diff options
| -rw-r--r-- | block/file-posix.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 10b71d9a13..6e24083f3f 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1650,6 +1650,17 @@ static int handle_aiocb_write_zeroes(void *opaque) return ret; } s->has_fallocate = false; + } else if (ret == -EINVAL) { + /* + * Some file systems like older versions of GPFS do not like un- + * aligned byte ranges, and return EINVAL in such a case, though + * they should not do it according to the man-page of fallocate(). + * Warn about the bad filesystem and try the final fallback instead. + */ + warn_report_once("Your file system is misbehaving: " + "fallocate(FALLOC_FL_PUNCH_HOLE) returned EINVAL. " + "Please report this bug to your file sytem " + "vendor."); } else if (ret != -ENOTSUP) { return ret; } else { |