diff options
| author | Yan, Zheng <[email protected]> | 2009-11-12 09:33:58 +0000 |
|---|---|---|
| committer | Chris Mason <[email protected]> | 2009-12-15 21:24:25 -0500 |
| commit | ad48fd754676bfae4139be1a897b1ea58f9aaf21 (patch) | |
| tree | a48a051fa8716ba4be8f148f6d7d8ca47d93ab07 /drivers/mtd/lpddr/lpddr_cmds.c | |
| parent | 8cef4e160d74920ad1725f58c89fd75ec4c4ac38 (diff) | |
Btrfs: Add btrfs_duplicate_item
btrfs_duplicate_item duplicates item with new key, guaranteeing
the source item and the new items are in the same tree leaf and
contiguous. It allows us to split file extent in place, without
using lock_extent to prevent bookend extent race.
Signed-off-by: Yan Zheng <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
Diffstat (limited to 'drivers/mtd/lpddr/lpddr_cmds.c')
0 files changed, 0 insertions, 0 deletions