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/linux/drivers/iio/
H A Dindustrialio-backend.c60 struct iio_backend *back; member
227 pair->back = back; in devm_iio_backend_request_buffer()
315 return back; in devm_iio_backend_get()
351 return back; in __devm_iio_backend_get_from_fwnode_lookup()
364 return back->priv; in iio_backend_get_priv()
373 list_del(&back->entry); in iio_backend_unregister()
401 back = devm_kzalloc(dev, sizeof(*back), GFP_KERNEL); in devm_iio_backend_register()
402 if (!back) in devm_iio_backend_register()
405 back->ops = ops; in devm_iio_backend_register()
407 back->dev = dev; in devm_iio_backend_register()
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/linux/include/linux/iio/
H A Dbackend.h42 int (*enable)(struct iio_backend *back);
43 void (*disable)(struct iio_backend *back);
44 int (*chan_enable)(struct iio_backend *back, unsigned int chan);
45 int (*chan_disable)(struct iio_backend *back, unsigned int chan);
46 int (*data_format_set)(struct iio_backend *back, unsigned int chan,
48 struct iio_buffer *(*request_buffer)(struct iio_backend *back,
50 void (*free_buffer)(struct iio_backend *back,
54 int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan);
55 int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan);
56 int devm_iio_backend_enable(struct device *dev, struct iio_backend *back);
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/linux/drivers/net/ethernet/intel/ice/
H A Dice_fltr.c61 struct ice_pf *pf = hw->back; in ice_fltr_set_vlan_vsi_promisc()
85 struct ice_pf *pf = hw->back; in ice_fltr_clear_vlan_vsi_promisc()
108 struct ice_pf *pf = hw->back; in ice_fltr_clear_vsi_promisc()
131 struct ice_pf *pf = hw->back; in ice_fltr_set_vsi_promisc()
150 return ice_add_mac(&vsi->back->hw, list); in ice_fltr_add_mac_list()
160 return ice_remove_mac(&vsi->back->hw, list); in ice_fltr_remove_mac_list()
170 return ice_add_vlan(&vsi->back->hw, list); in ice_fltr_add_vlan_list()
181 return ice_remove_vlan(&vsi->back->hw, list); in ice_fltr_remove_vlan_list()
191 return ice_add_eth_mac(&vsi->back->hw, list); in ice_fltr_add_eth_list()
201 return ice_remove_eth_mac(&vsi->back->hw, list); in ice_fltr_remove_eth_list()
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H A Dice_vsi_vlan_lib.c65 struct ice_pf *pf = vsi->back; in ice_vsi_del_vlan()
92 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_manage_vlan_insertion()
132 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_manage_vlan_stripping()
236 struct ice_hw *hw = &vsi->back->hw; in __ice_vsi_set_inner_port_vlan()
289 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_clear_inner_port_vlan()
337 pf = vsi->back; in ice_cfg_vlan_pruning()
466 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_ena_outer_stripping()
524 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_dis_outer_stripping()
575 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_ena_outer_insertion()
631 struct ice_hw *hw = &vsi->back->hw; in ice_vsi_dis_outer_insertion()
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H A Dice_lib.c52 ice_flush(&vsi->back->hw); in ice_vsi_ctrl_all_rx_rings()
72 struct ice_pf *pf = vsi->back; in ice_vsi_alloc_arrays()
171 struct ice_pf *pf = vsi->back; in ice_vsi_set_num_qs()
278 struct ice_pf *pf = vsi->back; in ice_vsi_delete_from_hw()
439 if (!vsi || !vsi->back) in ice_vsi_free()
442 pf = vsi->back; in ice_vsi_free()
626 vsi->back = pf; in ice_vsi_alloc()
1134 pf = vsi->back; in ice_set_rss_vsi_ctx()
2830 if (!vsi->back) in ice_vsi_release()
2832 pf = vsi->back; in ice_vsi_release()
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H A Dice_arfs.c28 struct ice_pf *pf = hw->back; in ice_is_arfs_using_perfect_flow()
112 dev = ice_pf_to_dev(vsi->back); in ice_arfs_del_flow_rules()
117 result = ice_fdir_write_fltr(vsi->back, &e->fltr_info, false, in ice_arfs_del_flow_rules()
149 dev = ice_pf_to_dev(vsi->back); in ice_arfs_add_flow_rules()
154 result = ice_fdir_write_fltr(vsi->back, in ice_arfs_add_flow_rules()
223 dev = ice_pf_to_dev(vsi->back); in ice_arfs_update_flow_rules()
308 arfs_entry = devm_kzalloc(ice_pf_to_dev(vsi->back), in ice_arfs_build_entry()
414 pf = vsi->back; in ice_rx_flow_steer()
547 if (!vsi || vsi->type != ICE_VSI_PF || !vsi->back || in ice_clear_arfs()
551 dev = ice_pf_to_dev(vsi->back); in ice_clear_arfs()
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H A Dice_base.c104 struct ice_pf *pf = vsi->back; in ice_vsi_alloc_q_vector()
181 struct ice_pf *pf = vsi->back; in ice_free_q_vector()
299 struct ice_hw *hw = &vsi->back->hw; in ice_setup_tx_ctx()
390 hw = &vsi->back->hw; in ice_setup_rx_ctx()
709 struct ice_pf *pf = vsi->back; in ice_vsi_ctrl_one_rx_ring()
747 struct ice_pf *pf = vsi->back; in ice_vsi_wait_one_rx_ring()
761 struct device *dev = ice_pf_to_dev(vsi->back); in ice_vsi_alloc_q_vectors()
875 struct ice_pf *pf = vsi->back; in ice_vsi_cfg_txq()
1039 struct ice_pf *pf = vsi->back; in ice_cfg_txq_interrupt()
1071 struct ice_pf *pf = vsi->back; in ice_cfg_rxq_interrupt()
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H A Dice_vf_vsi_vlan_ops.c27 struct ice_pf *pf = vsi->back; in ice_port_vlan_on()
60 struct ice_pf *pf = vsi->back; in ice_port_vlan_off()
133 struct ice_pf *pf = vsi->back; in ice_vf_vsi_init_vlan_ops()
176 if (!ice_is_dvm_ena(&vsi->back->hw) || ice_vf_is_port_vlan_ena(vf)) in ice_vf_vsi_cfg_dvm_legacy_vlan_mode()
243 if (ice_is_dvm_ena(&vsi->back->hw) || ice_vf_is_port_vlan_ena(vf)) in ice_vf_vsi_cfg_svm_legacy_vlan_mode()
/linux/drivers/iio/adc/
H A Dadi-axi-adc.c64 static int axi_adc_enable(struct iio_backend *back) in axi_adc_enable() argument
66 struct adi_axi_adc_state *st = iio_backend_get_priv(back); in axi_adc_enable()
79 static void axi_adc_disable(struct iio_backend *back) in axi_adc_disable() argument
81 struct adi_axi_adc_state *st = iio_backend_get_priv(back); in axi_adc_disable()
89 struct adi_axi_adc_state *st = iio_backend_get_priv(back); in axi_adc_data_format_set()
107 static int axi_adc_chan_enable(struct iio_backend *back, unsigned int chan) in axi_adc_chan_enable() argument
109 struct adi_axi_adc_state *st = iio_backend_get_priv(back); in axi_adc_chan_enable()
117 struct adi_axi_adc_state *st = iio_backend_get_priv(back); in axi_adc_chan_disable()
123 static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, in axi_adc_request_buffer() argument
126 struct adi_axi_adc_state *st = iio_backend_get_priv(back); in axi_adc_request_buffer()
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H A Dad9467.c117 struct iio_backend *back; member
396 ret = iio_backend_chan_enable(st->back, c); in ad9467_update_scan_mode()
398 ret = iio_backend_chan_disable(st->back, c); in ad9467_update_scan_mode()
460 ret = iio_backend_data_format_set(st->back, c, &data); in ad9467_setup()
488 st->back = devm_iio_backend_get(dev, NULL); in ad9467_iio_backend_get()
489 if (!IS_ERR(st->back)) in ad9467_iio_backend_get()
492 if (PTR_ERR(st->back) != -ENOENT) in ad9467_iio_backend_get()
493 return PTR_ERR(st->back); in ad9467_iio_backend_get()
515 st->back = __devm_iio_backend_get_from_fwnode_lookup(dev, in ad9467_iio_backend_get()
518 return PTR_ERR_OR_ZERO(st->back); in ad9467_iio_backend_get()
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/linux/fs/bcachefs/
H A Dfifo.h9 size_t front, back, size, mask; \
22 (fifo)->front = (fifo)->back = 0; \
39 swap((l)->back, (r)->back); \
53 #define fifo_used(fifo) (((fifo)->back - (fifo)->front))
56 #define fifo_empty(fifo) ((fifo)->front == (fifo)->back)
60 #define fifo_peek_back(fifo) ((fifo)->data[((fifo)->back - 1) & (fifo)->mask])
64 ? (fifo)->front : (fifo)->back) & ~(fifo)->mask) + \
71 (fifo_full((f)) ? NULL : &(f)->data[(f)->back++ & (f)->mask])
104 (i) = (fifo)->data[--(fifo)->back & (fifo)->mask]; \
116 ((_iter != (_fifo)->back) && \
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/linux/drivers/net/ethernet/netronome/nfp/crypto/
H A Dtls.c189 return &req->back; in nfp_net_tls_set_ipv4()
209 return &req->back; in nfp_net_tls_set_ipv6()
222 back->src_port = 0; in nfp_net_tls_set_l4()
223 back->dst_port = 0; in nfp_net_tls_set_l4()
225 back->src_port = inet->inet_dport; in nfp_net_tls_set_l4()
226 back->dst_port = inet->inet_sport; in nfp_net_tls_set_l4()
273 struct nfp_crypto_req_add_back *back; in nfp_net_tls_add() local
334 back->counter = 0; in nfp_net_tls_add()
355 if (!WARN_ON_ONCE((u8 *)back < skb->head || in nfp_net_tls_add()
356 (u8 *)back > skb_end_pointer(skb)) && in nfp_net_tls_add()
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/linux/Documentation/scsi/
H A Dsd-parameters.rst16 write back 1 0 on on
17 write back, no read (daft) 1 1 on off
20 To set cache type to "write back" and save this setting to the drive::
22 # echo "write back" > cache_type
27 # echo "temporary write back" > cache_type
/linux/fs/erofs/
H A Dnamei.c50 int head, back; in find_target_dirent() local
56 back = ndirents - 1; in find_target_dirent()
59 while (head <= back) { in find_target_dirent()
60 const int mid = head + (back - head) / 2; in find_target_dirent()
81 back = mid - 1; in find_target_dirent()
93 int head = 0, back = erofs_iblks(dir) - 1; in erofs_find_target_block() local
97 while (head <= back) { in erofs_find_target_block()
98 const int mid = head + (back - head) / 2; in erofs_find_target_block()
135 back = mid - 1; in erofs_find_target_block()
/linux/drivers/net/ethernet/hisilicon/hns3/hns3pf/
H A Dhclge_mbx.c36 struct hclge_dev *hdev = vport->back; in hclge_gen_resp_to_vf()
95 struct hclge_dev *hdev = vport->back; in hclge_send_mbx_msg()
142 struct hclge_dev *hdev = vport->back; in hclge_inform_reset_assert_to_vf()
186 struct hclge_dev *hdev = vport->back; in hclge_get_ring_chain_from_mbx()
265 struct hclge_dev *hdev = vport->back; in hclge_query_ring_vector_map()
338 struct hclge_dev *hdev = vport->back; in hclge_set_vf_promisc_mode()
360 struct hclge_dev *hdev = vport->back; in hclge_set_vf_uc_mac_addr()
402 struct hclge_dev *hdev = vport->back; in hclge_set_vf_mc_mac_addr()
443 struct hclge_dev *hdev = vport->back; in hclge_set_vf_vlan_cfg()
517 struct hclge_dev *hdev = vport->back; in hclge_get_vf_queue_info()
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H A Dhclge_dcb.c72 struct hclge_dev *hdev = vport->back; in hclge_ieee_getets()
256 struct hclge_dev *hdev = vport->back; in hclge_ieee_setets()
306 struct hclge_dev *hdev = vport->back; in hclge_ieee_getpfc()
330 struct hclge_dev *hdev = vport->back; in hclge_ieee_setpfc()
398 struct hclge_dev *hdev = vport->back; in hclge_ieee_setapp()
444 struct hclge_dev *hdev = vport->back; in hclge_ieee_delapp()
485 struct hclge_dev *hdev = vport->back; in hclge_getdcbx()
497 struct hclge_dev *hdev = vport->back; in hclge_setdcbx()
599 struct hclge_dev *hdev = vport->back; in hclge_setup_tc()
/linux/Documentation/ABI/testing/
H A Dsysfs-class-bdi38 total write-back cache that relates to its current average
42 percentage of the write-back cache to a particular device.
52 total write-back cache that relates to its current average
56 of the write-back cache to a particular device. The value is
67 given percentage of the write-back cache. This is useful in
69 most of the write-back cache. For example in case of an NFS
80 given value of the write-back cache. The value is given as part
93 total write-back cache that relates to its current average
97 percentage of the write-back cache to a particular device
108 given 'max_bytes' of the write-back cache. This is useful in
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H A Dsysfs-bus-surface_aggregator-tabletsw18 - "folded-canvas": The type-cover has been folded back
19 part-ways, but does not lie flush with the back side of the
23 - "folded-back": The type cover has been fully folded back and
24 lies flush with the back side of the device.
47 back and the device operates mainly based on touch input.
/linux/lib/lz4/
H A Dlz4hc_compress.c208 int back = 0; in LZ4HC_InsertAndGetWiderMatch() local
212 && (ip[back - 1] == matchPtr[back - 1])) in LZ4HC_InsertAndGetWiderMatch()
213 back--; in LZ4HC_InsertAndGetWiderMatch()
215 mlt -= back; in LZ4HC_InsertAndGetWiderMatch()
219 *matchpos = matchPtr + back; in LZ4HC_InsertAndGetWiderMatch()
220 *startpos = ip + back; in LZ4HC_InsertAndGetWiderMatch()
229 int back = 0; in LZ4HC_InsertAndGetWiderMatch() local
243 && (ip[back - 1] == matchPtr[back - 1])) in LZ4HC_InsertAndGetWiderMatch()
244 back--; in LZ4HC_InsertAndGetWiderMatch()
246 mlt -= back; in LZ4HC_InsertAndGetWiderMatch()
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/linux/Documentation/driver-api/md/
H A Draid5-cache.rst8 since 4.4) or write-back mode (supported since 4.10). mdadm (supported since
11 in write-through mode. A user can switch it to write-back mode by::
13 echo "write-back" > /sys/block/md0/md/journal_mode
15 And switch it back to write-through mode by::
30 tries to resync the array to bring it back to normal state. But before the
47 write-back mode
50 write-back mode fixes the 'write hole' issue too, since all write data is
51 cached on cache disk. But the main goal of 'write-back' cache is to speed up
56 overhead too. Write-back cache will aggregate the data and flush the data to
61 In write-back mode, MD reports IO completion to upper layer (usually
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/linux/drivers/md/bcache/
H A Dutil.h115 size_t front, back, size, mask; \
121 c = (fifo)->data[iter], iter != (fifo)->back; \
133 (fifo)->front = (fifo)->back = 0; \
159 #define fifo_used(fifo) (((fifo)->back - (fifo)->front) & (fifo)->mask)
167 ((fifo)->data[((fifo)->back - 1) & (fifo)->mask])
175 (fifo)->data[(fifo)->back++] = (i); \
176 (fifo)->back &= (fifo)->mask; \
206 --(fifo)->back; \
207 (fifo)->back &= (fifo)->mask; \
208 (i) = (fifo)->data[(fifo)->back] \
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/linux/scripts/coccinelle/iterators/
H A Dlist_entry_update.cocci5 /// that there is a path from the reassignment back to the top of the loop.
39 @back depends on (org || report) && !context exists@
49 @script:python depends on back && org@
57 @script:python depends on back && report@
/linux/drivers/net/ethernet/intel/i40e/
H A Di40e_main.c351 struct i40e_pf *pf = vsi->back; in i40e_tx_timeout()
717 struct i40e_pf *pf = vsi->back; in i40e_update_eth_stats()
865 struct i40e_pf *pf = vsi->back; in i40e_update_vsi_stats()
2571 pf = vsi->back; in i40e_sync_vsi_filters()
5746 pf = vsi->back; in i40e_update_adq_vsi_queues()
11510 vsi->back = pf; in i40e_vsi_mem_alloc()
11603 if (!vsi->back) in i40e_vsi_clear()
11605 pf = vsi->back; in i40e_vsi_clear()
13851 if (vsi == vsi->back->vsi[vsi->back->lan_vsi]) in i40e_vsi_delete()
14153 pf = vsi->back; in i40e_vsi_release()
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/linux/arch/mips/include/asm/octeon/
H A Dcvmx-packet.h52 uint64_t back:4; member
63 uint64_t back:4;
/linux/fs/xfs/libxfs/
H A Dxfs_da_btree.c150 to->back = be32_to_cpu(from3->hdr.info.hdr.back); in xfs_da3_node_hdr_from_disk()
158 to->back = be32_to_cpu(from->hdr.info.back); in xfs_da3_node_hdr_from_disk()
178 to3->hdr.info.hdr.back = cpu_to_be32(from->back); in xfs_da3_node_hdr_to_disk()
185 to->hdr.info.back = cpu_to_be32(from->back); in xfs_da3_node_hdr_to_disk()
652 if (node->hdr.info.back) { in xfs_da3_split()
1180 ASSERT(!blkinfo->back); in xfs_da_blkinfo_onlychild_validate()
1329 blkno = nodehdr.back; in xfs_da3_node_toosmall()
1859 new_info->back = old_info->back; in xfs_da3_blk_link()
1860 if (old_info->back) { in xfs_da3_blk_link()
1939 save_info->back = drop_info->back; in xfs_da3_blk_unlink()
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