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Date: Fri, 20 Oct 2023 12:28:58 +0200
From: Miklos Szeredi <mszeredi@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Takashi Iwai <tiwai@...e.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Al Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>,
James Bottomley <James.Bottomley@...senpartnership.com>
Subject: [RFC PATCH 0/2] add list iterate & delete macros
It turns out that a very common pattern is:
- remove first element
- do something with first element
- repeat until list is empty
This is most often coded as something like:
while (!list_empty(head)) {
pos = list_first_entry(head, typeof(*pos), member);
list_del(&pos->member);
...
}
The first patch adds macros to condense this pattern into a single list
iteration statement.
The second patch replaces some instances with the new macros.
I think the most important result is that it makes the pattern recognisable
and is easier to read.
Any comments or objections?
Should the conversion patch be split up by subsystem?
Thanks,
Miklos
Miklos Szeredi (2):
add list_for_each_entry_del()
replace trivial incarnations of list_for_each_entry_del()
arch/powerpc/platforms/powermac/pfunc_core.c | 7 +--
arch/powerpc/platforms/powernv/opal-hmi.c | 5 +-
.../platforms/powernv/opal-memory-errors.c | 5 +-
arch/powerpc/platforms/pseries/hvcserver.c | 7 +--
arch/x86/kernel/cpu/sgx/encl.c | 5 +-
block/bfq-iosched.c | 7 +--
block/blk-core.c | 9 +--
block/blk-mq.c | 16 ++---
block/mq-deadline.c | 8 +--
drivers/accel/qaic/qaic_data.c | 4 +-
drivers/accel/qaic/qaic_drv.c | 4 +-
drivers/acpi/acpi_ipmi.c | 6 +-
drivers/android/binder_alloc.c | 6 +-
drivers/base/dd.c | 6 +-
drivers/base/firmware_loader/main.c | 5 +-
drivers/base/regmap/regmap-debugfs.c | 7 +--
drivers/block/aoe/aoecmd.c | 6 +-
drivers/block/drbd/drbd_nl.c | 8 +--
drivers/block/loop.c | 5 +-
drivers/block/nbd.c | 4 +-
drivers/block/null_blk/main.c | 6 +-
drivers/block/rbd.c | 6 +-
drivers/block/xen-blkback/blkback.c | 8 +--
drivers/char/ipmi/ipmi_msghandler.c | 12 +---
drivers/crypto/ccp/ccp-dev-v3.c | 8 +--
drivers/crypto/ccp/ccp-dev-v5.c | 8 +--
drivers/dma/pl330.c | 5 +-
drivers/dma/ptdma/ptdma-dev.c | 4 +-
drivers/dma/tegra20-apb-dma.c | 22 ++-----
drivers/firmware/cirrus/cs_dsp.c | 15 ++---
drivers/gpio/gpio-rockchip.c | 6 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +-
drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 13 ++--
.../gpu/drm/nouveau/nvkm/engine/disp/base.c | 10 +---
drivers/gpu/drm/vc4/vc4_gem.c | 15 ++---
drivers/gpu/drm/virtio/virtgpu_gem.c | 5 +-
drivers/gpu/ipu-v3/ipu-image-convert.c | 8 +--
.../hid/intel-ish-hid/ishtp/client-buffers.c | 20 ++-----
drivers/i3c/master.c | 6 +-
drivers/infiniband/core/cma.c | 13 +---
drivers/infiniband/core/mad.c | 7 +--
drivers/infiniband/core/mr_pool.c | 5 +-
drivers/infiniband/core/multicast.c | 5 +-
drivers/infiniband/core/uverbs_main.c | 6 +-
drivers/infiniband/hw/hfi1/mmu_rb.c | 9 +--
drivers/infiniband/hw/hfi1/qp.c | 11 +---
drivers/infiniband/hw/mlx4/alias_GUID.c | 6 +-
drivers/infiniband/ulp/ipoib/ipoib_cm.c | 8 +--
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 12 ++--
drivers/macintosh/windfarm_fcu_controls.c | 6 +-
drivers/macintosh/windfarm_smu_controls.c | 5 +-
drivers/macintosh/windfarm_smu_sat.c | 6 +-
drivers/macintosh/windfarm_smu_sensors.c | 5 +-
drivers/md/bcache/alloc.c | 6 +-
drivers/md/bcache/btree.c | 5 +-
drivers/md/bcache/journal.c | 5 +-
drivers/md/bcache/super.c | 5 +-
drivers/md/dm-bufio.c | 6 +-
drivers/md/dm-stats.c | 4 +-
drivers/md/dm-zoned-metadata.c | 10 +---
drivers/md/raid1.c | 5 +-
drivers/md/raid10.c | 5 +-
drivers/md/raid5-cache.c | 5 +-
drivers/md/raid5.c | 21 ++-----
drivers/media/cec/core/cec-api.c | 17 ++----
drivers/media/common/saa7146/saa7146_vbi.c | 5 +-
drivers/media/common/saa7146/saa7146_video.c | 5 +-
drivers/media/dvb-frontends/rtl2832_sdr.c | 9 +--
drivers/media/mc/mc-entity.c | 7 +--
drivers/media/pci/bt8xx/bttv-driver.c | 13 +---
drivers/media/pci/bt8xx/bttv-vbi.c | 5 +-
drivers/media/pci/cx18/cx18-queue.c | 5 +-
drivers/media/pci/cx18/cx18-streams.c | 8 +--
drivers/media/pci/cx23885/cx23885-417.c | 8 +--
drivers/media/pci/cx23885/cx23885-core.c | 5 +-
drivers/media/pci/cx23885/cx23885-vbi.c | 8 +--
drivers/media/pci/cx23885/cx23885-video.c | 8 +--
drivers/media/pci/cx25821/cx25821-video.c | 8 +--
drivers/media/pci/cx88/cx88-blackbird.c | 15 +----
drivers/media/pci/cx88/cx88-dvb.c | 8 +--
drivers/media/pci/cx88/cx88-mpeg.c | 5 +-
drivers/media/pci/cx88/cx88-vbi.c | 8 +--
drivers/media/pci/cx88/cx88-video.c | 8 +--
drivers/media/pci/dt3155/dt3155.c | 5 +-
.../pci/netup_unidvb/netup_unidvb_core.c | 6 +-
.../media/pci/solo6x10/solo6x10-v4l2-enc.c | 9 +--
drivers/media/pci/solo6x10/solo6x10-v4l2.c | 9 +--
drivers/media/pci/tw5864/tw5864-video.c | 16 ++---
drivers/media/pci/tw68/tw68-video.c | 8 +--
drivers/media/pci/tw686x/tw686x-video.c | 22 ++-----
drivers/media/pci/zoran/zoran_driver.c | 4 +-
.../media/platform/chips-media/coda-common.c | 7 +--
.../platform/nxp/imx8-isi/imx8-isi-video.c | 16 +----
.../platform/rockchip/rkisp1/rkisp1-capture.c | 6 +-
.../platform/samsung/exynos4-is/media-dev.c | 7 +--
.../platform/samsung/s5p-mfc/s5p_mfc_enc.c | 5 +-
.../media/platform/ti/davinci/vpif_capture.c | 5 +-
.../media/platform/ti/davinci/vpif_display.c | 5 +-
drivers/media/platform/ti/omap3isp/ispvideo.c | 8 +--
.../test-drivers/vivid/vivid-kthread-cap.c | 23 +++-----
.../test-drivers/vivid/vivid-kthread-out.c | 23 ++------
.../test-drivers/vivid/vivid-kthread-touch.c | 9 +--
.../media/test-drivers/vivid/vivid-sdr-cap.c | 8 +--
drivers/media/usb/airspy/airspy.c | 8 +--
drivers/media/usb/au0828/au0828-video.c | 7 +--
drivers/media/usb/em28xx/em28xx-video.c | 14 ++---
drivers/media/usb/msi2500/msi2500.c | 9 +--
drivers/media/usb/pwc/pwc-if.c | 8 +--
drivers/media/usb/stk1160/stk1160-v4l.c | 5 +-
drivers/media/usb/uvc/uvc_queue.c | 7 +--
drivers/mtd/ubi/wl.c | 6 +-
drivers/net/ethernet/agere/et131x.c | 6 +-
.../net/ethernet/broadcom/bnx2x/bnx2x_main.c | 7 +--
.../net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 14 +----
drivers/net/ethernet/brocade/bna/bfa_ioc.c | 5 +-
drivers/net/ethernet/brocade/bna/bfa_msgq.c | 6 +-
drivers/net/ethernet/brocade/bna/bna_tx_rx.c | 9 +--
drivers/net/ethernet/qlogic/qed/qed_ooo.c | 17 ++----
.../qlogic/qlcnic/qlcnic_sriov_common.c | 10 +---
drivers/net/ethernet/sfc/siena/siena_sriov.c | 16 +----
drivers/net/ethernet/sun/ldmvsw.c | 4 +-
drivers/net/ethernet/sun/sunvnet.c | 4 +-
drivers/net/wireless/ath/ath10k/qmi.c | 5 +-
drivers/net/wireless/ath/ath11k/qmi.c | 5 +-
drivers/net/wireless/ath/ath12k/qmi.c | 5 +-
drivers/net/wireless/ath/ath6kl/htc_pipe.c | 6 +-
drivers/net/wireless/ath/ath6kl/txrx.c | 6 +-
.../broadcom/brcm80211/brcmfmac/msgbuf.c | 8 +--
drivers/net/wireless/intel/ipw2x00/ipw2100.c | 9 +--
drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 7 +--
drivers/net/wireless/intersil/p54/p54spi.c | 7 +--
.../net/wireless/mediatek/mt76/mt7915/mac.c | 4 +-
.../net/wireless/mediatek/mt76/mt7996/mac.c | 4 +-
drivers/net/wwan/wwan_hwsim.c | 14 ++---
drivers/net/xen-netback/netback.c | 10 +---
drivers/nvme/host/fc.c | 5 +-
drivers/nvme/target/rdma.c | 31 +++-------
drivers/pci/controller/pci-hyperv.c | 12 +---
drivers/pinctrl/pinctrl-rockchip.c | 6 +-
drivers/s390/net/lcs.c | 5 +-
drivers/scsi/aacraid/commctrl.c | 6 +-
drivers/scsi/bnx2i/bnx2i_init.c | 4 +-
drivers/scsi/csiostor/csio_mb.c | 5 +-
drivers/scsi/csiostor/csio_scsi.c | 16 ++---
drivers/scsi/ibmvscsi/ibmvscsi.c | 4 +-
drivers/scsi/libiscsi.c | 10 +---
drivers/scsi/libsas/sas_scsi_host.c | 6 +-
drivers/scsi/lpfc/lpfc_bsg.c | 8 +--
drivers/scsi/lpfc/lpfc_mem.c | 8 +--
drivers/scsi/megaraid/megaraid_sas_base.c | 11 +---
drivers/scsi/mpi3mr/mpi3mr_os.c | 13 ++--
drivers/scsi/mvumi.c | 15 +----
drivers/scsi/qla1280.c | 6 +-
drivers/scsi/qla2xxx/qla_target.c | 18 +++---
.../staging/media/atomisp/pci/atomisp_cmd.c | 5 +-
drivers/staging/media/omap4iss/iss_video.c | 9 +--
drivers/staging/nvec/nvec.c | 4 +-
drivers/target/target_core_tmr.c | 5 +-
drivers/tee/optee/call.c | 5 +-
drivers/thunderbolt/nhi.c | 9 +--
drivers/thunderbolt/tb.c | 8 +--
drivers/usb/core/hcd.c | 7 +--
drivers/usb/core/hub.c | 9 +--
drivers/usb/gadget/composite.c | 7 +--
drivers/usb/gadget/function/f_printer.c | 28 ++-------
drivers/usb/gadget/function/u_ether.c | 14 +----
drivers/usb/gadget/function/u_serial.c | 4 +-
drivers/usb/gadget/function/uvc_queue.c | 5 +-
drivers/usb/gadget/legacy/inode.c | 10 ++--
drivers/usb/gadget/udc/dummy_hcd.c | 6 +-
drivers/usb/host/ehci-q.c | 6 +-
drivers/usb/host/xhci-dbgtty.c | 5 +-
drivers/usb/mon/mon_main.c | 7 +--
drivers/usb/mon/mon_text.c | 6 +-
drivers/usb/usbip/vudc_dev.c | 5 +-
drivers/usb/usbip/vudc_tx.c | 5 +-
drivers/video/fbdev/udlfb.c | 5 +-
drivers/watchdog/watchdog_core.c | 10 +---
drivers/xen/gntalloc.c | 5 +-
drivers/xen/gntdev.c | 6 +-
drivers/xen/xen-pciback/pci_stub.c | 6 +-
drivers/xen/xenbus/xenbus_dev_frontend.c | 5 +-
fs/afs/inode.c | 7 +--
fs/afs/write.c | 5 +-
fs/btrfs/backref.c | 10 +---
fs/btrfs/block-group.c | 47 +++------------
fs/btrfs/disk-io.c | 13 +---
fs/btrfs/inode.c | 12 +---
fs/btrfs/ordered-data.c | 7 +--
fs/btrfs/qgroup.c | 17 ++----
fs/btrfs/raid56.c | 6 +-
fs/btrfs/ref-verify.c | 16 ++---
fs/btrfs/relocation.c | 34 +++--------
fs/btrfs/transaction.c | 26 +++-----
fs/btrfs/tree-log.c | 6 +-
fs/btrfs/volumes.c | 12 +---
fs/btrfs/zstd.c | 5 +-
fs/ceph/caps.c | 17 ++----
fs/ceph/file.c | 6 +-
fs/ceph/mds_client.c | 12 ++--
fs/ceph/snap.c | 19 ++----
fs/char_dev.c | 8 +--
fs/dlm/lockspace.c | 6 +-
fs/dlm/member.c | 4 +-
fs/ecryptfs/kthread.c | 7 +--
fs/exfat/cache.c | 5 +-
fs/ext4/fast_commit.c | 7 +--
fs/ext4/page-io.c | 4 +-
fs/ext4/super.c | 5 +-
fs/fat/cache.c | 5 +-
fs/fuse/dev.c | 7 +--
fs/gfs2/bmap.c | 5 +-
fs/gfs2/glock.c | 4 +-
fs/gfs2/log.c | 8 +--
fs/gfs2/lops.c | 14 +----
fs/gfs2/quota.c | 6 +-
fs/gfs2/recovery.c | 5 +-
fs/gfs2/super.c | 4 +-
fs/inode.c | 7 +--
fs/locks.c | 5 +-
fs/namespace.c | 8 +--
fs/netfs/objects.c | 5 +-
fs/nfs/blocklayout/blocklayout.c | 8 +--
fs/nfs/dir.c | 5 +-
fs/nfs/filelayout/filelayoutdev.c | 11 +---
fs/nfs/flexfilelayout/flexfilelayoutdev.c | 18 +-----
fs/nfs/nfs42xattr.c | 11 +---
fs/nfs/nfs4client.c | 11 +---
fs/nfs/pnfs_nfs.c | 7 +--
fs/nfsd/filecache.c | 10 +---
fs/nfsd/nfs4layouts.c | 6 +-
fs/nfsd/nfs4state.c | 59 +++++--------------
fs/nfsd/nfscache.c | 4 +-
fs/nilfs2/gcinode.c | 4 +-
fs/nilfs2/mdt.c | 6 +-
fs/nilfs2/recovery.c | 14 ++---
fs/nilfs2/segment.c | 7 +--
fs/ocfs2/filecheck.c | 5 +-
fs/pnode.c | 24 +++-----
fs/proc/vmcore.c | 19 +++---
fs/smb/client/smbdirect.c | 6 +-
fs/smb/server/crypto_ctx.c | 7 +--
fs/smb/server/mgmt/share_config.c | 8 +--
fs/ubifs/commit.c | 6 +-
fs/ubifs/gc.c | 7 +--
fs/ubifs/replay.c | 5 +-
fs/ubifs/scan.c | 6 +-
fs/ubifs/super.c | 20 ++-----
fs/xfs/xfs_buf.c | 20 ++-----
fs/xfs/xfs_log_cil.c | 12 ++--
fs/xfs/xfs_qm.c | 8 +--
include/linux/list.h | 29 +++++++++
io_uring/io_uring.c | 9 +--
io_uring/kbuf.c | 8 +--
kernel/audit_tree.c | 9 +--
kernel/kthread.c | 10 ++--
kernel/padata.c | 10 +---
kernel/rcu/srcutiny.c | 6 +-
kernel/sched/fair.c | 6 +-
kernel/signal.c | 5 +-
net/9p/trans_fd.c | 8 +--
net/bluetooth/l2cap_core.c | 5 +-
net/ceph/osd_client.c | 8 +--
net/ceph/osdmap.c | 7 +--
net/ceph/pagelist.c | 15 ++---
net/core/dev.c | 15 +----
net/handshake/netlink.c | 5 +-
net/ipv6/addrconf.c | 16 +----
net/mac80211/ibss.c | 10 +---
net/mac80211/ocb.c | 10 +---
net/rds/send.c | 10 +---
net/rxrpc/call_object.c | 5 +-
net/rxrpc/conn_object.c | 6 +-
net/rxrpc/peer_event.c | 6 +-
net/sunrpc/auth.c | 5 +-
net/sunrpc/backchannel_rqst.c | 7 +--
net/sunrpc/cache.c | 10 +---
net/sunrpc/svc_xprt.c | 10 +---
net/sunrpc/xprt.c | 5 +-
net/sunrpc/xprtrdma/verbs.c | 9 +--
net/vmw_vsock/vmci_transport.c | 7 +--
net/wireless/core.c | 8 +--
net/wireless/reg.c | 7 +--
net/wireless/util.c | 5 +-
security/apparmor/lsm.c | 5 +-
sound/core/misc.c | 4 +-
sound/core/rawmidi.c | 5 +-
sound/core/timer.c | 9 +--
sound/core/ump.c | 5 +-
sound/hda/ext/hdac_ext_controller.c | 5 +-
sound/pci/ctxfi/ctimap.c | 7 +--
sound/pci/ctxfi/ctvmem.c | 14 +----
sound/pci/hda/hda_codec.c | 8 +--
sound/pci/hda/hda_controller.c | 5 +-
sound/soc/codecs/wm0010.c | 5 +-
sound/soc/soc-pcm.c | 5 +-
sound/usb/midi2.c | 6 +-
297 files changed, 645 insertions(+), 1966 deletions(-)
--
2.41.0
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