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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Josef Bacik <josef@toxicpanda.com>,
	Filipe Manana <fdmanana@suse.com>,
	David Sterba <dsterba@suse.com>
Subject: [PATCH 5.4 014/152] btrfs: remove no longer needed use of log_writers for the log root tree
Date: Thu, 20 Aug 2020 11:19:41 +0200
Message-ID: <20200820091554.375473600@linuxfoundation.org> (raw)
In-Reply-To: <20200820091553.615456912@linuxfoundation.org>

From: Filipe Manana <fdmanana@suse.com>

commit a93e01682e283f6de09d6ce8f805dc52a2e942fb upstream.

When syncing the log, we used to update the log root tree without holding
neither the log_mutex of the subvolume root nor the log_mutex of log root
tree.

We used to have two critical sections delimited by the log_mutex of the
log root tree, so in the first one we incremented the log_writers of the
log root tree and on the second one we decremented it and waited for the
log_writers counter to go down to zero. This was because the update of
the log root tree happened between the two critical sections.

The use of two critical sections allowed a little bit more of parallelism
and required the use of the log_writers counter, necessary to make sure
we didn't miss any log root tree update when we have multiple tasks trying
to sync the log in parallel.

However after commit 06989c799f0481 ("Btrfs: fix race updating log root
item during fsync") the log root tree update was moved into a critical
section delimited by the subvolume's log_mutex. Later another commit
moved the log tree update from that critical section into the second
critical section delimited by the log_mutex of the log root tree. Both
commits addressed different bugs.

The end result is that the first critical section delimited by the
log_mutex of the log root tree became pointless, since there's nothing
done between it and the second critical section, we just have an unlock
of the log_mutex followed by a lock operation. This means we can merge
both critical sections, as the first one does almost nothing now, and we
can stop using the log_writers counter of the log root tree, which was
incremented in the first critical section and decremented in the second
criticial section, used to make sure no one in the second critical section
started writeback of the log root tree before some other task updated it.

So just remove the mutex_unlock() followed by mutex_lock() of the log root
tree, as well as the use of the log_writers counter for the log root tree.

This patch is part of a series that has the following patches:

1/4 btrfs: only commit the delayed inode when doing a full fsync
2/4 btrfs: only commit delayed items at fsync if we are logging a directory
3/4 btrfs: stop incremening log_batch for the log root tree when syncing log
4/4 btrfs: remove no longer needed use of log_writers for the log root tree

After the entire patchset applied I saw about 12% decrease on max latency
reported by dbench. The test was done on a qemu vm, with 8 cores, 16Gb of
ram, using kvm and using a raw NVMe device directly (no intermediary fs on
the host). The test was invoked like the following:

  mkfs.btrfs -f /dev/sdk
  mount -o ssd -o nospace_cache /dev/sdk /mnt/sdk
  dbench -D /mnt/sdk -t 300 8
  umount /mnt/dsk

CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/btrfs/ctree.h    |    1 +
 fs/btrfs/tree-log.c |   13 -------------
 2 files changed, 1 insertion(+), 13 deletions(-)

--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -990,6 +990,7 @@ struct btrfs_root {
 	wait_queue_head_t log_writer_wait;
 	wait_queue_head_t log_commit_wait[2];
 	struct list_head log_ctxs[2];
+	/* Used only for log trees of subvolumes, not for the log root tree */
 	atomic_t log_writers;
 	atomic_t log_commit[2];
 	/* Used only for log trees of subvolumes, not for the log root tree */
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3140,28 +3140,17 @@ int btrfs_sync_log(struct btrfs_trans_ha
 	btrfs_init_log_ctx(&root_log_ctx, NULL);
 
 	mutex_lock(&log_root_tree->log_mutex);
-	atomic_inc(&log_root_tree->log_writers);
 
 	index2 = log_root_tree->log_transid % 2;
 	list_add_tail(&root_log_ctx.list, &log_root_tree->log_ctxs[index2]);
 	root_log_ctx.log_transid = log_root_tree->log_transid;
 
-	mutex_unlock(&log_root_tree->log_mutex);
-
-	mutex_lock(&log_root_tree->log_mutex);
-
 	/*
 	 * Now we are safe to update the log_root_tree because we're under the
 	 * log_mutex, and we're a current writer so we're holding the commit
 	 * open until we drop the log_mutex.
 	 */
 	ret = update_log_root(trans, log, &new_root_item);
-
-	if (atomic_dec_and_test(&log_root_tree->log_writers)) {
-		/* atomic_dec_and_test implies a barrier */
-		cond_wake_up_nomb(&log_root_tree->log_writer_wait);
-	}
-
 	if (ret) {
 		if (!list_empty(&root_log_ctx.list))
 			list_del_init(&root_log_ctx.list);
@@ -3207,8 +3196,6 @@ int btrfs_sync_log(struct btrfs_trans_ha
 				root_log_ctx.log_transid - 1);
 	}
 
-	wait_for_writer(log_root_tree);
-
 	/*
 	 * now that we've moved on to the tree of log tree roots,
 	 * check the full commit flag again



  parent reply index

Thread overview: 157+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-20  9:19 [PATCH 5.4 000/152] 5.4.60-rc1 review Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 001/152] smb3: warn on confusing error scenario with sec=krb5 Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 002/152] genirq/affinity: Make affinity setting if activated opt-in Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 003/152] genirq/PM: Always unlock IRQ descriptor in rearm_wake_irq() Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 004/152] PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context() Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 005/152] PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 006/152] PCI: Add device even if driver attach failed Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 007/152] PCI: qcom: Define some PARF params needed for ipq8064 SoC Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 008/152] PCI: qcom: Add support for tx term offset for rev 2.1.0 Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 009/152] btrfs: allow use of global block reserve for balance item deletion Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 010/152] btrfs: free anon block device right after subvolume deletion Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 011/152] btrfs: dont allocate anonymous block device for user invisible roots Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 012/152] btrfs: ref-verify: fix memory leak in add_block_entry Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 013/152] btrfs: stop incremening log_batch for the log root tree when syncing log Greg Kroah-Hartman
2020-08-20  9:19 ` Greg Kroah-Hartman [this message]
2020-08-20  9:19 ` [PATCH 5.4 015/152] btrfs: dont traverse into the seed devices in show_devname Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 016/152] btrfs: open device without device_list_mutex Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 017/152] btrfs: move the chunk_mutex in btrfs_read_chunk_tree Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 018/152] btrfs: relocation: review the call sites which can be interrupted by signal Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 019/152] btrfs: add missing check for nocow and compression inode flags Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 020/152] btrfs: avoid possible signal interruption of btrfs_drop_snapshot() on relocation tree Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 021/152] btrfs: sysfs: use NOFS for device creation Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 022/152] btrfs: dont WARN if we abort a transaction with EROFS Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 023/152] btrfs: fix race between page release and a fast fsync Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 024/152] btrfs: fix messages after changing compression level by remount Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 025/152] btrfs: only search for left_info if there is no right_info in try_merge_free_space Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 026/152] btrfs: inode: fix NULL pointer dereference if inode doesnt need compression Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 027/152] btrfs: fix memory leaks after failure to lookup checksums during inode logging Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 028/152] btrfs: make sure SB_I_VERSION doesnt get unset by remount Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 029/152] btrfs: fix return value mixup in btrfs_get_extent Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 030/152] arm64: perf: Correct the event index in sysfs Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 031/152] dt-bindings: iio: io-channel-mux: Fix compatible string in example code Greg Kroah-Hartman
2020-08-20  9:19 ` [PATCH 5.4 032/152] iio: dac: ad5592r: fix unbalanced mutex unlocks in ad5592r_read_raw() Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 033/152] xtensa: add missing exclusive access state management Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 034/152] xtensa: fix xtensa_pmu_setup prototype Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 035/152] cifs: Fix leak when handling lease break for cached root fid Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 036/152] powerpc/ptdump: Fix build failure in hashpagetable.c Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 037/152] powerpc: Allow 4224 bytes of stack expansion for the signal frame Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 038/152] powerpc: Fix circular dependency between percpu.h and mmu.h Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 039/152] pinctrl: ingenic: Enhance support for IRQ_TYPE_EDGE_BOTH Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 040/152] media: vsp1: dl: Fix NULL pointer dereference on unbind Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 041/152] net: ethernet: stmmac: Disable hardware multicast filter Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 042/152] net: stmmac: dwmac1000: provide multicast filter fallback Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 043/152] net/compat: Add missing sock updates for SCM_RIGHTS Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 044/152] md/raid5: Fix Force reconstruct-write io stuck in degraded raid5 Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 045/152] bcache: allocate meta data pages as compound pages Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 046/152] bcache: fix overflow in offset_to_stripe() Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 047/152] mac80211: fix misplaced while instead of if Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 048/152] driver core: Avoid binding drivers to dead devices Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 049/152] MIPS: CPU#0 is not hotpluggable Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 050/152] MIPS: qi_lb60: Fix routing to audio amplifier Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 051/152] ext2: fix missing percpu_counter_inc Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 052/152] khugepaged: collapse_pte_mapped_thp() flush the right range Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 053/152] khugepaged: collapse_pte_mapped_thp() protect the pmd lock Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 054/152] ocfs2: change slot number type s16 to u16 Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 055/152] mm/page_counter.c: fix protection usage propagation Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 056/152] mm/memory_hotplug: fix unpaired mem_hotplug_begin/done Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 057/152] ftrace: Setup correct FTRACE_FL_REGS flags for module Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 058/152] kprobes: Fix NULL pointer dereference at kprobe_ftrace_handler Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 059/152] tracing/hwlat: Honor the tracing_cpumask Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 060/152] tracing: Use trace_sched_process_free() instead of exit() for pid tracing Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 061/152] tracing: Move pipe reference to trace array instead of current_tracer Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 062/152] watchdog: f71808e_wdt: indicate WDIOF_CARDRESET support in watchdog_info.options Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 063/152] watchdog: f71808e_wdt: remove use of wrong watchdog_info option Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 064/152] watchdog: f71808e_wdt: clear watchdog timeout occurred flag Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 065/152] ceph: set sec_context xattr on symlink creation Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 066/152] ceph: handle zero-length feature mask in session messages Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 067/152] pseries: Fix 64 bit logical memory block panic Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 068/152] module: Correctly truncate sysfs sections output Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 069/152] perf intel-pt: Fix FUP packet state Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 070/152] perf intel-pt: Fix duplicate branch after CBR Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 071/152] remoteproc: qcom: q6v5: Update running state before requesting stop Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 072/152] remoteproc: qcom_q6v5_mss: Validate MBA firmware size before load Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 073/152] remoteproc: qcom_q6v5_mss: Validate modem blob " Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 074/152] drm/imx: imx-ldb: Disable both channels for split mode in enc->disable() Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 075/152] orangefs: get rid of knob code Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 076/152] pinctrl: ingenic: Properly detect GPIO direction when configured for IRQ Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 077/152] crypto: algif_aead - Only wake up when ctx->more is zero Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 078/152] mfd: arizona: Ensure 32k clock is put on driver unbind and error Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 079/152] octeontx2-af: change (struct qmem)->entry_sz from u8 to u16 Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 080/152] mtd: rawnand: fsl_upm: Remove unused mtd var Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 081/152] platform/chrome: cros_ec_ishtp: Fix a double-unlock issue Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 082/152] RDMA/ipoib: Return void from ipoib_ib_dev_stop() Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 083/152] RDMA/ipoib: Fix ABBA deadlock with ipoib_reap_ah() Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 084/152] media: rockchip: rga: Introduce color fmt macros and refactor CSC mode logic Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 085/152] media: rockchip: rga: Only set output CSC mode for RGB input Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 086/152] IB/uverbs: Set IOVA on IB MR in uverbs layer Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 087/152] selftests/bpf: Test_progs indicate to shell on non-actions Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 088/152] selftests/bpf: test_progs use another shell exit " Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 089/152] USB: serial: ftdi_sio: make process-packet buffer unsigned Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 090/152] USB: serial: ftdi_sio: clean up receive processing Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 091/152] USB: serial: ftdi_sio: fix break and sysrq handling Greg Kroah-Hartman
2020-08-20  9:20 ` [PATCH 5.4 092/152] crypto: af_alg - Fix regression on empty requests Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 093/152] devres: keep both device name and resource name in pretty name Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 094/152] RDMA/counter: Only bind user QPs in auto mode Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 095/152] RDMA/counter: Allow manually bind QPs with different pids to same counter Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 096/152] mmc: renesas_sdhi_internal_dmac: clean up the code for dma complete Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 097/152] crypto: caam - Remove broken arc4 support Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 098/152] gpu: ipu-v3: image-convert: Combine rotate/no-rotate irq handlers Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 099/152] gpu: ipu-v3: image-convert: Wait for all EOFs before completing a tile Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 100/152] dm rq: dont call blk_mq_queue_stopped() in dm_stop_queue() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 101/152] clk: actions: Fix h_clk for Actions S500 SoC Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 102/152] selftests/powerpc: ptrace-pkey: Rename variables to make it easier to follow code Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 103/152] selftests/powerpc: ptrace-pkey: Update the test to mark an invalid pkey correctly Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 104/152] selftests/powerpc: ptrace-pkey: Dont update expected UAMOR value Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 105/152] iommu/omap: Check for failure of a call to omap_iommu_dump_ctx Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 106/152] clk: qcom: gcc: fix sm8150 GPU and NPU clocks Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 107/152] clk: qcom: clk-alpha-pll: remove unused/incorrect PLL_CAL_VAL Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 108/152] iommu/vt-d: Enforce PASID devTLB field mask Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 109/152] i2c: rcar: slave: only send STOP event when we have been addressed Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 110/152] clk: qcom: gcc-sdm660: Fix up gcc_mss_mnoc_bimc_axi_clk Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 111/152] clk: clk-atlas6: fix return value check in atlas6_clk_init() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 112/152] pwm: bcm-iproc: handle clk_get_rate() return Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 113/152] tools build feature: Use CC and CXX from parent Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 114/152] i2c: rcar: avoid race when unregistering slave Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 115/152] nfs: ensure correct writeback errors are returned on close() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 116/152] ubifs: Fix wrong orphan node deletion in ubifs_jnl_update|rename Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 117/152] clk: bcm2835: Do not use prediv with bcm2711s PLLs Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 118/152] libnvdimm/security: fix a typo Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 119/152] libnvdimm/security: ensure sysfs poll thread woke up and fetch updated attr Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 120/152] openrisc: Fix oops caused when dumping stack Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 121/152] scsi: lpfc: nvmet: Avoid hang / use-after-free again when destroying targetport Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 122/152] nfs: nfs_file_write() should check for writeback errors Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 123/152] watchdog: initialize device before misc_register Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 124/152] md-cluster: Fix potential error pointer dereference in resize_bitmaps() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 125/152] x86/tsr: Fix tsc frequency enumeration bug on Lightning Mountain SoC Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 126/152] Input: sentelic - fix error return when fsp_reg_write fails Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 127/152] recordmcount: Fix build failure on non arm64 Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 128/152] drm/vmwgfx: Use correct vmw_legacy_display_unit pointer Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 129/152] drm/vmwgfx: Fix two list_for_each loop exit tests Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 130/152] net: qcom/emac: add missed clk_disable_unprepare in error path of emac_clks_phase1_init Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 131/152] nfs: Fix getxattr kernel panic and memory overflow Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 132/152] fs/minix: set s_maxbytes correctly Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 133/152] fs/minix: fix block limit check for V1 filesystems Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 134/152] fs/minix: remove expected error message in block_to_path() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 135/152] fs/ufs: avoid potential u32 multiplication overflow Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 136/152] test_kmod: avoid potential double free in trigger_config_run_type() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 137/152] i2c: iproc: fix race between client unreg and isr Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 138/152] mfd: dln2: Run event handler loop under spinlock Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 139/152] crypto: algif_aead - fix uninitialized ctx->init Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 140/152] ALSA: echoaudio: Fix potential Oops in snd_echo_resume() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 141/152] perf bench mem: Always memset source before memcpy Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 142/152] tools build feature: Quote CC and CXX for their arguments Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 143/152] perf/x86/rapl: Fix missing psys sysfs attributes Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 144/152] sh: landisk: Add missing initialization of sh_io_port_base Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 145/152] khugepaged: retract_page_tables() remember to test exit Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 146/152] arm64: dts: marvell: espressobin: add ethernet alias Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 147/152] drm/radeon: fix fb_div check in ni_init_smc_spll_table() Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 148/152] drm/panfrost: Use kvfree() to free bo->sgts Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 149/152] drm: Added orientation quirk for ASUS tablet model T103HAF Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 150/152] drm: fix drm_dp_mst_port refcount leaks in drm_dp_mst_allocate_vcpi Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 151/152] drm/amdgpu: Fix bug where DPM is not enabled after hibernate and resume Greg Kroah-Hartman
2020-08-20  9:21 ` [PATCH 5.4 152/152] drm/amd/display: dchubbub p-state warning during surface planes switch Greg Kroah-Hartman
2020-08-20 17:24 ` [PATCH 5.4 000/152] 5.4.60-rc1 review Naresh Kamboju
2020-08-21 16:33   ` Naresh Kamboju
2020-08-20 20:04 ` Guenter Roeck
2020-08-20 23:49 ` Shuah Khan

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