diff options
Diffstat (limited to 'src/bin/pg_rewind/filemap.c')
| -rw-r--r-- | src/bin/pg_rewind/filemap.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/bin/pg_rewind/filemap.c b/src/bin/pg_rewind/filemap.c index 1a56866fd4a..cb2bf4d1a0e 100644 --- a/src/bin/pg_rewind/filemap.c +++ b/src/bin/pg_rewind/filemap.c @@ -185,13 +185,13 @@ process_source_file(const char *path, file_type_t type, size_t newsize, * * If it's smaller in the target, it means that it has been * truncated in the target, or enlarged in the source, or - * both. If it was truncated in the target, we need to copy the - * missing tail from the source system. If it was enlarged in - * the source system, there will be WAL records in the source - * system for the new blocks, so we wouldn't need to copy them - * here. But we don't know which scenario we're dealing with, - * and there's no harm in copying the missing blocks now, so - * do it now. + * both. If it was truncated in the target, we need to copy + * the missing tail from the source system. If it was enlarged + * in the source system, there will be WAL records in the + * source system for the new blocks, so we wouldn't need to + * copy them here. But we don't know which scenario we're + * dealing with, and there's no harm in copying the missing + * blocks now, so do it now. * * If it's the same size, do nothing here. Any blocks modified * in the target will be copied based on parsing the target @@ -370,6 +370,7 @@ process_block_change(ForkNumber forknum, RelFileNode rnode, BlockNumber blkno) break; case FILE_ACTION_COPY_TAIL: + /* * skip the modified block if it is part of the "tail" that * we're copying anyway. @@ -391,8 +392,8 @@ process_block_change(ForkNumber forknum, RelFileNode rnode, BlockNumber blkno) /* * If we don't have any record of this file in the file map, it means * that it's a relation that doesn't exist in the source system, and - * it was subsequently removed in the target system, too. We can safely - * ignore it. + * it was subsequently removed in the target system, too. We can + * safely ignore it. */ } } |