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Move the code that adds the incore xfs_extent_free_item deferred work
data to a transaction to live with the EFI log item code. This means
that the allocator code no longer has to know about the inner workings
of the EFI log items.
As a consequence, we can get rid of the _{get,put}_group helpers.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
xfs_free_extent_later can handle the extra AGFL special casing with
very little extra logic.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
The bno/len verification is already done by the calls to
xfs_verify_rtbext / xfs_verify_fsbext, and reporting a corruption error
seem like the better handling than tripping an assert anyway.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Factor out a helper to add an extent to and EFD instead of duplicating
the logic in two places.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reuse xfs_extent_free_cancel_item to put the AG/RTG and free the item in
a few places that currently open code the logic.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Add a helper to translate from the item list head to the
xfs_extent_free_item structure and use it so shorten assignments
and avoid the need for extra local variables.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
All callers of xfs_perag_intent_get have a fsbno and need boilerplate
code to turn that into an agno. Just pass the fsbno to
xfs_perag_intent_get and look up the agno there.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Convert the boolean to skip discard on free into a proper flags field so
that we can add more flags in the next patch.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Pass the incore EFI structure to the tracepoints instead of open-coding
the argument passing. This cleans up the call sites a bit.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Currently, the XFS_SB_CRC_OFF macro uses the incore superblock struct
(xfs_sb) to compute the address of sb_crc within the ondisk superblock
struct (xfs_dsb). This is a landmine if we ever change the layout of
the incore superblock (as we're about to do), so redefine the macro
to use xfs_dsb to compute the layout of xfs_dsb.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Get rid of the largely pointless xfs_cross_rename and xfs_finish_rename
now that we've refactored its parent.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Move the directory entry update hook code to xfs_dir2 so that it is
mostly consolidated with the higher level directory functions. Retain
the exports so that online fsck can still send notifications through the
hooks.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a new libxfs function to rename two directory entries. The
upcoming metadata directory feature will need this to replace a metadata
inode directory entry.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a new libxfs function to exchange two directory entries.
The upcoming metadata directory feature will need this to replace a
metadata inode directory entry.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a new libxfs function to remove a (name, inode) entry from a
directory. The upcoming metadata directory feature will need this to
create a metadata directory tree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a libxfs helper function that marks an inode free on disk.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a new libxfs function to link an existing inode into a directory.
The upcoming metadata directory feature will need this to create a
metadata directory tree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a new libxfs function to link a newly created inode into a
directory. The upcoming metadata directory feature will need this to
create a metadata directory tree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
INIT_XATTRS is overloaded here -- it's set during the creat process when
we think that we're immediately going to set some ACL xattrs to save
time. However, it's also used by the parent pointers code to enable the
attr fork in preparation to receive ppptr xattrs. This results in
xfs_has_parent() branches scattered around the codebase to turn on
INIT_XATTRS.
Linkable files are created far more commonly than unlinkable temporary
files or directory tree roots, so we should centralize this logic in
xfs_inode_init. For the three callers that don't want parent pointers
(online repiar tempfiles, unlinkable tempfiles, rootdir creation) we
provide an UNLINKABLE flag to skip attr fork initialization.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Create a helper that calls dqalloc to allocate and grab a reference to
dquots for the user, group, and project ids listed in an icreate
structure. This simplifies the creat-related dqalloc callsites
scattered around the code base.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Move the initialization of the xfs_icreate_args structure out of
xfs_create and xfs_create_tempfile into their callers so that we can set
the new inode's attributes in one place and pass that through instead of
open coding the collection of attributes all over the code.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Move all the code that initializes a new inode's attributes from the
icreate_args structure and the parent directory into libxfs.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
There are two parts to initializing a newly allocated inode: setting up
the incore structures, and initializing the new inode core based on the
parent inode and the current user's environment. The initialization
code is not specific to the kernel, so we would like to share that with
userspace by hoisting it to libxfs. Therefore, split xfs_icreate into
separate functions to prepare for the next few patches.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Use xfs_trans_ichgtime to set the inode times when allocating an inode,
instead of open-coding them here.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Enable xfs_trans_ichgtime to change the inode access time so that we can
use this function to set inode times when allocating inodes instead of
open-coding it.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Callers that want to create an inode currently pass all possible file
attribute values for the new inode into xfs_init_new_inode as ten
separate parameters. This causes two code maintenance issues: first, we
have large multi-line call sites which programmers must read carefully
to make sure they did not accidentally invert a value. Second, all
three file id parameters must be passed separately to the quota
functions; any discrepancy results in quota count errors.
Clean this up by creating a new icreate_args structure to hold all this
information, some helpers to initialize them properly, and make the
callers pass this structure through to the creation function, whose name
we shorten to xfs_icreate. This eliminates the issues, enables us to
keep the inode init code in sync with userspace via libxfs, and is
needed for future metadata directory tree management.
(A subsequent cleanup will also fix the quota alloc calls.)
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Hoist the inode flag conversion functions into libxfs so that we can
keep them in sync. Do this by creating a new xfs_inode_util.c file in
libxfs.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Move the extent size helpers to xfs_bmap.c in libxfs since they're used
there already.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Move these inode predicate functions to xfs_inode.[ch] since they're not
reflink functions.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
I noticed that callers of xfs_qm_vop_dqalloc use the following code to
compute the anticipated uid of the new file:
mapped_fsuid(idmap, &init_user_ns);
whereas the VFS uses a slightly different computation for actually
assigning i_uid:
mapped_fsuid(idmap, i_user_ns(inode));
Technically, these are not the same things. According to Christian
Brauner, the only time that inode->i_sb->s_user_ns != &init_user_ns is
when the filesystem was mounted in a new mount namespace by an
unpriviledged user. XFS does not allow this, which is why we've never
seen bug reports about quotas being incorrect or the uid checks in
xfs_qm_vop_create_dqattach tripping debug assertions.
However, this /is/ a logic bomb, so let's make the code consistent.
Link: https://lore.kernel.org/linux-fsdevel/20240617-weitblick-gefertigt-4a41f37119fa@brauner/
Fixes: c14329d39f2d ("fs: port fs{g,u}id helpers to mnt_idmap")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
generic/388 has an annoying tendency to fail like this during log
recovery:
XFS (sda4): Unmounting Filesystem 435fe39b-82b6-46ef-be56-819499585130
XFS (sda4): Mounting V5 Filesystem 435fe39b-82b6-46ef-be56-819499585130
XFS (sda4): Starting recovery (logdev: internal)
00000000: 49 4e 81 b6 03 02 00 00 00 00 00 07 00 00 00 07 IN..............
00000010: 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 10 ................
00000020: 35 9a 8b c1 3e 6e 81 00 35 9a 8b c1 3f dc b7 00 5...>n..5...?...
00000030: 35 9a 8b c1 3f dc b7 00 00 00 00 00 00 3c 86 4f 5...?........<.O
00000040: 00 00 00 00 00 00 02 f3 00 00 00 00 00 00 00 00 ................
00000050: 00 00 1f 01 00 00 00 00 00 00 00 02 b2 74 c9 0b .............t..
00000060: ff ff ff ff d7 45 73 10 00 00 00 00 00 00 00 2d .....Es........-
00000070: 00 00 07 92 00 01 fe 30 00 00 00 00 00 00 00 1a .......0........
00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00000090: 35 9a 8b c1 3b 55 0c 00 00 00 00 00 04 27 b2 d1 5...;U.......'..
000000a0: 43 5f e3 9b 82 b6 46 ef be 56 81 94 99 58 51 30 C_....F..V...XQ0
XFS (sda4): Internal error Bad dinode after recovery at line 539 of file fs/xfs/xfs_inode_item_recover.c. Caller xlog_recover_items_pass2+0x4e/0xc0 [xfs]
CPU: 0 PID: 2189311 Comm: mount Not tainted 6.9.0-rc4-djwx #rc4
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20171121_152543-x86-ol7-builder-01.us.oracle.com-4.el7.1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x4f/0x60
xfs_corruption_error+0x90/0xa0
xlog_recover_inode_commit_pass2+0x5f1/0xb00
xlog_recover_items_pass2+0x4e/0xc0
xlog_recover_commit_trans+0x2db/0x350
xlog_recovery_process_trans+0xab/0xe0
xlog_recover_process_data+0xa7/0x130
xlog_do_recovery_pass+0x398/0x840
xlog_do_log_recovery+0x62/0xc0
xlog_do_recover+0x34/0x1d0
xlog_recover+0xe9/0x1a0
xfs_log_mount+0xff/0x260
xfs_mountfs+0x5d9/0xb60
xfs_fs_fill_super+0x76b/0xa30
get_tree_bdev+0x124/0x1d0
vfs_get_tree+0x17/0xa0
path_mount+0x72b/0xa90
__x64_sys_mount+0x112/0x150
do_syscall_64+0x49/0x100
entry_SYSCALL_64_after_hwframe+0x4b/0x53
</TASK>
XFS (sda4): Corruption detected. Unmount and run xfs_repair
XFS (sda4): Metadata corruption detected at xfs_dinode_verify.part.0+0x739/0x920 [xfs], inode 0x427b2d1
XFS (sda4): Filesystem has been shut down due to log error (0x2).
XFS (sda4): Please unmount the filesystem and rectify the problem(s).
XFS (sda4): log mount/recovery failed: error -117
XFS (sda4): log mount failed
This inode log item recovery failing the dinode verifier after
replaying the contents of the inode log item into the ondisk inode.
Looking back into what the kernel was doing at the time of the fs
shutdown, a thread was in the middle of running a series of
transactions, each of which committed changes to the inode.
At some point in the middle of that chain, an invalid (at least
according to the verifier) change was committed. Had the filesystem not
shut down in the middle of the chain, a subsequent transaction would
have corrected the invalid state and nobody would have noticed. But
that's not what happened here. Instead, the invalid inode state was
committed to the ondisk log, so log recovery tripped over it.
The actual defect here was an overzealous inode verifier, which was
fixed in a separate patch. This patch adds some transaction precommit
functions for CONFIG_XFS_DEBUG=y mode so that we can detect these kinds
of transient errors at transaction commit time, where it's much easier
to find the root cause.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Implement FITRIM for the realtime device by pretending that it's
"space" immediately after the data device. We have to hold the
rtbitmap ILOCK while the discard operations are ongoing because there's
no busy extent tracking for the rt volume to prevent reallocations.
Cc: Konst Mayer <cdlscpmv@gmail.com>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Following warning is reported, so remove these duplicated header
including:
./fs/xfs/libxfs/xfs_trans_resv.c: xfs_da_format.h is included more than once.
./fs/xfs/scrub/quota_repair.c: xfs_format.h is included more than once.
./fs/xfs/xfs_handle.c: xfs_da_btree.h is included more than once.
./fs/xfs/xfs_qm_bhv.c: xfs_mount.h is included more than once.
./fs/xfs/xfs_trace.c: xfs_bmap.h is included more than once.
This is just a clean code, no logic changed.
Signed-off-by: Wenchao Hao <haowenchao22@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Now that the page fault handler has been refactored, the only caller
of xfs_ilock_for_write_fault is simple enough and calls it
unconditionally. Fold the logic and expand the comments explaining it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
After the previous refactoring, xfs_dax_fault is now never used for write
faults, so don't bother with the xfs_ilock_for_write_fault logic to
protect against writes when remapping is in progress.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Split the write fault and DAX fault handling into separate helpers
so that the main fault handler is easier to follow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Replace the separate stub with an IS_ENABLED check, and take the call to
dax_finish_sync_fault into xfs_dax_fault instead of leaving it in the
caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Move the relock path out of the straight line and add a comment
explaining why it exists.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
About half of xfs_ilock_for_iomap deals with a special case for direct
I/O writes to COW files that need to take the ilock exclusively. Move
this code into the one callers that cares and simplify
xfs_ilock_for_iomap.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
This adds sanity checks for xfs_dir2_data_unused and xfs_dir2_data_entry
to make sure don't stray beyond valid memory region. Before patching, the
loop simply checks that the start offset of the dup and dep is within the
range. So in a crafted image, if last entry is xfs_dir2_data_unused, we
can change dup->length to dup->length-1 and leave 1 byte of space. In the
next traversal, this space will be considered as dup or dep. We may
encounter an out of bound read when accessing the fixed members.
In the patch, we make sure that the remaining bytes large enough to hold
an unused entry before accessing xfs_dir2_data_unused and
xfs_dir2_data_unused is XFS_DIR2_DATA_ALIGN byte aligned. We also make
sure that the remaining bytes large enough to hold a dirent with a
single-byte name before accessing xfs_dir2_data_entry.
Signed-off-by: lei lu <llfamsec@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
There is a lack of verification of the space occupied by fixed members
of xlog_op_header in the xlog_recover_process_data.
We can create a crafted image to trigger an out of bounds read by
following these steps:
1) Mount an image of xfs, and do some file operations to leave records
2) Before umounting, copy the image for subsequent steps to simulate
abnormal exit. Because umount will ensure that tail_blk and
head_blk are the same, which will result in the inability to enter
xlog_recover_process_data
3) Write a tool to parse and modify the copied image in step 2
4) Make the end of the xlog_op_header entries only 1 byte away from
xlog_rec_header->h_size
5) xlog_rec_header->h_num_logops++
6) Modify xlog_rec_header->h_crc
Fix:
Add a check to make sure there is sufficient space to access fixed members
of xlog_op_header.
Signed-off-by: lei lu <llfamsec@gmail.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
The RT extent range must be considered in the xfs_flush_unmap_range() call
to stabilize the boundary.
This code change is originally from Dave Chinner.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Currently xfs_flush_unmap_range() does unmap for a full RT extent range,
which we also want to ensure is clean and idle.
This code change is originally from Dave Chinner.
Reviewed-by: Christoph Hellwig <hch@lst.de>4
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Currently AGFL blocks can be filled from the following three sources:
- allocbt free blocks, as in xfs_allocbt_free_block();
- rmapbt free blocks, as in xfs_rmapbt_free_block();
- refilled from freespace btrees, as in xfs_alloc_fix_freelist().
Originally, allocbt free blocks would be marked as stale only when they
put back in the general free space pool as Dave mentioned on IRC, "we
don't stale AGF metadata btree blocks when they are returned to the
AGFL .. but once they get put back in the general free space pool, we
have to make sure the buffers are marked stale as the next user of
those blocks might be user data...."
However, after commit ca250b1b3d71 ("xfs: invalidate allocbt blocks
moved to the free list") and commit edfd9dd54921 ("xfs: move buffer
invalidation to xfs_btree_free_block"), even allocbt / bmapbt free
blocks will be invalidated immediately since they may fail to pass
V5 format validation on writeback even writeback to free space would be
safe.
IOWs, IMHO currently there is actually no difference of free blocks
between AGFL freespace pool and the general free space pool. So let's
avoid extra redundant AGFL buffer invalidation, since otherwise we're
currently facing unnecessary xfs_log_force() due to xfs_trans_binval()
again on buffers already marked as stale before as below:
[ 333.507469] Call Trace:
[ 333.507862] xfs_buf_find+0x371/0x6a0 <- xfs_buf_lock
[ 333.508451] xfs_buf_get_map+0x3f/0x230
[ 333.509062] xfs_trans_get_buf_map+0x11a/0x280
[ 333.509751] xfs_free_agfl_block+0xa1/0xd0
[ 333.510403] xfs_agfl_free_finish_item+0x16e/0x1d0
[ 333.511157] xfs_defer_finish_noroll+0x1ef/0x5c0
[ 333.511871] xfs_defer_finish+0xc/0xa0
[ 333.512471] xfs_itruncate_extents_flags+0x18a/0x5e0
[ 333.513253] xfs_inactive_truncate+0xb8/0x130
[ 333.513930] xfs_inactive+0x223/0x270
xfs_log_force() will take tens of milliseconds with AGF buffer locked.
It becomes an unnecessary long latency especially on our PMEM devices
with FSDAX enabled and fsops like xfs_reflink_find_shared() at the same
time are stuck due to the same AGF lock. Removing the double
invalidation on the AGFL blocks does not make this issue go away, but
this patch fixes for our workloads in reality and it should also work
by the code analysis.
Note that I'm not sure I need to remove another redundant one in
xfs_alloc_ag_vextent_small() since it's unrelated to our workloads.
Also fstests are passed with this patch.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
* Always free only post-EOF delayed allocations for files with the
XFS_DIFLAG_PREALLOC or APPEND flags set.
* Do not align cow fork delalloc to cowextsz hint when running low on space.
* Allow zero-size symlinks and directories as long as the link count is
zero.
* Change XFS_IOC_EXCHANGE_RANGE to be a _IOW only ioctl. This was ioctl was
introduced during v6.10 developement cycle.
* xfs_init_new_inode() now creates an attribute fork on a newly created
inode even if ATTR feature flag is not enabled.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.10-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Always free only post-EOF delayed allocations for files with the
XFS_DIFLAG_PREALLOC or APPEND flags set.
- Do not align cow fork delalloc to cowextsz hint when running low on
space.
- Allow zero-size symlinks and directories as long as the link count is
zero.
- Change XFS_IOC_EXCHANGE_RANGE to be a _IOW only ioctl. This was ioctl
was introduced during v6.10 developement cycle.
- xfs_init_new_inode() now creates an attribute fork on a newly created
inode even if ATTR feature flag is not enabled.
* tag 'xfs-6.10-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: honor init_xattrs in xfs_init_new_inode for !ATTR fs
xfs: fix direction in XFS_IOC_EXCHANGE_RANGE
xfs: allow unlinked symlinks and dirs with zero size
xfs: restrict when we try to align cow fork delalloc to cowextsz hints
xfs: fix freeing speculative preallocations for preallocated files
- Due to a late review, revert and re-fix a recent crasher fix
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Merge tag 'nfsd-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Due to a late review, revert and re-fix a recent crasher fix
* tag 'nfsd-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
Revert "nfsd: fix oops when reading pool_stats before server is started"
nfsd: initialise nfsd_info.mutex early.
simple stuff:
- null ptr/err ptr deref fixes
- fix for getting wedged on shutdown after journal error
- fix missing recalc_capacity() call, capacity now changes correctly
after a device goes read only
however: our capacity calculation still doesn't take into account when
we have mixed ro/rw devices and the ro devices have data on them,
that's going to be a more involved fix to separate accounting for
"capacity used on ro devices" and "capacity used on rw devices"
- boring syzbot stuff
slightly more involved:
- discard, invalidate workers are now per device
this has the effect of simplifying how we take device refs in these
paths, and the device ref cleanup fixes a longstanding race between
the device removal path and the discard path
- fixes for how the debugfs code takes refs on btree_trans objects
we have debugfs code that prints in use btree_trans objects. It uses
closure_get() on trans->ref, which is mainly for the cycle detector,
but the debugfs code was using it on a closure that may have hit 0,
which is not allowed; for performance reasons we cannot avoid having
not-in-use transactions on the global list.
introduce some new primitives to fix this and make the synchronization
here a whole lot saner
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Merge tag 'bcachefs-2024-06-28' of https://evilpiepirate.org/git/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Simple stuff:
- NULL ptr/err ptr deref fixes
- fix for getting wedged on shutdown after journal error
- fix missing recalc_capacity() call, capacity now changes correctly
after a device goes read only
however: our capacity calculation still doesn't take into account
when we have mixed ro/rw devices and the ro devices have data on
them, that's going to be a more involved fix to separate accounting
for "capacity used on ro devices" and "capacity used on rw devices"
- boring syzbot stuff
Slightly more involved:
- discard, invalidate workers are now per device
this has the effect of simplifying how we take device refs in these
paths, and the device ref cleanup fixes a longstanding race between
the device removal path and the discard path
- fixes for how the debugfs code takes refs on btree_trans objects we
have debugfs code that prints in use btree_trans objects.
It uses closure_get() on trans->ref, which is mainly for the cycle
detector, but the debugfs code was using it on a closure that may
have hit 0, which is not allowed; for performance reasons we cannot
avoid having not-in-use transactions on the global list.
Introduce some new primitives to fix this and make the
synchronization here a whole lot saner"
* tag 'bcachefs-2024-06-28' of https://evilpiepirate.org/git/bcachefs:
bcachefs: Fix kmalloc bug in __snapshot_t_mut
bcachefs: Discard, invalidate workers are now per device
bcachefs: Fix shift-out-of-bounds in bch2_blacklist_entries_gc
bcachefs: slab-use-after-free Read in bch2_sb_errors_from_cpu
bcachefs: Add missing bch2_journal_do_writes() call
bcachefs: Fix null ptr deref in journal_pins_to_text()
bcachefs: Add missing recalc_capacity() call
bcachefs: Fix btree_trans list ordering
bcachefs: Fix race between trans_put() and btree_transactions_read()
closures: closure_get_not_zero(), closure_return_sync()
bcachefs: Make btree_deadlock_to_text() clearer
bcachefs: fix seqmutex_relock()
bcachefs: Fix freeing of error pointers
