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fd89b0be5503dbbbdbd53c8158ea6ba0e57357fc
linux/include/trace/events
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Gao Xiang 949eb95d5b cachefiles,netfs: sunset ondemand mode 
It was an effort to enhance fscache as a kernel cache for lazy
pulling (at least according to previous Incremental FS discussion [1])
and EROFS over fscache was the in-tree user of this mode.

fscache has since evolved to be netfslib-oriented, serving network
filesystem inodes via the netfs library, but EROFS never acts as a
network filesystem and we need to cache golden filesystem images rather
than individual EROFS inodes.

Since EROFS over fscache is now removed, clean up netfs/fscache/
cachefiles upstream too.

[1] https://lore.kernel.org/r/CAOQ4uxi4dzxArY24YO=+kBCK2gGoq3Ptb8WkzCqSogPgU_R3dQ@mail.gmail.com

[dh] Fixed up comments on:
https://sashiko.dev/#/patchset/20260716103030.3065561-1-dhowells%40redhat.com
https://sashiko.dev/#/patchset/20260722130218.78958-1-dhowells%40redhat.com

Signed-off-by: Gao Xiang <xiang@kernel.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/1046393.1786544127@warthog.procyon.org.uk
cc: Paulo Alcantara <pc@manguebit.org>
cc: netfs@lists.linux.dev
cc: linux-erofs@lists.ozlabs.org
cc: bpf@vger.kernel.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
2026-08-12 16:24:26 +02:00
..
9p.h
9p: prevent read overrun in protocol dump tracepoint
2023-12-05 21:18:44 +09:00
afs.h
afs: Add support for RENAME_NOREPLACE and RENAME_EXCHANGE
2025-09-25 09:19:07 +02:00
alarmtimer.h
alarmtimer: Hide alarmtimer_suspend event when RTC_CLASS is not configured
2025-07-21 16:40:56 -04:00
amdxdna.h
accel/amdxdna: Improve tracing for job lifecycle and mailbox RX worker
2026-04-22 08:35:21 -07:00
asoc.h
ASoC: asoc.h: convert to snd_soc_dapm_xxx()
2025-11-17 00:14:25 +00:00
avc.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
bcache.h
…
block.h
blk-mq: add tracepoint block_rq_tag_wait
2026-05-26 11:01:54 -06:00
bpf_test_run.h
bpf: add bpf_modify_return_test_tp() kfunc triggering tracepoint
2024-03-28 18:31:40 -07:00
bridge.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
btrfs.h
btrfs: trigger cow fixup via dirty_folio()
2026-07-30 19:28:36 +02:00
cachefiles.h
cachefiles,netfs: sunset ondemand mode
2026-08-12 16:24:26 +02:00
capability.h
security: add trace event for cap_capable
2024-12-04 20:59:21 -06:00
ceph.h
ceph: add manual reset debugfs control and tracepoints
2026-06-22 22:45:05 +02:00
cgroup.h
cgroup: increase maximum subsystem count from 16 to 32
2026-02-01 06:34:15 -10:00
clk.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
cma.h
mm/cma: add 'available count' and 'total count' to trace_cma_alloc_start
2025-09-13 16:55:15 -07:00
compaction.h
mm: compaction: update the cc->nr_migratepages when allocating or freeing the freepages
2024-02-22 10:24:50 -08:00
context_tracking.h
…
coredump.h
coredump: add tracepoint for coredump events
2026-03-23 13:15:52 +01:00
cpuhp.h
…
csd.h
smp: Change function signatures to use call_single_data_t
2023-09-13 14:59:24 +02:00
damon.h
mm/damon: trace probe_hits
2026-06-02 15:22:29 -07:00
devfreq.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
devlink.h
devlink: add devlink_dev_driver_name() helper and use it in trace events
2026-03-14 13:08:49 -07:00
dlm.h
dlm: remove lkb from callback tracepoints
2024-04-01 13:31:12 -05:00
dma_buf.h
dma-buf: add some tracepoints to debug.
2026-01-21 13:27:54 +01:00
dma_fence.h
dma-fence: Fix potential tracepoint null pointer dereferences
2026-04-15 11:52:23 +01:00
dma.h
dma-mapping: introduce DMA_ATTR_CC_SHARED for shared memory
2026-04-02 07:29:33 +02:00
erofs.h
erofs: add folio order to trace_erofs_read_folio
2026-06-18 16:19:33 +08:00
error_report.h
…
exceptions.h
x86/tracing, x86/mm: Move page fault tracepoints to generic
2025-05-16 10:13:59 +02:00
ext4.h
ext4: fast commit: add lock_updates tracepoint
2026-06-03 10:26:36 -04:00
f2fs.h
f2fs: Add trace_f2fs_fault_report
2026-06-22 19:52:34 +00:00
fib6.h
tracing: ipv6: Add flow label to fib6_table_lookup tracepoint
2024-12-19 16:02:22 +01:00
fib.h
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
filelock.h
Merge tag 'vfs-7.2-rc1.directory.delegations' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2026-06-15 02:50:44 +05:30
filemap.h
vfs: widen trace event i_ino fields to u64
2026-03-06 14:31:26 +01:00
firewire_ohci.h
firewire: ohci: add tracepoints event for data of Self-ID DMA
2024-07-04 09:07:14 +09:00
firewire.h
firewire: core: rename cause flag of tracepoints event
2024-09-12 22:30:38 +09:00
fs_dax.h
vfs: widen trace event i_ino fields to u64
2026-03-06 14:31:26 +01:00
fscache.h
cachefiles: fix slab-use-after-free in fscache_withdraw_volume()
2024-07-03 10:36:14 +02:00
fsi_master_aspeed.h
fsi: Add trace events in initialization path
2022-02-21 19:38:54 +10:30
fsi_master_ast_cf.h
…
fsi_master_gpio.h
…
fsi_master_i2cr.h
fsi: Add IBM I2C Responder virtual FSI master
2023-08-11 13:32:14 +09:30
fsi.h
fsi: core: Add trace events for scan and unregister
2023-08-09 15:43:28 +09:30
fsnotify.h
fsnotify: new tracepoint in fsnotify()
2026-05-15 19:24:33 +02:00
fsverity.h
vfs: widen trace event i_ino fields to u64
2026-03-06 14:31:26 +01:00
gpio.h
…
gpu_mem.h
…
habanalabs.h
accel/habanalabs: fix typo in trace output (cms -> cmd)
2025-09-25 09:09:28 +03:00
handshake.h
net/handshake: Trace events for TLS Alert helpers
2023-07-28 14:07:59 -07:00
host1x.h
gpu: host1x: trace: fix string fields in host1x traces
2026-05-28 17:19:28 +02:00
huge_memory.h
mm/khugepaged: improve tracepoints for mTHP orders
2026-06-21 11:31:31 -07:00
hugetlbfs.h
hugetlbfs: widen trace event i_ino fields to u64
2026-03-06 14:31:27 +01:00
hw_pressure.h
sched/cpufreq: Rename arch_update_thermal_pressure() => arch_update_hw_pressure()
2024-04-24 12:08:01 +02:00
hwmon.h
hwmon: Introduce 64-bit energy attribute support
2025-09-07 16:33:48 -07:00
i2c_slave.h
i2c: add tracepoints for I2C slave events
2022-03-20 00:11:05 +01:00
i2c.h
…
ib_mad.h
IB/mad: Don't call to function that might sleep while in atomic context
2022-11-10 10:57:15 +02:00
ib_umad.h
…
icmp.h
net/ipv4: add tracepoint for icmp_send
2024-05-08 10:39:26 +01:00
initcall.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
intel_ifs.h
trace: platform/x86/intel/ifs: Add SBAF trace support
2024-08-12 16:36:11 +02:00
intel_ish.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
intel-sst.h
…
io_uring.h
io_uring/trace: rename io_uring_queue_async_work event "rw" field
2025-12-04 07:18:02 -07:00
iocost.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
iommu.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
ipi.h
tracing: Report ipi_raise target CPUs as cpumask
2026-04-08 16:26:22 -04:00
irq_matrix.h
genirq/matrix: Remove unused irq_matrix_alloc_reserved tracepoint
2025-06-02 13:12:26 -04:00
irq.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
iscsi.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
jbd2.h
jbd2: remove journal_clean_one_cp_list()
2023-07-10 23:09:21 -04:00
kmem.h
mm/tracing: rss_stat: ensure curr is false from kthread context
2026-02-24 11:13:27 -08:00
ksm.h
mm/ksm: add tracepoint for ksm advisor
2023-12-29 11:58:27 -08:00
kvm.h
LoongArch: KVM: Move kvm_iocsr tracepoint out of generic code
2025-09-23 23:37:26 +08:00
kyber.h
kyber: Replace strlcpy with strscpy
2023-07-17 08:18:17 -06:00
libata.h
ata: libata: add qc->flags in ata_qc_complete_template tracepoint
2022-06-17 16:30:03 +09:00
lock.h
locking: Add contended_release tracepoint to sleepable locks
2026-06-11 13:41:25 +02:00
maple_tree.h
Maple Tree: add new data structure
2022-09-26 19:46:13 -07:00
mce.h
x86/MCE/AMD: Add support for new MCA_SYND{1,2} registers
2024-10-31 10:36:07 +01:00
mctp.h
mctp: Add SIOCMCTP{ALLOC,DROP}TAG ioctls for tag control
2022-02-09 12:00:11 +00:00
mdio.h
trace: events: cleanup deprecated strncpy uses
2024-04-05 22:10:25 -07:00
memcg.h
mm: memcontrol: change val type to long in __mod_memcg_{lruvec_}state()
2026-04-18 00:10:48 -07:00
memory-failure.h
mm/memory-failure: trace: change memory_failure_event to ras subsystem
2026-07-09 15:48:56 -07:00
migrate.h
mm/migrate: add MR_DAMON to migrate_reason
2024-07-03 19:30:12 -07:00
mlxsw.h
…
mmap_lock.h
mm: mmap_lock: optimize mmap_lock tracepoints
2025-01-13 22:40:34 -08:00
mmap.h
mm: remove unused mmap tracepoints
2025-07-09 22:41:55 -07:00
mmc.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
mmflags.h
mm: introduce VM_MAYBE_GUARD and make visible in /proc/$pid/smaps
2025-11-20 13:43:58 -08:00
module.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
mptcp.h
mptcp: better mptcp-level RTT estimator
2026-04-08 19:32:00 -07:00
napi.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
nbd.h
nbd: Use NULL to represent a pointer
2024-05-14 07:22:35 -06:00
neigh.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
net_probe_common.h
trace: adjust TP_STORE_ADDR_PORTS_SKB() parameters
2024-04-03 19:26:14 -07:00
net.h
net: validate skb->napi_id in RX tracepoints
2026-04-22 20:15:50 -07:00
netfs.h
netfs: Fix folio->private handling in netfs_perform_write()
2026-05-12 14:42:32 +02:00
netlink.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
nilfs2.h
nilfs2: widen trace event i_ino fields to u64
2026-03-06 14:31:28 +01:00
nmi.h
…
notifier.h
notifiers: add tracepoints to the notifiers infrastructure
2023-04-08 13:45:38 -07:00
objagg.h
…
oom.h
mm: improve code consistency with zonelist_* helper functions
2024-09-01 20:25:55 -07:00
osnoise.h
trace/osnoise: Add trace events for samples
2025-02-26 19:44:30 -05:00
page_isolation.h
…
page_pool.h
page_pool: devmem support
2024-09-11 20:44:31 -07:00
page_ref.h
mm: introduce memdesc_flags_t
2025-09-13 16:55:07 -07:00
pagemap.h
…
pci_controller.h
PCI: trace: Add PCI controller tracepoint feature
2026-04-07 20:12:16 +05:30
pci.h
PCI: trace: Add RAS tracepoint to monitor link speed changes
2025-12-23 16:06:00 -06:00
percpu.h
include/trace/events/percpu.h: cleanup for "percpu: improve percpu_alloc_percpu event trace"
2022-05-25 10:47:48 -07:00
power_cpu_migrate.h
…
power.h
PM: Introduce new PMSG_POWEROFF event
2025-11-14 17:05:53 +01:00
preemptirq.h
tracing: Remove definition of trace_*_rcuidle()
2024-10-08 21:17:39 -04:00
printk.h
…
pwc.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
pwm.h
pwm: Add tracing for waveform callbacks
2024-09-28 15:13:56 +02:00
qcom_geni_serial.h
serial: qcom-geni: trace: Add tracepoint support for Qualcomm GENI serial
2026-05-22 11:46:44 +02:00
qcom_geni_spi.h
spi: qcom-geni: trace: Add trace events for Qualcomm GENI SPI
2026-05-19 14:12:55 +01:00
qdisc.h
net: sched: introduce qdisc-specific drop reason tracing
2026-02-28 15:31:34 -08:00
qla.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
qrtr.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
rcu.h
Merge tag 'rcu-next-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
2025-03-24 19:41:37 -07:00
rdma_core.h
…
readahead.h
vfs: widen trace event i_ino fields to u64
2026-03-06 14:31:26 +01:00
regulator.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
rpcgss.h
sunrpc: implement rfc2203 rpcsec_gss seqnum cache
2025-05-19 10:14:29 -04:00
rpcrdma.h
xprtrdma: Replace rpcrdma_mr_seg with xdr_buf cursor
2026-04-13 12:04:58 -07:00
rpm.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
rseq.h
rseq: Cache CPU ID and MM CID values
2025-11-04 08:32:14 +01:00
rtc.h
…
rust_sample.h
rust: samples: add tracepoint to Rust sample
2024-11-04 16:21:44 -05:00
rwmmio.h
asm-generic/io: Add _RET_IP_ to MMIO trace for more accurate debug info
2022-11-21 22:02:10 +01:00
rxrpc.h
crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks
2026-05-20 16:36:45 -07:00
sched_ext.h
sched_ext: Implement load balancer for bypass mode
2025-11-12 06:43:44 -10:00
sched.h
sched: Add deadline tracepoints
2026-03-31 16:47:17 +02:00
scmi.h
include: trace: Add tracepoint support for inflight xfer count
2025-07-03 16:18:09 +01:00
scsi.h
scsi: trace: Show rtn in string for scsi_dispatch_cmd_error()
2025-06-09 21:59:07 -04:00
sctp.h
…
signal.h
…
siox.h
…
skb.h
net: constify sk_skb_reason_drop() sock parameter
2026-05-12 18:31:11 -07:00
smbus.h
…
sock.h
net: Retire DCCP socket.
2025-04-11 18:58:10 -07:00
sof_intel.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
sof.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
spi-mem.h
spi: spi-mem: Trace exec_op
2025-10-27 11:10:50 +00:00
spi.h
spi: Fix spelling typos and acronyms capitalization
2023-07-11 14:14:32 +01:00
spmi.h
spmi: trace: fix stack-out-of-bound access in SPMI tracing functions
2022-07-24 16:16:44 +02:00
sunrpc.h
sunrpc: Add XPT flags missing from SVC_XPRT_FLAG_LIST
2026-03-29 21:25:09 -04:00
sunvnet.h
…
swiotlb.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
syscalls.h
tracing: Declare system call tracepoints with TRACE_EVENT_SYSCALL
2024-10-09 17:05:54 -04:00
target.h
scsi: usb: Rename the RESERVE and RELEASE constants
2025-02-12 22:20:55 -05:00
task.h
tracing: Revert "tracing: Remove pid in task_rename tracing output"
2026-03-21 16:41:18 -04:00
tcp.h
tcp: preserve const qualifier in tcp_rsk() and inet_rsk()
2026-01-21 19:20:04 -08:00
tegra_apb_dma.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
thp.h
powerpc/thp: tracing: Hide hugepage events under CONFIG_PPC_BOOK3S_64
2025-07-25 08:58:07 -04:00
timer_migration.h
timers/migration: Handle capacity in connect tracepoints
2026-05-06 08:33:07 +02:00
timer.h
hrtimer: Provide hrtimer_start_range_ns_user()
2026-05-01 21:36:11 +02:00
timestamp.h
vfs: widen trace event i_ino fields to u64
2026-03-06 14:31:26 +01:00
tlb.h
x86/mm/tlb/trace: Export the TLB_REMOTE_WRONG_CPU enum in <trace/events/tlb.h>
2025-12-13 11:01:16 +01:00
tsm_mr.h
tsm-mr: Add TVM Measurement Register support
2025-05-08 19:17:33 -07:00
udp.h
trace: adjust TP_STORE_ADDR_PORTS_SKB() parameters
2024-04-03 19:26:14 -07:00
v4l2.h
…
vb2.h
…
vmalloc.h
mm: vmalloc: add free_vmap_area_noflush trace event
2022-11-08 17:37:17 -08:00
vmscan.h
mm/vmscan: add balance_pgdat begin/end tracepoints
2026-05-28 21:04:40 -07:00
vsock_virtio_transport_common.h
vsock/virtio: MSG_ZEROCOPY flag support
2023-09-21 12:34:00 +02:00
watchdog.h
watchdog: Add tracing events for the most usual watchdog events
2022-10-12 09:47:02 +02:00
wbt.h
blk-wbt: Replace strlcpy with strscpy
2023-07-17 08:18:17 -06:00
workqueue.h
tracing/treewide: Remove second parameter of __assign_str()
2024-05-22 20:14:47 -04:00
writeback.h
mm: kick writeback flusher for IOCB_DONTCACHE with targeted dirty tracking
2026-06-04 10:16:51 +02:00
xdp.h
xdp: tracing: Hide some xdp events under CONFIG_BPF_SYSCALL
2025-06-12 19:36:53 -07:00
xen.h
x86/xen: Drop lazy mode from trace entries
2026-06-08 09:21:06 +02:00