diff options
Diffstat (limited to 'source/a/grub/grub.f2fs.patch')
| -rw-r--r-- | source/a/grub/grub.f2fs.patch | 1514 |
1 files changed, 0 insertions, 1514 deletions
diff --git a/source/a/grub/grub.f2fs.patch b/source/a/grub/grub.f2fs.patch deleted file mode 100644 index 527715303..000000000 --- a/source/a/grub/grub.f2fs.patch +++ /dev/null @@ -1,1514 +0,0 @@ -From 71f9e4ac44142af52c3fc1860436cf9e432bf764 Mon Sep 17 00:00:00 2001 -From: Jaegeuk Kim <jaegeuk@kernel.org> -Date: Thu, 29 Mar 2018 16:37:39 +0100 -Subject: fs: Add F2FS support - -"F2FS (Flash-Friendly File System) is flash-friendly file system which was merged -into Linux kernel v3.8 in 2013. - -The motive for F2FS was to build a file system that from the start, takes into -account the characteristics of NAND flash memory-based storage devices (such as -solid-state disks, eMMC, and SD cards). - -F2FS was designed on a basis of a log-structured file system approach, which -remedies some known issues of the older log structured file systems, such as -the snowball effect of wandering trees and high cleaning overhead. In addition, -since a NAND-based storage device shows different characteristics according to -its internal geometry or flash memory management scheme (such as the Flash -Translation Layer or FTL), it supports various parameters not only for -configuring on-disk layout, but also for selecting allocation and cleaning -algorithm.", quote by https://en.wikipedia.org/wiki/F2FS. - -The source codes for F2FS are available from: - -http://git.kernel.org/cgit/linux/kernel/git/jaegeuk/f2fs.git -http://git.kernel.org/cgit/linux/kernel/git/jaegeuk/f2fs-tools.git - -This patch has been integrated in OpenMandriva Lx 3. - https://www.openmandriva.org/ - -Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> -Signed-off-by: Pete Batard <pete@akeo.ie> -Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com> -Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> ---- - Makefile.util.def | 7 + - docs/grub.texi | 7 +- - grub-core/Makefile.core.def | 5 + - grub-core/fs/f2fs.c | 1314 ++++++++++++++++++++++++++++++++++++++++++ - po/exclude.pot | 1 + - tests/f2fs_test.in | 19 + - tests/util/grub-fs-tester.in | 10 +- - 7 files changed, 1358 insertions(+), 5 deletions(-) - create mode 100644 grub-core/fs/f2fs.c - create mode 100644 tests/f2fs_test.in - -diff --git a/Makefile.util.def b/Makefile.util.def -index f9caccb..3180ac8 100644 ---- a/Makefile.util.def -+++ b/Makefile.util.def -@@ -99,6 +99,7 @@ library = { - common = grub-core/fs/ext2.c; - common = grub-core/fs/fat.c; - common = grub-core/fs/exfat.c; -+ common = grub-core/fs/f2fs.c; - common = grub-core/fs/fshelp.c; - common = grub-core/fs/hfs.c; - common = grub-core/fs/hfsplus.c; -@@ -776,6 +777,12 @@ script = { - - script = { - testcase; -+ name = f2fs_test; -+ common = tests/f2fs_test.in; -+}; -+ -+script = { -+ testcase; - name = nilfs2_test; - common = tests/nilfs2_test.in; - }; -diff --git a/docs/grub.texi b/docs/grub.texi -index 65b4bbe..0f2ab91 100644 ---- a/docs/grub.texi -+++ b/docs/grub.texi -@@ -360,8 +360,9 @@ blocklist notation. The currently supported filesystem types are @dfn{Amiga - Fast FileSystem (AFFS)}, @dfn{AtheOS fs}, @dfn{BeFS}, - @dfn{BtrFS} (including raid0, raid1, raid10, gzip and lzo), - @dfn{cpio} (little- and big-endian bin, odc and newc variants), --@dfn{Linux ext2/ext3/ext4}, @dfn{DOS FAT12/FAT16/FAT32}, @dfn{exFAT}, @dfn{HFS}, --@dfn{HFS+}, @dfn{ISO9660} (including Joliet, Rock-ridge and multi-chunk files), -+@dfn{Linux ext2/ext3/ext4}, @dfn{DOS FAT12/FAT16/FAT32}, -+@dfn{exFAT}, @dfn{F2FS}, @dfn{HFS}, @dfn{HFS+}, -+@dfn{ISO9660} (including Joliet, Rock-ridge and multi-chunk files), - @dfn{JFS}, @dfn{Minix fs} (versions 1, 2 and 3), @dfn{nilfs2}, - @dfn{NTFS} (including compression), @dfn{ReiserFS}, @dfn{ROMFS}, - @dfn{Amiga Smart FileSystem (SFS)}, @dfn{Squash4}, @dfn{tar}, @dfn{UDF}, -@@ -5375,7 +5376,7 @@ NTFS, JFS, UDF, HFS+, exFAT, long filenames in FAT, Joliet part of - ISO9660 are treated as UTF-16 as per specification. AFS and BFS are read - as UTF-8, again according to specification. BtrFS, cpio, tar, squash4, minix, - minix2, minix3, ROMFS, ReiserFS, XFS, ext2, ext3, ext4, FAT (short names), --RockRidge part of ISO9660, nilfs2, UFS1, UFS2 and ZFS are assumed -+F2FS, RockRidge part of ISO9660, nilfs2, UFS1, UFS2 and ZFS are assumed - to be UTF-8. This might be false on systems configured with legacy charset - but as long as the charset used is superset of ASCII you should be able to - access ASCII-named files. And it's recommended to configure your system to use -diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def -index 2c1d62c..fc4767f 100644 ---- a/grub-core/Makefile.core.def -+++ b/grub-core/Makefile.core.def -@@ -1315,6 +1315,11 @@ module = { - }; - - module = { -+ name = f2fs; -+ common = fs/f2fs.c; -+}; -+ -+module = { - name = fshelp; - common = fs/fshelp.c; - }; -diff --git a/grub-core/fs/f2fs.c b/grub-core/fs/f2fs.c -new file mode 100644 -index 0000000..1cad261 ---- /dev/null -+++ b/grub-core/fs/f2fs.c -@@ -0,0 +1,1314 @@ -+/* -+ * f2fs.c - Flash-Friendly File System -+ * -+ * Written by Jaegeuk Kim <jaegeuk@kernel.org> -+ * -+ * Copyright (C) 2015 Free Software Foundation, Inc. -+ * -+ * GRUB 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. -+ * -+ * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. -+ */ -+ -+#include <grub/err.h> -+#include <grub/file.h> -+#include <grub/mm.h> -+#include <grub/misc.h> -+#include <grub/disk.h> -+#include <grub/dl.h> -+#include <grub/types.h> -+#include <grub/charset.h> -+#include <grub/fshelp.h> -+ -+GRUB_MOD_LICENSE ("GPLv3+"); -+ -+/* F2FS Magic Number. */ -+#define F2FS_SUPER_MAGIC 0xf2f52010 -+ -+#define CHECKSUM_OFFSET 4092 /* Must be aligned 4 bytes. */ -+#define U32_CHECKSUM_OFFSET (CHECKSUM_OFFSET >> 2) -+#define CRCPOLY_LE 0xedb88320 -+ -+/* Byte-size offset. */ -+#define F2FS_SUPER_OFFSET ((grub_disk_addr_t)1024) -+#define F2FS_SUPER_OFFSET0 (F2FS_SUPER_OFFSET >> GRUB_DISK_SECTOR_BITS) -+#define F2FS_SUPER_OFFSET1 ((F2FS_SUPER_OFFSET + F2FS_BLKSIZE) >> \ -+ GRUB_DISK_SECTOR_BITS) -+ -+/* 9 bits for 512 bytes. */ -+#define F2FS_MIN_LOG_SECTOR_SIZE 9 -+ -+/* Support only 4KB block. */ -+#define F2FS_BLK_BITS 12 -+#define F2FS_BLKSIZE (1 << F2FS_BLK_BITS) -+#define F2FS_BLK_SEC_BITS (F2FS_BLK_BITS - GRUB_DISK_SECTOR_BITS) -+ -+#define VERSION_LEN 256 -+#define F2FS_MAX_EXTENSION 64 -+ -+#define CP_COMPACT_SUM_FLAG 0x00000004 -+#define CP_UMOUNT_FLAG 0x00000001 -+ -+#define MAX_ACTIVE_LOGS 16 -+#define MAX_ACTIVE_NODE_LOGS 8 -+#define MAX_ACTIVE_DATA_LOGS 8 -+#define NR_CURSEG_DATA_TYPE 3 -+#define NR_CURSEG_NODE_TYPE 3 -+#define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) -+ -+#define ENTRIES_IN_SUM 512 -+#define SUMMARY_SIZE 7 -+#define SUM_FOOTER_SIZE 5 -+#define JENTRY_SIZE (sizeof(struct grub_f2fs_nat_jent)) -+#define SUM_ENTRIES_SIZE (SUMMARY_SIZE * ENTRIES_IN_SUM) -+#define SUM_JOURNAL_SIZE (F2FS_BLKSIZE - SUM_FOOTER_SIZE - SUM_ENTRIES_SIZE) -+#define NAT_JOURNAL_ENTRIES ((SUM_JOURNAL_SIZE - 2) / JENTRY_SIZE) -+#define NAT_JOURNAL_RESERVED ((SUM_JOURNAL_SIZE - 2) % JENTRY_SIZE) -+ -+#define NAT_ENTRY_SIZE (sizeof(struct grub_f2fs_nat_entry)) -+#define NAT_ENTRY_PER_BLOCK (F2FS_BLKSIZE / NAT_ENTRY_SIZE) -+ -+#define F2FS_NAME_LEN 255 -+#define F2FS_SLOT_LEN 8 -+#define NR_DENTRY_IN_BLOCK 214 -+#define SIZE_OF_DIR_ENTRY 11 /* By byte. */ -+#define BITS_PER_BYTE 8 -+#define SIZE_OF_DENTRY_BITMAP ((NR_DENTRY_IN_BLOCK + BITS_PER_BYTE - 1) / \ -+ BITS_PER_BYTE) -+#define SIZE_OF_RESERVED (F2FS_BLKSIZE - \ -+ ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ -+ NR_DENTRY_IN_BLOCK + SIZE_OF_DENTRY_BITMAP)) -+ -+#define F2FS_INLINE_XATTR_ADDRS 50 /* 200 bytes for inline xattrs. */ -+#define DEF_ADDRS_PER_INODE 923 /* Address Pointers in an Inode. */ -+ -+#define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block. */ -+#define NIDS_PER_BLOCK 1018 /* Node IDs in an Indirect Block. */ -+#define NODE_DIR1_BLOCK (DEF_ADDRS_PER_INODE + 1) -+#define NODE_DIR2_BLOCK (DEF_ADDRS_PER_INODE + 2) -+#define NODE_IND1_BLOCK (DEF_ADDRS_PER_INODE + 3) -+#define NODE_IND2_BLOCK (DEF_ADDRS_PER_INODE + 4) -+#define NODE_DIND_BLOCK (DEF_ADDRS_PER_INODE + 5) -+ -+#define MAX_INLINE_DATA (4 * (DEF_ADDRS_PER_INODE - \ -+ F2FS_INLINE_XATTR_ADDRS - 1)) -+#define NR_INLINE_DENTRY (MAX_INLINE_DATA * BITS_PER_BYTE / \ -+ ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ -+ BITS_PER_BYTE + 1)) -+#define INLINE_DENTRY_BITMAP_SIZE ((NR_INLINE_DENTRY + BITS_PER_BYTE - 1) / \ -+ BITS_PER_BYTE) -+#define INLINE_RESERVED_SIZE (MAX_INLINE_DATA - \ -+ ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ -+ NR_INLINE_DENTRY + \ -+ INLINE_DENTRY_BITMAP_SIZE)) -+#define CURSEG_HOT_DATA 0 -+ -+#define CKPT_FLAG_SET(ckpt, f) (ckpt)->ckpt_flags & \ -+ grub_cpu_to_le32_compile_time (f) -+ -+#define F2FS_INLINE_XATTR 0x01 /* File inline xattr flag. */ -+#define F2FS_INLINE_DATA 0x02 /* File inline data flag. */ -+#define F2FS_INLINE_DENTRY 0x04 /* File inline dentry flag. */ -+#define F2FS_DATA_EXIST 0x08 /* File inline data exist flag. */ -+#define F2FS_INLINE_DOTS 0x10 /* File having implicit dot dentries. */ -+ -+#define MAX_VOLUME_NAME 512 -+ -+enum FILE_TYPE -+{ -+ F2FS_FT_UNKNOWN, -+ F2FS_FT_REG_FILE = 1, -+ F2FS_FT_DIR = 2, -+ F2FS_FT_SYMLINK = 7 -+}; -+ -+struct grub_f2fs_superblock -+{ -+ grub_uint32_t magic; -+ grub_uint16_t dummy1[2]; -+ grub_uint32_t log_sectorsize; -+ grub_uint32_t log_sectors_per_block; -+ grub_uint32_t log_blocksize; -+ grub_uint32_t log_blocks_per_seg; -+ grub_uint32_t segs_per_sec; -+ grub_uint32_t secs_per_zone; -+ grub_uint32_t checksum_offset; -+ grub_uint8_t dummy2[40]; -+ grub_uint32_t cp_blkaddr; -+ grub_uint32_t sit_blkaddr; -+ grub_uint32_t nat_blkaddr; -+ grub_uint32_t ssa_blkaddr; -+ grub_uint32_t main_blkaddr; -+ grub_uint32_t root_ino; -+ grub_uint32_t node_ino; -+ grub_uint32_t meta_ino; -+ grub_uint8_t uuid[16]; -+ grub_uint16_t volume_name[MAX_VOLUME_NAME]; -+ grub_uint32_t extension_count; -+ grub_uint8_t extension_list[F2FS_MAX_EXTENSION][8]; -+ grub_uint32_t cp_payload; -+ grub_uint8_t version[VERSION_LEN]; -+ grub_uint8_t init_version[VERSION_LEN]; -+} GRUB_PACKED; -+ -+struct grub_f2fs_checkpoint -+{ -+ grub_uint64_t checkpoint_ver; -+ grub_uint64_t user_block_count; -+ grub_uint64_t valid_block_count; -+ grub_uint32_t rsvd_segment_count; -+ grub_uint32_t overprov_segment_count; -+ grub_uint32_t free_segment_count; -+ grub_uint32_t cur_node_segno[MAX_ACTIVE_NODE_LOGS]; -+ grub_uint16_t cur_node_blkoff[MAX_ACTIVE_NODE_LOGS]; -+ grub_uint32_t cur_data_segno[MAX_ACTIVE_DATA_LOGS]; -+ grub_uint16_t cur_data_blkoff[MAX_ACTIVE_DATA_LOGS]; -+ grub_uint32_t ckpt_flags; -+ grub_uint32_t cp_pack_total_block_count; -+ grub_uint32_t cp_pack_start_sum; -+ grub_uint32_t valid_node_count; -+ grub_uint32_t valid_inode_count; -+ grub_uint32_t next_free_nid; -+ grub_uint32_t sit_ver_bitmap_bytesize; -+ grub_uint32_t nat_ver_bitmap_bytesize; -+ grub_uint32_t checksum_offset; -+ grub_uint64_t elapsed_time; -+ grub_uint8_t alloc_type[MAX_ACTIVE_LOGS]; -+ grub_uint8_t sit_nat_version_bitmap[3900]; -+ grub_uint32_t checksum; -+} GRUB_PACKED; -+ -+struct grub_f2fs_nat_entry { -+ grub_uint8_t version; -+ grub_uint32_t ino; -+ grub_uint32_t block_addr; -+} GRUB_PACKED; -+ -+struct grub_f2fs_nat_jent -+{ -+ grub_uint32_t nid; -+ struct grub_f2fs_nat_entry ne; -+} GRUB_PACKED; -+ -+struct grub_f2fs_nat_journal { -+ grub_uint16_t n_nats; -+ struct grub_f2fs_nat_jent entries[NAT_JOURNAL_ENTRIES]; -+ grub_uint8_t reserved[NAT_JOURNAL_RESERVED]; -+} GRUB_PACKED; -+ -+struct grub_f2fs_nat_block { -+ struct grub_f2fs_nat_entry ne[NAT_ENTRY_PER_BLOCK]; -+} GRUB_PACKED; -+ -+struct grub_f2fs_dir_entry -+{ -+ grub_uint32_t hash_code; -+ grub_uint32_t ino; -+ grub_uint16_t name_len; -+ grub_uint8_t file_type; -+} GRUB_PACKED; -+ -+struct grub_f2fs_inline_dentry -+{ -+ grub_uint8_t dentry_bitmap[INLINE_DENTRY_BITMAP_SIZE]; -+ grub_uint8_t reserved[INLINE_RESERVED_SIZE]; -+ struct grub_f2fs_dir_entry dentry[NR_INLINE_DENTRY]; -+ grub_uint8_t filename[NR_INLINE_DENTRY][F2FS_SLOT_LEN]; -+} GRUB_PACKED; -+ -+struct grub_f2fs_dentry_block { -+ grub_uint8_t dentry_bitmap[SIZE_OF_DENTRY_BITMAP]; -+ grub_uint8_t reserved[SIZE_OF_RESERVED]; -+ struct grub_f2fs_dir_entry dentry[NR_DENTRY_IN_BLOCK]; -+ grub_uint8_t filename[NR_DENTRY_IN_BLOCK][F2FS_SLOT_LEN]; -+} GRUB_PACKED; -+ -+struct grub_f2fs_inode -+{ -+ grub_uint16_t i_mode; -+ grub_uint8_t i_advise; -+ grub_uint8_t i_inline; -+ grub_uint32_t i_uid; -+ grub_uint32_t i_gid; -+ grub_uint32_t i_links; -+ grub_uint64_t i_size; -+ grub_uint64_t i_blocks; -+ grub_uint64_t i_atime; -+ grub_uint64_t i_ctime; -+ grub_uint64_t i_mtime; -+ grub_uint32_t i_atime_nsec; -+ grub_uint32_t i_ctime_nsec; -+ grub_uint32_t i_mtime_nsec; -+ grub_uint32_t i_generation; -+ grub_uint32_t i_current_depth; -+ grub_uint32_t i_xattr_nid; -+ grub_uint32_t i_flags; -+ grub_uint32_t i_pino; -+ grub_uint32_t i_namelen; -+ grub_uint8_t i_name[F2FS_NAME_LEN]; -+ grub_uint8_t i_dir_level; -+ grub_uint8_t i_ext[12]; -+ grub_uint32_t i_addr[DEF_ADDRS_PER_INODE]; -+ grub_uint32_t i_nid[5]; -+} GRUB_PACKED; -+ -+struct grub_direct_node { -+ grub_uint32_t addr[ADDRS_PER_BLOCK]; -+} GRUB_PACKED; -+ -+struct grub_indirect_node { -+ grub_uint32_t nid[NIDS_PER_BLOCK]; -+} GRUB_PACKED; -+ -+struct grub_f2fs_node -+{ -+ union -+ { -+ struct grub_f2fs_inode i; -+ struct grub_direct_node dn; -+ struct grub_indirect_node in; -+ /* Should occupy F2FS_BLKSIZE totally. */ -+ char buf[F2FS_BLKSIZE - 40]; -+ }; -+ grub_uint8_t dummy[40]; -+} GRUB_PACKED; -+ -+struct grub_fshelp_node -+{ -+ struct grub_f2fs_data *data; -+ struct grub_f2fs_node inode; -+ grub_uint32_t ino; -+ int inode_read; -+}; -+ -+struct grub_f2fs_data -+{ -+ struct grub_f2fs_superblock sblock; -+ struct grub_f2fs_checkpoint ckpt; -+ -+ grub_uint32_t root_ino; -+ grub_uint32_t blocks_per_seg; -+ grub_uint32_t cp_blkaddr; -+ grub_uint32_t nat_blkaddr; -+ -+ struct grub_f2fs_nat_journal nat_j; -+ char *nat_bitmap; -+ -+ grub_disk_t disk; -+ struct grub_f2fs_node *inode; -+ struct grub_fshelp_node diropen; -+}; -+ -+struct grub_f2fs_dir_iter_ctx -+{ -+ struct grub_f2fs_data *data; -+ grub_fshelp_iterate_dir_hook_t hook; -+ void *hook_data; -+ grub_uint8_t *bitmap; -+ grub_uint8_t (*filename)[F2FS_SLOT_LEN]; -+ struct grub_f2fs_dir_entry *dentry; -+ int max; -+}; -+ -+struct grub_f2fs_dir_ctx -+{ -+ grub_fs_dir_hook_t hook; -+ void *hook_data; -+ struct grub_f2fs_data *data; -+}; -+ -+static grub_dl_t my_mod; -+ -+static int -+grub_f2fs_test_bit_le (int nr, const grub_uint8_t *addr) -+{ -+ return addr[nr >> 3] & (1 << (nr & 7)); -+} -+ -+static char * -+get_inline_addr (struct grub_f2fs_inode *inode) -+{ -+ return (char *) &inode->i_addr[1]; -+} -+ -+static grub_uint64_t -+grub_f2fs_file_size (struct grub_f2fs_inode *inode) -+{ -+ return grub_le_to_cpu64 (inode->i_size); -+} -+ -+static grub_uint32_t -+start_cp_addr (struct grub_f2fs_data *data) -+{ -+ struct grub_f2fs_checkpoint *ckpt = &data->ckpt; -+ grub_uint32_t start_addr = data->cp_blkaddr; -+ -+ if (!(ckpt->checkpoint_ver & grub_cpu_to_le64_compile_time(1))) -+ return start_addr + data->blocks_per_seg; -+ -+ return start_addr; -+} -+ -+static grub_uint32_t -+start_sum_block (struct grub_f2fs_data *data) -+{ -+ struct grub_f2fs_checkpoint *ckpt = &data->ckpt; -+ -+ return start_cp_addr (data) + grub_le_to_cpu32 (ckpt->cp_pack_start_sum); -+} -+ -+static grub_uint32_t -+sum_blk_addr (struct grub_f2fs_data *data, int base, int type) -+{ -+ struct grub_f2fs_checkpoint *ckpt = &data->ckpt; -+ -+ return start_cp_addr (data) + -+ grub_le_to_cpu32 (ckpt->cp_pack_total_block_count) - -+ (base + 1) + type; -+} -+ -+static void * -+nat_bitmap_ptr (struct grub_f2fs_data *data) -+{ -+ struct grub_f2fs_checkpoint *ckpt = &data->ckpt; -+ grub_uint32_t offset; -+ -+ if (grub_le_to_cpu32 (data->sblock.cp_payload) > 0) -+ return ckpt->sit_nat_version_bitmap; -+ -+ offset = grub_le_to_cpu32 (ckpt->sit_ver_bitmap_bytesize); -+ -+ return ckpt->sit_nat_version_bitmap + offset; -+} -+ -+static grub_uint32_t -+get_node_id (struct grub_f2fs_node *rn, int off, int inode_block) -+{ -+ if (inode_block) -+ return grub_le_to_cpu32 (rn->i.i_nid[off - NODE_DIR1_BLOCK]); -+ -+ return grub_le_to_cpu32 (rn->in.nid[off]); -+} -+ -+static grub_err_t -+grub_f2fs_block_read (struct grub_f2fs_data *data, grub_uint32_t blkaddr, -+ void *buf) -+{ -+ return grub_disk_read (data->disk, -+ ((grub_disk_addr_t)blkaddr) << F2FS_BLK_SEC_BITS, -+ 0, F2FS_BLKSIZE, buf); -+} -+ -+/* CRC32 */ -+static grub_uint32_t -+grub_f2fs_cal_crc32 (const void *buf, const grub_uint32_t len) -+{ -+ grub_uint32_t crc = F2FS_SUPER_MAGIC; -+ unsigned char *p = (unsigned char *)buf; -+ grub_uint32_t tmp = len; -+ int i; -+ -+ while (tmp--) -+ { -+ crc ^= *p++; -+ for (i = 0; i < 8; i++) -+ crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0); -+ } -+ -+ return crc; -+} -+ -+static int -+grub_f2fs_crc_valid (grub_uint32_t blk_crc, void *buf, const grub_uint32_t len) -+{ -+ grub_uint32_t cal_crc = 0; -+ -+ cal_crc = grub_f2fs_cal_crc32 (buf, len); -+ -+ return (cal_crc == blk_crc) ? 1 : 0; -+} -+ -+static int -+grub_f2fs_test_bit (grub_uint32_t nr, const char *p) -+{ -+ int mask; -+ -+ p += (nr >> 3); -+ mask = 1 << (7 - (nr & 0x07)); -+ -+ return mask & *p; -+} -+ -+static int -+grub_f2fs_sanity_check_sb (struct grub_f2fs_superblock *sb) -+{ -+ grub_uint32_t log_sectorsize, log_sectors_per_block; -+ -+ if (sb->magic != grub_cpu_to_le32_compile_time (F2FS_SUPER_MAGIC)) -+ return -1; -+ -+ if (sb->log_blocksize != grub_cpu_to_le32_compile_time (F2FS_BLK_BITS)) -+ return -1; -+ -+ log_sectorsize = grub_le_to_cpu32 (sb->log_sectorsize); -+ log_sectors_per_block = grub_le_to_cpu32 (sb->log_sectors_per_block); -+ -+ if (log_sectorsize > F2FS_BLK_BITS) -+ return -1; -+ -+ if (log_sectorsize < F2FS_MIN_LOG_SECTOR_SIZE) -+ return -1; -+ -+ if (log_sectors_per_block + log_sectorsize != F2FS_BLK_BITS) -+ return -1; -+ -+ return 0; -+} -+ -+static int -+grub_f2fs_read_sb (struct grub_f2fs_data *data, grub_disk_addr_t offset) -+{ -+ grub_disk_t disk = data->disk; -+ grub_err_t err; -+ -+ /* Read first super block. */ -+ err = grub_disk_read (disk, offset, 0, sizeof (data->sblock), &data->sblock); -+ if (err) -+ return -1; -+ -+ return grub_f2fs_sanity_check_sb (&data->sblock); -+} -+ -+static void * -+validate_checkpoint (struct grub_f2fs_data *data, grub_uint32_t cp_addr, -+ grub_uint64_t *version) -+{ -+ grub_uint32_t *cp_page_1, *cp_page_2; -+ struct grub_f2fs_checkpoint *cp_block; -+ grub_uint64_t cur_version = 0, pre_version = 0; -+ grub_uint32_t crc = 0; -+ grub_uint32_t crc_offset; -+ grub_err_t err; -+ -+ /* Read the 1st cp block in this CP pack. */ -+ cp_page_1 = grub_malloc (F2FS_BLKSIZE); -+ if (!cp_page_1) -+ return NULL; -+ -+ err = grub_f2fs_block_read (data, cp_addr, cp_page_1); -+ if (err) -+ goto invalid_cp1; -+ -+ cp_block = (struct grub_f2fs_checkpoint *)cp_page_1; -+ crc_offset = grub_le_to_cpu32 (cp_block->checksum_offset); -+ if (crc_offset != CHECKSUM_OFFSET) -+ goto invalid_cp1; -+ -+ crc = grub_le_to_cpu32 (*(cp_page_1 + U32_CHECKSUM_OFFSET)); -+ if (!grub_f2fs_crc_valid (crc, cp_block, crc_offset)) -+ goto invalid_cp1; -+ -+ pre_version = grub_le_to_cpu64 (cp_block->checkpoint_ver); -+ -+ /* Read the 2nd cp block in this CP pack. */ -+ cp_page_2 = grub_malloc (F2FS_BLKSIZE); -+ if (!cp_page_2) -+ goto invalid_cp1; -+ -+ cp_addr += grub_le_to_cpu32 (cp_block->cp_pack_total_block_count) - 1; -+ -+ err = grub_f2fs_block_read (data, cp_addr, cp_page_2); -+ if (err) -+ goto invalid_cp2; -+ -+ cp_block = (struct grub_f2fs_checkpoint *)cp_page_2; -+ crc_offset = grub_le_to_cpu32 (cp_block->checksum_offset); -+ if (crc_offset != CHECKSUM_OFFSET) -+ goto invalid_cp2; -+ -+ crc = grub_le_to_cpu32 (*(cp_page_2 + U32_CHECKSUM_OFFSET)); -+ if (!grub_f2fs_crc_valid (crc, cp_block, crc_offset)) -+ goto invalid_cp2; -+ -+ cur_version = grub_le_to_cpu64 (cp_block->checkpoint_ver); -+ if (cur_version == pre_version) -+ { -+ *version = cur_version; -+ grub_free (cp_page_2); -+ -+ return cp_page_1; -+ } -+ -+ invalid_cp2: -+ grub_free (cp_page_2); -+ -+ invalid_cp1: -+ grub_free (cp_page_1); -+ -+ return NULL; -+} -+ -+static grub_err_t -+grub_f2fs_read_cp (struct grub_f2fs_data *data) -+{ -+ void *cp1, *cp2, *cur_page; -+ grub_uint64_t cp1_version = 0, cp2_version = 0; -+ grub_uint64_t cp_start_blk_no; -+ -+ /* -+ * Finding out valid cp block involves read both -+ * sets (cp pack1 and cp pack 2). -+ */ -+ cp_start_blk_no = data->cp_blkaddr; -+ cp1 = validate_checkpoint (data, cp_start_blk_no, &cp1_version); -+ if (!cp1 && grub_errno) -+ return grub_errno; -+ -+ /* The second checkpoint pack should start at the next segment. */ -+ cp_start_blk_no += data->blocks_per_seg; -+ cp2 = validate_checkpoint (data, cp_start_blk_no, &cp2_version); -+ if (!cp2 && grub_errno) -+ { -+ grub_free (cp1); -+ return grub_errno; -+ } -+ -+ if (cp1 && cp2) -+ cur_page = (cp2_version > cp1_version) ? cp2 : cp1; -+ else if (cp1) -+ cur_page = cp1; -+ else if (cp2) -+ cur_page = cp2; -+ else -+ return grub_error (GRUB_ERR_BAD_FS, "no checkpoints"); -+ -+ grub_memcpy (&data->ckpt, cur_page, F2FS_BLKSIZE); -+ -+ grub_free (cp1); -+ grub_free (cp2); -+ -+ return 0; -+} -+ -+static grub_err_t -+get_nat_journal (struct grub_f2fs_data *data) -+{ -+ grub_uint32_t block; -+ char *buf; -+ grub_err_t err; -+ -+ buf = grub_malloc (F2FS_BLKSIZE); -+ if (!buf) -+ return grub_errno; -+ -+ if (CKPT_FLAG_SET(&data->ckpt, CP_COMPACT_SUM_FLAG)) -+ block = start_sum_block (data); -+ else if (CKPT_FLAG_SET (&data->ckpt, CP_UMOUNT_FLAG)) -+ block = sum_blk_addr (data, NR_CURSEG_TYPE, CURSEG_HOT_DATA); -+ else -+ block = sum_blk_addr (data, NR_CURSEG_DATA_TYPE, CURSEG_HOT_DATA); -+ -+ err = grub_f2fs_block_read (data, block, buf); -+ if (err) -+ goto fail; -+ -+ if (CKPT_FLAG_SET (&data->ckpt, CP_COMPACT_SUM_FLAG)) -+ grub_memcpy (&data->nat_j, buf, SUM_JOURNAL_SIZE); -+ else -+ grub_memcpy (&data->nat_j, buf + SUM_ENTRIES_SIZE, SUM_JOURNAL_SIZE); -+ -+ fail: -+ grub_free (buf); -+ -+ return err; -+} -+ -+static grub_uint32_t -+get_blkaddr_from_nat_journal (struct grub_f2fs_data *data, grub_uint32_t nid) -+{ -+ grub_uint16_t n = grub_le_to_cpu16 (data->nat_j.n_nats); -+ grub_uint32_t blkaddr = 0; -+ grub_uint16_t i; -+ -+ for (i = 0; i < n; i++) -+ { -+ if (grub_le_to_cpu32 (data->nat_j.entries[i].nid) == nid) -+ { -+ blkaddr = grub_le_to_cpu32 (data->nat_j.entries[i].ne.block_addr); -+ break; -+ } -+ } -+ -+ return blkaddr; -+} -+ -+static grub_uint32_t -+get_node_blkaddr (struct grub_f2fs_data *data, grub_uint32_t nid) -+{ -+ struct grub_f2fs_nat_block *nat_block; -+ grub_uint32_t seg_off, block_off, entry_off, block_addr; -+ grub_uint32_t blkaddr; -+ grub_err_t err; -+ -+ blkaddr = get_blkaddr_from_nat_journal (data, nid); -+ if (blkaddr) -+ return blkaddr; -+ -+ nat_block = grub_malloc (F2FS_BLKSIZE); -+ if (!nat_block) -+ return 0; -+ -+ block_off = nid / NAT_ENTRY_PER_BLOCK; -+ entry_off = nid % NAT_ENTRY_PER_BLOCK; -+ -+ seg_off = block_off / data->blocks_per_seg; -+ block_addr = data->nat_blkaddr + -+ ((seg_off * data->blocks_per_seg) << 1) + -+ (block_off & (data->blocks_per_seg - 1)); -+ -+ if (grub_f2fs_test_bit (block_off, data->nat_bitmap)) -+ block_addr += data->blocks_per_seg; -+ -+ err = grub_f2fs_block_read (data, block_addr, nat_block); -+ if (err) -+ { -+ grub_free (nat_block); -+ return 0; -+ } -+ -+ blkaddr = grub_le_to_cpu32 (nat_block->ne[entry_off].block_addr); -+ -+ grub_free (nat_block); -+ -+ return blkaddr; -+} -+ -+static int -+grub_get_node_path (struct grub_f2fs_inode *inode, grub_uint32_t block, -+ grub_uint32_t offset[4], grub_uint32_t noffset[4]) -+{ -+ grub_uint32_t direct_blks = ADDRS_PER_BLOCK; -+ grub_uint32_t dptrs_per_blk = NIDS_PER_BLOCK; -+ grub_uint32_t indirect_blks = ADDRS_PER_BLOCK * NIDS_PER_BLOCK; -+ grub_uint32_t dindirect_blks = indirect_blks * NIDS_PER_BLOCK; -+ grub_uint32_t direct_index = DEF_ADDRS_PER_INODE; -+ int n = 0; -+ int level = 0; -+ -+ if (inode->i_inline & F2FS_INLINE_XATTR) -+ direct_index -= F2FS_INLINE_XATTR_ADDRS; -+ -+ noffset[0] = 0; -+ -+ if (block < direct_index) -+ { -+ offset[n] = block; -+ goto got; -+ } -+ -+ block -= direct_index; -+ if (block < direct_blks) -+ { -+ offset[n++] = NODE_DIR1_BLOCK; -+ noffset[n] = 1; -+ offset[n] = block; -+ level = 1; -+ goto got; -+ } -+ -+ block -= direct_blks; -+ if (block < direct_blks) -+ { -+ offset[n++] = NODE_DIR2_BLOCK; -+ noffset[n] = 2; -+ offset[n] = block; -+ level = 1; -+ goto got; -+ } -+ -+ block -= direct_blks; -+ if (block < indirect_blks) -+ { -+ offset[n++] = NODE_IND1_BLOCK; -+ noffset[n] = 3; -+ offset[n++] = block / direct_blks; -+ noffset[n] = 4 + offset[n - 1]; -+ offset[n] = block % direct_blks; -+ level = 2; -+ goto got; -+ } -+ -+ block -= indirect_blks; -+ if (block < indirect_blks) -+ { -+ offset[n++] = NODE_IND2_BLOCK; -+ noffset[n] = 4 + dptrs_per_blk; -+ offset[n++] = block / direct_blks; -+ noffset[n] = 5 + dptrs_per_blk + offset[n - 1]; -+ offset[n] = block % direct_blks; -+ level = 2; -+ goto got; -+ } -+ -+ block -= indirect_blks; -+ if (block < dindirect_blks) -+ { -+ offset[n++] = NODE_DIND_BLOCK; -+ noffset[n] = 5 + (dptrs_per_blk * 2); -+ offset[n++] = block / indirect_blks; -+ noffset[n] = 6 + (dptrs_per_blk * 2) + -+ offset[n - 1] * (dptrs_per_blk + 1); -+ offset[n++] = (block / direct_blks) % dptrs_per_blk; -+ noffset[n] = 7 + (dptrs_per_blk * 2) + -+ offset[n - 2] * (dptrs_per_blk + 1) + offset[n - 1]; -+ offset[n] = block % direct_blks; -+ level = 3; -+ goto got; -+ } -+ -+ got: -+ return level; -+} -+ -+static grub_err_t -+grub_f2fs_read_node (struct grub_f2fs_data *data, -+ grub_uint32_t nid, struct grub_f2fs_node *np) -+{ -+ grub_uint32_t blkaddr; -+ -+ blkaddr = get_node_blkaddr (data, nid); -+ if (!blkaddr) -+ return grub_errno; -+ -+ return grub_f2fs_block_read (data, blkaddr, np); -+} -+ -+static struct grub_f2fs_data * -+grub_f2fs_mount (grub_disk_t disk) -+{ -+ struct grub_f2fs_data *data; -+ grub_err_t err; -+ -+ data = grub_malloc (sizeof (*data)); -+ if (!data) -+ return NULL; -+ -+ data->disk = disk; -+ -+ if (grub_f2fs_read_sb (data, F2FS_SUPER_OFFSET0)) -+ { -+ if (grub_f2fs_read_sb (data, F2FS_SUPER_OFFSET1)) -+ { -+ if (grub_errno == GRUB_ERR_NONE) -+ grub_error (GRUB_ERR_BAD_FS, -+ "not a F2FS filesystem (no superblock)"); -+ goto fail; -+ } -+ } -+ -+ data->root_ino = grub_le_to_cpu32 (data->sblock.root_ino); -+ data->cp_blkaddr = grub_le_to_cpu32 (data->sblock.cp_blkaddr); -+ data->nat_blkaddr = grub_le_to_cpu32 (data->sblock.nat_blkaddr); -+ data->blocks_per_seg = 1 << -+ grub_le_to_cpu32 (data->sblock.log_blocks_per_seg); -+ -+ err = grub_f2fs_read_cp (data); -+ if (err) -+ goto fail; -+ -+ data->nat_bitmap = nat_bitmap_ptr (data); -+ -+ err = get_nat_journal (data); -+ if (err) -+ goto fail; -+ -+ data->diropen.data = data; -+ data->diropen.ino = data->root_ino; -+ data->diropen.inode_read = 1; -+ data->inode = &data->diropen.inode; -+ -+ err = grub_f2fs_read_node (data, data->root_ino, data->inode); -+ if (err) -+ goto fail; -+ -+ return data; -+ -+ fail: -+ grub_free (data); -+ -+ return NULL; -+} -+ -+/* Guarantee inline_data was handled by caller. */ -+static grub_disk_addr_t -+grub_f2fs_get_block (grub_fshelp_node_t node, grub_disk_addr_t block_ofs) -+{ -+ struct grub_f2fs_data *data = node->data; -+ struct grub_f2fs_inode *inode = &node->inode.i; -+ grub_uint32_t offset[4], noffset[4], nids[4]; -+ struct grub_f2fs_node *node_block; -+ grub_uint32_t block_addr = -1; -+ int level, i; -+ -+ level = grub_get_node_path (inode, block_ofs, offset, noffset); -+ if (level == 0) -+ return grub_le_to_cpu32 (inode->i_addr[offset[0]]); -+ -+ node_block = grub_malloc (F2FS_BLKSIZE); -+ if (!node_block) -+ return -1; -+ -+ nids[1] = get_node_id (&node->inode, offset[0], 1); -+ -+ /* Get indirect or direct nodes. */ -+ for (i = 1; i <= level; i++) -+ { -+ grub_f2fs_read_node (data, nids[i], node_block); -+ if (grub_errno) -+ goto fail; -+ -+ if (i < level) -+ nids[i + 1] = get_node_id (node_block, offset[i], 0); -+ } -+ -+ block_addr = grub_le_to_cpu32 (node_block->dn.addr[offset[level]]); -+ -+ fail: -+ grub_free (node_block); -+ -+ return block_addr; -+} -+ -+static grub_ssize_t -+grub_f2fs_read_file (grub_fshelp_node_t node, -+ grub_disk_read_hook_t read_hook, void *read_hook_data, -+ grub_off_t pos, grub_size_t len, char *buf) -+{ -+ struct grub_f2fs_inode *inode = &node->inode.i; -+ grub_off_t filesize = grub_f2fs_file_size (inode); -+ char *inline_addr = get_inline_addr (inode); -+ -+ if (inode->i_inline & F2FS_INLINE_DATA) -+ { -+ if (filesize > MAX_INLINE_DATA) -+ return -1; -+ -+ if (len > filesize - pos) -+ len = filesize - pos; -+ -+ grub_memcpy (buf, inline_addr + pos, len); -+ return len; -+ } -+ -+ return grub_fshelp_read_file (node->data->disk, node, -+ read_hook, read_hook_data, -+ pos, len, buf, grub_f2fs_get_block, -+ filesize, -+ F2FS_BLK_SEC_BITS, 0); -+} -+ -+static char * -+grub_f2fs_read_symlink (grub_fshelp_node_t node) -+{ -+ char *symlink; -+ struct grub_fshelp_node *diro = node; -+ grub_uint64_t filesize; -+ -+ if (!diro->inode_read) -+ { -+ grub_f2fs_read_node (diro->data, diro->ino, &diro->inode); -+ if (grub_errno) -+ return 0; -+ } -+ -+ filesize = grub_f2fs_file_size(&diro->inode.i); -+ -+ symlink = grub_malloc (filesize + 1); -+ if (!symlink) -+ return 0; -+ -+ grub_f2fs_read_file (diro, 0, 0, 0, filesize, symlink); -+ if (grub_errno) -+ { -+ grub_free (symlink); -+ return 0; -+ } -+ -+ symlink[filesize] = '\0'; -+ -+ return symlink; -+} -+ -+static int -+grub_f2fs_check_dentries (struct grub_f2fs_dir_iter_ctx *ctx) -+{ -+ struct grub_fshelp_node *fdiro; -+ int i; -+ -+ for (i = 0; i < ctx->max;) -+ { -+ char *filename; -+ enum grub_fshelp_filetype type = GRUB_FSHELP_UNKNOWN; -+ enum FILE_TYPE ftype; -+ int name_len; -+ int ret; -+ -+ if (grub_f2fs_test_bit_le (i, ctx->bitmap) == 0) -+ { -+ i++; -+ continue; -+ } -+ -+ ftype = ctx->dentry[i].file_type; -+ name_len = grub_le_to_cpu16 (ctx->dentry[i].name_len); -+ filename = grub_malloc (name_len + 1); -+ if (!filename) -+ return 0; -+ -+ grub_memcpy (filename, ctx->filename[i], name_len); -+ filename[name_len] = 0; -+ -+ fdiro = grub_malloc (sizeof (struct grub_fshelp_node)); -+ if (!fdiro) -+ { -+ grub_free(filename); -+ return 0; -+ } -+ -+ if (ftype == F2FS_FT_DIR) -+ type = GRUB_FSHELP_DIR; -+ else if (ftype == F2FS_FT_SYMLINK) -+ type = GRUB_FSHELP_SYMLINK; -+ else if (ftype == F2FS_FT_REG_FILE) -+ type = GRUB_FSHELP_REG; -+ -+ fdiro->data = ctx->data; -+ fdiro->ino = grub_le_to_cpu32 (ctx->dentry[i].ino); -+ fdiro->inode_read = 0; -+ -+ ret = ctx->hook (filename, type, fdiro, ctx->hook_data); -+ grub_free(filename); -+ if (ret) -+ return 1; -+ -+ i += (name_len + F2FS_SLOT_LEN - 1) / F2FS_SLOT_LEN; -+ } -+ -+ return 0; -+} -+ -+static int -+grub_f2fs_iterate_inline_dir (struct grub_f2fs_inode *dir, -+ struct grub_f2fs_dir_iter_ctx *ctx) -+{ -+ struct grub_f2fs_inline_dentry *de_blk; -+ -+ de_blk = (struct grub_f2fs_inline_dentry *) get_inline_addr (dir); -+ -+ ctx->bitmap = de_blk->dentry_bitmap; -+ ctx->dentry = de_blk->dentry; -+ ctx->filename = de_blk->filename; -+ ctx->max = NR_INLINE_DENTRY; -+ -+ return grub_f2fs_check_dentries (ctx); -+} -+ -+static int -+grub_f2fs_iterate_dir (grub_fshelp_node_t dir, -+ grub_fshelp_iterate_dir_hook_t hook, void *hook_data) -+{ -+ struct grub_fshelp_node *diro = (struct grub_fshelp_node *) dir; -+ struct grub_f2fs_inode *inode; -+ struct grub_f2fs_dir_iter_ctx ctx = { -+ .data = diro->data, -+ .hook = hook, -+ .hook_data = hook_data -+ }; -+ grub_off_t fpos = 0; -+ -+ if (!diro->inode_read) -+ { -+ grub_f2fs_read_node (diro->data, diro->ino, &diro->inode); -+ if (grub_errno) -+ return 0; -+ } -+ -+ inode = &diro->inode.i; -+ -+ if (inode->i_inline & F2FS_INLINE_DENTRY) -+ return grub_f2fs_iterate_inline_dir (inode, &ctx); -+ -+ while (fpos < grub_f2fs_file_size (inode)) -+ { -+ struct grub_f2fs_dentry_block *de_blk; -+ char *buf; -+ int ret; -+ -+ buf = grub_zalloc (F2FS_BLKSIZE); -+ if (!buf) -+ return 0; -+ -+ grub_f2fs_read_file (diro, 0, 0, fpos, F2FS_BLKSIZE, buf); -+ if (grub_errno) -+ { -+ grub_free (buf); -+ return 0; -+ } -+ -+ de_blk = (struct grub_f2fs_dentry_block *) buf; -+ -+ ctx.bitmap = de_blk->dentry_bitmap; -+ ctx.dentry = de_blk->dentry; -+ ctx.filename = de_blk->filename; -+ ctx.max = NR_DENTRY_IN_BLOCK; -+ -+ ret = grub_f2fs_check_dentries (&ctx); -+ grub_free (buf); -+ if (ret) -+ return 1; -+ -+ fpos += F2FS_BLKSIZE; -+ } -+ -+ return 0; -+} -+ -+static int -+grub_f2fs_dir_iter (const char *filename, enum grub_fshelp_filetype filetype, -+ grub_fshelp_node_t node, void *data) -+{ -+ struct grub_f2fs_dir_ctx *ctx = data; -+ struct grub_dirhook_info info; -+ -+ grub_memset (&info, 0, sizeof (info)); -+ if (!node->inode_read) -+ { -+ grub_f2fs_read_node (ctx->data, node->ino, &node->inode); -+ if (!grub_errno) -+ node->inode_read = 1; -+ grub_errno = GRUB_ERR_NONE; -+ } -+ if (node->inode_read) -+ { -+ info.mtimeset = 1; -+ info.mtime = grub_le_to_cpu64 (node->inode.i.i_mtime); -+ } -+ -+ info.dir = ((filetype & GRUB_FSHELP_TYPE_MASK) == GRUB_FSHELP_DIR); -+ grub_free (node); -+ -+ return ctx->hook (filename, &info, ctx->hook_data); -+} -+ -+static grub_err_t -+grub_f2fs_dir (grub_device_t device, const char *path, -+ grub_fs_dir_hook_t hook, void *hook_data) -+{ -+ struct grub_f2fs_dir_ctx ctx = { -+ .hook = hook, -+ .hook_data = hook_data -+ }; -+ struct grub_fshelp_node *fdiro = 0; -+ -+ grub_dl_ref (my_mod); -+ -+ ctx.data = grub_f2fs_mount (device->disk); -+ if (!ctx.data) -+ goto fail; -+ -+ grub_fshelp_find_file (path, &ctx.data->diropen, &fdiro, -+ grub_f2fs_iterate_dir, grub_f2fs_read_symlink, -+ GRUB_FSHELP_DIR); -+ if (grub_errno) -+ goto fail; -+ -+ grub_f2fs_iterate_dir (fdiro, grub_f2fs_dir_iter, &ctx); -+ -+ fail: -+ if (fdiro != &ctx.data->diropen) -+ grub_free (fdiro); -+ grub_free (ctx.data); -+ grub_dl_unref (my_mod); -+ -+ return grub_errno; -+} -+ -+/* Open a file named NAME and initialize FILE. */ -+static grub_err_t -+grub_f2fs_open (struct grub_file *file, const char *name) -+{ -+ struct grub_f2fs_data *data = NULL; -+ struct grub_fshelp_node *fdiro = 0; -+ struct grub_f2fs_inode *inode; -+ -+ grub_dl_ref (my_mod); -+ -+ data = grub_f2fs_mount (file->device->disk); -+ if (!data) -+ goto fail; -+ -+ grub_fshelp_find_file (name, &data->diropen, &fdiro, -+ grub_f2fs_iterate_dir, grub_f2fs_read_symlink, -+ GRUB_FSHELP_REG); -+ if (grub_errno) -+ goto fail; -+ -+ if (!fdiro->inode_read) -+ { -+ grub_f2fs_read_node (data, fdiro->ino, &fdiro->inode); -+ if (grub_errno) -+ goto fail; -+ } -+ -+ grub_memcpy (data->inode, &fdiro->inode, sizeof (*data->inode)); -+ grub_free (fdiro); -+ -+ inode = &(data->inode->i); -+ file->size = grub_f2fs_file_size (inode); -+ file->data = data; -+ file->offset = 0; -+ -+ if (inode->i_inline & F2FS_INLINE_DATA && file->size > MAX_INLINE_DATA) -+ grub_error (GRUB_ERR_BAD_FS, "corrupted inline_data: need fsck"); -+ -+ return 0; -+ -+ fail: -+ if (fdiro != &data->diropen) -+ grub_free (fdiro); -+ grub_free (data); -+ -+ grub_dl_unref (my_mod); -+ -+ return grub_errno; -+} -+ -+static grub_ssize_t -+grub_f2fs_read (grub_file_t file, char *buf, grub_size_t len) -+{ -+ struct grub_f2fs_data *data = (struct grub_f2fs_data *) file->data; -+ -+ return grub_f2fs_read_file (&data->diropen, -+ file->read_hook, file->read_hook_data, -+ file->offset, len, buf); -+} -+ -+static grub_err_t -+grub_f2fs_close (grub_file_t file) -+{ -+ struct grub_f2fs_data *data = (struct grub_f2fs_data *) file->data; -+ -+ grub_free (data); -+ -+ grub_dl_unref (my_mod); -+ -+ return GRUB_ERR_NONE; -+} -+ -+static grub_uint8_t * -+grub_f2fs_utf16_to_utf8 (grub_uint16_t *in_buf_le) -+{ -+ grub_uint16_t in_buf[MAX_VOLUME_NAME]; -+ grub_uint8_t *out_buf; -+ int len = 0; -+ -+ out_buf = grub_malloc (MAX_VOLUME_NAME * GRUB_MAX_UTF8_PER_UTF16 + 1); -+ if (!out_buf) -+ return NULL; -+ -+ while (*in_buf_le != 0 && len < MAX_VOLUME_NAME) { -+ in_buf[len] = grub_le_to_cpu16 (in_buf_le[len]); -+ len++; -+ } -+ -+ *grub_utf16_to_utf8 (out_buf, in_buf, len) = '\0'; -+ -+ return out_buf; -+} -+ -+static grub_err_t -+grub_f2fs_label (grub_device_t device, char **label) -+{ -+ struct grub_f2fs_data *data; -+ grub_disk_t disk = device->disk; -+ -+ grub_dl_ref (my_mod); -+ -+ data = grub_f2fs_mount (disk); -+ if (data) -+ *label = (char *) grub_f2fs_utf16_to_utf8 (data->sblock.volume_name); -+ else -+ *label = NULL; -+ -+ grub_free (data); -+ grub_dl_unref (my_mod); -+ -+ return grub_errno; -+} -+ -+static grub_err_t -+grub_f2fs_uuid (grub_device_t device, char **uuid) -+{ -+ struct grub_f2fs_data *data; -+ grub_disk_t disk = device->disk; -+ -+ grub_dl_ref (my_mod); -+ -+ data = grub_f2fs_mount (disk); -+ if (data) -+ { -+ *uuid = -+ grub_xasprintf -+ ("%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", -+ data->sblock.uuid[0], data->sblock.uuid[1], -+ data->sblock.uuid[2], data->sblock.uuid[3], -+ data->sblock.uuid[4], data->sblock.uuid[5], -+ data->sblock.uuid[6], data->sblock.uuid[7], -+ data->sblock.uuid[8], data->sblock.uuid[9], -+ data->sblock.uuid[10], data->sblock.uuid[11], -+ data->sblock.uuid[12], data->sblock.uuid[13], -+ data->sblock.uuid[14], data->sblock.uuid[15]); -+ } -+ else -+ *uuid = NULL; -+ -+ grub_free (data); -+ grub_dl_unref (my_mod); -+ -+ return grub_errno; -+} -+ -+static struct grub_fs grub_f2fs_fs = { -+ .name = "f2fs", -+ .dir = grub_f2fs_dir, -+ .open = grub_f2fs_open, -+ .read = grub_f2fs_read, -+ .close = grub_f2fs_close, -+ .label = grub_f2fs_label, -+ .uuid = grub_f2fs_uuid, -+#ifdef GRUB_UTIL -+ .reserved_first_sector = 1, -+ .blocklist_install = 0, -+#endif -+ .next = 0 -+}; -+ -+GRUB_MOD_INIT (f2fs) -+{ -+ grub_fs_register (&grub_f2fs_fs); -+ my_mod = mod; -+} -+ -+GRUB_MOD_FINI (f2fs) -+{ -+ grub_fs_unregister (&grub_f2fs_fs); -+} -diff --git a/po/exclude.pot b/po/exclude.pot -index 0a9b215..816089c 100644 ---- a/po/exclude.pot -+++ b/po/exclude.pot -@@ -1214,6 +1214,7 @@ msgstr "" - - #: grub-core/commands/xnu_uuid.c:75 grub-core/fs/jfs.c:924 - #: grub-core/fs/nilfs2.c:1135 -+#: grub-core/fs/f2fs.c:1259 - #, c-format - msgid "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" - msgstr "" -diff --git a/tests/f2fs_test.in b/tests/f2fs_test.in -new file mode 100644 -index 0000000..1ea77c8 ---- /dev/null -+++ b/tests/f2fs_test.in -@@ -0,0 +1,19 @@ -+#!/bin/sh -+ -+set -e -+ -+if [ "x$EUID" = "x" ] ; then -+ EUID=`id -u` -+fi -+ -+if [ "$EUID" != 0 ] ; then -+ exit 77 -+fi -+ -+if ! which mkfs.f2fs >/dev/null 2>&1; then -+ echo "mkfs.f2fs not installed; cannot test f2fs." -+ exit 77 -+fi -+ -+ -+"@builddir@/grub-fs-tester" f2fs -diff --git a/tests/util/grub-fs-tester.in b/tests/util/grub-fs-tester.in -index 15969d7..26bd57a 100644 ---- a/tests/util/grub-fs-tester.in -+++ b/tests/util/grub-fs-tester.in -@@ -172,7 +172,7 @@ for LOGSECSIZE in $(range "$MINLOGSECSIZE" "$MAXLOGSECSIZE" 1); do - xsquash*) - MINBLKSIZE=4096 - MAXBLKSIZE=1048576;; -- xxfs) -+ xxfs|xf2fs) - MINBLKSIZE=$SECSIZE - # OS Limitation: GNU/Linux doesn't accept > 4096 - MAXBLKSIZE=4096;; -@@ -299,6 +299,10 @@ for LOGSECSIZE in $(range "$MINLOGSECSIZE" "$MAXLOGSECSIZE" 1); do - x"btrfs"*) - FSLABEL="grub_;/testé莭莽😁киритi urewfceniuewruevrewnuuireurevueurnievrewfnerfcnevirivinrewvnirewnivrewiuvcrewvnuewvrrrewniuerwreiuviurewiuviurewnuvewnvrenurnunuvrevuurerejiremvreijnvcreivire nverivnreivrevnureiorfnfrvoeoiroireoireoifrefoieroifoireoi";; - -+ # FS LIMITATION: f2fs label is at most 512 UTF-16 chars -+ x"f2fs") -+ FSLABEL="grub_;/testé䏌䐓䏕киритiurewfceniuewruewnuuireurevueurnievrewfnerfcnevirivinrewvnirewnivrewiuvcrewvnuewvrrrewniuerwreiuviurewiuviurewnuvewnvrenurnunuvrevuurerejiremvreijnvvcreivire nverivnreivrevnureiorfnfrvoeoiroireoireoifrefoieroifoirvcreivire nverivnreivrevnureiorfnfrvoeoiroireoireoifrefoieroifoircreivire nverivnreivrevnureiorfnfrvoeoiroireoireoifrefoieroifoireoifoiq";; -+ - # FS LIMITATION: exfat is at most 15 UTF-16 chars - x"exfat") - FSLABEL="géт ;/莭莽😁кир";; -@@ -508,7 +512,7 @@ for LOGSECSIZE in $(range "$MINLOGSECSIZE" "$MAXLOGSECSIZE" 1); do - # FIXME: Not sure about BtrFS, NTFS, JFS, AFS, UDF and SFS. Check it. - # FS LIMITATION: as far as I know those FS don't store their last modification date. - x"jfs_caseins" | x"jfs" | x"xfs" | x"xfs_crc" | x"btrfs"* | x"reiserfs_old" | x"reiserfs" \ -- | x"bfs" | x"afs" \ -+ | x"bfs" | x"afs" | x"f2fs" \ - | x"tarfs" | x"cpio_"* | x"minix" | x"minix2" \ - | x"minix3" | x"ntfs"* | x"udf" | x"sfs"*) - NOFSTIME=y;; -@@ -792,6 +796,8 @@ for LOGSECSIZE in $(range "$MINLOGSECSIZE" "$MAXLOGSECSIZE" 1); do - MOUNTDEVICE="/dev/mapper/grub_test-testvol" - MOUNTFS=ext2 - "mkfs.ext2" -L "$FSLABEL" -q "${MOUNTDEVICE}" ;; -+ xf2fs) -+ "mkfs.f2fs" -l "$FSLABEL" -q "${LODEVICES[0]}" ;; - xnilfs2) - "mkfs.nilfs2" -L "$FSLABEL" -b $BLKSIZE -q "${MOUNTDEVICE}" ;; - xext2_old) --- -cgit v1.0-41-gc330 - - |