diff options
Diffstat (limited to 'cmds-qgroup.c')
-rw-r--r-- | cmds-qgroup.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/cmds-qgroup.c b/cmds-qgroup.c index 9a7de34e..6436e9c6 100644 --- a/cmds-qgroup.c +++ b/cmds-qgroup.c @@ -64,13 +64,33 @@ static int qgroup_assign(int assign, int argc, char **argv) ret = ioctl(fd, BTRFS_IOC_QGROUP_ASSIGN, &args); e = errno; - close_file_or_dir(fd, dirstream); if (ret < 0) { fprintf(stderr, "ERROR: unable to assign quota group: %s\n", strerror(e)); + close_file_or_dir(fd, dirstream); return 1; } - return 0; + + /* + * If ret > 0, it means assign caused qgroup data inconsistent state. + * Schedule a quota rescan if requested. + * + * The return value change only happens in newer kernel. But will not + * cause problem since old kernel has a bug that will never clear + * INCONSISTENT bit. + */ + if (ret > 0) { + struct btrfs_ioctl_quota_rescan_args args; + + printf("Quota data changed, quota rescan scheduled\n"); + memset(&args, 0, sizeof(args)); + ret = ioctl(fd, BTRFS_IOC_QUOTA_RESCAN, &args); + if (ret < 0) + fprintf(stderr, "ERROR: quota rescan failed: %s\n", + strerror(errno)); + } + close_file_or_dir(fd, dirstream); + return ret; } static int qgroup_create(int create, int argc, char **argv) |