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Unify naming of return value to the preferred way.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way, move the variable to
the closest scope.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way, move the variable to
the closest scope.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unify naming of return value to the preferred way, move the variable to
the closest scope.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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With the incoming large data folios support, the structure name
btrfs_subpage is no longer correct, as for we can have multiple blocks
inside a large folio, and the block size is still page size.
So to follow the schema of iomap, rename btrfs_subpage to
btrfs_folio_state, along with involved enums.
There are still exported functions with "btrfs_subpage_" prefix, and I
believe for metadata the name "subpage" will stay forever as we will
never allocate a folio larger than nodesize anyway.
The full cleanup of the word "subpage" will happen in much smaller steps
in the future.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Unlike the iomap_folio_state structure, the btrfs_subpage structure has a
lot of extra sub-bitmaps, namely:
- writeback sub-bitmap
- locked sub-bitmap
iomap_folio_state uses an atomic for writeback tracking, while it has
no per-block locked tracking.
This is because iomap always locks a single folio, and submits dirty
blocks with that folio locked.
But btrfs has async delalloc ranges (for compression), which are queued
with their range locked, until the compression is done, then marks the
involved range writeback and unlocked.
This means a range can be unlocked and marked writeback at seemingly
random timing, thus it needs the extra tracking.
This needs a huge rework on the lifespan of async delalloc range
before we can remove/simplify these two sub-bitmaps.
- ordered sub-bitmap
- checked sub-bitmap
These are for COW-fixup, but as I mentioned in the past, the COW-fixup
is not really needed anymore and these two flags are already marked
deprecated, and will be removed in the near future after comprehensive
tests.
Add related comments to indicate we're actively trying to align the
sub-bitmaps to the iomap ones.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Btrfs happily but incorrectly accepts the `-o compress=zlib+foo` and similar
options with any random suffix.
Fix that by explicitly checking the end of the strings.
Signed-off-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There are many options making the parsing a bit lengthy. Factor the
compress options out into a helper function. The next patch is going to
harden this function.
Signed-off-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Another batch of pointer parameter constifications. This is for clarity
and minor addition to type safety. There are no observable effects in the
assembly code and .ko measured on release config.
Signed-off-by: David Sterba <dsterba@suse.com>
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When debugging/detecting outlier commit stalls, having an indicator that
we are currently in a long commit critical section can be very useful.
Extend the commit_stats sysfs file to also include the current commit
critical section duration.
Since this requires storing the last commit start time, use that rather
than a separate stack variable for storing the finished commit durations
as well.
This also requires slightly moving up the timing of the stats updating
to *inside* the critical section to avoid the transaction T+1 setting
the critical_section_start_time to 0 before transaction T can update its
stats, which would trigger the new ASSERT. This is an improvement in and
of itself, as it makes the stats more accurately represent the true
critical section time. It may be yet better to pull the stats up to where
start_transaction gets unblocked, rather than the next commit, but this
seems like a good enough place as well.
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Replace struct embedding with union to enable safe type conversion in
btrfs_backref_node, tree_block and mapping_node.
Adjust function calls to use the new unified API, eliminating redundant
parameters.
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Use the rb-tree helper so we don't open code the search and insert
code.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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mkfs.btrfs up to v4.14 actually can leave a chunk inside the reserved
space when invoked with `-m single`, fixed by 997f9977c24397eb6980bb9
("mkfs: Prevent temporary system chunk to use space in reserved 1M
range") released with v4.15.
Signed-off-by: Dan Johnson <ComputerDruid@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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btrfs_backref_link_edge() is always called with the LINK_LOWER argument.
We can simplify it and remove the LINK_LOWER and LINK_UPPER macros
completely.
The last call with LINK_UPPER was removed with commit 0097422c0dfe0a
("btrfs: remove clone_backref_node() from relocation").
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have a common error path where we abort the transaction, but like this
in case we get a transaction abort stack trace we don't know exactly which
previous function call failed. Instead abort the transaction after any
function call that returns an error, so that we can easily identify which
function failed.
Reviewed-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have a common error path where we abort the transaction, but like this
in case we get a transaction abort stack trace we don't know exactly which
previous function call failed. Instead abort the transaction after any
function call that returns an error, so that we can easily identify which
function failed.
Reviewed-by: Daniel Vacek <neelx@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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If we find an unexpected generation for the extent buffer we are cloning
at btrfs_copy_root(), we just WARN_ON() and don't error out and abort the
transaction, meaning we allow to persist metadata with an unexpected
generation. Instead of warning only, abort the transaction and return
-EUCLEAN.
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Instead of having a common btrfs_abort_transaction() call for when any of
the two btrfs_inc_ref() calls fail, move the btrfs_abort_transaction() to
happen immediately after each one of the calls, so that when analyzing a
stack trace with a transaction abort we know which call failed.
Reviewed-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Transaction aborts should be done next to the place the error happens,
which was not done in add_block_group_free_space().
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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remove_block_group_free_space()
Transaction aborts should be done next to the place the error happens,
which was not done in remove_block_group_free_space().
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have this fuzzy logic at btrfs_recover_log_trees() where we don't
abort the transaction and exit immediately after each function call that
returned an error, and instead have if-then-else logic or check if the
previous function call returned success before calling the next function.
Make the flow more straightforward by immediately aborting the transaction
and exiting after each function call failure. This also allows to avoid
two consecutive if statements that test the same conditions:
if (!ret && wc.stage == LOG_WALK_REPLAY_ALL) {
(...)
}
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There's no need to call btrfs_release_path() before calling
btrfs_init_root_free_objectid() as we have released the path already at
the top of the loop and the previous call to fixup_inode_link_counts()
also releases the path. So remove it to simplify the code.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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If we failed walking a log tree during replay, we have a missing
transaction abort to prevent committing a transaction where we didn't
fully replay all the changes from a log tree and therefore can leave the
respective subvolume tree in some inconsistent state. So add the missing
transaction abort.
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We have a single line doing a transaction abort in case either we got an
error from btrfs_get_fs_root() different from -ENOENT or we got an error
from btrfs_pin_extent_for_log_replay(), making it hard to figure out which
function call failed when looking at a transaction abort massages and
stack trace in dmesg. Change this to have an explicit transaction abort
for each one of the two cases.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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btrfs_should_periodic_reclaim() is not used outside of space-info.c so
make it static and remove the prototype from space-info.h.
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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When deciding if a zoned filesystem is reaching the threshold to reclaim
data block groups, look at the size of the filesystem not to potentially
total available size of all drives in the filesystem.
Especially if a filesystem was created with mkfs' -b option, constraining
it to only a portion of the block device, the numbers won't match and
potentially garbage collection is kicking in too late.
Fixes: 3687fcb0752a ("btrfs: zoned: make auto-reclaim less aggressive")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Tested-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Currently, if any error occurs during ath12k_dp_rx_peer_tid_setup(),
the tid value is already incremented, even though the corresponding
TID is not actually allocated. Proceed to
ath12k_dp_rx_peer_tid_delete() starting from unallocated tid,
which might leads to freeing unallocated TID and cause potential
crash or out-of-bounds access.
Hence, fix by correctly decrementing tid before cleanup to match only
the successfully allocated TIDs.
Also, remove tid-- from failure case of ath12k_dp_rx_peer_frag_setup(),
as decrementing the tid before cleanup in loop will take care of this.
Compile tested only.
Signed-off-by: Sarika Sharma <quic_sarishar@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250721061749.886732-1-quic_sarishar@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Due to the restrict in MAC80211 that DFS (Dynamic Frequency Selection)
can't be enabled on multiple channels, commit 176f3009ae59 ("wifi: ath12k:
support 2 channels for single pdev device") removes DFS support in order
to support 2 channels concurrently, making AP mode not working on DFS
channels [1].
Revert portions of that commit to bring DFS back, and add a new
combination to support 2-channels concurrency. This is valid because the
MAC80211 restrict works on each individual combination, but does not care
about them as a whole, as far as DFS is concerned.
This change applies to WCN7850 only, other chips are not affected.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284.1-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: 176f3009ae59 ("wifi: ath12k: support 2 channels for single pdev device")
Reported-by: Mihai Moldovan <ionic@ionic.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220346 # 1
Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Tested-by: Mihai Moldovan <ionic@ionic.de>
Link: https://patch.msgid.link/20250721-ath12k-dfs-v1-1-065c31454f91@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Prefer {} to {0} in initializers since {} works even when the first
member is not a scalar.
Generated using:
sed -i 's/{[[:space:]]*0[[:space:]]*}/{}/g' drivers/net/wireless/ath/ath12k/*
Compile tested only.
Link: https://patch.msgid.link/20250720-ath12k-zero-brace-v1-1-d8c8ca9d40a8@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Prefer {} to {0} in initializers since {} works even when the first
member is not a scalar.
Generated using:
sed -i 's/{[[:space:]]*0[[:space:]]*}/{}/g' drivers/net/wireless/ath/ath11k/*
Compile tested only.
Link: https://patch.msgid.link/20250720-ath11k-zero-brace-v1-1-6132e2ef1748@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Prefer {} to {0} in initializers since {} works even when the first
member is not a scalar.
Generated using:
sed -i 's/{[[:space:]]*0[[:space:]]*}/{}/g' drivers/net/wireless/ath/ath10k/*
Compile tested only.
Link: https://patch.msgid.link/20250720-ath10k-zero-brace-v1-1-c1ee818d6238@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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As ktest.pl can run in various different directories, to make sure the
test is running in the proper directory with the proper source and proper
destination directory, display the content of BUILD_DIR and OUTPUT_DIR at
the start of every test.
This can be helpful for the test runner to stop the test if a test is
running in the wrong location instead of finding out after the test has
completed.
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.898022631@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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If a default variable contains itself, do not recurse on it.
For example:
ADD_CONFIG := ${CONFIG_DIR}/temp_config
DEFAULTS
ADD_CONFIG = ${CONFIG_DIR}/default_config ${ADD_CONFIG}
The above works because the temp variable ADD_CONFIG (is a temp because it
is created with ":=") is already defined, it will be substituted in the
variable option. But if it gets commented out:
# ADD_CONFIG := ${CONFIG_DIR}/temp_config
DEFAULTS
ADD_CONFIG = ${CONFIG_DIR}/default_config ${ADD_CONFIG}
Then the above will go into a recursive loop where ${ADD_CONFIG} will
get replaced with the current definition of ADD_CONFIG which contains the
${ADD_CONFIG} and that will also try to get converted. ktest.pl will error
after 100 attempts of recursion and fail.
When replacing a variable with the default variable, if the default
variable contains itself, do not replace it.
Cc: "John Warthog9 Hawley" <warthog9@kernel.org>
Cc: Dhaval Giani <dhaval.giani@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250718202053.732189428@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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