diff options
| -rw-r--r-- | disk-io.c | 6 | ||||
| -rw-r--r-- | volumes.c | 3 |
2 files changed, 6 insertions, 3 deletions
@@ -822,7 +822,8 @@ static struct btrfs_fs_info *__open_ctree_fd(int fp, const char *path, sb_bytenr = BTRFS_SUPER_INFO_OFFSET; /* try to drop all the caches */ - posix_fadvise(fp, 0, 0, POSIX_FADV_DONTNEED); + if (posix_fadvise(fp, 0, 0, POSIX_FADV_DONTNEED)) + fprintf(stderr, "Warning, could not drop caches\n"); ret = btrfs_scan_one_device(fp, path, &fs_devices, &total_devs, sb_bytenr); @@ -1282,7 +1283,8 @@ static int close_all_devices(struct btrfs_fs_info *fs_info) device = list_entry(next, struct btrfs_device, dev_list); if (device->fd) { fsync(device->fd); - posix_fadvise(device->fd, 0, 0, POSIX_FADV_DONTNEED); + if (posix_fadvise(device->fd, 0, 0, POSIX_FADV_DONTNEED)) + fprintf(stderr, "Warning, could not drop caches\n"); } close(device->fd); } @@ -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; |