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/Linux-v5.4/fs/notify/
Dmark.c7 * fsnotify inode mark locking/lifetime/and refcnting
10 * The group->recnt and mark->refcnt tell how many "things" in the kernel
13 * the reference a group and a mark hold to each other.
22 * mark->lock
23 * mark->connector->lock
26 * each mark is hooked via the g_list. It also protects the groups private
29 * mark->lock protects the marks attributes like its masks and flags.
30 * Furthermore it protects the access to a reference of the group that the mark
32 * that is being watched by the mark.
34 * mark->connector->lock protects the list of marks anchored inside an
[all …]
Dfdinfo.c27 struct fsnotify_mark *mark)) in show_fdinfo() argument
30 struct fsnotify_mark *mark; in show_fdinfo() local
33 list_for_each_entry(mark, &group->marks_list, g_list) { in show_fdinfo()
34 show(m, mark); in show_fdinfo()
76 static void inotify_fdinfo(struct seq_file *m, struct fsnotify_mark *mark) in inotify_fdinfo() argument
81 if (mark->connector->type != FSNOTIFY_OBJ_TYPE_INODE) in inotify_fdinfo()
84 inode_mark = container_of(mark, struct inotify_inode_mark, fsn_mark); in inotify_fdinfo()
85 inode = igrab(fsnotify_conn_inode(mark->connector)); in inotify_fdinfo()
93 u32 mask = mark->mask & IN_ALL_EVENTS; in inotify_fdinfo()
96 mask, mark->ignored_mask); in inotify_fdinfo()
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Dfsnotify.c192 struct fsnotify_mark *mark; in send_to_group() local
203 mark = iter_info->marks[type]; in send_to_group()
204 if (mark && in send_to_group()
205 !(mark->flags & FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY)) in send_to_group()
206 mark->ignored_mask = 0; in send_to_group()
213 mark = iter_info->marks[type]; in send_to_group()
214 /* does the object mark tell us to do something? */ in send_to_group()
215 if (mark) { in send_to_group()
216 group = mark->group; in send_to_group()
217 marks_mask |= mark->mask; in send_to_group()
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/Linux-v5.4/net/netfilter/ipvs/
Dip_vs_wrr.c108 struct ip_vs_wrr_mark *mark; in ip_vs_wrr_init_svc() local
111 * Allocate the mark variable for WRR scheduling in ip_vs_wrr_init_svc()
113 mark = kmalloc(sizeof(struct ip_vs_wrr_mark), GFP_KERNEL); in ip_vs_wrr_init_svc()
114 if (mark == NULL) in ip_vs_wrr_init_svc()
117 mark->cl = list_entry(&svc->destinations, struct ip_vs_dest, n_list); in ip_vs_wrr_init_svc()
118 mark->di = ip_vs_wrr_gcd_weight(svc); in ip_vs_wrr_init_svc()
119 mark->mw = ip_vs_wrr_max_weight(svc) - (mark->di - 1); in ip_vs_wrr_init_svc()
120 mark->cw = mark->mw; in ip_vs_wrr_init_svc()
121 svc->sched_data = mark; in ip_vs_wrr_init_svc()
129 struct ip_vs_wrr_mark *mark = svc->sched_data; in ip_vs_wrr_done_svc() local
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/Linux-v5.4/tools/testing/selftests/tc-testing/tc-tests/actions/
Dskbedit.json4 "name": "Add skbedit action with valid mark",
17 "cmdUnderTest": "$TC actions add action skbedit mark 1",
20 "matchPattern": "action order [0-9]*: skbedit mark 1",
28 "name": "Add skbedit action with 32-bit maximum mark",
41 "cmdUnderTest": "$TC actions add action skbedit mark 4294967295 pipe index 1",
44 "matchPattern": "action order [0-9]*: skbedit mark 4294967295.*pipe.*index 1",
52 "name": "Add skbedit action with mark exceeding 32-bit maximum",
65 "cmdUnderTest": "$TC actions add action skbedit mark 666777888999",
68 "matchPattern": "action order [0-9]*: skbedit mark",
74 "name": "Add skbedit action with valid mark and mask",
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Dife.json4 "name": "Create valid ife encode action with mark and pass control",
17 "cmdUnderTest": "$TC actions add action ife encode allow mark pass index 2",
20 …"matchPattern": "action order [0-9]*: ife encode action pass.*type 0[xX]ED3E.*allow mark.*index 2",
28 "name": "Create valid ife encode action with mark and pipe control",
41 "cmdUnderTest": "$TC actions add action ife encode use mark 10 pipe index 2",
44 … "matchPattern": "action order [0-9]*: ife encode action pipe.*type 0[xX]ED3E.*use mark.*index 2",
52 "name": "Create valid ife encode action with mark and continue control",
65 "cmdUnderTest": "$TC actions add action ife encode allow mark continue index 2",
68 …chPattern": "action order [0-9]*: ife encode action continue.*type 0[xX]ED3E.*allow mark.*index 2",
76 "name": "Create valid ife encode action with mark and drop control",
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/Linux-v5.4/net/bridge/netfilter/
Debt_mark.c12 /* The mark target can be used in any chain,
29 skb->mark = info->mark; in ebt_mark_tg()
31 skb->mark |= info->mark; in ebt_mark_tg()
33 skb->mark &= info->mark; in ebt_mark_tg()
35 skb->mark ^= info->mark; in ebt_mark_tg()
58 compat_ulong_t mark; member
67 kern->mark = user->mark; in mark_tg_compat_from_user()
76 if (put_user(kern->mark, &user->mark) || in mark_tg_compat_to_user()
84 .name = "mark",
110 MODULE_DESCRIPTION("Ebtables: Packet mark modification");
Debt_mark_m.c22 return !!(skb->mark & info->mask) ^ info->invert; in ebt_mark_mt()
23 return ((skb->mark & info->mask) == info->mark) ^ info->invert; in ebt_mark_mt()
42 compat_ulong_t mark, mask; member
51 kern->mark = user->mark; in mark_mt_compat_from_user()
62 if (put_user(kern->mark, &user->mark) || in mark_mt_compat_to_user()
98 MODULE_DESCRIPTION("Ebtables: Packet mark match");
/Linux-v5.4/kernel/
Daudit_fsnotify.c23 * this mark lives on the parent directory of the inode in question.
30 struct fsnotify_mark mark; /* fsnotify mark on the inode */ member
47 static void audit_fsnotify_free_mark(struct fsnotify_mark *mark) in audit_fsnotify_free_mark() argument
51 audit_mark = container_of(mark, struct audit_fsnotify_mark, mark); in audit_fsnotify_free_mark()
55 char *audit_mark_path(struct audit_fsnotify_mark *mark) in audit_mark_path() argument
57 return mark->path; in audit_mark_path()
60 int audit_mark_compare(struct audit_fsnotify_mark *mark, unsigned long ino, dev_t dev) in audit_mark_compare() argument
62 if (mark->ino == AUDIT_INO_UNSET) in audit_mark_compare()
64 return (mark->ino == ino) && (mark->dev == dev); in audit_mark_compare()
97 fsnotify_init_mark(&audit_mark->mark, audit_fsnotify_group); in audit_alloc_mark()
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Daudit_tree.c28 struct fsnotify_mark *mark; member
41 struct fsnotify_mark mark; member
51 * audit_tree_mark (fsnotify mark). We replace struct chunk on tagging /
52 * untagging, the mark is stable as long as there is chunk attached. The
53 * association between mark and chunk is protected by hash_lock and
55 * audit_tree_group->mark_mutex and check that the mark is alive by
56 * FSNOTIFY_MARK_FLAG_ATTACHED flag check, we are sure the mark points to
77 * chunk is refcounted by embedded .refs. Mark associated with the chunk holds
78 * one chunk reference. This reference is dropped either when a mark is going
80 * mark gets replaced. This reference must be dropped using
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/Linux-v5.4/samples/bpf/
Dtest_cgrp2_sock.c30 static int prog_load(__u32 idx, __u32 mark, __u32 prio) in prog_load() argument
48 /* set mark on socket */ in prog_load()
55 /* if uid is 0, use given mark, else use the uid as the mark */ in prog_load()
58 BPF_MOV64_IMM(BPF_REG_3, mark), in prog_load()
60 /* set the mark on the new socket */ in prog_load()
62 BPF_MOV64_IMM(BPF_REG_2, offsetof(struct bpf_sock, mark)), in prog_load()
63 BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3, offsetof(struct bpf_sock, mark)), in prog_load()
83 if (mark) in prog_load()
103 if (mark) { in prog_load()
141 unsigned int mark = 0; in get_somark() local
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Dtest_cgrp2_sock.sh96 check_sock "dev , mark 0, priority 0" "No programs attached"
97 check_sock6 "dev , mark 0, priority 0" "No programs attached"
105 check_sock "dev cgrp2_sock, mark 0, priority 0" "Device set"
106 check_sock6 "dev cgrp2_sock, mark 0, priority 0" "Device set"
108 # verify mark is set
112 cleanup_and_exit 1 "Failed to install program to set mark"
114 check_sock "dev , mark 666, priority 0" "Mark set"
115 check_sock6 "dev , mark 666, priority 0" "Mark set"
123 check_sock "dev , mark 0, priority 123" "Priority set"
124 check_sock6 "dev , mark 0, priority 123" "Priority set"
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Dxdp2skb_meta_kern.c4 * Example howto transfer info from XDP to SKB, e.g. skb->mark
28 __u32 mark; member
57 meta->mark = 42; in _xdp_mark()
72 ctx->mark = 41; in _tc_mark()
78 ctx->mark = meta->mark; /* Transfer XDP-mark to SKB-mark */ in _tc_mark()
98 iptables -I INPUT -p icmp -m mark --mark 41 # == 0x29
99 iptables -I INPUT -p icmp -m mark --mark 42 # == 0x2a
/Linux-v5.4/include/linux/
Dfsnotify_backend.h111 * freeing_mark - called when a mark is being destroyed for some reason. The group
112 * MUST be holding a reference on each mark and that reference must be
123 void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
126 void (*free_mark)(struct fsnotify_mark *mark);
177 atomic_t num_marks; /* 1 for each mark and 1 for not being
259 struct fsnotify_mark *mark) in fsnotify_iter_set_report_type_mark() argument
261 iter_info->marks[type] = mark; in fsnotify_iter_set_report_type_mark()
309 * A mark is simply an object attached to an in core inode which allows an
320 * mnt->mnt_root->d_lock depending on the mark type.
323 /* Mask this mark is for [mark->lock, group->mark_mutex] */
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/Linux-v5.4/net/netfilter/ipset/
Dip_set_hash_ipmark.c4 /* Kernel module implementing an IP set type: the hash:ip,mark type */
28 IP_SET_MODULE_DESC("hash:ip,mark", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
29 MODULE_ALIAS("ip_set_hash:ip,mark");
40 __u32 mark; member
51 ip1->mark == ip2->mark; in hash_ipmark4_data_equal()
59 nla_put_net32(skb, IPSET_ATTR_MARK, htonl(data->mark))) in hash_ipmark4_data_list()
88 e.mark = skb->mark; in hash_ipmark4_kadt()
89 e.mark &= h->markmask; in hash_ipmark4_kadt()
121 e.mark = ntohl(nla_get_be32(tb[IPSET_ATTR_MARK])); in hash_ipmark4_uadt()
122 e.mark &= h->markmask; in hash_ipmark4_uadt()
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/Linux-v5.4/lib/
Dxarray.c22 * @mark is an xa_mark_t; a small number indicating one of the mark bits.
65 static inline void xa_mark_set(struct xarray *xa, xa_mark_t mark) in xa_mark_set() argument
67 if (!(xa->xa_flags & XA_FLAGS_MARK(mark))) in xa_mark_set()
68 xa->xa_flags |= XA_FLAGS_MARK(mark); in xa_mark_set()
71 static inline void xa_mark_clear(struct xarray *xa, xa_mark_t mark) in xa_mark_clear() argument
73 if (xa->xa_flags & XA_FLAGS_MARK(mark)) in xa_mark_clear()
74 xa->xa_flags &= ~(XA_FLAGS_MARK(mark)); in xa_mark_clear()
77 static inline unsigned long *node_marks(struct xa_node *node, xa_mark_t mark) in node_marks() argument
79 return node->marks[(__force unsigned)mark]; in node_marks()
83 unsigned int offset, xa_mark_t mark) in node_get_mark() argument
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/Linux-v5.4/drivers/misc/mic/scif/
Dscif_fence.c16 * The peer has requested a mark.
21 int mark = 0; in scif_recv_mark() local
24 err = _scif_fence_mark(ep, &mark); in scif_recv_mark()
30 msg->payload[2] = mark; in scif_recv_mark()
339 static int _scif_fence_wait(scif_epd_t epd, int mark) in _scif_fence_wait() argument
342 dma_cookie_t cookie = mark & ~SCIF_REMOTE_FENCE; in _scif_fence_wait()
369 int mark, err; in scif_rma_handle_remote_fences() local
381 mark = fence->msg.payload[2]; in scif_rma_handle_remote_fences()
382 err = _scif_fence_wait(ep, mark); in scif_rma_handle_remote_fences()
396 static int _scif_send_fence(scif_epd_t epd, int uop, int mark, int *out_mark) in _scif_send_fence() argument
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/Linux-v5.4/net/netfilter/
Dxt_connmark.c19 MODULE_DESCRIPTION("Xtables: connection mark operations");
40 newmark = (ct->mark & ~info->ctmask) ^ info->ctmark; in connmark_tg_shift()
46 if (ct->mark != newmark) { in connmark_tg_shift()
47 ct->mark = newmark; in connmark_tg_shift()
52 new_targetmark = (skb->mark & info->nfmask); in connmark_tg_shift()
58 newmark = (ct->mark & ~info->ctmask) ^ in connmark_tg_shift()
60 if (ct->mark != newmark) { in connmark_tg_shift()
61 ct->mark = newmark; in connmark_tg_shift()
66 new_targetmark = (ct->mark & info->ctmask); in connmark_tg_shift()
72 newmark = (skb->mark & ~info->nfmask) ^ in connmark_tg_shift()
[all …]
Dxt_mark.c18 MODULE_DESCRIPTION("Xtables: packet mark operations");
30 skb->mark = (skb->mark & ~info->mask) ^ info->mark; in mark_tg()
39 return ((skb->mark & info->mask) == info->mark) ^ info->invert; in mark_mt()
43 .name = "MARK",
52 .name = "mark",
Dnft_chain_route.c24 u32 mark; in nf_route_table_hook4() local
31 mark = skb->mark; in nf_route_table_hook4()
43 skb->mark != mark || in nf_route_table_hook4()
71 u32 mark, flowlabel; in nf_route_table_hook6() local
79 /* save source/dest address, mark, hoplimit, flowlabel, priority */ in nf_route_table_hook6()
82 mark = skb->mark; in nf_route_table_hook6()
92 skb->mark != mark || in nf_route_table_hook6()
Dxt_TPROXY.c76 skb->mark = (skb->mark & ~mark_mask) ^ mark_value; in tproxy_tg4()
78 pr_debug("redirecting: proto %hhu %pI4:%hu -> %pI4:%hu, mark: %x\n", in tproxy_tg4()
80 &laddr, ntohs(lport), skb->mark); in tproxy_tg4()
86 pr_debug("no socket, dropping: proto %hhu %pI4:%hu -> %pI4:%hu, mark: %x\n", in tproxy_tg4()
88 &iph->daddr, ntohs(hp->dest), skb->mark); in tproxy_tg4()
170 skb->mark = (skb->mark & ~tgi->mark_mask) ^ tgi->mark_value; in tproxy_tg6_v1()
172 pr_debug("redirecting: proto %hhu %pI6:%hu -> %pI6:%hu, mark: %x\n", in tproxy_tg6_v1()
174 laddr, ntohs(lport), skb->mark); in tproxy_tg6_v1()
180 pr_debug("no socket, dropping: proto %hhu %pI6:%hu -> %pI6:%hu, mark: %x\n", in tproxy_tg6_v1()
182 &iph->daddr, ntohs(hp->dest), skb->mark); in tproxy_tg6_v1()
/Linux-v5.4/Documentation/admin-guide/device-mapper/
Dlog-writes.rst77 mark <description>
79 You can use a dmsetup message to set an arbitrary mark in a log.
86 dmsetup message log 0 mark mkfs
89 This would allow you to replay the log up to the mkfs mark and
93 Every log has a mark at the end labeled "dm-log-writes-end".
110 dmsetup message log 0 mark mkfs
114 dmsetup message log 0 mark fsync
119 replay-log --log /dev/sdc --replay /dev/sdb --end-mark fsync
130 dmsetup message log 0 mark mkfs
138 replay-log --log /dev/sdc --replay /dev/sdb --end-mark mkfs
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/Linux-v5.4/net/sched/
Dact_meta_mark.c3 * net/sched/act_meta_mark.c IFE skb->mark metadata module
24 u32 ifemark = skb->mark; in skbmark_encode()
33 skb->mark = ntohl(ifemark); in skbmark_decode()
39 return ife_check_meta_u32(skb->mark, e); in skbmark_check()
46 .synopsis = "skb mark 32 bit metadata",
71 MODULE_DESCRIPTION("Inter-FE skb mark metadata module");
/Linux-v5.4/include/net/tc_act/
Dtc_skbedit.h17 u32 mark; member
30 /* Return true iff action is mark */
48 u32 mark; in tcf_skbedit_mark() local
51 mark = rcu_dereference(to_skbedit(a)->params)->mark; in tcf_skbedit_mark()
54 return mark; in tcf_skbedit_mark()
/Linux-v5.4/arch/powerpc/kernel/
Dsmp-tbsync.c26 volatile u64 mark; member
39 static void enter_contest(u64 mark, long add) in enter_contest() argument
41 while (get_tb() < mark) in enter_contest()
73 enter_contest(tbsync->mark, -1); in smp_generic_take_timebase()
82 u64 mark; in start_contest() local
90 tbsync->mark = mark = tb + 400; in start_contest()
101 enter_contest(mark, 1); in start_contest()

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