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Searched refs:cow (Results 1 – 14 of 14) sorted by relevance

/linux-3.4.99/arch/um/drivers/
Dubd_kern.c119 struct cow { struct
144 struct cow cow; member
171 .cow = DEFAULT_COW, \
378 ubd_dev->cow.file = backing_file; in ubd_setup_common()
511 if (ubd_dev->file && ubd_dev->cow.file) { in ubd_file_size()
512 file = ubd_dev->cow.file; in ubd_file_size()
584 static int path_requires_switch(char *from_cmdline, char *from_cow, char *cow) in path_requires_switch() argument
611 from_cmdline, from_cow, cow); in path_requires_switch()
723 if(ubd_dev->cow.file == NULL) in ubd_close_dev()
726 os_close_file(ubd_dev->cow.fd); in ubd_close_dev()
[all …]
/linux-3.4.99/fs/btrfs/
Dctree.c241 struct extent_buffer *cow; in btrfs_copy_root() local
256 cow = btrfs_alloc_free_block(trans, root, buf->len, 0, in btrfs_copy_root()
259 if (IS_ERR(cow)) in btrfs_copy_root()
260 return PTR_ERR(cow); in btrfs_copy_root()
262 copy_extent_buffer(cow, buf, 0, 0, cow->len); in btrfs_copy_root()
263 btrfs_set_header_bytenr(cow, cow->start); in btrfs_copy_root()
264 btrfs_set_header_generation(cow, trans->transid); in btrfs_copy_root()
265 btrfs_set_header_backref_rev(cow, BTRFS_MIXED_BACKREF_REV); in btrfs_copy_root()
266 btrfs_clear_header_flag(cow, BTRFS_HEADER_FLAG_WRITTEN | in btrfs_copy_root()
269 btrfs_set_header_flag(cow, BTRFS_HEADER_FLAG_RELOC); in btrfs_copy_root()
[all …]
Ddir-item.c200 int cow = mod != 0; in btrfs_lookup_dir_item() local
207 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow); in btrfs_lookup_dir_item()
234 int cow = mod != 0; in btrfs_lookup_dir_index_item() local
240 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow); in btrfs_lookup_dir_index_item()
304 int cow = mod != 0; in btrfs_lookup_xattr() local
309 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow); in btrfs_lookup_xattr()
Dinode-item.c63 int cow = mod != 0; in btrfs_lookup_inode_ref() local
70 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow); in btrfs_lookup_inode_ref()
217 int cow = mod != 0; in btrfs_lookup_inode() local
223 ret = btrfs_search_slot(trans, root, location, path, ins_len, cow); in btrfs_lookup_inode()
Dfile-item.c88 u64 bytenr, int cow) in btrfs_lookup_csum() argument
102 ret = btrfs_search_slot(trans, root, &file_key, path, 0, cow); in btrfs_lookup_csum()
144 int cow = mod != 0; in btrfs_lookup_file_extent() local
149 ret = btrfs_search_slot(trans, root, &file_key, path, ins_len, cow); in btrfs_lookup_file_extent()
Drelocation.c1685 int cow = 0; local
1708 if (cow) {
1764 if (cow) {
1778 if (!cow) {
1781 cow = 1;
4338 struct extent_buffer *cow) argument
4367 extent_buffer_get(cow);
4368 node->eb = cow;
4369 node->new_bytenr = cow->start;
4385 ret = replace_file_extents(trans, rc, root, cow);
Dctree.h2661 ins_len, int cow);
2866 u64 bytenr, int cow);
3064 struct extent_buffer *cow);
Dinode.c292 static noinline int add_async_extent(struct async_cow *cow, in add_async_extent() argument
309 list_add_tail(&async_extent->list, &cow->extents); in add_async_extent()
/linux-3.4.99/Documentation/device-mapper/
Dsnapshot.txt88 volumeGroup-snap-cow: 0 204800 linear 8:19 2097536
94 brw------- 1 root root 254, 12 29 ago 18:15 /dev/mapper/volumeGroup-snap-cow
103 "snapshot-merge". The "-real" device is not changed and the "-cow"
104 device is renamed to <origin name>-cow to aid LVM2's cleanup of the
118 volumeGroup-base-cow: 0 204800 linear 8:19 2097536
123 brw------- 1 root root 254, 12 29 ago 18:16 /dev/mapper/volumeGroup-base-cow
/linux-3.4.99/drivers/md/
Ddm-snap.c51 struct dm_dev *cow; member
148 return s->cow; in dm_snap_cow()
381 if (!bdev_equal(s->cow->bdev, snap->cow->bdev)) in __find_snapshots_sharing_cow()
750 cow_dev_size = get_dev_size(s->cow->bdev); in init_hash_tables()
949 src.bdev = s->cow->bdev; in snapshot_merge_next_chunks()
1093 r = dm_get_device(ti, cow_path, dm_table_get_mode(ti->table), &s->cow); in snapshot_ctr()
1222 dm_put_device(ti, s->cow); in snapshot_ctr()
1321 dm_put_device(ti, s->cow); in snapshot_dtr()
1540 dest.bdev = s->cow->bdev; in start_copy()
1626 bio->bi_bdev = s->cow->bdev; in remap_exception()
[all …]
/linux-3.4.99/fs/nfs/blocklayout/
Dextents.c593 struct pnfs_block_extent *be, *cow, *ret; in bl_find_get_extent() local
597 cow = ret = NULL; in bl_find_get_extent()
613 cow = be; in bl_find_get_extent()
623 *cow_read = cow; in bl_find_get_extent()
/linux-3.4.99/include/trace/events/
Dbtrfs.h606 struct extent_buffer *cow),
608 TP_ARGS(root, buf, cow),
623 __entry->cow_start = cow->start;
625 __entry->cow_level = btrfs_header_level(cow);
/linux-3.4.99/mm/
Dhugetlb.c2311 int cow; in copy_hugetlb_page_range() local
2315 cow = (vma->vm_flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; in copy_hugetlb_page_range()
2338 if (is_write_migration_entry(swp_entry) && cow) { in copy_hugetlb_page_range()
2349 if (cow) in copy_hugetlb_page_range()
/linux-3.4.99/Documentation/virtual/uml/
DUserModeLinux-HOWTO.txt1907 host% ls -l cow.debian debian2.2
1908 -rw-r--r-- 1 jdike jdike 492504064 Aug 6 21:16 cow.debian
1917 host% ls -ls cow.debian debian2.2
1918 880 -rw-r--r-- 1 jdike jdike 492504064 Aug 6 21:16 cow.debian