xnu-792.10.96.tar.gz

[apple/xnu.git] / bsd / hfs / hfs.h

diff --git a/bsd/hfs/hfs.h b/bsd/hfs/hfs.h
index e9b96c239b18ddb5eabf0798bbf2f9a1681743fd..2d34f3f8a3cf1b84ce4be3caff16fe21d0c74dfd 100644 (file)
--- a/bsd/hfs/hfs.h
+++ b/bsd/hfs/hfs.h
@@ -247,6 +247,11 @@ typedef struct hfsmount {
 
        lck_mtx_t      hfs_mutex;      /* protects access to hfsmount data */
        void          *hfs_freezing_proc;  /* who froze the fs */
+       lck_rw_t       hfs_insync;     /* protects sync/freeze interaction */
+
+       /* Resize variables: */
+       u_int32_t               hfs_resize_filesmoved;
+       u_int32_t               hfs_resize_totalfiles;
 } hfsmount_t;
 
 typedef hfsmount_t  ExtendedVCB;
@@ -274,6 +279,7 @@ typedef hfsmount_t  ExtendedVCB;
 #define HFS_FRAGMENTED_FREESPACE  0x100
 #define HFS_NEED_JNL_RESET        0x200
 #define HFS_HAS_SPARSE_DEVICE     0x400
+#define HFS_RESIZE_IN_PROGRESS    0x800
 
 
 #define HFS_MOUNT_LOCK(hfsmp, metadata)                      \
@@ -301,6 +307,7 @@ typedef struct filefork FCB;
 #define MAKE_INODE_NAME(name,linkno) \
            (void) sprintf((name), "%s%d", HFS_INODE_PREFIX, (linkno))
 
+#define HFS_INODE_PREFIX_LEN   5
 
 
 #define HFS_AVERAGE_NAME_SIZE  22
@@ -489,6 +496,7 @@ extern void hfs_checkextendedsecurity(struct hfsmount *hfsmp);
 
 extern int  hfs_extendfs(struct hfsmount *, u_int64_t, vfs_context_t);
 extern int  hfs_truncatefs(struct hfsmount *, u_int64_t, vfs_context_t);
+extern int  hfs_resize_progress(struct hfsmount *, u_int32_t *);
 
 extern int  hfs_isallocated(struct hfsmount *, u_long, u_long);