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| author | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2011-07-07 16:48:38 +0200 |
|---|---|---|
| committer | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2011-09-29 12:54:28 +0200 |
| commit | d7728c960dccf775b92f2c4139f1216275a45c44 (patch) | |
| tree | 76d8ea34fe47a1557f0cf5e558aa3cb525f39c70 /fs/btrfs/ioctl.h | |
| parent | 0ef8e45158f97dde4801b535e25f70f7caf01a27 (diff) | |
| download | lwn-d7728c960dccf775b92f2c4139f1216275a45c44.tar.gz lwn-d7728c960dccf775b92f2c4139f1216275a45c44.zip | |
btrfs: new ioctls to do logical->inode and inode->path resolving
these ioctls make use of the new functions initially added for scrub. they
return all inodes belonging to a logical address (BTRFS_IOC_LOGICAL_INO) and
all paths belonging to an inode (BTRFS_IOC_INO_PATHS).
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Diffstat (limited to 'fs/btrfs/ioctl.h')
| -rw-r--r-- | fs/btrfs/ioctl.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index 1857e3871843..2da30d4950e6 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -204,6 +204,20 @@ struct btrfs_data_container { }; }; +struct btrfs_ioctl_ino_path_args { + __u64 inum; /* in */ + __u32 size; /* in */ + __u64 reserved[4]; + struct btrfs_data_container *fspath; /* out */ +}; + +struct btrfs_ioctl_logical_ino_args { + __u64 logical; /* in */ + __u32 size; /* in */ + __u64 reserved[4]; + struct btrfs_data_container *inodes; /* out */ +}; + #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ struct btrfs_ioctl_vol_args) #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ @@ -259,4 +273,9 @@ struct btrfs_data_container { struct btrfs_ioctl_dev_info_args) #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ struct btrfs_ioctl_fs_info_args) +#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ + struct btrfs_ioctl_ino_path_args) +#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ + struct btrfs_ioctl_ino_path_args) + #endif |