transaction
ext4: add ext4_sb_bread() to disambiguate ENOMEM cases
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Pull iomap update from Darrick Wong:
"Fix a memory overflow bug for blocksize < pagesize"
* tag 'iomap-4.21-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: don't search past page end in iomap_is_partially_uptodate
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Pull XFS updates from Darrick Wong:
- Fix CoW remapping of extremely fragmented file areas
- Fix a zero-length symlink verifier error
- Constify some of the rmap owner structures for per-AG metadata
- Precalculate inode geometry for later use
- Fix scrub counting problems
- Don't crash when rtsummary inode is null
- Fix x32 ioctl operation
- Fix enum->string mappings for ftrace output
- Cache realtime summary information in memory
* tag 'xfs-4.21-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (24 commits)
xfs: reallocate realtime summary cache on growfs
xfs: stringify scrub types in ftrace output
xfs: stringify btree cursor types in ftrace output
xfs: move XFS_INODE_FORMAT_STR mappings to libxfs
xfs: move XFS_AG_BTREE_CMP_FORMAT_STR mappings to libxfs
xfs: fix symbolic enum printing in ftrace output
xfs: fix function pointer type in ftrace format
xfs: Fix x32 ioctls when cmd numbers differ from ia32.
xfs: Fix bulkstat compat ioctls on x32 userspace.
xfs: Align compat attrlist_by_handle with native implementation.
xfs: require both realtime inodes to mount
xfs: cache minimum realtime summary level
xfs: count inode blocks correctly in inobt scrub
xfs: precalculate cluster alignment in inodes and blocks
xfs: precalculate inodes and blocks per inode cluster
xfs: add a block to inode count converter
xfs: remove xfs_rmap_ag_owner and friends
xfs: const-ify xfs_owner_info arguments
xfs: streamline defer op type handling
xfs: idiotproof defer op type configuration
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, udf, and quota update from Jan Kara:
"Some ext2 cleanups, a fix for UDF crash on corrupted media, and one
quota locking fix"
* tag 'fs_for_4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Lock s_umount in exclusive mode for Q_XQUOTA{ON,OFF} quotactls.
udf: Fix BUG on corrupted inode
ext2: change reusable parameter to true when calling mb_cache_entry_create()
ext2: remove redundant condition check
ext2: avoid unnecessary operation in ext2_error()
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"Support for new FAN_OPEN_EXEC event and couple of cleanups around
fsnotify"
* tag 'fsnotify_for_v4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: Use inode_is_open_for_write
fanotify: Make sure to check event_len when copying
fsnotify/fdinfo: include fdinfo.h for inotify_show_fdinfo()
fanotify: introduce new event mask FAN_OPEN_EXEC_PERM
fsnotify: refactor fsnotify_parent()/fsnotify() paired calls when event is on path
fanotify: introduce new event mask FAN_OPEN_EXEC
fanotify: return only user requested event types in event mask
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set is entirely trivial fixes, mainly around correct cleanup on
error paths and improved error checks. One patch adds scheduling in a
potentially long recovery loop"
* tag 'dlm-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: fix invalid cluster name warning
dlm: NULL check before some freeing functions is not needed
dlm: NULL check before kmem_cache_destroy is not needed
dlm: fix missing idr_destroy for recover_idr
dlm: memory leaks on error path in dlm_user_request()
dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
dlm: possible memory leak on error path in create_lkb()
dlm: fixed memory leaks after failed ls_remove_names allocation
dlm: fix possible call to kfree() for non-initialized pointer
dlm: Don't swamp the CPU with callbacks queued during recovery
dlm: don't leak kernel pointer to userspace
dlm: don't allow zero length names
dlm: fix invalid free
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"New features:
- swapfile support - after a long time it's here, with some
limitations where COW design does not work well with the swap
implementation (nodatacow file, no compression, cannot be
snapshotted, not possible on multiple devices, ...), as this is the
most restricted but working setup, we'll try to improve that in the
future
- metadata uuid - an optional incompat feature to assign a new
filesystem UUID without overwriting all metadata blocks, stored
only in superblock
- more balance messages are printed to system log, initial is in the
format of the command line that would be used to start it
Fixes:
- tag pages of a snapshot to better separate pages that are involved
in the snapshot (and need to get synced) from newly dirtied pages
that could slow down or even livelock the snapshot operation
- improved check of filesystem id associated with a device during
scan to detect duplicate devices that could be mixed up during
mount
- fix device replace state transitions, eg. when it ends up
interrupted and reboot tries to restart balance too, or when
start/cancel ioctls race
- fix a crash due to a race when quotas are enabled during snapshot
creation
- GFP_NOFS/memalloc_nofs_* fixes due to GFP_KERNEL allocations in
transaction context
- fix fsync of files with multiple hard links in new directories
- fix race of send with transaction commits that create snapshots
Core changes:
- cleanups:
* further removals of now-dead fsync code
* core function for finding free extent has been split and
provides a base for further cleanups to make the logic more
understandable
* removed lot of indirect callbacks for data and metadata inodes
* simplified refcounting and locking for cloned extent buffers
* removed redundant function arguments
* defines converted to enums where appropriate
- separate reserve for delayed refs from global reserve, update logic
to do less trickery and ad-hoc heuristics, move out some related
expensive operations from transaction commit or file truncate
- dev-replace switched from custom locking scheme to semaphore
- remove first phase of balance that tried to make some space for the
relocation by calling shrink and grow, this did not work as
expected and only introduced more error states due to potential
resize failures, slightly improves the runtime as the chunks on all
devices are not needlessly enumerated
- clone and deduplication now use generic helper that adds a few more
checks that were missing from the original btrfs implementation of
the ioctls"
* tag 'for-4.21-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (125 commits)
btrfs: Fix typos in comments and strings
btrfs: improve error handling of btrfs_add_link
Btrfs: use generic_remap_file_range_prep() for cloning and deduplication
btrfs: Refactor main loop in extent_readpages
btrfs: Remove 1st shrink/grow phase from balance
Btrfs: send, fix race with transaction commits that create snapshots
Btrfs: use nofs context when initializing security xattrs to avoid deadlock
btrfs: run delayed items before dropping the snapshot
btrfs: catch cow on deleting snapshots
btrfs: extent-tree: cleanup one-shot usage of @blocksize in do_walk_down
Btrfs: scrub, move setup of nofs contexts higher in the stack
btrfs: scrub: move scrub_setup_ctx allocation out of device_list_mutex
btrfs: scrub: pass fs_info to scrub_setup_ctx
btrfs: fix truncate throttling
btrfs: don't run delayed refs in the end transaction logic
btrfs: rework btrfs_check_space_for_delayed_refs
btrfs: add new flushing states for the delayed refs rsv
btrfs: update may_commit_transaction to use the delayed refs rsv
btrfs: introduce delayed_refs_rsv
btrfs: only track ref_heads in delayed_ref_updates
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson:
- Enhancements and performance improvements to journal replay (Abhi
Das)
- Cleanup of gfs2_is_ordered and gfs2_is_writeback (Andreas
Gruenbacher)
- Fix a potential double-free in inode creation (Andreas Gruenbacher)
- Fix the bitmap search loop that was searching too far (Andreas
Gruenbacher)
- Various cleanups (Andreas Gruenbacher, Bob Peterson)
- Implement Steve Whitehouse's patch to dump nrpages for inodes (Bob
Peterson)
- Fix a withdraw bug where stuffed journaled data files didn't allocate
enough journal space to be grown (Bob Peterson)
* tag 'gfs2-4.21.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: take jdata unstuff into account in do_grow
gfs2: Dump nrpages for inodes and their glocks
gfs2: Fix loop in gfs2_rbm_find
gfs2: Get rid of potential double-freeing in gfs2_create_inode
gfs2: Remove vestigial bd_ops
gfs2: read journal in large chunks to locate the head
gfs2: add a helper function to get_log_header that can be used elsewhere
gfs2: changes to gfs2_log_XXX_bio
gfs2: add more timing info to journal recovery process
gfs2: Fix the gfs2_invalidatepage description
gfs2: Clean up gfs2_is_{ordered,writeback}
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Correct two minor kerneldoc errors:
1) missing reference to @mode in struct phy_ops
2) obsolete reference to @init_data in struct_phy_attrs,
removed in dbc98635e0d42f0e62ea92813df1e0e4c90f8375
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1) note that gianfar_phy.c was removed years ago
2) fix obvious copy and paste error in regular doc
3) change regular doc into kerneldoc for phy_modes()
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes potential double frees if register_hdlc_device() fails.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Reviewed-by: Peng Hao <peng.hao2@zte.com.cn>
CC: Zhao Qiang <qiang.zhao@nxp.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: netdev@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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When acpi_match_device fails, its return value is NULL. Directly using
the return value without a check may result in a NULL-pointer
dereference. The fix checks if acpi_match_device fails, and if so,
returns -EINVAL.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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genlmsg_put could fail. The fix inserts a check of its return value, and
if it fails, returns -EMSGSIZE.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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atl1e_write_phy_reg() could fail. The fix issues an error message when
it fails.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both bcm_sf2_sw_indir_rw and mdiobus_write_nested could fail, so let's
return their error codes upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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niu_pci_eeprom_read() may fail, so we should check its return value
before using the read data.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Acked-by: Shannon Nelson <shannon.lee.nelson@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cudbg_collect_hw_sched() could fail when the function cudg_get_buffer()
returns an error. The fix adds a check to the latter function returning
error on failure
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While flushing the cache via ipv6_sysctl_rtcache_flush(), the call
to proc_dointvec() may fail. The fix adds a check that returns the
error, on failure.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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bearer_disable() already calls kfree_rcu() to free struct tipc_bearer,
we don't need to call kfree() again.
Fixes: cb30a63384bc ("tipc: refactor function tipc_enable_bearer()")
Reported-by: syzbot+b981acf1fb240c0c128b@syzkaller.appspotmail.com
Cc: Ying Xue <ying.xue@windriver.com>
Cc: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add 1472-byte test to tcrypt for IPsec
- Reintroduced crypto stats interface with numerous changes
- Support incremental algorithm dumps
Algorithms:
- Add xchacha12/20
- Add nhpoly1305
- Add adiantum
- Add streebog hash
- Mark cts(cbc(aes)) as FIPS allowed
Drivers:
- Improve performance of arm64/chacha20
- Improve performance of x86/chacha20
- Add NEON-accelerated nhpoly1305
- Add SSE2 accelerated nhpoly1305
- Add AVX2 accelerated nhpoly1305
- Add support for 192/256-bit keys in gcmaes AVX
- Add SG support in gcmaes AVX
- ESN for inline IPsec tx in chcr
- Add support for CryptoCell 703 in ccree
- Add support for CryptoCell 713 in ccree
- Add SM4 support in ccree
- Add SM3 support in ccree
- Add support for chacha20 in caam/qi2
- Add support for chacha20 + poly1305 in caam/jr
- Add support for chacha20 + poly1305 in caam/qi2
- Add AEAD cipher support in cavium/nitrox"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (130 commits)
crypto: skcipher - remove remnants of internal IV generators
crypto: cavium/nitrox - Fix build with !CONFIG_DEBUG_FS
crypto: salsa20-generic - don't unnecessarily use atomic walk
crypto: skcipher - add might_sleep() to skcipher_walk_virt()
crypto: x86/chacha - avoid sleeping under kernel_fpu_begin()
crypto: cavium/nitrox - Added AEAD cipher support
crypto: mxc-scc - fix build warnings on ARM64
crypto: api - document missing stats member
crypto: user - remove unused dump functions
crypto: chelsio - Fix wrong error counter increments
crypto: chelsio - Reset counters on cxgb4 Detach
crypto: chelsio - Handle PCI shutdown event
crypto: chelsio - cleanup:send addr as value in function argument
crypto: chelsio - Use same value for both channel in single WR
crypto: chelsio - Swap location of AAD and IV sent in WR
crypto: chelsio - remove set but not used variable 'kctx_len'
crypto: ux500 - Use proper enum in hash_set_dma_transfer
crypto: ux500 - Use proper enum in cryp_set_dma_transfer
crypto: aesni - Add scatter/gather avx stubs, and use them in C
crypto: aesni - Introduce partial block macro
..
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reenable_fd has been a NOP since the introduction of the EPOLL
based interrupt controller.
reenable_channel() is no longer needed as the flow control is
now handled via the write IRQs on the channel.
Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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vector_user.c doesn't compile without this for me.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
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