Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / fs / xfs / xfs_extfree_item.h

diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h
index 5bf6817..0ea45ed 100644 (file)
--- a/fs/xfs/xfs_extfree_item.h
+++ b/fs/xfs/xfs_extfree_item.h
@@ -26,6 +26,24 @@ typedef struct xfs_extent {
        xfs_extlen_t    ext_len;
 } xfs_extent_t;
 
+/*
+ * Since an xfs_extent_t has types (start:64, len: 32)
+ * there are different alignments on 32 bit and 64 bit kernels.
+ * So we provide the different variants for use by a
+ * conversion routine.
+ */
+
+typedef struct xfs_extent_32 {
+       xfs_dfsbno_t    ext_start;
+       xfs_extlen_t    ext_len;
+} __attribute__((packed)) xfs_extent_32_t;
+
+typedef struct xfs_extent_64 {
+       xfs_dfsbno_t    ext_start;
+       xfs_extlen_t    ext_len;
+       __uint32_t      ext_pad;
+} xfs_extent_64_t;
+
 /*
  * This is the structure used to lay out an efi log item in the
  * log.  The efi_extents field is a variable size array whose
@@ -39,6 +57,22 @@ typedef struct xfs_efi_log_format {
        xfs_extent_t            efi_extents[1]; /* array of extents to free */
 } xfs_efi_log_format_t;
 
+typedef struct xfs_efi_log_format_32 {
+       unsigned short          efi_type;       /* efi log item type */
+       unsigned short          efi_size;       /* size of this item */
+       uint                    efi_nextents;   /* # extents to free */
+       __uint64_t              efi_id;         /* efi identifier */
+       xfs_extent_32_t         efi_extents[1]; /* array of extents to free */
+} __attribute__((packed)) xfs_efi_log_format_32_t;
+
+typedef struct xfs_efi_log_format_64 {
+       unsigned short          efi_type;       /* efi log item type */
+       unsigned short          efi_size;       /* size of this item */
+       uint                    efi_nextents;   /* # extents to free */
+       __uint64_t              efi_id;         /* efi identifier */
+       xfs_extent_64_t         efi_extents[1]; /* array of extents to free */
+} xfs_efi_log_format_64_t;
+
 /*
  * This is the structure used to lay out an efd log item in the
  * log.  The efd_extents array is a variable size array whose
@@ -52,6 +86,22 @@ typedef struct xfs_efd_log_format {
        xfs_extent_t            efd_extents[1]; /* array of extents freed */
 } xfs_efd_log_format_t;
 
+typedef struct xfs_efd_log_format_32 {
+       unsigned short          efd_type;       /* efd log item type */
+       unsigned short          efd_size;       /* size of this item */
+       uint                    efd_nextents;   /* # of extents freed */
+       __uint64_t              efd_efi_id;     /* id of corresponding efi */
+       xfs_extent_32_t         efd_extents[1]; /* array of extents freed */
+} __attribute__((packed)) xfs_efd_log_format_32_t;
+
+typedef struct xfs_efd_log_format_64 {
+       unsigned short          efd_type;       /* efd log item type */
+       unsigned short          efd_size;       /* size of this item */
+       uint                    efd_nextents;   /* # of extents freed */
+       __uint64_t              efd_efi_id;     /* id of corresponding efi */
+       xfs_extent_64_t         efd_extents[1]; /* array of extents freed */
+} xfs_efd_log_format_64_t;
+
 
 #ifdef __KERNEL__
 
@@ -103,7 +153,8 @@ extern struct kmem_zone     *xfs_efd_zone;
 xfs_efi_log_item_t     *xfs_efi_init(struct xfs_mount *, uint);
 xfs_efd_log_item_t     *xfs_efd_init(struct xfs_mount *, xfs_efi_log_item_t *,
                                      uint);
-
+int                    xfs_efi_copy_format(xfs_log_iovec_t *buf,
+                                           xfs_efi_log_format_t *dst_efi_fmt);
 void                   xfs_efi_item_free(xfs_efi_log_item_t *);
 
 #endif /* __KERNEL__ */