Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[firefly-linux-kernel-4.4.55.git] / fs / ocfs2 / ocfs2_ioctl.h

diff --git a/fs/ocfs2/ocfs2_ioctl.h b/fs/ocfs2/ocfs2_ioctl.h
index b46f39bf7438d5048dd5637d5762b4d6c44990e4..5b27ff1fa577d95533c0b594349b23f8cc62bd62 100644 (file)
--- a/fs/ocfs2/ocfs2_ioctl.h
+++ b/fs/ocfs2/ocfs2_ioctl.h
@@ -142,6 +142,38 @@ struct ocfs2_info_journal_size {
        __u64 ij_journal_size;
 };
 
+struct ocfs2_info_freeinode {
+       struct ocfs2_info_request ifi_req;
+       struct ocfs2_info_local_freeinode {
+               __u64 lfi_total;
+               __u64 lfi_free;
+       } ifi_stat[OCFS2_MAX_SLOTS];
+       __u32 ifi_slotnum; /* out */
+       __u32 ifi_pad;
+};
+
+#define OCFS2_INFO_MAX_HIST     (32)
+
+struct ocfs2_info_freefrag {
+       struct ocfs2_info_request iff_req;
+       struct ocfs2_info_freefrag_stats { /* (out) */
+               struct ocfs2_info_free_chunk_list {
+                       __u32 fc_chunks[OCFS2_INFO_MAX_HIST];
+                       __u32 fc_clusters[OCFS2_INFO_MAX_HIST];
+               } ffs_fc_hist;
+               __u32 ffs_clusters;
+               __u32 ffs_free_clusters;
+               __u32 ffs_free_chunks;
+               __u32 ffs_free_chunks_real;
+               __u32 ffs_min; /* Minimum free chunksize in clusters */
+               __u32 ffs_max;
+               __u32 ffs_avg;
+               __u32 ffs_pad;
+       } iff_ffs;
+       __u32 iff_chunksize; /* chunksize in clusters(in) */
+       __u32 iff_pad;
+};
+
 /* Codes for ocfs2_info_request */
 enum ocfs2_info_type {
        OCFS2_INFO_CLUSTERSIZE = 1,
@@ -151,6 +183,8 @@ enum ocfs2_info_type {
        OCFS2_INFO_UUID,
        OCFS2_INFO_FS_FEATURES,
        OCFS2_INFO_JOURNAL_SIZE,
+       OCFS2_INFO_FREEINODE,
+       OCFS2_INFO_FREEFRAG,
        OCFS2_INFO_NUM_TYPES
 };
 
@@ -171,4 +205,38 @@ enum ocfs2_info_type {
 
 #define OCFS2_IOC_INFO         _IOR('o', 5, struct ocfs2_info)
 
+struct ocfs2_move_extents {
+/* All values are in bytes */
+       /* in */
+       __u64 me_start;         /* Virtual start in the file to move */
+       __u64 me_len;           /* Length of the extents to be moved */
+       __u64 me_goal;          /* Physical offset of the goal,
+                                  it's in block unit */
+       __u64 me_threshold;     /* Maximum distance from goal or threshold
+                                  for auto defragmentation */
+       __u64 me_flags;         /* Flags for the operation:
+                                * - auto defragmentation.
+                                * - refcount,xattr cases.
+                                */
+       /* out */
+       __u64 me_moved_len;     /* Moved/defraged length */
+       __u64 me_new_offset;    /* Resulting physical location */
+       __u32 me_reserved[2];   /* Reserved for futhure */
+};
+
+#define OCFS2_MOVE_EXT_FL_AUTO_DEFRAG  (0x00000001)    /* Kernel manages to
+                                                          claim new clusters
+                                                          as the goal place
+                                                          for extents moving */
+#define OCFS2_MOVE_EXT_FL_PART_DEFRAG  (0x00000002)    /* Allow partial extent
+                                                          moving, is to make
+                                                          movement less likely
+                                                          to fail, may make fs
+                                                          even more fragmented */
+#define OCFS2_MOVE_EXT_FL_COMPLETE     (0x00000004)    /* Move or defragmenation
+                                                          completely gets done.
+                                                        */
+
+#define OCFS2_IOC_MOVE_EXT     _IOW('o', 6, struct ocfs2_move_extents)
+
 #endif /* OCFS2_IOCTL_H */