| /linux-3.4.99/Documentation/device-mapper/ |
| D | snapshot.txt | 11 *) To merge a snapshot of a block device back into the snapshot's origin
19 the origin device.
23 snapshot, snapshot-origin, and snapshot-merge.
25 *) snapshot-origin <origin>
33 *) snapshot <origin> <COW device> <persistent?> <chunksize>
35 A snapshot of the <origin> block device is created. Changed chunks of
38 from <origin> for unchanged data. <COW device> will often be
39 smaller than the origin and if it fills up the snapshot will become
49 * snapshot-merge <origin> <COW device> <persistent> <chunksize>
53 "snapshot-origin" target and must not be loaded if the "snapshot-origin"
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| D | thin-provisioning.txt | 147 N.B. If the origin device that you wish to snapshot is active, you
156 identifier for the origin device.
161 between the origin and the snapshot. Indeed the snapshot is no
175 You can use an external _read only_ device as an origin for a
177 thin device will be passed through to the origin. Writes trigger
184 You must not write to the origin device if you use this technique!
191 You don't mention the origin at this stage.
197 Append an extra parameter to the thin target specifying the origin:
202 same extra origin parameter.
268 create_snap <dev id> <origin id>
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| /linux-3.4.99/block/partitions/ |
| D | msdos.c | 201 sector_t offset, sector_t size, int origin) in parse_solaris_x86() argument
219 snprintf(tmp, sizeof(tmp), " %s%d: <solaris:", state->name, origin); in parse_solaris_x86()
258 sector_t offset, sector_t size, int origin, char *flavour, in parse_bsd() argument
274 snprintf(tmp, sizeof(tmp), " %s%d: <%s:", state->name, origin, flavour); in parse_bsd()
308 sector_t offset, sector_t size, int origin) in parse_freebsd() argument
311 parse_bsd(state, offset, size, origin, "bsd", BSD_MAXPARTITIONS); in parse_freebsd()
316 sector_t offset, sector_t size, int origin) in parse_netbsd() argument
319 parse_bsd(state, offset, size, origin, "netbsd", BSD_MAXPARTITIONS); in parse_netbsd()
324 sector_t offset, sector_t size, int origin) in parse_openbsd() argument
327 parse_bsd(state, offset, size, origin, "openbsd", in parse_openbsd()
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| /linux-3.4.99/drivers/md/ |
| D | dm-snap.c | 50 struct dm_dev *origin; member
142 return s->origin; in dm_snap_origin()
279 struct origin { struct
330 static struct origin *__lookup_origin(struct block_device *origin) in __lookup_origin() argument
333 struct origin *o; in __lookup_origin()
335 ol = &_origins[origin_hash(origin)]; in __lookup_origin()
337 if (bdev_equal(o->bdev, origin)) in __lookup_origin()
343 static void __insert_origin(struct origin *o) in __insert_origin()
370 struct origin *o; in __find_snapshots_sharing_cow()
374 o = __lookup_origin(snap->origin->bdev); in __find_snapshots_sharing_cow()
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| D | dm-thin-metadata.c | 925 dm_thin_id origin, uint32_t time) in __set_snapshot_details() argument
930 r = __open_device(pmd, origin, 0, &td); in __set_snapshot_details()
945 dm_thin_id dev, dm_thin_id origin) in __create_snap() argument
949 uint64_t key = origin, dev_key = dev; in __create_snap()
985 r = __set_snapshot_details(pmd, td, origin, pmd->time); in __create_snap()
1002 dm_thin_id origin) in dm_pool_create_snap() argument
1007 r = __create_snap(pmd, dev, origin); in dm_pool_create_snap()
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| /linux-3.4.99/fs/ |
| D | read_write.c | 69 generic_file_llseek_size(struct file *file, loff_t offset, int origin, in generic_file_llseek_size() argument
74 switch (origin) { in generic_file_llseek_size()
130 loff_t generic_file_llseek(struct file *file, loff_t offset, int origin) in generic_file_llseek() argument
134 return generic_file_llseek_size(file, offset, origin, in generic_file_llseek()
150 loff_t noop_llseek(struct file *file, loff_t offset, int origin) in noop_llseek() argument
156 loff_t no_llseek(struct file *file, loff_t offset, int origin) in no_llseek() argument
162 loff_t default_llseek(struct file *file, loff_t offset, int origin) in default_llseek() argument
168 switch (origin) { in default_llseek()
217 loff_t vfs_llseek(struct file *file, loff_t offset, int origin) in vfs_llseek() argument
226 return fn(file, offset, origin); in vfs_llseek()
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| D | pnode.c | 145 struct mount *origin) in propagation_next() argument
154 if (master == origin->mnt_master) { in propagation_next()
156 return (next == origin) ? NULL : next; in propagation_next()
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| /linux-3.4.99/drivers/acpi/acpica/ |
| D | pstree.c | 201 union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin, in acpi_ps_get_depth_next() argument
234 while (arg && (arg != origin) && (arg != op)) { in acpi_ps_get_depth_next()
238 if (arg == origin) { in acpi_ps_get_depth_next()
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| D | dswstate.c | 540 *origin, union acpi_operand_object in acpi_ds_create_walk_state()
556 walk_state->origin = origin; in acpi_ds_create_walk_state()
559 walk_state->parser_state.start_op = origin; in acpi_ds_create_walk_state()
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| /linux-3.4.99/arch/um/drivers/ |
| D | mconsole_user.c | 48 msg.msg_name = &(req->origin); in mconsole_reply_v0()
83 req->originlen = sizeof(req->origin); in mconsole_get_request()
85 (struct sockaddr *) req->origin, &req->originlen); in mconsole_get_request()
157 (struct sockaddr *) req->origin, req->originlen); in mconsole_reply_len()
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| /linux-3.4.99/arch/arm/kernel/ |
| D | unwind.c | 111 const struct unwind_idx *origin, in search_index() argument
117 __func__, addr, start, origin, stop); in search_index()
125 stop = origin; in search_index()
128 start = origin; in search_index()
203 table->origin, in unwind_find_idx()
468 tab->origin = unwind_find_origin(tab->start, tab->stop); in unwind_table_add()
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| /linux-3.4.99/fs/9p/ |
| D | vfs_file.c | 471 loff_t origin = *offset; in v9fs_file_write_internal() local
479 n = p9_client_write(fid, NULL, data+total, origin+total, count); in v9fs_file_write_internal()
487 pg_start = origin >> PAGE_CACHE_SHIFT; in v9fs_file_write_internal()
488 pg_end = (origin + total - 1) >> PAGE_CACHE_SHIFT; in v9fs_file_write_internal()
518 loff_t origin = *offset; in v9fs_file_write() local
521 retval = generic_write_checks(filp, &origin, &count, 0); in v9fs_file_write()
534 data, count, &origin, 1); in v9fs_file_write()
537 *offset = origin; in v9fs_file_write()
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| /linux-3.4.99/drivers/parisc/ |
| D | eisa_eeprom.c | 34 static loff_t eisa_eeprom_llseek(struct file *file, loff_t offset, int origin ) in eisa_eeprom_llseek() argument
36 switch (origin) { in eisa_eeprom_llseek()
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| /linux-3.4.99/drivers/macintosh/ |
| D | nvram.c | 21 static loff_t nvram_llseek(struct file *file, loff_t offset, int origin) in nvram_llseek() argument
23 switch (origin) { in nvram_llseek()
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| /linux-3.4.99/tools/perf/util/ |
| D | dwarf-aux.c | 480 Dwarf_Die *origin; in __die_walk_instances_cb() local
487 origin = dwarf_formref_die(attr, &origin_mem); in __die_walk_instances_cb()
488 if (origin == NULL || origin->addr != iwp->addr) in __die_walk_instances_cb()
493 dwarf_decl_line(origin, &tmp); in __die_walk_instances_cb()
495 tmp = die_get_decl_fileno(origin); in __die_walk_instances_cb()
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| /linux-3.4.99/drivers/char/ |
| D | generic_nvram.c | 34 static loff_t nvram_llseek(struct file *file, loff_t offset, int origin) in nvram_llseek() argument
36 switch (origin) { in nvram_llseek()
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| /linux-3.4.99/fs/ocfs2/ |
| D | extent_map.c | 834 int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin) in ocfs2_seek_data_hole_offset() argument
845 BUG_ON(origin != SEEK_DATA && origin != SEEK_HOLE); in ocfs2_seek_data_hole_offset()
861 if (origin == SEEK_HOLE) in ocfs2_seek_data_hole_offset()
890 if ((!is_data && origin == SEEK_HOLE) || in ocfs2_seek_data_hole_offset()
891 (is_data && origin == SEEK_DATA)) { in ocfs2_seek_data_hole_offset()
901 if (origin == SEEK_HOLE) { in ocfs2_seek_data_hole_offset()
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| D | extent_map.h | 56 int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int origin);
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| /linux-3.4.99/arch/arm/include/asm/ |
| D | unwind.h | 40 const struct unwind_idx *origin; member
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| /linux-3.4.99/include/linux/mtd/ |
| D | partitions.h | 62 unsigned long origin; member
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| /linux-3.4.99/drivers/sbus/char/ |
| D | flash.c | 81 flash_llseek(struct file *file, long long offset, int origin) in flash_llseek() argument
84 switch (origin) { in flash_llseek()
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| /linux-3.4.99/arch/parisc/kernel/ |
| D | sys_parisc32.c | 198 asmlinkage int sys32_lseek(unsigned int fd, int offset, unsigned int origin) in sys32_lseek() argument
200 return sys_lseek(fd, offset, origin); in sys32_lseek()
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| /linux-3.4.99/fs/ext4/ |
| D | file.c | 218 loff_t ext4_llseek(struct file *file, loff_t offset, int origin) in ext4_llseek() argument
228 return generic_file_llseek_size(file, offset, origin, maxbytes); in ext4_llseek()
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| /linux-3.4.99/fs/nfs/ |
| D | file.c | 138 static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) in nfs_file_llseek() argument
143 offset, origin); in nfs_file_llseek()
149 if (origin != SEEK_SET && origin != SEEK_CUR) { in nfs_file_llseek()
157 return generic_file_llseek(filp, offset, origin); in nfs_file_llseek()
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| /linux-3.4.99/drivers/mtd/ |
| D | redboot.c | 199 if (data && data->origin) in parse_redboot_partitions()
200 buf[i].flash_base -= data->origin; in parse_redboot_partitions()
|