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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-12-19 20:35:20 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-12-19 20:35:24 -0500 |
| commit | 4158833a51eedaa2880c88631ea2c41b026af2e6 (patch) | |
| tree | bc82b0fa750596526415dbf0e7b55f5fc80d2c44 | |
| parent | f06fd08067397adffd8362da4660602daf1a2473 (diff) | |
cmd_migrate: don't link data above i_size
The new filesystem might have a smaller blocksize than the old
blocksize, which trips this.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | cmd_migrate.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cmd_migrate.c b/cmd_migrate.c index f2a6cc7d..07fc1452 100644 --- a/cmd_migrate.c +++ b/cmd_migrate.c @@ -378,6 +378,10 @@ static void copy_file(struct bch_fs *c, struct bch_inode_unpacked *dst, fiemap_iter_exit(&iter); fiemap_for_each(src_fd, iter, e) { + u64 src_max = roundup(src_size, block_bytes(c)); + + e.fe_length = min(e.fe_length, src_max - e.fe_logical); + if ((e.fe_logical & (block_bytes(c) - 1)) || (e.fe_length & (block_bytes(c) - 1))) die("Unaligned extent in %s - can't handle", src_path); |