diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c29e7c87ff27..9f9cd6c598fe 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8583,10 +8583,28 @@ static int btrfs_truncate(struct inode *inode, bool skip_writeback) trans->block_rsv = rsv; while (1) { + struct extent_state *cached_state = NULL; + const u64 new_size = inode->i_size; + const u64 lock_start = ALIGN_DOWN(new_size, fs_info->sectorsize); + + lock_extent_bits(&BTRFS_I(inode)->io_tree, lock_start, (u64)-1, + &cached_state); + /* + * We want to drop from the next block forward in case this new + * size is not block aligned since we will be keeping the last + * block of the extent just the way it is. + */ + btrfs_drop_extent_cache(BTRFS_I(inode), + ALIGN(new_size, fs_info->sectorsize), + (u64)-1, 0); + ret = btrfs_truncate_inode_items(trans, root, BTRFS_I(inode), inode->i_size, BTRFS_EXTENT_DATA_KEY, &extents_found); + unlock_extent_cached(&BTRFS_I(inode)->io_tree, lock_start, + (u64)-1, &cached_state); + trans->block_rsv = &fs_info->trans_block_rsv; if (ret != -ENOSPC && ret != -EAGAIN) break; |