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Diffstat (limited to 'fs/xfs/libxfs/xfs_log_format.h')
-rw-r--r--fs/xfs/libxfs/xfs_log_format.h89
1 files changed, 83 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h
index 16872972e1..3e6682ed65 100644
--- a/fs/xfs/libxfs/xfs_log_format.h
+++ b/fs/xfs/libxfs/xfs_log_format.h
@@ -115,10 +115,13 @@ struct xfs_unmount_log_format {
#define XLOG_REG_TYPE_BUD_FORMAT 26
#define XLOG_REG_TYPE_ATTRI_FORMAT 27
#define XLOG_REG_TYPE_ATTRD_FORMAT 28
-#define XLOG_REG_TYPE_ATTR_NAME 29
+#define XLOG_REG_TYPE_ATTR_NAME 29
#define XLOG_REG_TYPE_ATTR_VALUE 30
-#define XLOG_REG_TYPE_MAX 30
-
+#define XLOG_REG_TYPE_XMI_FORMAT 31
+#define XLOG_REG_TYPE_XMD_FORMAT 32
+#define XLOG_REG_TYPE_ATTR_NEWNAME 33
+#define XLOG_REG_TYPE_ATTR_NEWVALUE 34
+#define XLOG_REG_TYPE_MAX 34
/*
* Flags to log operation header
@@ -243,6 +246,8 @@ typedef struct xfs_trans_header {
#define XFS_LI_BUD 0x1245
#define XFS_LI_ATTRI 0x1246 /* attr set/remove intent*/
#define XFS_LI_ATTRD 0x1247 /* attr set/remove done */
+#define XFS_LI_XMI 0x1248 /* mapping exchange intent */
+#define XFS_LI_XMD 0x1249 /* mapping exchange done */
#define XFS_LI_TYPE_DESC \
{ XFS_LI_EFI, "XFS_LI_EFI" }, \
@@ -260,7 +265,9 @@ typedef struct xfs_trans_header {
{ XFS_LI_BUI, "XFS_LI_BUI" }, \
{ XFS_LI_BUD, "XFS_LI_BUD" }, \
{ XFS_LI_ATTRI, "XFS_LI_ATTRI" }, \
- { XFS_LI_ATTRD, "XFS_LI_ATTRD" }
+ { XFS_LI_ATTRD, "XFS_LI_ATTRD" }, \
+ { XFS_LI_XMI, "XFS_LI_XMI" }, \
+ { XFS_LI_XMD, "XFS_LI_XMD" }
/*
* Inode Log Item Format definitions.
@@ -879,6 +886,61 @@ struct xfs_bud_log_format {
};
/*
+ * XMI/XMD (file mapping exchange) log format definitions
+ */
+
+/* This is the structure used to lay out an mapping exchange log item. */
+struct xfs_xmi_log_format {
+ uint16_t xmi_type; /* xmi log item type */
+ uint16_t xmi_size; /* size of this item */
+ uint32_t __pad; /* must be zero */
+ uint64_t xmi_id; /* xmi identifier */
+
+ uint64_t xmi_inode1; /* inumber of first file */
+ uint64_t xmi_inode2; /* inumber of second file */
+ uint32_t xmi_igen1; /* generation of first file */
+ uint32_t xmi_igen2; /* generation of second file */
+ uint64_t xmi_startoff1; /* block offset into file1 */
+ uint64_t xmi_startoff2; /* block offset into file2 */
+ uint64_t xmi_blockcount; /* number of blocks */
+ uint64_t xmi_flags; /* XFS_EXCHMAPS_* */
+ uint64_t xmi_isize1; /* intended file1 size */
+ uint64_t xmi_isize2; /* intended file2 size */
+};
+
+/* Exchange mappings between extended attribute forks instead of data forks. */
+#define XFS_EXCHMAPS_ATTR_FORK (1ULL << 0)
+
+/* Set the file sizes when finished. */
+#define XFS_EXCHMAPS_SET_SIZES (1ULL << 1)
+
+/*
+ * Exchange the mappings of the two files only if the file allocation units
+ * mapped to file1's range have been written.
+ */
+#define XFS_EXCHMAPS_INO1_WRITTEN (1ULL << 2)
+
+/* Clear the reflink flag from inode1 after the operation. */
+#define XFS_EXCHMAPS_CLEAR_INO1_REFLINK (1ULL << 3)
+
+/* Clear the reflink flag from inode2 after the operation. */
+#define XFS_EXCHMAPS_CLEAR_INO2_REFLINK (1ULL << 4)
+
+#define XFS_EXCHMAPS_LOGGED_FLAGS (XFS_EXCHMAPS_ATTR_FORK | \
+ XFS_EXCHMAPS_SET_SIZES | \
+ XFS_EXCHMAPS_INO1_WRITTEN | \
+ XFS_EXCHMAPS_CLEAR_INO1_REFLINK | \
+ XFS_EXCHMAPS_CLEAR_INO2_REFLINK)
+
+/* This is the structure used to lay out an mapping exchange done log item. */
+struct xfs_xmd_log_format {
+ uint16_t xmd_type; /* xmd log item type */
+ uint16_t xmd_size; /* size of this item */
+ uint32_t __pad;
+ uint64_t xmd_xmi_id; /* id of corresponding xmi */
+};
+
+/*
* Dquot Log format definitions.
*
* The first two fields must be the type and size fitting into
@@ -966,6 +1028,9 @@ struct xfs_icreate_log {
#define XFS_ATTRI_OP_FLAGS_SET 1 /* Set the attribute */
#define XFS_ATTRI_OP_FLAGS_REMOVE 2 /* Remove the attribute */
#define XFS_ATTRI_OP_FLAGS_REPLACE 3 /* Replace the attribute */
+#define XFS_ATTRI_OP_FLAGS_PPTR_SET 4 /* Set parent pointer */
+#define XFS_ATTRI_OP_FLAGS_PPTR_REMOVE 5 /* Remove parent pointer */
+#define XFS_ATTRI_OP_FLAGS_PPTR_REPLACE 6 /* Replace parent pointer */
#define XFS_ATTRI_OP_FLAGS_TYPE_MASK 0xFF /* Flags type mask */
/*
@@ -974,6 +1039,7 @@ struct xfs_icreate_log {
*/
#define XFS_ATTRI_FILTER_MASK (XFS_ATTR_ROOT | \
XFS_ATTR_SECURE | \
+ XFS_ATTR_PARENT | \
XFS_ATTR_INCOMPLETE)
/*
@@ -983,11 +1049,22 @@ struct xfs_icreate_log {
struct xfs_attri_log_format {
uint16_t alfi_type; /* attri log item type */
uint16_t alfi_size; /* size of this item */
- uint32_t __pad; /* pad to 64 bit aligned */
+ uint32_t alfi_igen; /* generation of alfi_ino for pptr ops */
uint64_t alfi_id; /* attri identifier */
uint64_t alfi_ino; /* the inode for this attr operation */
uint32_t alfi_op_flags; /* marks the op as a set or remove */
- uint32_t alfi_name_len; /* attr name length */
+ union {
+ uint32_t alfi_name_len; /* attr name length */
+ struct {
+ /*
+ * For PPTR_REPLACE, these are the lengths of the old
+ * and new attr names. The new and old values must
+ * have the same length.
+ */
+ uint16_t alfi_old_name_len;
+ uint16_t alfi_new_name_len;
+ };
+ };
uint32_t alfi_value_len; /* attr value length */
uint32_t alfi_attr_filter;/* attr filter flags */
};