diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2008-01-28 23:58:26 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-01-28 23:58:26 -0500 |
| commit | c14c6fd5c56a0d0495d8a7c0f2bc330be658663e (patch) | |
| tree | 6ca056c1cff1103739170d7a19c66a9966c59eb2 /include | |
| parent | 25ec56b518257a56d2ff41a941d288e4b5ff9488 (diff) | |
ext4: Add EXT4_IOC_MIGRATE ioctl
The below patch add ioctl for migrating ext3 indirect block mapped inode
to ext4 extent mapped inode.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ext4_fs.h | 4 | ||||
| -rw-r--r-- | include/linux/ext4_fs_extents.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index b6092940c8b8..213974f7c5d8 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -243,6 +243,7 @@ struct ext4_new_group_data { #endif #define EXT4_IOC_GETRSVSZ _IOR('f', 5, long) #define EXT4_IOC_SETRSVSZ _IOW('f', 6, long) +#define EXT4_IOC_MIGRATE _IO('f', 7) /* * ioctl commands in 32 bit emulation @@ -983,6 +984,9 @@ extern int ext4_ioctl (struct inode *, struct file *, unsigned int, unsigned long); extern long ext4_compat_ioctl (struct file *, unsigned int, unsigned long); +/* migrate.c */ +extern int ext4_ext_migrate(struct inode *, struct file *, unsigned int, + unsigned long); /* namei.c */ extern int ext4_orphan_add(handle_t *, struct inode *); extern int ext4_orphan_del(handle_t *, struct inode *); diff --git a/include/linux/ext4_fs_extents.h b/include/linux/ext4_fs_extents.h index 023683b9d883..1cfb4854c964 100644 --- a/include/linux/ext4_fs_extents.h +++ b/include/linux/ext4_fs_extents.h @@ -212,6 +212,8 @@ static inline int ext4_ext_get_actual_len(struct ext4_extent *ext) (le16_to_cpu(ext->ee_len) - EXT_INIT_MAX_LEN)); } +extern ext4_fsblk_t idx_pblock(struct ext4_extent_idx *); +extern void ext4_ext_store_pblock(struct ext4_extent *, ext4_fsblk_t); extern int ext4_extent_tree_init(handle_t *, struct inode *); extern int ext4_ext_calc_credits_for_insert(struct inode *, struct ext4_ext_path *); extern int ext4_ext_try_to_merge(struct inode *inode, |