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Fix build problem from kernel-headers' removeal of ext2_fs.h

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(fix backported from as-yet-unreleased upstream version.)
This commit is contained in:
Peter Jones 2012-08-06 09:55:56 -04:00
parent 2d06db01bb
commit 19f2ffff41
2 changed files with 972 additions and 1 deletions
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965
syslinux-4.05-avoid-ext2_fs.h.patch Normal file
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@ -0,0 +1,965 @@
From a1006762fa6f98750bb77d76dd992cb8ea9f9c99 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Mon, 26 Mar 2012 22:51:09 -0700
Subject: [PATCH] libinstaller: Avoid using <linux/ext2_fs.h>
Don't use <linux/ext2_fs.h> if we can avoid it.
The ioctl constants have been globalized and moved to <linux/fs.h>.
Use a private copy of ext2_fs.h from e2fsprogs with the ioctl
constants removed for the data structures.
Do at least attempt backward compatibility for old kernel headers, but
no real hope of proper operation there...
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
libinstaller/ext2fs/ext2_fs.h | 856 ++++++++++++++++++++++++++++++++++++++++++
libinstaller/linuxioctl.h | 29 +-
libinstaller/syslxcom.c | 12 +-
3 files changed, 886 insertions(+), 11 deletions(-)
create mode 100644 libinstaller/ext2fs/ext2_fs.h
diff -urpN syslinux-4.05/libinstaller/ext2fs/ext2_fs.h.ext2 syslinux-4.05/libinstaller/ext2fs/ext2_fs.h
--- syslinux-4.05/libinstaller/ext2fs/ext2_fs.h.ext2 2012-08-06 09:48:43.797645032 -0400
+++ syslinux-4.05/libinstaller/ext2fs/ext2_fs.h 2012-08-06 09:48:43.797645032 -0400
@@ -0,0 +1,856 @@
+/*
+ * linux/include/linux/ext2_fs.h
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995
+ * Remy Card (card@masi.ibp.fr)
+ * Laboratoire MASI - Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * from
+ *
+ * linux/include/linux/minix_fs.h
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ */
+
+#ifndef _EXT2FS_EXT2_FS_H
+#define _EXT2FS_EXT2_FS_H
+
+#include <linux/types.h>
+
+/*
+ * The second extended filesystem constants/structures
+ */
+
+/*
+ * Define EXT2FS_DEBUG to produce debug messages
+ */
+#undef EXT2FS_DEBUG
+
+/*
+ * Define EXT2_PREALLOCATE to preallocate data blocks for expanding files
+ */
+#define EXT2_PREALLOCATE
+#define EXT2_DEFAULT_PREALLOC_BLOCKS 8
+
+/*
+ * The second extended file system version
+ */
+#define EXT2FS_DATE "95/08/09"
+#define EXT2FS_VERSION "0.5b"
+
+/*
+ * Special inode numbers
+ */
+#define EXT2_BAD_INO 1 /* Bad blocks inode */
+#define EXT2_ROOT_INO 2 /* Root inode */
+#define EXT4_USR_QUOTA_INO 3 /* User quota inode */
+#define EXT4_GRP_QUOTA_INO 4 /* Group quota inode */
+#define EXT2_BOOT_LOADER_INO 5 /* Boot loader inode */
+#define EXT2_UNDEL_DIR_INO 6 /* Undelete directory inode */
+#define EXT2_RESIZE_INO 7 /* Reserved group descriptors inode */
+#define EXT2_JOURNAL_INO 8 /* Journal inode */
+#define EXT2_EXCLUDE_INO 9 /* The "exclude" inode, for snapshots */
+#define EXT4_REPLICA_INO 10 /* Used by non-upstream feature */
+
+/* First non-reserved inode for old ext2 filesystems */
+#define EXT2_GOOD_OLD_FIRST_INO 11
+
+/*
+ * The second extended file system magic number
+ */
+#define EXT2_SUPER_MAGIC 0xEF53
+
+#ifdef __KERNEL__
+#define EXT2_SB(sb) (&((sb)->u.ext2_sb))
+#else
+/* Assume that user mode programs are passing in an ext2fs superblock, not
+ * a kernel struct super_block. This will allow us to call the feature-test
+ * macros from user land. */
+#define EXT2_SB(sb) (sb)
+#endif
+
+/*
+ * Maximal count of links to a file
+ */
+#define EXT2_LINK_MAX 65000
+
+/*
+ * Macro-instructions used to manage several block sizes
+ */
+#define EXT2_MIN_BLOCK_LOG_SIZE 10 /* 1024 */
+#define EXT2_MAX_BLOCK_LOG_SIZE 16 /* 65536 */
+#define EXT2_MIN_BLOCK_SIZE (1 << EXT2_MIN_BLOCK_LOG_SIZE)
+#define EXT2_MAX_BLOCK_SIZE (1 << EXT2_MAX_BLOCK_LOG_SIZE)
+#ifdef __KERNEL__
+#define EXT2_BLOCK_SIZE(s) ((s)->s_blocksize)
+#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits)
+#define EXT2_ADDR_PER_BLOCK_BITS(s) (EXT2_SB(s)->addr_per_block_bits)
+#define EXT2_INODE_SIZE(s) (EXT2_SB(s)->s_inode_size)
+#define EXT2_FIRST_INO(s) (EXT2_SB(s)->s_first_ino)
+#else
+#define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size)
+#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)
+#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \
+ EXT2_GOOD_OLD_INODE_SIZE : (s)->s_inode_size)
+#define EXT2_FIRST_INO(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \
+ EXT2_GOOD_OLD_FIRST_INO : (s)->s_first_ino)
+#endif
+#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof(__u32))
+
+/*
+ * Macro-instructions used to manage allocation clusters
+ */
+#define EXT2_MIN_CLUSTER_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE
+#define EXT2_MAX_CLUSTER_LOG_SIZE 29 /* 512MB */
+#define EXT2_MIN_CLUSTER_SIZE EXT2_MIN_BLOCK_SIZE
+#define EXT2_MAX_CLUSTER_SIZE (1 << EXT2_MAX_CLUSTER_LOG_SIZE)
+#define EXT2_CLUSTER_SIZE(s) (EXT2_MIN_BLOCK_SIZE << \
+ (s)->s_log_cluster_size)
+#define EXT2_CLUSTER_SIZE_BITS(s) ((s)->s_log_cluster_size + 10)
+
+/*
+ * Macro-instructions used to manage fragments
+ *
+ * Note: for backwards compatibility only, for the dump program.
+ * Ext2/3/4 will never support fragments....
+ */
+#define EXT2_MIN_FRAG_SIZE EXT2_MIN_BLOCK_SIZE
+#define EXT2_MAX_FRAG_SIZE EXT2_MAX_BLOCK_SIZE
+#define EXT2_MIN_FRAG_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE
+#define EXT2_FRAG_SIZE(s) EXT2_BLOCK_SIZE(s)
+#define EXT2_FRAGS_PER_BLOCK(s) 1
+
+/*
+ * ACL structures
+ */
+struct ext2_acl_header /* Header of Access Control Lists */
+{
+ __u32 aclh_size;
+ __u32 aclh_file_count;
+ __u32 aclh_acle_count;
+ __u32 aclh_first_acle;
+};
+
+struct ext2_acl_entry /* Access Control List Entry */
+{
+ __u32 acle_size;
+ __u16 acle_perms; /* Access permissions */
+ __u16 acle_type; /* Type of entry */
+ __u16 acle_tag; /* User or group identity */
+ __u16 acle_pad1;
+ __u32 acle_next; /* Pointer on next entry for the */
+ /* same inode or on next free entry */
+};
+
+/*
+ * Structure of a blocks group descriptor
+ */
+struct ext2_group_desc
+{
+ __u32 bg_block_bitmap; /* Blocks bitmap block */
+ __u32 bg_inode_bitmap; /* Inodes bitmap block */
+ __u32 bg_inode_table; /* Inodes table block */
+ __u16 bg_free_blocks_count; /* Free blocks count */
+ __u16 bg_free_inodes_count; /* Free inodes count */
+ __u16 bg_used_dirs_count; /* Directories count */
+ __u16 bg_flags;
+ __u32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */
+ __u16 bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */
+ __u16 bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */
+ __u16 bg_itable_unused; /* Unused inodes count */
+ __u16 bg_checksum; /* crc16(s_uuid+grouo_num+group_desc)*/
+};
+
+/*
+ * Structure of a blocks group descriptor
+ */
+struct ext4_group_desc
+{
+ __u32 bg_block_bitmap; /* Blocks bitmap block */
+ __u32 bg_inode_bitmap; /* Inodes bitmap block */
+ __u32 bg_inode_table; /* Inodes table block */
+ __u16 bg_free_blocks_count; /* Free blocks count */
+ __u16 bg_free_inodes_count; /* Free inodes count */
+ __u16 bg_used_dirs_count; /* Directories count */
+ __u16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */
+ __u32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */
+ __u16 bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */
+ __u16 bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */
+ __u16 bg_itable_unused; /* Unused inodes count */
+ __u16 bg_checksum; /* crc16(sb_uuid+group+desc) */
+ __u32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */
+ __u32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */
+ __u32 bg_inode_table_hi; /* Inodes table block MSB */
+ __u16 bg_free_blocks_count_hi;/* Free blocks count MSB */
+ __u16 bg_free_inodes_count_hi;/* Free inodes count MSB */
+ __u16 bg_used_dirs_count_hi; /* Directories count MSB */
+ __u16 bg_itable_unused_hi; /* Unused inodes count MSB */
+ __u32 bg_exclude_bitmap_hi; /* Exclude bitmap block MSB */
+ __u16 bg_block_bitmap_csum_hi;/* crc32c(s_uuid+grp_num+bitmap) MSB */
+ __u16 bg_inode_bitmap_csum_hi;/* crc32c(s_uuid+grp_num+bitmap) MSB */
+ __u32 bg_reserved;
+};
+
+#define EXT2_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not initialized */
+#define EXT2_BG_BLOCK_UNINIT 0x0002 /* Block bitmap not initialized */
+#define EXT2_BG_INODE_ZEROED 0x0004 /* On-disk itable initialized to zero */
+
+/*
+ * Data structures used by the directory indexing feature
+ *
+ * Note: all of the multibyte integer fields are little endian.
+ */
+
+/*
+ * Note: dx_root_info is laid out so that if it should somehow get
+ * overlaid by a dirent the two low bits of the hash version will be
+ * zero. Therefore, the hash version mod 4 should never be 0.
+ * Sincerely, the paranoia department.
+ */
+struct ext2_dx_root_info {
+ __u32 reserved_zero;
+ __u8 hash_version; /* 0 now, 1 at release */
+ __u8 info_length; /* 8 */
+ __u8 indirect_levels;
+ __u8 unused_flags;
+};
+
+#define EXT2_HASH_LEGACY 0
+#define EXT2_HASH_HALF_MD4 1
+#define EXT2_HASH_TEA 2
+#define EXT2_HASH_LEGACY_UNSIGNED 3 /* reserved for userspace lib */
+#define EXT2_HASH_HALF_MD4_UNSIGNED 4 /* reserved for userspace lib */
+#define EXT2_HASH_TEA_UNSIGNED 5 /* reserved for userspace lib */
+
+#define EXT2_HASH_FLAG_INCOMPAT 0x1
+
+struct ext2_dx_entry {
+ __u32 hash;
+ __u32 block;
+};
+
+struct ext2_dx_countlimit {
+ __u16 limit;
+ __u16 count;
+};
+
+
+/*
+ * Macro-instructions used to manage group descriptors
+ */
+#define EXT2_MIN_DESC_SIZE 32
+#define EXT2_MIN_DESC_SIZE_64BIT 64
+#define EXT2_MAX_DESC_SIZE EXT2_MIN_BLOCK_SIZE
+#define EXT2_DESC_SIZE(s) \
+ ((EXT2_SB(s)->s_feature_incompat & EXT4_FEATURE_INCOMPAT_64BIT) ? \
+ (s)->s_desc_size : EXT2_MIN_DESC_SIZE)
+
+#define EXT2_BLOCKS_PER_GROUP(s) (EXT2_SB(s)->s_blocks_per_group)
+#define EXT2_INODES_PER_GROUP(s) (EXT2_SB(s)->s_inodes_per_group)
+#define EXT2_CLUSTERS_PER_GROUP(s) (EXT2_SB(s)->s_clusters_per_group)
+#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s))
+/* limits imposed by 16-bit value gd_free_{blocks,inode}_count */
+#define EXT2_MAX_BLOCKS_PER_GROUP(s) ((((unsigned) 1 << 16) - 8) * \
+ (EXT2_CLUSTER_SIZE(s) / \
+ EXT2_BLOCK_SIZE(s)))
+#define EXT2_MAX_CLUSTERS_PER_GROUP(s) (((unsigned) 1 << 16) - 8)
+#define EXT2_MAX_INODES_PER_GROUP(s) (((unsigned) 1 << 16) - \
+ EXT2_INODES_PER_BLOCK(s))
+#ifdef __KERNEL__
+#define EXT2_DESC_PER_BLOCK(s) (EXT2_SB(s)->s_desc_per_block)
+#define EXT2_DESC_PER_BLOCK_BITS(s) (EXT2_SB(s)->s_desc_per_block_bits)
+#else
+#define EXT2_DESC_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / EXT2_DESC_SIZE(s))
+#endif
+
+/*
+ * Constants relative to the data blocks
+ */
+#define EXT2_NDIR_BLOCKS 12
+#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS
+#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1)
+#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1)
+#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1)
+
+/*
+ * Inode flags
+ */
+#define EXT2_SECRM_FL 0x00000001 /* Secure deletion */
+#define EXT2_UNRM_FL 0x00000002 /* Undelete */
+#define EXT2_COMPR_FL 0x00000004 /* Compress file */
+#define EXT2_SYNC_FL 0x00000008 /* Synchronous updates */
+#define EXT2_IMMUTABLE_FL 0x00000010 /* Immutable file */
+#define EXT2_APPEND_FL 0x00000020 /* writes to file may only append */
+#define EXT2_NODUMP_FL 0x00000040 /* do not dump file */
+#define EXT2_NOATIME_FL 0x00000080 /* do not update atime */
+/* Reserved for compression usage... */
+#define EXT2_DIRTY_FL 0x00000100
+#define EXT2_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
+#define EXT2_NOCOMPR_FL 0x00000400 /* Access raw compressed data */
+#define EXT2_ECOMPR_FL 0x00000800 /* Compression error */
+/* End compression flags --- maybe not all used */
+#define EXT2_BTREE_FL 0x00001000 /* btree format dir */
+#define EXT2_INDEX_FL 0x00001000 /* hash-indexed directory */
+#define EXT2_IMAGIC_FL 0x00002000
+#define EXT3_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
+#define EXT2_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+#define EXT2_DIRSYNC_FL 0x00010000 /* Synchronous directory modifications */
+#define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
+#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
+#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+/* EXT4_EOFBLOCKS_FL 0x00400000 was here */
+#define EXT4_SNAPFILE_FL 0x01000000 /* Inode is a snapshot */
+#define EXT4_SNAPFILE_DELETED_FL 0x04000000 /* Snapshot is being deleted */
+#define EXT4_SNAPFILE_SHRUNK_FL 0x08000000 /* Snapshot shrink has completed */
+#define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
+
+#define EXT2_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
+#define EXT2_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */
+
+/*
+ * ioctl commands
+ */
+
+/* Used for online resize */
+struct ext2_new_group_input {
+ __u32 group; /* Group number for this data */
+ __u32 block_bitmap; /* Absolute block number of block bitmap */
+ __u32 inode_bitmap; /* Absolute block number of inode bitmap */
+ __u32 inode_table; /* Absolute block number of inode table start */
+ __u32 blocks_count; /* Total number of blocks in this group */
+ __u16 reserved_blocks; /* Number of reserved blocks in this group */
+ __u16 unused; /* Number of reserved GDT blocks in group */
+};
+
+struct ext4_new_group_input {
+ __u32 group; /* Group number for this data */
+ __u64 block_bitmap; /* Absolute block number of block bitmap */
+ __u64 inode_bitmap; /* Absolute block number of inode bitmap */
+ __u64 inode_table; /* Absolute block number of inode table start */
+ __u32 blocks_count; /* Total number of blocks in this group */
+ __u16 reserved_blocks; /* Number of reserved blocks in this group */
+ __u16 unused;
+};
+
+#ifdef __GNU__ /* Needed for the Hurd */
+#define _IOT_ext2_new_group_input _IOT (_IOTS(__u32), 5, _IOTS(__u16), 2, 0, 0)
+#endif
+
+#define EXT2_IOC_GETFLAGS _IOR('f', 1, long)
+#define EXT2_IOC_SETFLAGS _IOW('f', 2, long)
+#define EXT2_IOC_GETVERSION _IOR('v', 1, long)
+#define EXT2_IOC_SETVERSION _IOW('v', 2, long)
+#define EXT2_IOC_GETVERSION_NEW _IOR('f', 3, long)
+#define EXT2_IOC_SETVERSION_NEW _IOW('f', 4, long)
+#define EXT2_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long)
+#define EXT2_IOC_GROUP_ADD _IOW('f', 8,struct ext2_new_group_input)
+#define EXT4_IOC_GROUP_ADD _IOW('f', 8,struct ext4_new_group_input)
+#define EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64)
+
+/*
+ * Structure of an inode on the disk
+ */
+struct ext2_inode {
+ __u16 i_mode; /* File mode */
+ __u16 i_uid; /* Low 16 bits of Owner Uid */
+ __u32 i_size; /* Size in bytes */
+ __u32 i_atime; /* Access time */
+ __u32 i_ctime; /* Inode change time */
+ __u32 i_mtime; /* Modification time */
+ __u32 i_dtime; /* Deletion Time */
+ __u16 i_gid; /* Low 16 bits of Group Id */
+ __u16 i_links_count; /* Links count */
+ __u32 i_blocks; /* Blocks count */
+ __u32 i_flags; /* File flags */
+ union {
+ struct {
+ __u32 l_i_version; /* was l_i_reserved1 */
+ } linux1;
+ struct {
+ __u32 h_i_translator;
+ } hurd1;
+ } osd1; /* OS dependent 1 */
+ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
+ __u32 i_generation; /* File version (for NFS) */
+ __u32 i_file_acl; /* File ACL */
+ __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */
+ __u32 i_faddr; /* Fragment address */
+ union {
+ struct {
+ __u16 l_i_blocks_hi;
+ __u16 l_i_file_acl_high;
+ __u16 l_i_uid_high; /* these 2 fields */
+ __u16 l_i_gid_high; /* were reserved2[0] */
+ __u16 l_i_checksum_lo; /* crc32c(uuid+inum+inode) */
+ __u16 l_i_reserved;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+ __u8 h_i_fsize; /* Fragment size */
+ __u16 h_i_mode_high;
+ __u16 h_i_uid_high;
+ __u16 h_i_gid_high;
+ __u32 h_i_author;
+ } hurd2;
+ } osd2; /* OS dependent 2 */
+};
+
+/*
+ * Permanent part of an large inode on the disk
+ */
+struct ext2_inode_large {
+ __u16 i_mode; /* File mode */
+ __u16 i_uid; /* Low 16 bits of Owner Uid */
+ __u32 i_size; /* Size in bytes */
+ __u32 i_atime; /* Access time */
+ __u32 i_ctime; /* Inode Change time */
+ __u32 i_mtime; /* Modification time */
+ __u32 i_dtime; /* Deletion Time */
+ __u16 i_gid; /* Low 16 bits of Group Id */
+ __u16 i_links_count; /* Links count */
+ __u32 i_blocks; /* Blocks count */
+ __u32 i_flags; /* File flags */
+ union {
+ struct {
+ __u32 l_i_version; /* was l_i_reserved1 */
+ } linux1;
+ struct {
+ __u32 h_i_translator;
+ } hurd1;
+ } osd1; /* OS dependent 1 */
+ __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
+ __u32 i_generation; /* File version (for NFS) */
+ __u32 i_file_acl; /* File ACL */
+ __u32 i_size_high; /* Formerly i_dir_acl, directory ACL */
+ __u32 i_faddr; /* Fragment address */
+ union {
+ struct {
+ __u16 l_i_blocks_hi;
+ __u16 l_i_file_acl_high;
+ __u16 l_i_uid_high; /* these 2 fields */
+ __u16 l_i_gid_high; /* were reserved2[0] */
+ __u16 l_i_checksum_lo; /* crc32c(uuid+inum+inode) */
+ __u16 l_i_reserved;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+ __u8 h_i_fsize; /* Fragment size */
+ __u16 h_i_mode_high;
+ __u16 h_i_uid_high;
+ __u16 h_i_gid_high;
+ __u32 h_i_author;
+ } hurd2;
+ } osd2; /* OS dependent 2 */
+ __u16 i_extra_isize;
+ __u16 i_checksum_hi; /* crc32c(uuid+inum+inode) */
+ __u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */
+ __u32 i_mtime_extra; /* extra Modification time (nsec << 2 | epoch) */
+ __u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */
+ __u32 i_crtime; /* File creation time */
+ __u32 i_crtime_extra; /* extra File creation time (nsec << 2 | epoch)*/
+ __u32 i_version_hi; /* high 32 bits for 64-bit version */
+};
+
+#define i_dir_acl i_size_high
+
+#if defined(__KERNEL__) || defined(__linux__)
+#define i_reserved1 osd1.linux1.l_i_reserved1
+#define i_frag osd2.linux2.l_i_frag
+#define i_fsize osd2.linux2.l_i_fsize
+#define i_uid_low i_uid
+#define i_gid_low i_gid
+#define i_uid_high osd2.linux2.l_i_uid_high
+#define i_gid_high osd2.linux2.l_i_gid_high
+#else
+#if defined(__GNU__)
+
+#define i_translator osd1.hurd1.h_i_translator
+#define i_frag osd2.hurd2.h_i_frag;
+#define i_fsize osd2.hurd2.h_i_fsize;
+#define i_uid_high osd2.hurd2.h_i_uid_high
+#define i_gid_high osd2.hurd2.h_i_gid_high
+#define i_author osd2.hurd2.h_i_author
+
+#endif /* __GNU__ */
+#endif /* defined(__KERNEL__) || defined(__linux__) */
+
+#define inode_uid(inode) ((inode).i_uid | (inode).osd2.linux2.l_i_uid_high << 16)
+#define inode_gid(inode) ((inode).i_gid | (inode).osd2.linux2.l_i_gid_high << 16)
+#define ext2fs_set_i_uid_high(inode,x) ((inode).osd2.linux2.l_i_uid_high = (x))
+#define ext2fs_set_i_gid_high(inode,x) ((inode).osd2.linux2.l_i_gid_high = (x))
+
+/*
+ * File system states
+ */
+#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */
+#define EXT2_ERROR_FS 0x0002 /* Errors detected */
+#define EXT3_ORPHAN_FS 0x0004 /* Orphans being recovered */
+
+/*
+ * Misc. filesystem flags
+ */
+#define EXT2_FLAGS_SIGNED_HASH 0x0001 /* Signed dirhash in use */
+#define EXT2_FLAGS_UNSIGNED_HASH 0x0002 /* Unsigned dirhash in use */
+#define EXT2_FLAGS_TEST_FILESYS 0x0004 /* OK for use on development code */
+#define EXT2_FLAGS_IS_SNAPSHOT 0x0010 /* This is a snapshot image */
+#define EXT2_FLAGS_FIX_SNAPSHOT 0x0020 /* Snapshot inodes corrupted */
+#define EXT2_FLAGS_FIX_EXCLUDE 0x0040 /* Exclude bitmaps corrupted */
+
+/*
+ * Mount flags
+ */
+#define EXT2_MOUNT_CHECK 0x0001 /* Do mount-time checks */
+#define EXT2_MOUNT_GRPID 0x0004 /* Create files with directory's group */
+#define EXT2_MOUNT_DEBUG 0x0008 /* Some debugging messages */
+#define EXT2_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */
+#define EXT2_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */
+#define EXT2_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */
+#define EXT2_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */
+#define EXT2_MOUNT_NO_UID32 0x0200 /* Disable 32-bit UIDs */
+
+#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
+#define set_opt(o, opt) o |= EXT2_MOUNT_##opt
+#define test_opt(sb, opt) (EXT2_SB(sb)->s_mount_opt & \
+ EXT2_MOUNT_##opt)
+/*
+ * Maximal mount counts between two filesystem checks
+ */
+#define EXT2_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */
+#define EXT2_DFL_CHECKINTERVAL 0 /* Don't use interval check */
+
+/*
+ * Behaviour when detecting errors
+ */
+#define EXT2_ERRORS_CONTINUE 1 /* Continue execution */
+#define EXT2_ERRORS_RO 2 /* Remount fs read-only */
+#define EXT2_ERRORS_PANIC 3 /* Panic */
+#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE
+
+#if (__GNUC__ >= 4)
+#define ext4_offsetof(TYPE,MEMBER) __builtin_offsetof(TYPE,MEMBER)
+#else
+#define ext4_offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+/*
+ * Structure of the super block
+ */
+struct ext2_super_block {
+ __u32 s_inodes_count; /* Inodes count */
+ __u32 s_blocks_count; /* Blocks count */
+ __u32 s_r_blocks_count; /* Reserved blocks count */
+ __u32 s_free_blocks_count; /* Free blocks count */
+ __u32 s_free_inodes_count; /* Free inodes count */
+ __u32 s_first_data_block; /* First Data Block */
+ __u32 s_log_block_size; /* Block size */
+ __u32 s_log_cluster_size; /* Allocation cluster size */
+ __u32 s_blocks_per_group; /* # Blocks per group */
+ __u32 s_clusters_per_group; /* # Fragments per group */
+ __u32 s_inodes_per_group; /* # Inodes per group */
+ __u32 s_mtime; /* Mount time */
+ __u32 s_wtime; /* Write time */
+ __u16 s_mnt_count; /* Mount count */
+ __s16 s_max_mnt_count; /* Maximal mount count */
+ __u16 s_magic; /* Magic signature */
+ __u16 s_state; /* File system state */
+ __u16 s_errors; /* Behaviour when detecting errors */
+ __u16 s_minor_rev_level; /* minor revision level */
+ __u32 s_lastcheck; /* time of last check */
+ __u32 s_checkinterval; /* max. time between checks */
+ __u32 s_creator_os; /* OS */
+ __u32 s_rev_level; /* Revision level */
+ __u16 s_def_resuid; /* Default uid for reserved blocks */
+ __u16 s_def_resgid; /* Default gid for reserved blocks */
+ /*
+ * These fields are for EXT2_DYNAMIC_REV superblocks only.
+ *
+ * Note: the difference between the compatible feature set and
+ * the incompatible feature set is that if there is a bit set
+ * in the incompatible feature set that the kernel doesn't
+ * know about, it should refuse to mount the filesystem.
+ *
+ * e2fsck's requirements are more strict; if it doesn't know
+ * about a feature in either the compatible or incompatible
+ * feature set, it must abort and not try to meddle with
+ * things it doesn't understand...
+ */
+ __u32 s_first_ino; /* First non-reserved inode */
+ __u16 s_inode_size; /* size of inode structure */
+ __u16 s_block_group_nr; /* block group # of this superblock */
+ __u32 s_feature_compat; /* compatible feature set */
+ __u32 s_feature_incompat; /* incompatible feature set */
+ __u32 s_feature_ro_compat; /* readonly-compatible feature set */
+ __u8 s_uuid[16]; /* 128-bit uuid for volume */
+ char s_volume_name[16]; /* volume name */
+ char s_last_mounted[64]; /* directory where last mounted */
+ __u32 s_algorithm_usage_bitmap; /* For compression */
+ /*
+ * Performance hints. Directory preallocation should only
+ * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on.
+ */
+ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
+ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
+ __u16 s_reserved_gdt_blocks; /* Per group table for online growth */
+ /*
+ * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set.
+ */
+ __u8 s_journal_uuid[16]; /* uuid of journal superblock */
+ __u32 s_journal_inum; /* inode number of journal file */
+ __u32 s_journal_dev; /* device number of journal file */
+ __u32 s_last_orphan; /* start of list of inodes to delete */
+ __u32 s_hash_seed[4]; /* HTREE hash seed */
+ __u8 s_def_hash_version; /* Default hash version to use */
+ __u8 s_jnl_backup_type; /* Default type of journal backup */
+ __u16 s_desc_size; /* Group desc. size: INCOMPAT_64BIT */
+ __u32 s_default_mount_opts;
+ __u32 s_first_meta_bg; /* First metablock group */
+ __u32 s_mkfs_time; /* When the filesystem was created */
+ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */
+ __u32 s_blocks_count_hi; /* Blocks count high 32bits */
+ __u32 s_r_blocks_count_hi; /* Reserved blocks count high 32 bits*/
+ __u32 s_free_blocks_hi; /* Free blocks count */
+ __u16 s_min_extra_isize; /* All inodes have at least # bytes */
+ __u16 s_want_extra_isize; /* New inodes should reserve # bytes */
+ __u32 s_flags; /* Miscellaneous flags */
+ __u16 s_raid_stride; /* RAID stride */
+ __u16 s_mmp_update_interval; /* # seconds to wait in MMP checking */
+ __u64 s_mmp_block; /* Block for multi-mount protection */
+ __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/
+ __u8 s_log_groups_per_flex; /* FLEX_BG group size */
+ __u8 s_reserved_char_pad;
+ __u16 s_reserved_pad; /* Padding to next 32bits */
+ __u64 s_kbytes_written; /* nr of lifetime kilobytes written */
+ __u32 s_snapshot_inum; /* Inode number of active snapshot */
+ __u32 s_snapshot_id; /* sequential ID of active snapshot */
+ __u64 s_snapshot_r_blocks_count; /* reserved blocks for active
+ snapshot's future use */
+ __u32 s_snapshot_list; /* inode number of the head of the on-disk snapshot list */
+#define EXT4_S_ERR_START ext4_offsetof(struct ext2_super_block, s_error_count)
+ __u32 s_error_count; /* number of fs errors */
+ __u32 s_first_error_time; /* first time an error happened */
+ __u32 s_first_error_ino; /* inode involved in first error */
+ __u64 s_first_error_block; /* block involved of first error */
+ __u8 s_first_error_func[32]; /* function where the error happened */
+ __u32 s_first_error_line; /* line number where error happened */
+ __u32 s_last_error_time; /* most recent time of an error */
+ __u32 s_last_error_ino; /* inode involved in last error */
+ __u32 s_last_error_line; /* line number where error happened */
+ __u64 s_last_error_block; /* block involved of last error */
+ __u8 s_last_error_func[32]; /* function where the error happened */
+#define EXT4_S_ERR_END ext4_offsetof(struct ext2_super_block, s_mount_opts)
+ __u8 s_mount_opts[64];
+ __u32 s_usr_quota_inum; /* inode number of user quota file */
+ __u32 s_grp_quota_inum; /* inode number of group quota file */
+ __u32 s_overhead_blocks; /* overhead blocks/clusters in fs */
+ __u32 s_reserved[108]; /* Padding to the end of the block */
+ __u32 s_checksum; /* crc32c(superblock) */
+};
+
+#define EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START)
+
+/*
+ * Codes for operating systems
+ */
+#define EXT2_OS_LINUX 0
+#define EXT2_OS_HURD 1
+#define EXT2_OBSO_OS_MASIX 2
+#define EXT2_OS_FREEBSD 3
+#define EXT2_OS_LITES 4
+
+/*
+ * Revision levels
+ */
+#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */
+#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */
+
+#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV
+#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV
+
+#define EXT2_GOOD_OLD_INODE_SIZE 128
+
+/*
+ * Journal inode backup types
+ */
+#define EXT3_JNL_BACKUP_BLOCKS 1
+
+/*
+ * Feature set definitions
+ */
+
+#define EXT2_HAS_COMPAT_FEATURE(sb,mask) \
+ ( EXT2_SB(sb)->s_feature_compat & (mask) )
+#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask) \
+ ( EXT2_SB(sb)->s_feature_ro_compat & (mask) )
+#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \
+ ( EXT2_SB(sb)->s_feature_incompat & (mask) )
+
+#define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001
+#define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002
+#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004
+#define EXT2_FEATURE_COMPAT_EXT_ATTR 0x0008
+#define EXT2_FEATURE_COMPAT_RESIZE_INODE 0x0010
+#define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020
+#define EXT2_FEATURE_COMPAT_LAZY_BG 0x0040
+/* #define EXT2_FEATURE_COMPAT_EXCLUDE_INODE 0x0080 not used, legacy */
+#define EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP 0x0100
+
+
+#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
+#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
+/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 not used */
+#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008
+#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010
+#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020
+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040
+#define EXT4_FEATURE_RO_COMPAT_HAS_SNAPSHOT 0x0080
+#define EXT4_FEATURE_RO_COMPAT_QUOTA 0x0100
+#define EXT4_FEATURE_RO_COMPAT_BIGALLOC 0x0200
+#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400
+#define EXT4_FEATURE_RO_COMPAT_REPLICA 0x0800
+
+#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001
+#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002
+#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */
+#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */
+#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010
+#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040
+#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080
+#define EXT4_FEATURE_INCOMPAT_MMP 0x0100
+#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200
+#define EXT4_FEATURE_INCOMPAT_EA_INODE 0x0400
+#define EXT4_FEATURE_INCOMPAT_DIRDATA 0x1000
+
+#define EXT2_FEATURE_COMPAT_SUPP 0
+#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \
+ EXT4_FEATURE_INCOMPAT_MMP)
+#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
+ EXT4_FEATURE_RO_COMPAT_DIR_NLINK| \
+ EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+
+/*
+ * Default values for user and/or group using reserved blocks
+ */
+#define EXT2_DEF_RESUID 0
+#define EXT2_DEF_RESGID 0
+
+/*
+ * Default mount options
+ */
+#define EXT2_DEFM_DEBUG 0x0001
+#define EXT2_DEFM_BSDGROUPS 0x0002
+#define EXT2_DEFM_XATTR_USER 0x0004
+#define EXT2_DEFM_ACL 0x0008
+#define EXT2_DEFM_UID16 0x0010
+#define EXT3_DEFM_JMODE 0x0060
+#define EXT3_DEFM_JMODE_DATA 0x0020
+#define EXT3_DEFM_JMODE_ORDERED 0x0040
+#define EXT3_DEFM_JMODE_WBACK 0x0060
+#define EXT4_DEFM_NOBARRIER 0x0100
+#define EXT4_DEFM_BLOCK_VALIDITY 0x0200
+#define EXT4_DEFM_DISCARD 0x0400
+#define EXT4_DEFM_NODELALLOC 0x0800
+
+/*
+ * Structure of a directory entry
+ */
+#define EXT2_NAME_LEN 255
+
+struct ext2_dir_entry {
+ __u32 inode; /* Inode number */
+ __u16 rec_len; /* Directory entry length */
+ __u16 name_len; /* Name length */
+ char name[EXT2_NAME_LEN]; /* File name */
+};
+
+/*
+ * The new version of the directory entry. Since EXT2 structures are
+ * stored in intel byte order, and the name_len field could never be
+ * bigger than 255 chars, it's safe to reclaim the extra byte for the
+ * file_type field.
+ */
+struct ext2_dir_entry_2 {
+ __u32 inode; /* Inode number */
+ __u16 rec_len; /* Directory entry length */
+ __u8 name_len; /* Name length */
+ __u8 file_type;
+ char name[EXT2_NAME_LEN]; /* File name */
+};
+
+/*
+ * Ext2 directory file types. Only the low 3 bits are used. The
+ * other bits are reserved for now.
+ */
+#define EXT2_FT_UNKNOWN 0
+#define EXT2_FT_REG_FILE 1
+#define EXT2_FT_DIR 2
+#define EXT2_FT_CHRDEV 3
+#define EXT2_FT_BLKDEV 4
+#define EXT2_FT_FIFO 5
+#define EXT2_FT_SOCK 6
+#define EXT2_FT_SYMLINK 7
+
+#define EXT2_FT_MAX 8
+
+/*
+ * EXT2_DIR_PAD defines the directory entries boundaries
+ *
+ * NOTE: It must be a multiple of 4
+ */
+#define EXT2_DIR_PAD 4
+#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1)
+#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \
+ ~EXT2_DIR_ROUND)
+
+/*
+ * This structure is used for multiple mount protection. It is written
+ * into the block number saved in the s_mmp_block field in the superblock.
+ * Programs that check MMP should assume that if SEQ_FSCK (or any unknown
+ * code above SEQ_MAX) is present then it is NOT safe to use the filesystem,
+ * regardless of how old the timestamp is.
+ *
+ * The timestamp in the MMP structure will be updated by e2fsck at some
+ * arbitary intervals (start of passes, after every few groups of inodes
+ * in pass1 and pass1b). There is no guarantee that e2fsck is updating
+ * the MMP block in a timely manner, and the updates it does are purely
+ * for the convenience of the sysadmin and not for automatic validation.
+ *
+ * Note: Only the mmp_seq value is used to determine whether the MMP block
+ * is being updated. The mmp_time, mmp_nodename, and mmp_bdevname
+ * fields are only for informational purposes for the administrator,
+ * due to clock skew between nodes and hostname HA service takeover.
+ */
+#define EXT4_MMP_MAGIC 0x004D4D50U /* ASCII for MMP */
+#define EXT4_MMP_SEQ_CLEAN 0xFF4D4D50U /* mmp_seq value for clean unmount */
+#define EXT4_MMP_SEQ_FSCK 0xE24D4D50U /* mmp_seq value when being fscked */
+#define EXT4_MMP_SEQ_MAX 0xE24D4D4FU /* maximum valid mmp_seq value */
+
+struct mmp_struct {
+ __u32 mmp_magic; /* Magic number for MMP */
+ __u32 mmp_seq; /* Sequence no. updated periodically */
+ __u64 mmp_time; /* Time last updated */
+ char mmp_nodename[64]; /* Node which last updated MMP block */
+ char mmp_bdevname[32]; /* Bdev which last updated MMP block */
+ __u16 mmp_check_interval; /* Changed mmp_check_interval */
+ __u16 mmp_pad1;
+ __u32 mmp_pad2[227];
+};
+
+/*
+ * Default interval for MMP update in seconds.
+ */
+#define EXT4_MMP_UPDATE_INTERVAL 5
+
+/*
+ * Maximum interval for MMP update in seconds.
+ */
+#define EXT4_MMP_MAX_UPDATE_INTERVAL 300
+
+/*
+ * Minimum interval for MMP checking in seconds.
+ */
+#define EXT4_MMP_MIN_CHECK_INTERVAL 5
+
+#endif /* _EXT2FS_EXT2_FS_H */
diff -urpN syslinux-4.05/libinstaller/linuxioctl.h.ext2 syslinux-4.05/libinstaller/linuxioctl.h
--- syslinux-4.05/libinstaller/linuxioctl.h.ext2 2011-12-09 13:28:17.000000000 -0500
+++ syslinux-4.05/libinstaller/linuxioctl.h 2012-08-06 09:52:42.653335110 -0400
@@ -9,17 +9,33 @@
#include <sys/ioctl.h>
+#ifdef __linux__
+
#define statfs _kernel_statfs /* HACK to deal with broken 2.4 distros */
#include <linux/fd.h> /* Floppy geometry */
#include <linux/hdreg.h> /* Hard disk geometry */
-#include <linux/fs.h> /* FIGETBSZ, FIBMAP, FS_IOC_FIEMAP */
+#include <linux/fs.h> /* FIGETBSZ, FIBMAP, FS_IOC_* */
#include <linux/msdos_fs.h> /* FAT_IOCTL_SET_ATTRIBUTES */
#undef SECTOR_SIZE /* Defined in msdos_fs.h for no good reason */
#undef SECTOR_BITS
-#include <linux/ext2_fs.h> /* EXT2_IOC_* */
+
+#ifndef FS_IOC_GETFLAGS
+/* Old kernel headers, these were once ext2-specific... */
+# include <linux/ext2_fs.h> /* EXT2_IOC_* */
+
+# define FS_IOC_GETFLAGS EXT2_IOC_GETFLAGS
+# define FS_IOC_SETFLAGS EXT2_IOC_SETFLAGS
+
+# define FS_IMMUTABLE_FL EXT2_IMMUTABLE_FL
+
+#else
+
+# include <ext2fs/ext2_fs.h>
+
+#endif
#ifndef FAT_IOCTL_GET_ATTRIBUTES
# define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32)
@@ -37,11 +53,13 @@
#undef statfs
-#if defined(__linux__) && !defined(BLKGETSIZE64)
+#ifndef BLKGETSIZE64
/* This takes a u64, but the size field says size_t. Someone screwed big. */
# define BLKGETSIZE64 _IOR(0x12,114,size_t)
#endif
#include <linux/loop.h>
+#endif /* __linux__ */
+
#endif /* LIBINSTALLER_LINUXIOCTL_H */
diff -urpN syslinux-4.05/libinstaller/syslxcom.c.ext2 syslinux-4.05/libinstaller/syslxcom.c
--- syslinux-4.05/libinstaller/syslxcom.c.ext2 2011-12-09 13:28:17.000000000 -0500
+++ syslinux-4.05/libinstaller/syslxcom.c 2012-08-06 09:48:43.797645032 -0400
@@ -121,9 +121,9 @@ void clear_attributes(int fd)
{
int flags;
- if (!ioctl(fd, EXT2_IOC_GETFLAGS, &flags)) {
- flags &= ~EXT2_IMMUTABLE_FL;
- ioctl(fd, EXT2_IOC_SETFLAGS, &flags);
+ if (!ioctl(fd, FS_IOC_GETFLAGS, &flags)) {
+ flags &= ~FS_IMMUTABLE_FL;
+ ioctl(fd, FS_IOC_SETFLAGS, &flags);
}
break;
}
@@ -151,9 +151,9 @@ void set_attributes(int fd)
{
int flags;
- if (st.st_uid == 0 && !ioctl(fd, EXT2_IOC_GETFLAGS, &flags)) {
- flags |= EXT2_IMMUTABLE_FL;
- ioctl(fd, EXT2_IOC_SETFLAGS, &flags);
+ if (st.st_uid == 0 && !ioctl(fd, FS_IOC_GETFLAGS, &flags)) {
+ flags |= FS_IMMUTABLE_FL;
+ ioctl(fd, FS_IOC_SETFLAGS, &flags);
}
break;
}

8
syslinux.spec
View File

@ -2,7 +2,7 @@ Summary: Simple kernel loader which boots from a FAT filesystem
Name: syslinux
Version: 4.05
%define tarball_version 4.05
Release: 3%{?dist}
Release: 4%{?dist}
License: GPLv2+
Group: Applications/System
URL: http://syslinux.zytor.com/wiki/index.php/The_Syslinux_Project
@ -20,6 +20,7 @@ Requires: mtools, libc.so.6()(64bit)
%endif
Patch1: syslinux-isohybrid-fix-mbr.patch
Patch2: syslinux-4.05-avoid-ext2_fs.h.patch
# NOTE: extlinux belongs in /sbin, not in /usr/sbin, since it is typically
# a system bootloader, and may be necessary for system recovery.
@ -67,6 +68,7 @@ booting in the /tftpboot directory.
%setup -q -n syslinux-%{tarball_version}
%patch1 -p1 -b .isohyb
%patch2 -p1 -b .ext2
%build
CFLAGS="-Werror -Wno-unused -finline-limit=2000"
@ -164,6 +166,10 @@ elif [ -f /boot/extlinux.conf ]; then \
fi
%changelog
* Mon Aug 06 2012 Peter Jones <pjones@redhat.com> - 4.05-4
- Fix build problem from kernel-headers' removeal of ext2_fs.h
(fix backported from as-yet-unreleased upstream version.)
* Sat Jul 21 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 4.05-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild