Add support for the F2FS filesystem

This adds a basic support for the Flash-Friendly File System. So
we can manipulate the file system by using the PedFileSystem API and we
can do basic device probing for autodetecting the current fs.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Brian C. Lane <bcl@redhat.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/libparted/fs/f2fs/f2fs.h b/libparted/fs/f2fs/f2fs.h
new file mode 100644
index 0000000..c96b88f
--- /dev/null
+++ b/libparted/fs/f2fs/f2fs.h
@@ -0,0 +1,57 @@
+/*
+    libparted/fs/f2fs - Flash-Friendly File System
+    Copyright (C) 2020 Free Software Foundation, Inc.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef _F2FS_H
+#define _F2FS_H
+
+#define F2FS_MAGIC		0xF2F52010
+#define F2FS_MAX_VOLUME_NAME	512
+#define F2FS_SB_OFFSET		0x02
+
+struct f2fs_super_block {
+    uint32_t magic;			/* Magic Number */
+    uint16_t major_ver;			/* Major Version */
+    uint16_t minor_ver;			/* Minor Version */
+    uint32_t log_sectorsize;		/* log2 sector size in bytes */
+    uint32_t log_sectors_per_block;	/* log2 # of sectors per block */
+    uint32_t log_blocksize;		/* log2 block size in bytes */
+    uint32_t log_blocks_per_seg;	/* log2 # of blocks per segment */
+    uint32_t segs_per_sec;		/* # of segments per section */
+    uint32_t secs_per_zone;		/* # of sections per zone */
+    uint32_t checksum_offset;		/* checksum offset inside super block */
+    uint64_t block_count;		/* total # of user blocks */
+    uint32_t section_count;		/* total # of sections */
+    uint32_t segment_count;		/* total # of segments */
+    uint32_t segment_count_ckpt;	/* # of segments for checkpoint */
+    uint32_t segment_count_sit;		/* # of segments for SIT */
+    uint32_t segment_count_nat;		/* # of segments for NAT */
+    uint32_t segment_count_ssa;		/* # of segments for SSA */
+    uint32_t segment_count_main;	/* # of segments for main area */
+    uint32_t segment0_blkaddr;		/* start block address of segment 0 */
+    uint32_t cp_blkaddr;		/* start block address of checkpoint */
+    uint32_t sit_blkaddr;		/* start block address of SIT */
+    uint32_t nat_blkaddr;		/* start block address of NAT */
+    uint32_t ssa_blkaddr;		/* start block address of SSA */
+    uint32_t main_blkaddr;		/* start block address of main area */
+    uint32_t root_ino;			/* root inode number */
+    uint32_t node_ino;			/* node inode number */
+    uint32_t meta_ino;			/* meta inode number */
+    uint8_t uuid[16];			/* 128-bit uuid for volume */
+    uint16_t volume_name[F2FS_MAX_VOLUME_NAME];	/* volume name */
+} __attribute__((packed));
+
+#endif