filestore: disable 'filestore fiemap' by default

We've seen this failing on both btrfs (Guido) and XFS (Oliver).  This works
around #2535.

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index 2aff52b1927021b4b0d07d2ba5493fe125b6450e..71f5277f630e9e071b52a3cbabf1be914dabcb56 100644 (file)
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -343,7 +343,7 @@ OPTION(filestore_btrfs_trans, OPT_BOOL, false)
 OPTION(filestore_btrfs_snap, OPT_BOOL, true)
 OPTION(filestore_btrfs_clone_range, OPT_BOOL, true)
 OPTION(filestore_fsync_flushes_journal_data, OPT_BOOL, false)
-OPTION(filestore_fiemap, OPT_BOOL, true)     // (try to) use fiemap
+OPTION(filestore_fiemap, OPT_BOOL, false)     // (try to) use fiemap
 OPTION(filestore_flusher, OPT_BOOL, true)
 OPTION(filestore_flusher_max_fds, OPT_INT, 512)
 OPTION(filestore_sync_flush, OPT_BOOL, false)