Jie Liu
2010-Sep-20 07:11 UTC
[Ocfs2-devel] [PATCH 2/3] build: distribute new file, fiemap.h v4
Add fiemap header to src.
* src/Makefile.am (noinst_HEADERS): Add fiemap.h.
Signed-off-by: Jie Liu <jeff.liu at oracle.com>
---
coreutils-6.9/src/Makefile.am | 3 +-
coreutils-6.9/src/fiemap.h | 102 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 104 insertions(+), 1 deletions(-)
create mode 100644 coreutils-6.9/src/fiemap.h
diff --git a/coreutils-6.9/src/Makefile.am b/coreutils-6.9/src/Makefile.am
index 863a32b..af132e1 100644
--- a/coreutils-6.9/src/Makefile.am
+++ b/coreutils-6.9/src/Makefile.am
@@ -43,7 +43,8 @@ noinst_HEADERS = \
remove.h \
system.h \
wheel-size.h \
- wheel.h
+ wheel.h \
+ fiemap.h
EXTRA_DIST = dcgen dircolors.hin tac-pipe.c \
groups.sh wheel-gen.pl extract-magic c99-to-c89.diff
diff --git a/coreutils-6.9/src/fiemap.h b/coreutils-6.9/src/fiemap.h
new file mode 100644
index 0000000..c5d8424
--- /dev/null
+++ b/coreutils-6.9/src/fiemap.h
@@ -0,0 +1,102 @@
+/* FS_IOC_FIEMAP ioctl infrastructure.
+ Some portions copyright (C) 2007 Cluster File Systems, Inc
+ Authors: Mark Fasheh <mfasheh at suse.com>
+ Kalpak Shah <kalpak.shah at sun.com>
+ Andreas Dilger <adilger at sun.com>. */
+
+/* Copy from kernel, modified to respect GNU code style by Jie Liu. */
+
+#ifndef _LINUX_FIEMAP_H
+# define _LINUX_FIEMAP_H
+
+# include <stdint.h>
+
+struct fiemap_extent
+{
+ /* Logical offset in bytes for the start of the extent
+ from the beginning of the file. */
+ uint64_t fe_logical;
+
+ /* Physical offset in bytes for the start of the extent
+ from the beginning of the disk. */
+ uint64_t fe_physical;
+
+ /* Length in bytes for this extent. */
+ uint64_t fe_length;
+
+ uint64_t fe_reserved64[2];
+
+ /* FIEMAP_EXTENT_* flags for this extent. */
+ uint32_t fe_flags;
+
+ uint32_t fe_reserved[3];
+};
+
+struct fiemap
+{
+ /* Logical offset(inclusive) at which to start mapping(in). */
+ uint64_t fm_start;
+
+ /* Logical length of mapping which userspace wants(in). */
+ uint64_t fm_length;
+
+ /* FIEMAP_FLAG_* flags for request(in/out). */
+ uint32_t fm_flags;
+
+ /* Number of extents that were mapped(out). */
+ uint32_t fm_mapped_extents;
+
+ /* Size of fm_extents array(in). */
+ uint32_t fm_extent_count;
+
+ uint32_t fm_reserved;
+
+ /* Array of mapped extents(out). */
+ struct fiemap_extent fm_extents[0];
+};
+
+/* The maximum offset can be mapped for a file. */
+# define FIEMAP_MAX_OFFSET (~0ULL)
+
+/* Sync file data before map. */
+# define FIEMAP_FLAG_SYNC 0x00000001
+
+/* Map extented attribute tree. */
+# define FIEMAP_FLAG_XATTR 0x00000002
+
+# define FIEMAP_FLAGS_COMPAT (FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR)
+
+/* Last extent in file. */
+# define FIEMAP_EXTENT_LAST 0x00000001
+
+/* Data location unknown. */
+# define FIEMAP_EXTENT_UNKNOWN 0x00000002
+
+/* Location still pending, Sets EXTENT_UNKNOWN. */
+# define FIEMAP_EXTENT_DELALLOC 0x00000004
+
+/* Data can not be read while fs is unmounted. */
+# define FIEMAP_EXTENT_ENCODED 0x00000008
+
+/* Data is encrypted by fs. Sets EXTENT_NO_BYPASS. */
+# define FIEMAP_EXTENT_DATA_ENCRYPTED 0x00000080
+
+/* Extent offsets may not be block aligned. */
+# define FIEMAP_EXTENT_NOT_ALIGNED 0x00000100
+
+/* Data mixed with metadata. Sets EXTENT_NOT_ALIGNED. */
+# define FIEMAP_EXTENT_DATA_INLINE 0x00000200
+
+/* Multiple files in block. Set EXTENT_NOT_ALIGNED. */
+# define FIEMAP_EXTENT_DATA_TAIL 0x00000400
+
+/* Space allocated, but not data (i.e. zero). */
+# define FIEMAP_EXTENT_UNWRITTEN 0x00000800
+
+/* File does not natively support extents. Result merged for efficiency. */
+# define FIEMAP_EXTENT_MERGED 0x00001000
+
+/* Space shared with other files. */
+# define FIEMAP_EXTENT_SHARED 0x00002000
+
+#endif
--
1.5.4.3