diff options
| -rw-r--r-- | fs/ext3/ioctl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c index 88974814783a..fc080dd561f7 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -276,7 +276,29 @@ group_add_out: mnt_drop_write(filp->f_path.mnt); return err; } + case FITRIM: { + struct super_block *sb = inode->i_sb; + struct fstrim_range range; + int ret = 0; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (copy_from_user(&range, (struct fstrim_range *)arg, + sizeof(range))) + return -EFAULT; + + ret = ext3_trim_fs(sb, &range); + if (ret < 0) + return ret; + + if (copy_to_user((struct fstrim_range *)arg, &range, + sizeof(range))) + return -EFAULT; + + return 0; + } default: return -ENOTTY; |