Christian Schoenebeck 61da38db70 9pfs: fix concurrent v9fs_reclaim_fd() calls ... Even though this function is serialized to be always called from main thread, v9fs_reclaim_fd() is dispatching the coroutine to a worker thread in between via its v9fs_co_*() calls, hence leading to the situation where v9fs_reclaim_fd() is effectively executed multiple times simultaniously, which renders its LRU algorithm useless and causes high latency. Fix this by adding a simple boolean variable to ensure this function is only called once at a time. No synchronization needed for this boolean variable as this function is only entered and returned on main thread. Fixes: 7a46274529 ('hw/9pfs: Add file descriptor reclaim support') Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com> Reviewed-by: Greg Kurz <groug@kaod.org> Message-Id: <5c622067efd66dd4ee5eca740dcf263f41db20b2.1741339452.git.qemu_oss@crudebyte.com>		2025-05-05 11:28:28 +02:00
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9pfs	9pfs: fix concurrent v9fs_reclaim_fd() calls	2025-05-05 11:28:28 +02:00
acpi	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
adc	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
alpha	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
arm	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
audio	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
avr	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
block	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
char	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
core	Various patches loosely related to single binary work:	2025-04-27 12:47:16 -04:00
cpu	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
cxl	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
display	exec: Rename target_words_bigendian() -> target_big_endian()	2025-04-25 17:00:42 +02:00
dma	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
fsi	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
gpio	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
hppa	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
hyperv	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
i2c	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
i386	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
ide	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
input	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
intc	hw/intc/i8259: Remove unused DEBUG_PIC define	2025-04-25 17:00:42 +02:00
ipack	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
ipmi	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
isa	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
loongarch	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
m68k	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
mem	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
microblaze	hw/microblaze: Evaluate TARGET_BIG_ENDIAN at compile time	2025-04-25 17:09:58 +02:00
mips	hw/mips: Evaluate TARGET_BIG_ENDIAN at compile time	2025-04-25 17:09:58 +02:00
misc	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
net	hw/net/can: Fix type conflict of GLib function pointers	2025-04-25 17:09:53 +02:00
nubus	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
nvme	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
nvram	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
openrisc	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
pci	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
pci-bridge	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
pci-host	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
ppc	Various patches loosely related to single binary work:	2025-04-27 12:47:16 -04:00
remote	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
riscv	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
rtc	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
rx	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
s390x	Various patches loosely related to single binary work:	2025-04-27 12:47:16 -04:00
scsi	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
sd	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
sensor	qom: Constify TypeInfo::class_data	2025-04-25 17:00:41 +02:00
sh4	codebase: prepare to remove cpu.h from exec/exec-all.h	2025-04-23 13:52:25 -07:00
smbios	ipmi: add fwinfo to pci ipmi devices	2025-04-11 10:50:42 -05:00
sparc	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
sparc64	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
ssi	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
timer	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
tpm	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
tricore	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
uefi	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
ufs	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
usb	hw/usb/hcd-xhci: Unmap canceled packet	2025-04-25 17:00:42 +02:00
vfio	Various patches loosely related to single binary work:	2025-04-27 12:47:16 -04:00
virtio	exec: Rename target_words_bigendian() -> target_big_endian()	2025-04-25 17:00:42 +02:00
vmapple	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
watchdog	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
xen	qom: Make InterfaceInfo[] uses const	2025-04-25 17:00:41 +02:00
xenpv	hw/boards: Do not create unusable default if=sd drives	2025-02-16 14:25:08 +01:00
xtensa	qom: Have class_init() take a const data argument	2025-04-25 17:00:41 +02:00
Kconfig	Misc HW patches	2025-03-05 21:54:58 +08:00
meson.build	Misc HW patches	2025-03-05 21:54:58 +08:00