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/linux/fs/netfs/
H A Dread_collect.c18 #define HIT_PENDING 0x01 /* A front op was still pending */
21 #define NEED_RETRY 0x10 /* A front op requests retrying */
256 struct netfs_io_subrequest *front, *remove; in netfs_collect_read_results()
272 /* Remove completed subrequests from the front of the stream and in netfs_collect_read_results()
277 front = list_first_entry_or_null_acquire(&stream->subrequests, in netfs_collect_read_results()
281 while (front) { in netfs_collect_read_results()
284 trace_netfs_collect_sreq(rreq, front); in netfs_collect_read_results()
286 front->debug_index, front->start, front in netfs_collect_read_results()
240 struct netfs_io_subrequest *front, *remove; netfs_collect_read_results() local
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H A Dwrite_collect.c202 struct netfs_io_subrequest *front, *remove; in netfs_collect_write_results() local
234 front = list_first_entry_or_null_acquire(&stream->subrequests, in netfs_collect_write_results()
238 while (front) { in netfs_collect_write_results()
239 trace_netfs_collect_sreq(wreq, front); in netfs_collect_write_results()
243 if (stream->collected_to < front->start) { in netfs_collect_write_results()
245 stream->collected_to = front->start; in netfs_collect_write_results()
249 if (netfs_check_subreq_in_progress(front)) { in netfs_collect_write_results()
256 stream->collected_to = front->start + front->len; in netfs_collect_write_results()
260 if (front->start + front->transferred > stream->collected_to) { in netfs_collect_write_results()
261 stream->collected_to = front->start + front->transferred; in netfs_collect_write_results()
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/linux/Documentation/sound/designs/
H A Dchannel-mapping-api.rst18 ``{ front left, front right, rear left, rear right }.``
89 SNDRV_CHMAP_FL, /* front left */
90 SNDRV_CHMAP_FR, /* front right */
93 SNDRV_CHMAP_FC, /* front center */
99 SNDRV_CHMAP_FLC, /* front left center */
100 SNDRV_CHMAP_FRC, /* front right center */
103 SNDRV_CHMAP_FLW, /* front left wide */
104 SNDRV_CHMAP_FRW, /* front right wide */
105 SNDRV_CHMAP_FLH, /* front left high */
106 SNDRV_CHMAP_FCH, /* front center high */
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H A Dcontrol-names.rst34 Front front left/right channels
45 Front front position
/linux/drivers/md/bcache/
H A Dutil.h115 size_t front, back, size, mask; \
120 for (iter = (fifo)->front; \
133 (fifo)->front = (fifo)->back = 0; \
159 #define fifo_used(fifo) (((fifo)->back - (fifo)->front) & (fifo)->mask)
165 #define fifo_front(fifo) ((fifo)->data[(fifo)->front])
185 (i) = (fifo)->data[(fifo)->front++]; \
186 (fifo)->front &= (fifo)->mask; \
195 --(fifo)->front; \
196 (fifo)->front &= (fifo)->mask; \
197 (fifo)->data[(fifo)->front] = (i); \
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/linux/Documentation/admin-guide/
H A Dpstore-blk.rst78 The chunk size in KB for oops/panic front-end. It **MUST** be a multiple of 4.
81 There are multiple chunks for oops/panic front-end depending on the remaining
82 space except other pstore front-ends.
90 The chunk size in KB for pmsg front-end. It **MUST** be a multiple of 4.
93 Unlike oops/panic front-end, there is only one chunk for pmsg front-end.
102 The chunk size in KB for console front-end. It **MUST** be a multiple of 4.
105 Similar to pmsg front-end, there is only one chunk for console front-end.
113 The chunk size in KB for ftrace front-end. It **MUST** be a multiple of 4.
116 Similar to oops front-end, there are multiple chunks for ftrace front-end
186 files is ``dmesg-pstore-blk-[N]`` for oops/panic front-end,
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/linux/net/ceph/
H A Dmon_client.c180 monc->m_auth->front.iov_len = len; in __send_prepared_auth_request()
275 monc->m_auth->front.iov_base, in __open_session()
337 void *p = msg->front.iov_base; in __send_subscribe()
378 msg->front.iov_len = p - msg->front.iov_base; in __send_subscribe()
379 msg->hdr.front_len = cpu_to_le32(msg->front.iov_len); in __send_subscribe()
388 struct ceph_mon_subscribe_ack *h = msg->front.iov_base; in handle_subscribe_ack()
390 if (msg->front.iov_len < sizeof(*h)) in handle_subscribe_ack()
551 p = msg->front.iov_base; in ceph_monc_handle_map()
552 end = p + msg->front.iov_len; in ceph_monc_handle_map()
744 struct ceph_mon_statfs_reply *reply = msg->front.iov_base; in handle_statfs_reply()
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/linux/Documentation/block/
H A Ddeadline-iosched.rst62 request, or it fits at the front. That is called either a back merge candidate
63 or a front merge candidate. Due to the way files are typically laid out,
64 back merges are much more common than front merges. For some work loads, you
66 front merge requests. Setting front_merges to 0 disables this functionality.
69 rbtree front sector lookup when the io scheduler merge function is called.
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-inspur-nf5280m6.dts51 front-fan {
52 label = "front-fan";
56 front-psu {
57 label = "front-psu";
61 front-syshot {
62 label = "front-syshot";
66 front-memory {
67 label = "front-memory";
H A Daspeed-bmc-ibm-bonnell.dts298 label = "front-sys-id0";
306 label = "front-check-log0";
314 label = "front-enc-fault1";
322 label = "front-sys-pwron0";
H A Daspeed-bmc-ibm-balcones.dts301 label = "front-sys-id0";
309 label = "front-check-log0";
317 label = "front-enc-fault1";
325 label = "front-sys-pwron0";
/linux/Documentation/driver-api/media/
H A Ddtv-demux.rst20 Each demux receives its TS input from a DVB front-end or from memory, as
21 set via this demux kABI. In a system with more than one front-end, the kABI
22 can be used to select one of the DVB front-ends as a TS source for a demux,
25 The demux kABI only controls front-ends regarding to their connections with
26 demuxes; the kABI used to set the other front-end parameters, such as
/linux/Documentation/userspace-api/media/dvb/
H A Dfrontend_f_open.rst57 In a system with multiple front-ends, it is usually the case that
59 long as a front-end device is opened in read/write mode, other open()
61 non-blocking or blocking mode was specified. A front-end device opened
67 powered up, and that other front-ends may have been powered down to make
H A Dfrontend_f_close.rst33 This system call closes a previously opened front-end device. After
34 closing a front-end device, its corresponding hardware might be powered
/linux/arch/arm/boot/dts/marvell/
H A Darmada-385-clearfog-gtr.dtsi25 front panel and PSE controller
44 41 - CON1 front panel connector
45 42 - Front LED1, or front panel CON1
48 45 - TPM PIRQ signal, or front panel CON1
54 52 - Front LED2, or front panel
131 i2c@11000 { /* ROM, temp sensor and front panel */
149 cf_gtr_front_button_pins: cf-gtr-front-button-pins {
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-i2c-devices-turris-omnia-mcu29 Description: (RW) The front button on the Turris Omnia router can be
31 front panel, or to send the press event to the CPU as an
48 front button.
50 This file configures whether front button power on is enabled.
/linux/Documentation/sound/cards/
H A Dsb-live-mixer.rst66 The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
100 The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
137 This control is used to attenuate samples from left and right front ADC PCM slots
138 of the AC97 codec. The result samples are forwarded to the front DAC PCM
148 This control is used to attenuate samples from left and right front ADC PCM slots
160 forwarded to the front DAC PCM slots of the AC97 codec.
172 forwarded to the front DAC PCM slots of the AC97 codec.
183 digital input. The result samples are forwarded to the front DAC PCM slots
195 digital inputs. The result samples are forwarded to the front DAC PCM slots
207 inputs (on the LiveDrive). The result samples are forwarded to the front
[all …]
H A Dcmipci.rst12 channels can be used for front/rear playbacks. Since there are two
17 card#0) for front and 4/6ch playbacks, while the second PCM device
43 front one) and was so excited. It was even with "Four Channel" bit
45 from front and rear speakers! But.. after reboot, all was gone.
56 The "Exchange DAC" switch is used to exchange front and rear playback
57 routes, i.e. the 2nd DAC is output from front output.
/linux/fs/ceph/
H A Dmds_client.c852 info->head = msg->front.iov_base; in parse_reply_info()
853 p = msg->front.iov_base + sizeof(struct ceph_mds_reply_head); in parse_reply_info()
854 end = p + msg->front.iov_len - sizeof(struct ceph_mds_reply_head); in parse_reply_info()
1552 h = msg->front.iov_base; in ceph_create_session_msg()
1691 p = msg->front.iov_base; in create_session_full_msg()
1692 end = p + msg->front.iov_len; in create_session_full_msg()
1749 msg->front.iov_len = p - msg->front.iov_base; in create_session_full_msg()
1750 msg->hdr.front_len = cpu_to_le32(msg->front.iov_len); in create_session_full_msg()
2530 head = msg->front.iov_base; in ceph_send_cap_releases()
2532 msg->front.iov_len = sizeof(*head); in ceph_send_cap_releases()
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/linux/drivers/platform/cznic/
H A DKconfig40 - get front button press events (the front button can be configured
41 either to generate press events to the CPU or to change front LEDs
/linux/Documentation/sound/hd-audio/
H A Dmodels.rst12 5-jack in back, 2-jack in front
14 5-jack in back, 2-jack in front, a SPDIF out
16 6-jack in back, 2-jack in front
352 no-front-hp
353 Disable front HP pin NID 0x1b
418 3-jack in back, 2-jack in front
420 6-jack in back, 2-jack in front
422 6-jack in back, 2-jack in front, SPDIF I/O
424 5-jack in back, 2-jack in front, SPDIF out
433 3-stack with automute front HP (default)
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/linux/fs/f2fs/
H A Dextent_cache.c159 struct extent_info *front, enum extent_type type) in __is_extent_mergeable() argument
165 if (front->c_len && front->len != front->c_len) in __is_extent_mergeable()
168 return (back->fofs + back->len == front->fofs && in __is_extent_mergeable()
169 back->blk + back->len == front->blk); in __is_extent_mergeable()
171 return (back->fofs + back->len == front->fofs && in __is_extent_mergeable()
172 abs(back->age - front->age) <= SAME_AGE_REGION && in __is_extent_mergeable()
173 abs(back->last_blocks - front->last_blocks) <= in __is_extent_mergeable()
186 struct extent_info *front, enum extent_type type) in __is_front_mergeable() argument
188 return __is_extent_mergeable(cur, front, type); in __is_front_mergeable()
/linux/net/sched/
H A Dsch_qfq.c171 unsigned int front; /* Index of the front slot. */ member
908 i = (grp->front + slot) % QFQ_MAX_SLOTS; in qfq_slot_insert()
917 return hlist_entry(grp->slots[grp->front].first, in qfq_slot_head()
930 if (hlist_empty(&grp->slots[grp->front])) in qfq_front_slot_remove()
951 grp->front = (grp->front + i) % QFQ_MAX_SLOTS; in qfq_slot_scan()
972 grp->front = (grp->front - i) % QFQ_MAX_SLOTS; in qfq_slot_rotate()
1367 i = (grp->front + offset) % QFQ_MAX_SLOTS; in qfq_slot_remove()
1413 } else if (hlist_empty(&grp->slots[grp->front])) { in qfq_deactivate_agg()
/linux/drivers/macintosh/
H A DKconfig77 bool "Support for the Power/iBook front LED"
82 Support the front LED on Power/iBooks as a generic LED that can
88 bool "Use front LED as DISK LED by default"
95 This option makes the front LED default to the disk trigger
249 tristate "Support for Apple XServe front panel LEDs"
252 This driver provides some support to control the front panel
/linux/tools/testing/selftests/bpf/progs/
H A Drefcounted_kptr.c470 struct bpf_list_node *front, *back; in list_is_edge_test2() local
485 front = bpf_list_front(&head); in list_is_edge_test2()
487 if (!front || !back) { in list_is_edge_test2()
492 if (!bpf_list_is_first(&head, front) || bpf_list_is_last(&head, front)) { in list_is_edge_test2()

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