xfs_bmap_set_attrforkoff is only used inside of xfs_bmap.c, so mark it
static.
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>
Variable busy is set to false, but this value is never read as it is
overwritten or not used later on, hence it is a redundant assignment
and can be removed.
Clean up the following clang-analyzer warning:
fs/xfs/libxfs/xfs_alloc.c:1679:2: warning: Value stored to 'busy' is
never read [clang-analyzer-deadcode.DeadStores].
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Variable 'xfs_agf_buf_ops', 'xfs_agi_buf_ops', 'xfs_dquot_buf_ops' and
'xfs_symlink_buf_ops' are declared twice, so sort these variables
alphabetically and remove the repeated declaration.
Cc: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Almost unused, gets rid of another typedef.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Unlinked lists are held in the perag, and freeing of inodes needs to
be passed a perag, too, so look up the perag early in the unlink
processing and use it throughout.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Because it's a mess.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Now that we've internalised the two-phase inode allocation, we can
now easily make the AG selection and allocation atomic from the
perspective of a single perag context. This will ensure AGs going
offline/away cannot occur between the selection and allocation
steps.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This is just a simple wrapper around the per-ag inode allocation
that doesn't need to exist. The internal mechanism to select and
allocate within an AG does not need to be exposed outside
xfs_ialloc.c, and it being exposed simply makes it harder to follow
the code and simplify it.
This is simplified by internalising xf_dialloc_select_ag() and
xfs_dialloc_ag() into a single xfs_dialloc() function and then
xfs_dir_ialloc() can go away.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
xfs_dialloc_select_ag() does a lot of repetitive work. It first
calls xfs_ialloc_ag_select() to select the AG to start allocation
attempts in, which can do up to two entire loops across the perags
that inodes can be allocated in. This is simply checking if there is
spce available to allocate inodes in an AG, and it returns when it
finds the first candidate AG.
xfs_dialloc_select_ag() then does it's own iterative walk across
all the perags locking the AGIs and trying to allocate inodes from
the locked AG. It also doesn't limit the search to mp->m_maxagi,
so it will walk all AGs whether they can allocate inodes or not.
Hence if we are really low on inodes, we could do almost 3 entire
walks across the whole perag range before we find an allocation
group we can allocate inodes in or report ENOSPC.
Because xfs_ialloc_ag_select() returns on the first candidate AG it
finds, we can simply do these checks directly in
xfs_dialloc_select_ag() before we lock and try to allocate inodes.
This reduces the inode allocation pass down to 2 perag sweeps at
most - one for aligned inode cluster allocation and if we can't
allocate full, aligned inode clusters anywhere we'll do another pass
trying to do sparse inode cluster allocation.
This also removes a big chunk of duplicate code.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
The only caller of xfs_dialloc_select_ag() will always return
-ENOSPC to it's caller if the agbp returned from
xfs_dialloc_select_ag() is NULL. IOWs, failure to find a candidate
AGI we can allocate inodes from is always an ENOSPC condition, so
move this logic up into xfs_dialloc_select_ag() so we can simplify
the return logic in this function.
xfs_dialloc_select_ag() now only ever returns 0 with a locked
agbp, or an error with no agbp.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Now that everything passes a perag, the agno is not needed anymore.
Convert all the users to use pag->pag_agno instead and remove the
agno from the cursor. This was largely done as an automated search
and replace.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Which will eventually completely replace the agno in it.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Needs a [from, to] ranged AG walk, and the perag to be stuffed into
the info structure for callouts to use.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
We currently pass an agno from the AG reservation functions to the
individual feature accounting functions, which in future may have to
do perag lookups to access per-AG state. Instead, pre-emptively
plumb the perag through from the highest AG reservation layer to the
feature callouts so they won't have to look it up again.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
All of the callers of the busy extent API either have perag
references available to use so we can pass a perag to the busy
extent functions rather than having them have to do unnecessary
lookups.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Clean up the last external manual AG walk.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Rather than manually walking the ags and passing agnunbers around,
pass the perag for the AG we are currently working on around in the
iwalk structure.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Convert the raw walks to an iterator, pulling the current AG out of
pag->pag_agno instead of the loop iterator variable.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
for_each_perag_tag() is defined in xfs_icache.c for local use.
Promote this to xfs_ag.h and define equivalent iteration functions
so that we can use them to iterate AGs instead to replace open coded
perag walks and perag lookups.
We also convert as many of the straight forward open coded AG walks
to use these iterators as possible. Anything that is not a direct
conversion to an iterator is ignored and will be updated in future
commits.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Move the xfs_perag infrastructure to the libxfs files that contain
all the per AG infrastructure. This helps set up for passing perags
around all the code instead of bare agnos with minimal extra
includes for existing files.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
The perag structures really need to be defined with the rest of the
AG support infrastructure. The struct xfs_perag and init/teardown
has been placed in xfs_mount.[ch] because there are differences in
the structure between kernel and userspace. Mainly that userspace
doesn't have a lot of the internal stuff that the kernel has for
caches and discard and other such structures.
However, it makes more sense to move this to libxfs than to keep
this separation because we are now moving to use struct perags
everywhere in the code instead of passing raw agnumber_t values
about. Hence we shoudl really move the support infrastructure to
libxfs/xfs_ag.[ch].
To do this without breaking userspace, first we need to rearrange
the structures and code so that all the kernel specific code is
located together. This makes it simple for userspace to ifdef out
the all the parts it does not need, minimising the code differences
between kernel and userspace. The next commit will do the move...
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
They are AG functions, not superblock functions, so move them to the
appropriate location.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
The superblock verifier already validates that (1 << blocklog) ==
blocksize, so use the value directly instead of doing math.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Replace some open-coded fs block unit conversions with the standard
conversion macro.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
We can use the helper function xfs_attr_node_remove_name to reduce
duplicate code in this function
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This function is no longer used, so it is safe to remove
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
This patch modifies the attr set routines to be delay ready. This means
they no longer roll or commit transactions, but instead return -EAGAIN
to have the calling routine roll and refresh the transaction. In this
series, xfs_attr_set_args has become xfs_attr_set_iter, which uses a
state machine like switch to keep track of where it was when EAGAIN was
returned. See xfs_attr.h for a more detailed diagram of the states.
Two new helper functions have been added: xfs_attr_rmtval_find_space and
xfs_attr_rmtval_set_blk. They provide a subset of logic similar to
xfs_attr_rmtval_set, but they store the current block in the delay attr
context to allow the caller to roll the transaction between allocations.
This helps to simplify and consolidate code used by
xfs_attr_leaf_addname and xfs_attr_node_addname. xfs_attr_set_args has
now become a simple loop to refresh the transaction until the operation
is completed. Lastly, xfs_attr_rmtval_remove is no longer used, and is
removed.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This patch modifies the attr remove routines to be delay ready. This
means they no longer roll or commit transactions, but instead return
-EAGAIN to have the calling routine roll and refresh the transaction. In
this series, xfs_attr_remove_args is merged with
xfs_attr_node_removename become a new function, xfs_attr_remove_iter.
This new version uses a sort of state machine like switch to keep track
of where it was when EAGAIN was returned. A new version of
xfs_attr_remove_args consists of a simple loop to refresh the
transaction until the operation is completed. A new XFS_DAC_DEFER_FINISH
flag is used to finish the transaction where ever the existing code used
to.
Calls to xfs_attr_rmtval_remove are replaced with the delay ready
version __xfs_attr_rmtval_remove. We will rename
__xfs_attr_rmtval_remove back to xfs_attr_rmtval_remove when we are
done.
xfs_attr_rmtval_remove itself is still in use by the set routines (used
during a rename). For reasons of preserving existing function, we
modify xfs_attr_rmtval_remove to call xfs_defer_finish when the flag is
set. Similar to how xfs_attr_remove_args does here. Once we transition
the set routines to be delay ready, xfs_attr_rmtval_remove is no longer
used and will be removed.
This patch also adds a new struct xfs_delattr_context, which we will use
to keep track of the current state of an attribute operation. The new
xfs_delattr_state enum is used to track various operations that are in
progress so that we know not to repeat them, and resume where we left
off before EAGAIN was returned to cycle out the transaction. Other
members take the place of local variables that need to retain their
values across multiple function calls. See xfs_attr.h for a more
detailed diagram of the states.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This patch basically hoists the node transaction handling around the
leaf code we just hoisted. This will helps setup this area for the
state machine since the goto is easily replaced with a state since it
ends with a transaction roll.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
This patch hoists xfs_attr_leaf_addname into the calling function. The
goal being to get all the code that will require state management into
the same scope. This isn't particularly aesthetic right away, but it is a
preliminary step to merging in the state machine code.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This patch hoists the later half of xfs_attr_node_addname into
the calling function. We do this because it is this area that
will need the most state management, and we want to keep such
code in the same scope as much as possible
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
This patch separates the first half of xfs_attr_node_addname into a
helper function xfs_attr_node_addname_find_attr. It also replaces the
restart goto with an EAGAIN return code driven by a loop in the calling
function. This looks odd now, but will clean up nicly once we introduce
the state machine. It will also enable hoisting the last state out of
xfs_attr_node_addname with out having to plumb in a "done" parameter to
know if we need to move to the next state or not.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
This patch separate xfs_attr_node_addname into two functions. This will
help to make it easier to hoist parts of xfs_attr_node_addname that need
state management
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This patch is actually the combination of patches from the previous
version (v18). Initially patch 3 hoisted xfs_attr_set_shortform, and
the next added the helper xfs_attr_set_fmt. xfs_attr_set_fmt is similar
the old xfs_attr_set_shortform. It returns 0 when the attr has been set
and no further action is needed. It returns -EAGAIN when shortform has
been transformed to leaf, and the calling function should proceed the
set the attr in leaf form.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
This patch pulls a new helper function xfs_attr_node_remove_name out
of xfs_attr_node_remove_step. This helps to modularize
xfs_attr_node_remove_step which will help make the delayed attribute
code easier to follow
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Originally we added this patch to help modularize the attr code in
preparation for delayed attributes and the state machine it requires.
However, later reviews found that this slightly alters the transaction
handling as the helper function is ambiguous as to whether the
transaction is diry or clean. This may cause a dirty transaction to be
included in the next roll, where previously it had not. To preserve the
existing code flow, we reverse apply this commit.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Rather than open coding it just before we call
_xfs_buf_free_pages(). Also, rename the function to
xfs_buf_free_pages() as the leading underscore has no useful
meaning.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Only called from one place now, so merge it into
xfs_buf_alloc_pages(). Because page array allocation is dependent on
bp->b_pages being null, always ensure that when the pages array is
freed we always set bp->b_pages to null.
Also convert the page array to use kmalloc() rather than
kmem_alloc() so we can use the gfp flags we've already calculated
for the allocation context instead of hard coding KM_NOFS semantics.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Because it's more efficient than allocating pages one at a time in a
loop.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Use the newly factored out page allocation code. This adds
automatic buffer zeroing for non-read uncached buffers.
This also allows us to greatly simply the error handling in
xfs_buf_get_uncached(). Because xfs_buf_alloc_pages() cleans up
partial allocation failure, we can just call xfs_buf_free() in all
error cases now to clean up after failures.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Based on a patch from Christoph Hellwig.
This splits out the heap allocation and page allocation portions of
the buffer memory allocation into two separate helper functions.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Pull i2c fixes from Wolfram Sang:
"This is a bit larger than usual at rc4 time. The reason is due to
Lee's work of fixing newly reported build warnings.
The rest is fixes as usual"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (22 commits)
MAINTAINERS: adjust to removing i2c designware platform data
i2c: s3c2410: fix possible NULL pointer deref on read message after write
i2c: mediatek: Disable i2c start_en and clear intr_stat brfore reset
i2c: i801: Don't generate an interrupt on bus reset
i2c: mpc: implement erratum A-004447 workaround
powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers
powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers
dt-bindings: i2c: mpc: Add fsl,i2c-erratum-a004447 flag
i2c: busses: i2c-stm32f4: Remove incorrectly placed ' ' from function name
i2c: busses: i2c-st: Fix copy/paste function misnaming issues
i2c: busses: i2c-pnx: Provide descriptions for 'alg_data' data structure
i2c: busses: i2c-ocores: Place the expected function names into the documentation headers
i2c: busses: i2c-eg20t: Fix 'bad line' issue and provide description for 'msgs' param
i2c: busses: i2c-designware-master: Fix misnaming of 'i2c_dw_init_master()'
i2c: busses: i2c-cadence: Fix incorrectly documented 'enum cdns_i2c_slave_mode'
i2c: busses: i2c-ali1563: File headers are not good candidates for kernel-doc
i2c: muxes: i2c-arb-gpio-challenge: Demote non-conformant kernel-doc headers
i2c: busses: i2c-nomadik: Fix formatting issue pertaining to 'timeout'
i2c: sh_mobile: Use new clock calculation formulas for RZ/G2E
i2c: I2C_HISI should depend on ACPI
...
- Fix addfd notification race condition (Sargun Dhillon)
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Merge tag 'seccomp-fixes-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fixes from Kees Cook:
"This fixes a hard-to-hit race condition in the addfd user_notif
feature of seccomp, visible since v5.9.
And a small documentation fix"
* tag 'seccomp-fixes-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
seccomp: Refactor notification handler to prepare for new semantics
Documentation: seccomp: Fix user notification documentation
I have a handful of RISC-V related fixes:
* A fix to avoid errors when the stack tracing code is tracing itself.
* A fix to resurrect the memtest= kernel command line argument on
RISC-V, which was briefly enabled during the merge window before a
refactoring disabled it.
* A build fix and some warning cleanups.
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Merge tag 'riscv-for-linus-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"A handful of RISC-V related fixes:
- avoid errors when the stack tracing code is tracing itself.
- resurrect the memtest= kernel command line argument on RISC-V,
which was briefly enabled during the merge window before a
refactoring disabled it.
- build fix and some warning cleanups"
* tag 'riscv-for-linus-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: kexec: Fix W=1 build warnings
riscv: kprobes: Fix build error when MMU=n
riscv: Select ARCH_USE_MEMTEST
riscv: stacktrace: fix the riscv stacktrace when CONFIG_FRAME_POINTER enabled
- Fix a bug where unmapping operations end earlier than expected, which
can cause chaos on multi-block directory and symlink shrink
operations.
- Fix an erroneous assert that can trigger if we try to transition a
bmap structure from btree format to extents format with zero extents.
This was exposed by xfs/538.
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Merge tag 'xfs-5.13-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"This week's pile mitigates some decades-old problems in how extent
size hints interact with realtime volumes, fixes some failures in
online shrink, and fixes a problem where directory and symlink
shrinking on extremely fragmented filesystems could fail.
The most user-notable change here is to point users at our (new) IRC
channel on OFTC. Freedom isn't free, it costs folks like you and me;
and if you don't kowtow, they'll expel everyone and take over your
channel. (Ok, ok, that didn't fit the song lyrics...)
Summary:
- Fix a bug where unmapping operations end earlier than expected,
which can cause chaos on multi-block directory and symlink shrink
operations.
- Fix an erroneous assert that can trigger if we try to transition a
bmap structure from btree format to extents format with zero
extents. This was exposed by xfs/538"
* tag 'xfs-5.13-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: bunmapi has unnecessary AG lock ordering issues
xfs: btree format inode forks can have zero extents
xfs: add new IRC channel to MAINTAINERS
xfs: validate extsz hints against rt extent size when rtinherit is set
xfs: standardize extent size hint validation
xfs: check free AG space when making per-AG reservations
Christoph Hellwig