diff options
| -rw-r--r-- | fs/btrfs/ioctl.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 054fa20ef193..c3100f3988e2 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -370,6 +370,24 @@ static int check_xflags(unsigned int flags) return 0; } +/* + * Set the xflags from the internal inode flags. The remaining items of fsxattr + * are zeroed. + */ +static int btrfs_ioctl_fsgetxattr(struct file *file, void __user *arg) +{ + struct btrfs_inode *binode = BTRFS_I(file_inode(file)); + struct fsxattr fa; + + memset(&fa, 0, sizeof(fa)); + fa.fsx_xflags = btrfs_inode_flags_to_xflags(binode->flags); + + if (copy_to_user(arg, &fa, sizeof(fa))) + return -EFAULT; + + return 0; +} + static int btrfs_ioctl_getversion(struct file *file, int __user *arg) { struct inode *inode = file_inode(file); @@ -5409,6 +5427,8 @@ long btrfs_ioctl(struct file *file, unsigned int return btrfs_ioctl_get_features(file, argp); case BTRFS_IOC_SET_FEATURES: return btrfs_ioctl_set_features(file, argp); + case FS_IOC_FSGETXATTR: + return btrfs_ioctl_fsgetxattr(file, argp); } return -ENOTTY; |