diff options
Diffstat (limited to 'fs/btrfs/send.c')
| -rw-r--r-- | fs/btrfs/send.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 551294a6c9e2..ba8950bfd9c7 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -5007,6 +5007,15 @@ static int send_hole(struct send_ctx *sctx, u64 end) u64 len; int ret = 0; + /* + * A hole that starts at EOF or beyond it. Since we do not yet support + * fallocate (for extent preallocation and hole punching), sending a + * write of zeroes starting at EOF or beyond would later require issuing + * a truncate operation which would undo the write and achieve nothing. + */ + if (offset >= sctx->cur_inode_size) + return 0; + if (sctx->flags & BTRFS_SEND_FLAG_NO_FILE_DATA) return send_update_extent(sctx, offset, end - offset); |