diff options
Diffstat (limited to 'fs/btrfs/ordered-data.c')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 7ae350a64c77..2cdf01667bc8 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -984,8 +984,18 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, } disk_i_size = BTRFS_I(inode)->disk_i_size; - /* truncate file */ - if (disk_i_size > i_size) { + /* + * truncate file. + * If ordered is not NULL, then this is called from endio and + * disk_i_size will be updated by either truncate itself or any + * in-flight IOs which are inside the disk_i_size. + * + * Because btrfs_setsize() may set i_size with disk_i_size if truncate + * fails somehow, we need to make sure we have a precise disk_i_size by + * updating it as usual. + * + */ + if (!ordered && disk_i_size > i_size) { BTRFS_I(inode)->disk_i_size = orig_offset; ret = 0; goto out; |