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/linux-6.12.1/fs/overlayfs/
Dexport.c36 * Before encoding a non-upper directory file handle from real layer N, we need
48 * copied up and renamed, upper dir /a will be indexed by lower dir /a from
88 /* We can get upper/overlay path from indexed/lower dentry */ in ovl_connectable_layer()
154 * encoding also after copy up. If non-pure upper is not indexed, then it was
156 * about staying consistent with pre copy up encoding and we encode an upper
157 * file handle. Overlay root dentry is a private case of non-indexed upper.
164 * Pure upper | U
165 * Non-indexed upper | U
166 * Indexed upper | L (*)
167 * Non-upper | L (*)
[all …]
Dnamei.c187 * upper file handle could become stale when upper file is in ovl_decode_real_fh()
563 is_upper ? "upper" : "origin", real, in ovl_verify_origin_xattr()
569 /* Get upper dentry from index */
574 struct dentry *upper; in ovl_index_upper() local
583 upper = ovl_decode_real_fh(ofs, fh, ovl_upper_mnt(ofs), connected); in ovl_index_upper()
586 if (IS_ERR_OR_NULL(upper)) in ovl_index_upper()
587 return upper ?: ERR_PTR(-ESTALE); in ovl_index_upper()
589 if (!d_is_dir(upper)) { in ovl_index_upper()
590 pr_warn_ratelimited("invalid index upper (%pd2, upper=%pd2).\n", in ovl_index_upper()
591 index, upper); in ovl_index_upper()
[all …]
Dcopy_up.c190 * We cannot set immutable and append-only flags on upper inode, in ovl_copy_fileattr()
191 * because we would not be able to link upper inode to upper dir in ovl_copy_fileattr()
192 * not set overlay private xattr on upper inode. in ovl_copy_fileattr()
198 pr_warn_once("copying fileattr: no xattr on upper\n"); in ovl_copy_fileattr()
210 * Returning an error if upper doesn't support fileattr will in ovl_copy_fileattr()
214 pr_warn_once("copying fileattr: no support on upper\n"); in ovl_copy_fileattr()
217 pr_warn("failed to retrieve upper fileattr (%pd2, err=%i)\n", in ovl_copy_fileattr()
327 * We do not hold upper sb_writers throughout the loop to avert in ovl_copy_up_file()
329 * - upper sb_writers in ovl_copy_up_file()
479 * up and a pure upper inode. in ovl_get_origin_fh()
[all …]
Dsuper.c33 struct dentry *upper, *lower; in ovl_d_real() local
49 upper = ovl_dentry_upper(dentry); in ovl_d_real()
50 if (upper && (type == D_REAL_METADATA || in ovl_d_real()
52 return upper; in ovl_d_real()
110 struct dentry *upper; in ovl_dentry_revalidate_common() local
120 upper = ovl_i_dentry_upper(inode); in ovl_dentry_revalidate_common()
121 if (upper) in ovl_dentry_revalidate_common()
122 ret = ovl_revalidate_real(upper, flags, weak); in ovl_dentry_revalidate_common()
197 /* Sync real dirty inodes in upper filesystem (if it exists) */
237 * Get the filesystem statistics. As writes always target the upper layer
[all …]
Ddir.c235 static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper, in ovl_set_opaque_xerr() argument
241 err = ovl_check_setxattr(ofs, upper, OVL_XATTR_OPAQUE, "y", 1, xerr); in ovl_set_opaque_xerr()
251 * Fail with -EIO when trying to create opaque dir and upper doesn't in ovl_set_opaque()
259 * Common operations required to be done after creation of file on upper.
307 /* Force lookup of new upper hardlink to find its lower */ in ovl_instantiate()
371 struct dentry *upper; in ovl_clear_empty() local
392 upper = upperpath.dentry; in ovl_clear_empty()
393 if (upper->d_parent->d_inode != udir) in ovl_clear_empty()
415 err = ovl_do_rename(ofs, wdir, opaquedir, udir, upper, RENAME_EXCHANGE); in ovl_clear_empty()
419 ovl_cleanup_whiteouts(ofs, upper, list); in ovl_clear_empty()
[all …]
Dutil.c20 /* Get write access to upper mnt - may fail if upper sb was remounted ro */
27 /* Get write access to upper sb - may block if upper sb is frozen */
493 * to return positive, while there's no actual upper alias for the inode.
494 * Copy up code needs to know about the existence of the upper alias, so it
632 * Use this over ovl_is_whiteout for upper and lower files, as it also
690 * Check if copy-up has happened as well as for upper alias (in in ovl_already_copied_up()
697 * upper dentry is up-to-date in ovl_already_copied_up()
699 * upper parent i_rwsem to prevent reordering copy-up in ovl_already_copied_up()
711 * The copy up "transaction" keeps an elevated mnt write count on upper mnt,
712 * but leaves taking freeze protection on upper sb to lower level helpers.
[all …]
/linux-6.12.1/tools/testing/selftests/drivers/net/mlxsw/
Dq_in_q_veto.sh58 check_fail $? "$netdev_proto vlan upper creation on top of an $bridge_proto bridge not rejected"
63 …check_err $? "$netdev_proto vlan upper creation on top of an $bridge_proto bridge rejected without…
65 log_test "create $netdev_proto vlan upper on top $bridge_proto bridge"
76 check_fail $? "802.1ad vlan upper creation on top of a front panel not rejected"
81 check_err $? "802.1ad vlan upper creation on top of a front panel rejected without extack"
83 log_test "create 802.1ad vlan upper on top of a front panel"
99 check_fail $? "802.1ad vlan upper creation on top of a bridge port not rejected"
104 check_err $? "802.1ad vlan upper creation on top of a bridge port rejected without extack"
106 log_test "create 802.1ad vlan upper on top of a bridge port"
121 check_fail $? "802.1ad vlan upper creation on top of a lag not rejected"
[all …]
/linux-6.12.1/Documentation/filesystems/
Doverlayfs.rst27 upper filesystem that is providing the object. Similarly st_ino will
83 Upper and Lower
86 An overlay filesystem combines two filesystems - an 'upper' filesystem
88 object in the 'upper' filesystem is visible while the object in the
90 merged with the 'upper' object.
92 It would be more correct to refer to an upper and lower 'directory
95 requirement that the root of a filesystem be given for either upper or
101 writable. The lower filesystem can even be another overlayfs. The upper
113 upper and lower filesystems and refers to a non-directory in either,
114 then the lower object is hidden - the name refers only to the upper
[all …]
/linux-6.12.1/arch/parisc/kernel/
Dsignal32.c45 sure to clear the upper 32-bits */ in restore_sigcontext32()
52 /* Load upper half */ in restore_sigcontext32()
66 /* Load upper half */ in restore_sigcontext32()
69 DBG(2,"restore_sigcontext32: upper half of iaoq[0] = %#lx\n", compat_regt); in restore_sigcontext32()
74 /* Load upper half */ in restore_sigcontext32()
77 DBG(2,"restore_sigcontext32: upper half of iaoq[1] = %#lx\n", compat_regt); in restore_sigcontext32()
84 /* Load the upper half for iasq */ in restore_sigcontext32()
87 DBG(2,"restore_sigcontext32: upper half of iasq[0] = %#lx\n", compat_regt); in restore_sigcontext32()
90 /* Load the upper half for iasq */ in restore_sigcontext32()
93 DBG(2,"restore_sigcontext32: upper half of iasq[1] = %#lx\n", compat_regt); in restore_sigcontext32()
[all …]
/linux-6.12.1/drivers/net/ethernet/meta/fbnic/
Dfbnic_hw_stats.c5 u32 prev_upper, upper, lower, diff; in fbnic_stat_rd64() local
9 upper = rd32(fbd, reg + offset); in fbnic_stat_rd64()
11 diff = upper - prev_upper; in fbnic_stat_rd64()
13 return ((u64)upper << 32) | lower; in fbnic_stat_rd64()
17 "Stats inconsistent, upper 32b of %#010x updating too quickly\n", in fbnic_stat_rd64()
20 /* Return only the upper bits as we cannot guarantee in fbnic_stat_rd64()
23 * a snapshot with both upper values being the same in fbnic_stat_rd64()
26 return ((u64)upper << 32); in fbnic_stat_rd64()
/linux-6.12.1/arch/mips/include/asm/
Dmaar.h32 * @upper: The highest address that the MAAR pair will affect. Must be
41 phys_addr_t upper, unsigned attrs) in write_maar_pair() argument
45 BUG_ON(((upper & 0xffff) != 0xffff) in write_maar_pair()
46 || ((upper & ~0xffffull) & ~(MIPS_MAAR_ADDR << 4))); in write_maar_pair()
52 * Write the upper address & attributes (both MIPS_MAAR_VL and in write_maar_pair()
57 write_c0_maar(((upper >> 4) & MIPS_MAAR_ADDR) | attrs); in write_maar_pair()
60 upper >>= MIPS_MAARX_ADDR_SHIFT; in write_maar_pair()
61 writex_c0_maar(((upper >> 4) & MIPS_MAARX_ADDR) | MIPS_MAARX_VH); in write_maar_pair()
90 * @upper: The highest address that the MAAR pair will affect. Must be
97 * addresses from lower to upper inclusive.
[all …]
/linux-6.12.1/drivers/power/supply/
Dbq27xxx_battery_hdq.c45 int upper, lower; in bq27xxx_battery_hdq_read() local
51 * lower and the upper part in bq27xxx_battery_hdq_read()
53 upper = w1_bq27000_read(sl, reg + 1); in bq27xxx_battery_hdq_read()
55 temp = upper; in bq27xxx_battery_hdq_read()
56 if (upper < 0) in bq27xxx_battery_hdq_read()
57 return upper; in bq27xxx_battery_hdq_read()
63 upper = w1_bq27000_read(sl, reg + 1); in bq27xxx_battery_hdq_read()
64 } while (temp != upper && --timeout); in bq27xxx_battery_hdq_read()
69 return (upper << 8) | lower; in bq27xxx_battery_hdq_read()
/linux-6.12.1/Documentation/filesystems/ext4/
Dgroup_descr.rst116 - Upper 32-bits of location of block bitmap.
120 - Upper 32-bits of location of inodes bitmap.
124 - Upper 32-bits of location of inodes table.
128 - Upper 16-bits of free block count.
132 - Upper 16-bits of free inode count.
136 - Upper 16-bits of directory count.
140 - Upper 16-bits of unused inode count.
144 - Upper 32-bits of location of snapshot exclusion bitmap.
148 - Upper 16-bits of the block bitmap checksum.
152 - Upper 16-bits of the inode bitmap checksum.
/linux-6.12.1/drivers/base/regmap/
Dregcache-maple.c43 unsigned long *entry, *upper, *lower; in regcache_maple_write() local
68 upper = mas_find(&mas, reg + 1); in regcache_maple_write()
69 if (upper) { in regcache_maple_write()
84 if (upper) in regcache_maple_write()
85 memcpy(&entry[reg - index + 1], upper, upper_sz); in regcache_maple_write()
101 kfree(upper); in regcache_maple_write()
112 unsigned long *entry, *lower, *upper; in regcache_maple_drop() local
119 upper = NULL; in regcache_maple_drop()
149 upper = kmemdup_array(&entry[max - mas.index + 1], in regcache_maple_drop()
150 mas.last - max, sizeof(*upper), in regcache_maple_drop()
[all …]
/linux-6.12.1/net/tipc/
Dsubscr.c54 tipc_evt_write(evt, found_upper, p->sr.upper); in tipc_sub_send_event()
59 tipc_evt_write(evt, found_upper, s->seq.upper); in tipc_sub_send_event()
77 u32 found_upper = found->upper; in tipc_sub_check_overlap()
81 if (found_upper > subscribed->upper) in tipc_sub_check_overlap()
82 found_upper = subscribed->upper; in tipc_sub_check_overlap()
136 u32 upper = tipc_sub_read(s, seq.upper); in tipc_sub_subscribe() local
142 lower > upper) { in tipc_sub_subscribe()
159 sub->s.seq.upper = upper; in tipc_sub_subscribe()
/linux-6.12.1/drivers/video/fbdev/
Darcfb.c248 static void arcfb_lcd_update_page(struct arcfb_par *par, unsigned int upper, in arcfb_lcd_update_page() argument
258 yindex = upper >> 6; in arcfb_lcd_update_page()
261 ks108_set_yaddr(par, chipindex, upper/8); in arcfb_lcd_update_page()
265 (upper * linesize); in arcfb_lcd_update_page()
296 * lcd chips. update_page uses the upper/left values to decide which
297 * chip to select for the right. upper is needed for setting the page
303 unsigned int distance, upper, lower; in arcfb_lcd_update_vert() local
306 upper = top; in arcfb_lcd_update_vert()
311 arcfb_lcd_update_page(par, upper, left, right, 8); in arcfb_lcd_update_vert()
312 upper = lower + 1; in arcfb_lcd_update_vert()
[all …]
/linux-6.12.1/fs/ext4/
Dinode-test.c19 * For constructing the nonnegative timestamp upper bound value.
30 * For constructing the negative timestamp upper bound value.
35 * Upper bound for nanoseconds value supported by the encoding.
45 "1969-12-31 Upper bound of 32bit < 0 timestamp, no extra bits"
49 "2038-01-19 Upper bound of 32bit >=0 timestamp, no extra bits"
53 "2106-02-07 Upper bound of 32bit <0 timestamp, lo extra sec bit on"
57 "2174-02-25 Upper bound of 32bit >=0 timestamp, lo extra sec bit on"
61 "2242-03-16 Upper bound of 32bit <0 timestamp, hi extra sec bit on"
65 "2310-04-04 Upper bound of 32bit >=0 timestamp, hi extra sec bit on"
67 "2310-04-04 Upper bound of 32bit>=0 timestamp, hi extra sec bit 1. 1 ns"
[all …]
/linux-6.12.1/fs/btrfs/
Dbackref.c3044 INIT_LIST_HEAD(&node->upper); in btrfs_backref_alloc_node()
3114 ASSERT(list_empty(&node->upper)); in btrfs_backref_drop_node()
3126 * upper edges and any uncached nodes in the path.
3134 struct btrfs_backref_node *upper; in btrfs_backref_cleanup_node() local
3141 while (!list_empty(&node->upper)) { in btrfs_backref_cleanup_node()
3142 edge = list_entry(node->upper.next, struct btrfs_backref_edge, in btrfs_backref_cleanup_node()
3144 upper = edge->node[UPPER]; in btrfs_backref_cleanup_node()
3146 list_del(&edge->list[UPPER]); in btrfs_backref_cleanup_node()
3153 if (list_empty(&upper->lower)) { in btrfs_backref_cleanup_node()
3154 list_add_tail(&upper->lower, &cache->leaves); in btrfs_backref_cleanup_node()
[all …]
/linux-6.12.1/kernel/trace/
Dpid_list.c146 upper_chunk = pid_list->upper[upper1]; in trace_pid_list_is_set()
185 upper_chunk = pid_list->upper[upper1]; in trace_pid_list_set()
192 pid_list->upper[upper1] = upper_chunk; in trace_pid_list_set()
237 upper_chunk = pid_list->upper[upper1]; in trace_pid_list_clear()
253 pid_list->upper[upper1] = NULL; in trace_pid_list_clear()
291 upper_chunk = pid_list->upper[upper1]; in trace_pid_list_next()
336 union upper_chunk *upper = NULL; in pid_list_refill_irq() local
338 union upper_chunk **upper_next = &upper; in pid_list_refill_irq()
377 if (upper) { in pid_list_refill_irq()
379 pid_list->upper_list = upper; in pid_list_refill_irq()
[all …]
/linux-6.12.1/net/llc/
Dllc_if.c2 * llc_if.c - Defines LLC interface to upper layer
30 * llc_build_and_send_pkt - Connection data sending for upper layers.
34 * This function is called when upper layer wants to send data using
71 * llc_establish_connection - Called by upper layer to establish a conn
77 * Upper layer calls this to establish an LLC connection with a remote
80 * establishment will inform to upper layer via calling it's confirm
121 * llc_send_disc - Called by upper layer to close a connection
124 * Upper layer calls this when it wants to close an established LLC
/linux-6.12.1/arch/m68k/fpsp040/
Dbinstr.S23 | to force the first byte formed to have a 0 in the upper 4 bits.
40 | upper word of d0. If it is the ls digit, write the word
51 | d2: upper 32-bits of fraction for mul by 8
53 | d4: upper 32-bits of fraction for mul by 2
106 addxl %d4,%d2 |add with extend upper 32 bits
109 swap %d6 |with d6 = 0; put 0 in upper word
117 aslw #4,%d7 |first digit in upper 4 bits d7b
131 lslw #4,%d7 |move it to upper 4 bits
/linux-6.12.1/arch/arm/kernel/
Dmodule.c95 u32 upper, lower, sign, j1, j2; in apply_relocate() local
289 upper = __mem_to_opcode_thumb16(*(u16 *)loc); in apply_relocate()
297 * S = upper[10] = offset[24] in apply_relocate()
300 * imm10 = upper[9:0] = offset[21:12] in apply_relocate()
305 sign = (upper >> 10) & 1; in apply_relocate()
310 ((upper & 0x03ff) << 12) | in apply_relocate()
338 upper = (u16)((upper & 0xf800) | (sign << 10) | in apply_relocate()
344 *(u16 *)loc = __opcode_to_mem_thumb16(upper); in apply_relocate()
352 upper = __mem_to_opcode_thumb16(*(u16 *)loc); in apply_relocate()
358 * i = upper[10] in apply_relocate()
[all …]
/linux-6.12.1/arch/x86/include/asm/
Ddiv64.h49 u32 upper; in div_u64_rem() local
51 upper = d.v32[1]; in div_u64_rem()
53 if (upper >= divisor) { in div_u64_rem()
54 d.v32[1] = upper / divisor; in div_u64_rem()
55 upper %= divisor; in div_u64_rem()
58 "rm" (divisor), "0" (d.v32[0]), "1" (upper)); in div_u64_rem()
/linux-6.12.1/arch/m68k/include/asm/
Damigahw.h280 unsigned int :28, second1:4; /* upper digit */
282 unsigned int :28, minute1:4; /* upper digit */
284 unsigned int :28, hour1:4; /* upper digit */
287 unsigned int :28, day1:4; /* upper digit */
289 unsigned int :28, month1:4; /* upper digit */
291 unsigned int :28, year1:4; /* upper digit */
302 unsigned int :28, second1:4; /* upper digit */
304 unsigned int :28, minute1:4; /* upper digit */
306 unsigned int :28, hour1:4; /* upper digit */
308 unsigned int :28, day1:4; /* upper digit */
[all …]
/linux-6.12.1/arch/x86/kernel/
Dprobe_roms.c201 unsigned long start, length, upper; in probe_roms() local
207 upper = adapter_rom_resources[0].start; in probe_roms()
208 for (start = video_rom_resource.start; start < upper; start += 2048) { in probe_roms()
230 if (start < upper) in probe_roms()
231 start = upper; in probe_roms()
235 upper = system_rom_resource.start; in probe_roms()
243 upper = extension_rom_resource.start; in probe_roms()
248 for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper; start += 2048) { in probe_roms()
260 if (!length || start + length > upper || !romchecksum(rom, length)) in probe_roms()

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