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Merge tag 'arch-cleanup-2020-10-22' of git://git.kernel.dk/linux-block
Pull arch task_work cleanups from Jens Axboe:
"Two cleanups that don't fit other categories:
- Finally get the task_work_add() cleanup done properly, so we don't
have random 0/1/false/true/TWA_SIGNAL confusing use cases. Updates
all callers, and also fixes up the documentation for
task_work_add().
- While working on some TIF related changes for 5.11, this
TIF_NOTIFY_RESUME cleanup fell out of that. Remove some arch
duplication for how that is handled"
* tag 'arch-cleanup-2020-10-22' of git://git.kernel.dk/linux-block:
task_work: cleanup notification modes
tracehook: clear TIF_NOTIFY_RESUME in tracehook_notify_resume()
Apply the outstanding statfs changes in the journal head to the
master statfs file. Zero out the local statfs file for good measure.
Previously, statfs updates would be read in from the local statfs inode and
synced to the master statfs inode during recovery.
We now use the statfs updates in the journal head to update the master statfs
inode instead of reading in from the local statfs inode. To preserve backward
compatibility with kernels that can't do this, we still need to keep the
local statfs inode up to date by writing changes to it. At some point in the
future, we can do away with the local statfs inodes altogether and keep the
statfs changes solely in the journal.
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
We need to lookup the master statfs inode and the local statfs
inodes earlier in the mount process (in init_journal) so journal
recovery can use them when it attempts to recover the statfs info.
We lookup all the local statfs inodes and store them in a linked
list to allow a node to recover statfs info for other nodes in the
cluster.
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
With the set_fs change, we can no longer rely on copy_{to,from}_user()
accepting a kernel pointer, and it was bad form to do so anyway. Clean
this up and change the internal helper that io_uring uses to deal with
kernel pointers instead. This puts the offset copy in/out in __do_splice()
instead, which just calls the same helper.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We jump through a hoop for fixed buffers, where we first map these to
a bvec(), then kmap() the bvec to obtain the pointer we copy to/from.
This was always a bit ugly, and with the set_fs changes, it ends up
being practically problematic as well.
There's no need to jump through these hoops, just use the original user
pointers and length for the non iter based read/write.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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()
...
The IO_REPARSE_TAG_LX_ tags originally were used by WSL but they
are preferred by the Linux client in some cases since, unlike
the NFS reparse tag (or EAs), they don't require an extra query
to determine which type of special file they represent.
Add support for readdir to recognize special file types of
FIFO, SOCKET, CHAR, BLOCK and SYMLINK. This can be tested
by creating these special files in WSL Linux and then
sharing that location on the Windows server and mounting
to the Windows server to access them.
Prior to this patch all of the special files would show up
as being of type 'file' but with this patch they can be seen
with the correct file type as can be seen below:
brwxr-xr-x 1 root root 0, 0 Oct 21 17:10 block
crwxr-xr-x 1 root root 0, 0 Oct 21 17:46 char
drwxr-xr-x 2 root root 0 Oct 21 18:27 dir
prwxr-xr-x 1 root root 0 Oct 21 16:21 fifo
-rwxr-xr-x 1 root root 0 Oct 21 15:48 file
lrwxr-xr-x 1 root root 0 Oct 21 15:52 symlink-to-file
TODO: go through all documented reparse tags to see if we can
reasonably map some of them to directories vs. files vs. symlinks
and also add support for device numbers for block and char
devices.
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
The "end" pointer is either NULL or it points to the next byte to parse.
If there isn't a next byte then dereferencing "end" is an off-by-one out
of bounds error. And, of course, if it's NULL that leads to an Oops.
Printing "*end" doesn't seem very useful so let's delete this code.
Also for the last debug statement, I noticed that it should be printing
"sequence_end" instead of "end" so fix that as well.
Reported-by: Dominik Maier <dmaier@sect.tu-berlin.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This and related patches which move mount related
code to fs_context.c has the advantage of
shriking the code in fs/cifs/connect.c (which had
the second most lines of code of any of the files
in cifs.ko and was getting harder to read due
to its size) and will also make it easier to
switch over to the new mount API in the future.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Helps to shrink connect.c and make it more readable
by moving mount related code to fs_context.c and
fs_context.h
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
This patch moves the parsing of security mount options into
fs_context.ch. There are no changes to any logic.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
This will make it easier in the future, but also will allow us to
shrink connect.c which is getting too big, and harder to read
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
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
Every close(io_uring) causes cancellation of all inflight requests
carrying ->files. That's not nice but was neccessary up until recently.
Now task->files removal is handled in the core code, so that part of
flush can be removed.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We correctly set io-wq NUMA node affinities when the io-wq context is
setup, but if an entire node CPU set is offlined and then brought back
online, the per node affinities are broken. Ensure that we set them
again whenever a CPU comes online. This ensures that we always track
the right node affinity. The usual cpuhp notifiers are used to drive it.
Reported-by: Zhang Qiang <qiang.zhang@windriver.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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>
If processing recovered log intent items fails, we need to cancel all
the unprocessed recovered items immediately so that a subsequent AIL
push in the bail out path won't get wedged on the pinned intent items
that didn't get processed.
This can happen if the log contains (1) an intent that gets and releases
an inode, (2) an intent that cannot be recovered successfully, and (3)
some third intent item. When recovery of (2) fails, we leave (3) pinned
in memory. Inode reclamation is called in the error-out path of
xfs_mountfs before xfs_log_cancel_mount. Reclamation calls
xfs_ail_push_all_sync, which gets stuck waiting for (3).
Therefore, call xlog_recover_cancel_intents if _process_intents fails.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
To servers which do not support directory leases (e.g. Samba)
it is wasteful to try to open_shroot (ie attempt to cache the
root directory handle). Skip attempt to open_shroot when
server does not indicate support for directory leases.
Cuts the number of requests on mount from 17 to 15, and
cuts the number of requests on stat of the root directory
from 4 to 3.
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org> # v5.1+
When mounting with modefromsid mount option, it was possible to
get the error on stat of a fifo or char or block device:
"cannot stat <filename>: Operation not supported"
Special devices can be stored as reparse points by some servers
(e.g. Windows NFS server and when using the SMB3.1.1 POSIX
Extensions) but when the modefromsid mount option is used
the client attempts to get the ACL for the file which requires
opening with OPEN_REPARSE_POINT create option.
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Can be helpful in debugging mount and reconnect issues
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
TCP server info field server->total_read is modified in parallel by
demultiplex thread and decrypt offload worker thread. server->total_read
is used in calculation to discard the remaining data of PDU which is
not read into memory.
Because of parallel modification, server->total_read can get corrupted
and can result in discarding the valid data of next PDU.
Signed-off-by: Rohith Surabattula <rohiths@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
CC: Stable <stable@vger.kernel.org> #5.4+
Signed-off-by: Steve French <stfrench@microsoft.com>
Clear linked_timeout for next requests in __io_queue_sqe() so we won't
queue it up unnecessary when it's going to be punted.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Cc: stable@vger.kernel.org # v5.9
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- 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
...
In commit fe341eb151ec, I forgot that xfs_free_file_space isn't strictly
a "remove mapped blocks" function. It is actually a function to zero
file space by punching out the middle and writing zeroes to the
unaligned ends of the specified range. Therefore, putting a rtextsize
alignment check in that function is wrong because that breaks unaligned
ZERO_RANGE on the realtime volume.
Furthermore, xfs_file_fallocate already has alignment checks for the
functions require the file range to be aligned to the size of a
fundamental allocation unit (which is 1 FSB on the data volume and 1 rt
extent on the realtime volume). Create a new helper to check fallocate
arguments against the realtiem allocation unit size, fix the fallocate
frontend to use it, fix free_file_space to delete the correct range, and
remove a now redundant check from insert_file_space.
NOTE: The realtime extent size is not required to be a power of two!
Fixes: fe341eb151ec ("xfs: ensure that fpunch, fcollapse, and finsert operations are aligned to rt extent size")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
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: 3ac3711adb88 ("NFSD: Fix NFS server build errors")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This one was missed in the earlier conversion, should be included like
any of the other IO identity flags. Make sure we restore to RLIM_INIFITY
when dropping the personality again.
Fixes: 98447d65b4a7 ("io_uring: move io identity items into separate struct")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
And read these in __get_log_header() from the log header.
Also make gfs2_statfs_change_out() non-static so it can be used
outside of super.c
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
The gfs2_glock structure has a gl_vm member, introduced in commit 7005c3e4ae428
("GFS2: Use range based functions for rgrp sync/invalidation"), which stores
the location of resource groups within their address space. This structure is
in a union with iopen glock specific fields. It was introduced because at
unmount time, the resource group objects were destroyed before flushing out any
pending resource group glock work, and flushing out such work could require
flushing / truncating the address space.
Since commit b3422cacdd7e6 ("gfs2: Rework how rgrp buffer_heads are managed"),
any pending resource group glock work is flushed out before destroying the
resource group objects. So the resource group objects will now always exist in
rgrp_go_sync and rgrp_go_inval, and we now simply compute the gl_vm values
where needed instead of caching them. This also eliminates the union.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Only initialize gl_delete for iopen glocks, but more importantly, only access
it for iopen glocks in flush_delete_work: flush_delete_work is called for
different types of glocks including rgrp glocks, and those use gl_vm which is
in a union with gl_delete. Without this fix, we'll end up clobbering gl_vm,
which results in general memory corruption.
Fixes: a0e3cc65fa29 ("gfs2: Turn gl_delete into a delayed work")
Cc: stable@vger.kernel.org # v5.8+
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
The comments before function glock_hash_walk had the wrong name and
an extra parameter. This simply fixes the comments.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
