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-rw-r--r--volumes.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/volumes.c b/volumes.c
index ca1b402..c0d02d1 100644
--- a/volumes.c
+++ b/volumes.c
@@ -193,7 +193,8 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, int flags)
goto fail;
}
- posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED);
+ if (posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED))
+ fprintf(stderr, "Warning, could not drop caches\n");
if (device->devid == fs_devices->latest_devid)
fs_devices->latest_bdev = fd;