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Searched refs:subpage (Results 1 – 19 of 19) sorted by relevance

/linux-6.15/fs/btrfs/
H A Dsubpage.c69 struct btrfs_subpage *subpage; in btrfs_attach_subpage() local
90 if (IS_ERR(subpage)) in btrfs_attach_subpage()
91 return PTR_ERR(subpage); in btrfs_attach_subpage()
100 struct btrfs_subpage *subpage; in btrfs_detach_subpage() local
111 ASSERT(subpage); in btrfs_detach_subpage()
112 btrfs_free_subpage(subpage); in btrfs_detach_subpage()
140 kfree(subpage); in btrfs_free_subpage()
154 struct btrfs_subpage *subpage; in btrfs_folio_inc_eb_refs() local
163 atomic_inc(&subpage->eb_refs); in btrfs_folio_inc_eb_refs()
168 struct btrfs_subpage *subpage; in btrfs_folio_dec_eb_refs() local
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H A Dsubpage.h116 void btrfs_free_subpage(struct btrfs_subpage *subpage);
H A DMakefile35 subpage.o tree-mod-log.o extent-io-tree.o fs.o messages.o bio.o \
H A Dextent_io.c2031 struct btrfs_subpage *subpage = folio_get_private(folio); in submit_eb_subpage() local
2045 spin_lock_irqsave(&subpage->lock, flags); in submit_eb_subpage()
2047 subpage->bitmaps)) { in submit_eb_subpage()
2048 spin_unlock_irqrestore(&subpage->lock, flags); in submit_eb_subpage()
2062 spin_unlock_irqrestore(&subpage->lock, flags); in submit_eb_subpage()
2744 struct btrfs_subpage *subpage; in folio_range_has_eb() local
2749 subpage = folio_get_private(folio); in folio_range_has_eb()
2750 if (atomic_read(&subpage->eb_refs)) in folio_range_has_eb()
3574 bool subpage = btrfs_meta_is_subpage(eb->fs_info); in set_extent_buffer_dirty() local
3587 if (subpage) in set_extent_buffer_dirty()
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H A Ddisk-io.c551 struct btrfs_subpage *subpage; in btree_dirty_folio() local
566 subpage = folio_get_private(folio); in btree_dirty_folio()
574 spin_lock_irqsave(&subpage->lock, flags); in btree_dirty_folio()
575 if (!test_bit(cur_bit, subpage->bitmaps)) { in btree_dirty_folio()
576 spin_unlock_irqrestore(&subpage->lock, flags); in btree_dirty_folio()
579 spin_unlock_irqrestore(&subpage->lock, flags); in btree_dirty_folio()
H A Dinode.c7284 struct btrfs_subpage *subpage; in wait_subpage_spinlock() local
7290 subpage = folio_get_private(folio); in wait_subpage_spinlock()
7303 spin_lock_irq(&subpage->lock); in wait_subpage_spinlock()
7304 spin_unlock_irq(&subpage->lock); in wait_subpage_spinlock()
/linux-6.15/tools/power/cpupower/utils/
H A Dcpupower.c81 static int print_man_page(const char *subpage) in print_man_page() argument
87 if (subpage != NULL) in print_man_page()
88 len += strlen(subpage); in print_man_page()
95 if ((subpage != NULL) && strcmp(subpage, "help")) { in print_man_page()
97 strcat(page, subpage); in print_man_page()
/linux-6.15/tools/testing/selftests/powerpc/mm/
H A Dsubpage_prot.c68 static inline void check_faulted(void *addr, long page, long subpage, int write) in check_faulted() argument
70 int want_fault = (subpage == ((page + 3) % 16)); in check_faulted()
73 want_fault |= (subpage == ((page + 1) % 16)); in check_faulted()
77 addr, page, subpage, write, in check_faulted()
/linux-6.15/mm/
H A Drmap.c1877 struct page *subpage; in try_to_unmap_one() local
1972 PageAnonExclusive(subpage); in try_to_unmap_one()
1981 VM_BUG_ON_PAGE(!PageHWPoison(subpage), subpage); in try_to_unmap_one()
2279 struct page *subpage; in try_to_migrate_one() local
2329 subpage = folio_page(folio, in try_to_migrate_one()
2361 PageAnonExclusive(subpage); in try_to_migrate_one()
2449 if (PageHWPoison(subpage)) { in try_to_migrate_one()
2519 page_to_pfn(subpage)); in try_to_migrate_one()
2522 page_to_pfn(subpage)); in try_to_migrate_one()
2525 page_to_pfn(subpage)); in try_to_migrate_one()
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H A Dgup.c1527 struct page *subpage; in __get_user_pages() local
1560 subpage = nth_page(page, j); in __get_user_pages()
1561 pages[i + j] = subpage; in __get_user_pages()
1562 flush_anon_page(vma, subpage, start + j * PAGE_SIZE); in __get_user_pages()
1563 flush_dcache_page(subpage); in __get_user_pages()
H A Dmemory.c7316 struct page *subpage; in copy_folio_from_user() local
7319 subpage = folio_page(dst_folio, i); in copy_folio_from_user()
7320 kaddr = kmap_local_page(subpage); in copy_folio_from_user()
7332 flush_dcache_page(subpage); in copy_folio_from_user()
/linux-6.15/drivers/target/
H A Dtarget_core_spc.c959 uint8_t subpage; member
963 { .page = 0x08, .subpage = 0x00, .emulate = spc_modesense_caching },
1029 u8 subpage = cdb[3]; in spc_emulate_modesense() local
1087 if (subpage != 0x00 && subpage != 0xff) { in spc_emulate_modesense()
1088 pr_warn("MODE_SENSE: Invalid subpage code: 0x%02x\n", subpage); in spc_emulate_modesense()
1099 if ((modesense_handlers[i].subpage & ~subpage) == 0) { in spc_emulate_modesense()
1112 modesense_handlers[i].subpage == subpage) { in spc_emulate_modesense()
1123 page, subpage); in spc_emulate_modesense()
1149 u8 page, subpage; in spc_emulate_modeselect() local
1174 subpage = buf[off] & 0x40 ? buf[off + 1] : 0; in spc_emulate_modeselect()
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/linux-6.15/Documentation/devicetree/bindings/mtd/
H A Dnand-macronix.txt6 randomizer are subpage accesses prohibited and more time period needed
11 For more high-reliability concern, if subpage write is not available
/linux-6.15/drivers/mtd/nand/onenand/
H A Donenand_base.c1711 int column, subpage; in onenand_panic_write() local
1740 subpage = thislen < mtd->writesize; in onenand_panic_write()
1741 if (subpage) { in onenand_panic_write()
1755 onenand_update_bufferram(mtd, to, !subpage); in onenand_panic_write()
1758 onenand_update_bufferram(mtd, to + this->writesize, !subpage); in onenand_panic_write()
1801 int written = 0, column, thislen = 0, subpage = 0; in onenand_write_ops_nolock() local
1846 subpage = thislen < mtd->writesize; in onenand_write_ops_nolock()
1847 if (subpage) { in onenand_write_ops_nolock()
1927 onenand_update_bufferram(mtd, to, !ret && !subpage); in onenand_write_ops_nolock()
1951 prev_subpage = subpage; in onenand_write_ops_nolock()
/linux-6.15/drivers/hid/
H A Dwacom_wac.c1828 int subpage = (usage & 0xFF00) << 8; in wacom_equivalent_usage() local
1831 if (subpage == WACOM_HID_SP_PAD || in wacom_equivalent_usage()
1832 subpage == WACOM_HID_SP_BUTTON || in wacom_equivalent_usage()
1833 subpage == WACOM_HID_SP_DIGITIZER || in wacom_equivalent_usage()
1849 if (subpage == HID_UP_UNDEFINED) in wacom_equivalent_usage()
1850 subpage = HID_UP_DIGITIZER; in wacom_equivalent_usage()
1852 return subpage | subusage; in wacom_equivalent_usage()
1856 int subpage = (usage & 0xFF00) << 8; in wacom_equivalent_usage() local
1862 if (subpage == HID_UP_UNDEFINED) in wacom_equivalent_usage()
1863 subpage = WACOM_HID_SP_DIGITIZER; in wacom_equivalent_usage()
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/linux-6.15/include/scsi/
H A Dscsi_device.h456 int subpage, unsigned char *buffer, int len, int timeout,
/linux-6.15/Documentation/mm/
H A Dtranshuge.rst171 memory immediately. Instead, we detect that a subpage of THP is not in use
/linux-6.15/drivers/scsi/
H A Dscsi_lib.c2276 scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, int subpage, in scsi_mode_sense() argument
2310 cmd[3] = subpage; in scsi_mode_sense()
/linux-6.15/drivers/mtd/nand/raw/
H A Dnand_base.c4405 int status, subpage; in nand_write_page() local
4409 subpage = offset || (data_len < mtd->writesize); in nand_write_page()
4411 subpage = 0; in nand_write_page()
4416 else if (subpage) in nand_write_page()