diff options
| -rw-r--r-- | target/linux/config/Config.in.fs | 15 | ||||
| -rw-r--r-- | target/linux/patches/3.14.4/yaffs2.patch | 20438 |
2 files changed, 20443 insertions, 10 deletions
diff --git a/target/linux/config/Config.in.fs b/target/linux/config/Config.in.fs index c8eace4ad..446dee170 100644 --- a/target/linux/config/Config.in.fs +++ b/target/linux/config/Config.in.fs @@ -20,13 +20,6 @@ config ADK_KERNEL_YAFFS_YAFFS2 config ADK_KERNEL_YAFFS_AUTO_YAFFS2 boolean -config ADK_KERNEL_YAFFS_CHECKPOINT_RESERVED_BLOCKS - int - default 0 - -config ADK_KERNEL_YAFFS_SHORT_NAMES_IN_RAM - boolean - config ADK_KERNEL_DNOTIFY boolean @@ -55,7 +48,6 @@ config ADK_KERNEL_JFFS2_ZLIB menu "Filesystems" - config ADK_KERNEL_EXT2_FS prompt "EXT2 filesystem support" tristate @@ -246,11 +238,14 @@ config ADK_KERNEL_SQUASHFS config ADK_KERNEL_YAFFS_FS prompt "YAFFS2 filesystem" + tristate + select ADK_KERNEL_MISC_FILESYSTEMS + select ADK_KERNEL_MTD + select ADK_KERNEL_MTD_BLOCK select ADK_KERNEL_YAFFS_YAFFS1 select ADK_KERNEL_YAFFS_YAFFS2 select ADK_KERNEL_YAFFS_AUTO_YAFFS2 - select ADK_KERNEL_YAFFS_SHORT_NAMES_IN_RAM - tristate + depends on ADK_KERNEL_VERSION_3_14_4 help YAFFS2 filesystem for NAND devices diff --git a/target/linux/patches/3.14.4/yaffs2.patch b/target/linux/patches/3.14.4/yaffs2.patch new file mode 100644 index 000000000..190f395e9 --- /dev/null +++ b/target/linux/patches/3.14.4/yaffs2.patch @@ -0,0 +1,20438 @@ +diff -Nur linux-3.14.4.orig/fs/Kconfig linux-3.14.4/fs/Kconfig +--- linux-3.14.4.orig/fs/Kconfig 2014-05-13 13:33:14.000000000 +0200 ++++ linux-3.14.4/fs/Kconfig 2014-05-14 12:41:23.844791998 +0200 +@@ -189,6 +189,7 @@ + source "fs/befs/Kconfig" + source "fs/bfs/Kconfig" + source "fs/efs/Kconfig" ++source "fs/yaffs2/Kconfig" + source "fs/jffs2/Kconfig" + # UBIFS File system configuration + source "fs/ubifs/Kconfig" +diff -Nur linux-3.14.4.orig/fs/Kconfig.orig linux-3.14.4/fs/Kconfig.orig +--- linux-3.14.4.orig/fs/Kconfig.orig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/Kconfig.orig 2014-05-13 13:33:14.000000000 +0200 +@@ -0,0 +1,267 @@ ++# ++# File system configuration ++# ++ ++menu "File systems" ++ ++# Use unaligned word dcache accesses ++config DCACHE_WORD_ACCESS ++ bool ++ ++if BLOCK ++ ++source "fs/ext2/Kconfig" ++source "fs/ext3/Kconfig" ++source "fs/ext4/Kconfig" ++ ++config FS_XIP ++# execute in place ++ bool ++ depends on EXT2_FS_XIP ++ default y ++ ++source "fs/jbd/Kconfig" ++source "fs/jbd2/Kconfig" ++ ++config FS_MBCACHE ++# Meta block cache for Extended Attributes (ext2/ext3/ext4) ++ tristate ++ default y if EXT2_FS=y && EXT2_FS_XATTR ++ default y if EXT3_FS=y && EXT3_FS_XATTR ++ default y if EXT4_FS=y ++ default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS ++ ++source "fs/reiserfs/Kconfig" ++source "fs/jfs/Kconfig" ++ ++source "fs/xfs/Kconfig" ++source "fs/gfs2/Kconfig" ++source "fs/ocfs2/Kconfig" ++source "fs/btrfs/Kconfig" ++source "fs/nilfs2/Kconfig" ++ ++endif # BLOCK ++ ++# Posix ACL utility routines ++# ++# Note: Posix ACLs can be implemented without these helpers. Never use ++# this symbol for ifdefs in core code. ++# ++config FS_POSIX_ACL ++ def_bool n ++ ++config EXPORTFS ++ tristate ++ ++config FILE_LOCKING ++ bool "Enable POSIX file locking API" if EXPERT ++ default y ++ help ++ This option enables standard file locking support, required ++ for filesystems like NFS and for the flock() system ++ call. Disabling this option saves about 11k. ++ ++source "fs/notify/Kconfig" ++ ++source "fs/quota/Kconfig" ++ ++source "fs/autofs4/Kconfig" ++source "fs/fuse/Kconfig" ++ ++menu "Caches" ++ ++source "fs/fscache/Kconfig" ++source "fs/cachefiles/Kconfig" ++ ++endmenu ++ ++if BLOCK ++menu "CD-ROM/DVD Filesystems" ++ ++source "fs/isofs/Kconfig" ++source "fs/udf/Kconfig" ++ ++endmenu ++endif # BLOCK ++ ++if BLOCK ++menu "DOS/FAT/NT Filesystems" ++ ++source "fs/fat/Kconfig" ++source "fs/ntfs/Kconfig" ++ ++endmenu ++endif # BLOCK ++ ++menu "Pseudo filesystems" ++ ++source "fs/proc/Kconfig" ++source "fs/sysfs/Kconfig" ++ ++config TMPFS ++ bool "Tmpfs virtual memory file system support (former shm fs)" ++ depends on SHMEM ++ help ++ Tmpfs is a file system which keeps all files in virtual memory. ++ ++ Everything in tmpfs is temporary in the sense that no files will be ++ created on your hard drive. The files live in memory and swap ++ space. If you unmount a tmpfs instance, everything stored therein is ++ lost. ++ ++ See <file:Documentation/filesystems/tmpfs.txt> for details. ++ ++config TMPFS_POSIX_ACL ++ bool "Tmpfs POSIX Access Control Lists" ++ depends on TMPFS ++ select TMPFS_XATTR ++ select FS_POSIX_ACL ++ help ++ POSIX Access Control Lists (ACLs) support additional access rights ++ for users and groups beyond the standard owner/group/world scheme, ++ and this option selects support for ACLs specifically for tmpfs ++ filesystems. ++ ++ If you've selected TMPFS, it's possible that you'll also need ++ this option as there are a number of Linux distros that require ++ POSIX ACL support under /dev for certain features to work properly. ++ For example, some distros need this feature for ALSA-related /dev ++ files for sound to work properly. In short, if you're not sure, ++ say Y. ++ ++ To learn more about Access Control Lists, visit the POSIX ACLs for ++ Linux website <http://acl.bestbits.at/>. ++ ++config TMPFS_XATTR ++ bool "Tmpfs extended attributes" ++ depends on TMPFS ++ default n ++ help ++ Extended attributes are name:value pairs associated with inodes by ++ the kernel or by users (see the attr(5) manual page, or visit ++ <http://acl.bestbits.at/> for details). ++ ++ Currently this enables support for the trusted.* and ++ security.* namespaces. ++ ++ You need this for POSIX ACL support on tmpfs. ++ ++ If unsure, say N. ++ ++config HUGETLBFS ++ bool "HugeTLB file system support" ++ depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \ ++ SYS_SUPPORTS_HUGETLBFS || BROKEN ++ help ++ hugetlbfs is a filesystem backing for HugeTLB pages, based on ++ ramfs. For architectures that support it, say Y here and read ++ <file:Documentation/vm/hugetlbpage.txt> for details. ++ ++ If unsure, say N. ++ ++config HUGETLB_PAGE ++ def_bool HUGETLBFS ++ ++source "fs/configfs/Kconfig" ++ ++endmenu ++ ++menuconfig MISC_FILESYSTEMS ++ bool "Miscellaneous filesystems" ++ default y ++ ---help--- ++ Say Y here to get to see options for various miscellaneous ++ filesystems, such as filesystems that came from other ++ operating systems. ++ ++ This option alone does not add any kernel code. ++ ++ If you say N, all options in this submenu will be skipped and ++ disabled; if unsure, say Y here. ++ ++if MISC_FILESYSTEMS ++ ++source "fs/adfs/Kconfig" ++source "fs/affs/Kconfig" ++source "fs/ecryptfs/Kconfig" ++source "fs/hfs/Kconfig" ++source "fs/hfsplus/Kconfig" ++source "fs/befs/Kconfig" ++source "fs/bfs/Kconfig" ++source "fs/efs/Kconfig" ++source "fs/jffs2/Kconfig" ++# UBIFS File system configuration ++source "fs/ubifs/Kconfig" ++source "fs/logfs/Kconfig" ++source "fs/cramfs/Kconfig" ++source "fs/squashfs/Kconfig" ++source "fs/freevxfs/Kconfig" ++source "fs/minix/Kconfig" ++source "fs/omfs/Kconfig" ++source "fs/hpfs/Kconfig" ++source "fs/qnx4/Kconfig" ++source "fs/qnx6/Kconfig" ++source "fs/romfs/Kconfig" ++source "fs/pstore/Kconfig" ++source "fs/sysv/Kconfig" ++source "fs/ufs/Kconfig" ++source "fs/exofs/Kconfig" ++source "fs/f2fs/Kconfig" ++source "fs/efivarfs/Kconfig" ++ ++endif # MISC_FILESYSTEMS ++ ++source "fs/exofs/Kconfig.ore" ++ ++menuconfig NETWORK_FILESYSTEMS ++ bool "Network File Systems" ++ default y ++ depends on NET ++ ---help--- ++ Say Y here to get to see options for network filesystems and ++ filesystem-related networking code, such as NFS daemon and ++ RPCSEC security modules. ++ ++ This option alone does not add any kernel code. ++ ++ If you say N, all options in this submenu will be skipped and ++ disabled; if unsure, say Y here. ++ ++if NETWORK_FILESYSTEMS ++ ++source "fs/nfs/Kconfig" ++source "fs/nfsd/Kconfig" ++ ++config LOCKD ++ tristate ++ depends on FILE_LOCKING ++ ++config LOCKD_V4 ++ bool ++ depends on NFSD_V3 || NFS_V3 ++ depends on FILE_LOCKING ++ default y ++ ++config NFS_ACL_SUPPORT ++ tristate ++ select FS_POSIX_ACL ++ ++config NFS_COMMON ++ bool ++ depends on NFSD || NFS_FS ++ default y ++ ++source "net/sunrpc/Kconfig" ++source "fs/ceph/Kconfig" ++source "fs/cifs/Kconfig" ++source "fs/ncpfs/Kconfig" ++source "fs/coda/Kconfig" ++source "fs/afs/Kconfig" ++source "fs/9p/Kconfig" ++ ++endif # NETWORK_FILESYSTEMS ++ ++source "fs/nls/Kconfig" ++source "fs/dlm/Kconfig" ++ ++endmenu +diff -Nur linux-3.14.4.orig/fs/Makefile linux-3.14.4/fs/Makefile +--- linux-3.14.4.orig/fs/Makefile 2014-05-13 13:33:14.000000000 +0200 ++++ linux-3.14.4/fs/Makefile 2014-05-14 12:41:23.868792075 +0200 +@@ -125,3 +125,4 @@ + obj-$(CONFIG_CEPH_FS) += ceph/ + obj-$(CONFIG_PSTORE) += pstore/ + obj-$(CONFIG_EFIVAR_FS) += efivarfs/ ++obj-$(CONFIG_YAFFS_FS) += yaffs2/ +diff -Nur linux-3.14.4.orig/fs/Makefile.orig linux-3.14.4/fs/Makefile.orig +--- linux-3.14.4.orig/fs/Makefile.orig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/Makefile.orig 2014-05-13 13:33:14.000000000 +0200 +@@ -0,0 +1,127 @@ ++# ++# Makefile for the Linux filesystems. ++# ++# 14 Sep 2000, Christoph Hellwig <hch@infradead.org> ++# Rewritten to use lists instead of if-statements. ++# ++ ++obj-y := open.o read_write.o file_table.o super.o \ ++ char_dev.o stat.o exec.o pipe.o namei.o fcntl.o \ ++ ioctl.o readdir.o select.o dcache.o inode.o \ ++ attr.o bad_inode.o file.o filesystems.o namespace.o \ ++ seq_file.o xattr.o libfs.o fs-writeback.o \ ++ pnode.o splice.o sync.o utimes.o \ ++ stack.o fs_struct.o statfs.o ++ ++ifeq ($(CONFIG_BLOCK),y) ++obj-y += buffer.o bio.o block_dev.o direct-io.o mpage.o ioprio.o ++else ++obj-y += no-block.o ++endif ++ ++obj-$(CONFIG_PROC_FS) += proc_namespace.o ++ ++obj-$(CONFIG_BLK_DEV_INTEGRITY) += bio-integrity.o ++obj-y += notify/ ++obj-$(CONFIG_EPOLL) += eventpoll.o ++obj-$(CONFIG_ANON_INODES) += anon_inodes.o ++obj-$(CONFIG_SIGNALFD) += signalfd.o ++obj-$(CONFIG_TIMERFD) += timerfd.o ++obj-$(CONFIG_EVENTFD) += eventfd.o ++obj-$(CONFIG_AIO) += aio.o ++obj-$(CONFIG_FILE_LOCKING) += locks.o ++obj-$(CONFIG_COMPAT) += compat.o compat_ioctl.o ++obj-$(CONFIG_BINFMT_AOUT) += binfmt_aout.o ++obj-$(CONFIG_BINFMT_EM86) += binfmt_em86.o ++obj-$(CONFIG_BINFMT_MISC) += binfmt_misc.o ++obj-$(CONFIG_BINFMT_SCRIPT) += binfmt_script.o ++obj-$(CONFIG_BINFMT_ELF) += binfmt_elf.o ++obj-$(CONFIG_COMPAT_BINFMT_ELF) += compat_binfmt_elf.o ++obj-$(CONFIG_BINFMT_ELF_FDPIC) += binfmt_elf_fdpic.o ++obj-$(CONFIG_BINFMT_SOM) += binfmt_som.o ++obj-$(CONFIG_BINFMT_FLAT) += binfmt_flat.o ++ ++obj-$(CONFIG_FS_MBCACHE) += mbcache.o ++obj-$(CONFIG_FS_POSIX_ACL) += posix_acl.o ++obj-$(CONFIG_NFS_COMMON) += nfs_common/ ++obj-$(CONFIG_COREDUMP) += coredump.o ++obj-$(CONFIG_SYSCTL) += drop_caches.o ++ ++obj-$(CONFIG_FHANDLE) += fhandle.o ++ ++obj-y += quota/ ++ ++obj-$(CONFIG_PROC_FS) += proc/ ++obj-$(CONFIG_SYSFS) += sysfs/ kernfs/ ++obj-$(CONFIG_CONFIGFS_FS) += configfs/ ++obj-y += devpts/ ++ ++obj-$(CONFIG_PROFILING) += dcookies.o ++obj-$(CONFIG_DLM) += dlm/ ++ ++# Do not add any filesystems before this line ++obj-$(CONFIG_FSCACHE) += fscache/ ++obj-$(CONFIG_REISERFS_FS) += reiserfs/ ++obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3 ++obj-$(CONFIG_EXT2_FS) += ext2/ ++# We place ext4 after ext2 so plain ext2 root fs's are mounted using ext2 ++# unless explicitly requested by rootfstype ++obj-$(CONFIG_EXT4_FS) += ext4/ ++obj-$(CONFIG_JBD) += jbd/ ++obj-$(CONFIG_JBD2) += jbd2/ ++obj-$(CONFIG_CRAMFS) += cramfs/ ++obj-$(CONFIG_SQUASHFS) += squashfs/ ++obj-y += ramfs/ ++obj-$(CONFIG_HUGETLBFS) += hugetlbfs/ ++obj-$(CONFIG_CODA_FS) += coda/ ++obj-$(CONFIG_MINIX_FS) += minix/ ++obj-$(CONFIG_FAT_FS) += fat/ ++obj-$(CONFIG_BFS_FS) += bfs/ ++obj-$(CONFIG_ISO9660_FS) += isofs/ ++obj-$(CONFIG_HFSPLUS_FS) += hfsplus/ # Before hfs to find wrapped HFS+ ++obj-$(CONFIG_HFS_FS) += hfs/ ++obj-$(CONFIG_ECRYPT_FS) += ecryptfs/ ++obj-$(CONFIG_VXFS_FS) += freevxfs/ ++obj-$(CONFIG_NFS_FS) += nfs/ ++obj-$(CONFIG_EXPORTFS) += exportfs/ ++obj-$(CONFIG_NFSD) += nfsd/ ++obj-$(CONFIG_LOCKD) += lockd/ ++obj-$(CONFIG_NLS) += nls/ ++obj-$(CONFIG_SYSV_FS) += sysv/ ++obj-$(CONFIG_CIFS) += cifs/ ++obj-$(CONFIG_NCP_FS) += ncpfs/ ++obj-$(CONFIG_HPFS_FS) += hpfs/ ++obj-$(CONFIG_NTFS_FS) += ntfs/ ++obj-$(CONFIG_UFS_FS) += ufs/ ++obj-$(CONFIG_EFS_FS) += efs/ ++obj-$(CONFIG_JFFS2_FS) += jffs2/ ++obj-$(CONFIG_LOGFS) += logfs/ ++obj-$(CONFIG_UBIFS_FS) += ubifs/ ++obj-$(CONFIG_AFFS_FS) += affs/ ++obj-$(CONFIG_ROMFS_FS) += romfs/ ++obj-$(CONFIG_QNX4FS_FS) += qnx4/ ++obj-$(CONFIG_QNX6FS_FS) += qnx6/ ++obj-$(CONFIG_AUTOFS4_FS) += autofs4/ ++obj-$(CONFIG_ADFS_FS) += adfs/ ++obj-$(CONFIG_FUSE_FS) += fuse/ ++obj-$(CONFIG_UDF_FS) += udf/ ++obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/ ++obj-$(CONFIG_OMFS_FS) += omfs/ ++obj-$(CONFIG_JFS_FS) += jfs/ ++obj-$(CONFIG_XFS_FS) += xfs/ ++obj-$(CONFIG_9P_FS) += 9p/ ++obj-$(CONFIG_AFS_FS) += afs/ ++obj-$(CONFIG_NILFS2_FS) += nilfs2/ ++obj-$(CONFIG_BEFS_FS) += befs/ ++obj-$(CONFIG_HOSTFS) += hostfs/ ++obj-$(CONFIG_HPPFS) += hppfs/ ++obj-$(CONFIG_CACHEFILES) += cachefiles/ ++obj-$(CONFIG_DEBUG_FS) += debugfs/ ++obj-$(CONFIG_OCFS2_FS) += ocfs2/ ++obj-$(CONFIG_BTRFS_FS) += btrfs/ ++obj-$(CONFIG_GFS2_FS) += gfs2/ ++obj-$(CONFIG_F2FS_FS) += f2fs/ ++obj-y += exofs/ # Multiple modules ++obj-$(CONFIG_CEPH_FS) += ceph/ ++obj-$(CONFIG_PSTORE) += pstore/ ++obj-$(CONFIG_EFIVAR_FS) += efivarfs/ +diff -Nur linux-3.14.4.orig/fs/yaffs2/Kconfig linux-3.14.4/fs/yaffs2/Kconfig +--- linux-3.14.4.orig/fs/yaffs2/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/yaffs2/Kconfig 2014-05-14 12:41:23.868792075 +0200 +@@ -0,0 +1,171 @@ ++# ++# yaffs file system configurations ++# ++ ++config YAFFS_FS ++ tristate "yaffs2 file system support" ++ default n ++ depends on MTD_BLOCK ++ select YAFFS_YAFFS1 ++ select YAFFS_YAFFS2 ++ help ++ yaffs2, or Yet Another Flash File System, is a file system ++ optimised for NAND Flash chips. ++ ++ To compile the yaffs2 file system support as a module, choose M ++ here: the module will be called yaffs2. ++ ++ If unsure, say N. ++ ++ Further information on yaffs2 is available at ++ <http://www.aleph1.co.uk/yaffs/>. ++ ++config YAFFS_YAFFS1 ++ bool "512 byte / page devices" ++ depends on YAFFS_FS ++ default y ++ help ++ Enable yaffs1 support -- yaffs for 512 byte / page devices ++ ++ Not needed for 2K-page devices. ++ ++ If unsure, say Y. ++ ++config YAFFS_9BYTE_TAGS ++ bool "Use older-style on-NAND data format with pageStatus byte" ++ depends on YAFFS_YAFFS1 ++ default n ++ help ++ ++ Older-style on-NAND data format has a "pageStatus" byte to record ++ chunk/page state. This byte is zero when the page is discarded. ++ Choose this option if you have existing on-NAND data using this ++ format that you need to continue to support. New data written ++ also uses the older-style format. Note: Use of this option ++ generally requires that MTD's oob layout be adjusted to use the ++ older-style format. See notes on tags formats and MTD versions ++ in yaffs_mtdif1.c. ++ ++ If unsure, say N. ++ ++config YAFFS_DOES_ECC ++ bool "Lets yaffs do its own ECC" ++ depends on YAFFS_FS && YAFFS_YAFFS1 && !YAFFS_9BYTE_TAGS ++ default n ++ help ++ This enables yaffs to use its own ECC functions instead of using ++ the ones from the generic MTD-NAND driver. ++ ++ If unsure, say N. ++ ++config YAFFS_ECC_WRONG_ORDER ++ bool "Use the same ecc byte order as Steven Hill's nand_ecc.c" ++ depends on YAFFS_FS && YAFFS_DOES_ECC && !YAFFS_9BYTE_TAGS ++ default n ++ help ++ This makes yaffs_ecc.c use the same ecc byte order as Steven ++ Hill's nand_ecc.c. If not set, then you get the same ecc byte ++ order as SmartMedia. ++ ++ If unsure, say N. ++ ++config YAFFS_YAFFS2 ++ bool "2048 byte (or larger) / page devices" ++ depends on YAFFS_FS ++ default y ++ help ++ Enable yaffs2 support -- yaffs for >= 2K bytes per page devices ++ ++ If unsure, say Y. ++ ++config YAFFS_AUTO_YAFFS2 ++ bool "Autoselect yaffs2 format" ++ depends on YAFFS_YAFFS2 ++ default y ++ help ++ Without this, you need to explicitely use yaffs2 as the file ++ system type. With this, you can say "yaffs" and yaffs or yaffs2 ++ will be used depending on the device page size (yaffs on ++ 512-byte page devices, yaffs2 on 2K page devices). ++ ++ If unsure, say Y. ++ ++config YAFFS_DISABLE_TAGS_ECC ++ bool "Disable yaffs from doing ECC on tags by default" ++ depends on YAFFS_FS && YAFFS_YAFFS2 ++ default n ++ help ++ This defaults yaffs to using its own ECC calculations on tags instead of ++ just relying on the MTD. ++ This behavior can also be overridden with tags_ecc_on and ++ tags_ecc_off mount options. ++ ++ If unsure, say N. ++ ++config YAFFS_ALWAYS_CHECK_CHUNK_ERASED ++ bool "Force chunk erase check" ++ depends on YAFFS_FS ++ default n ++ help ++ Normally yaffs only checks chunks before writing until an erased ++ chunk is found. This helps to detect any partially written ++ chunks that might have happened due to power loss. ++ ++ Enabling this forces on the test that chunks are erased in flash ++ before writing to them. This takes more time but is potentially ++ a bit more secure. ++ ++ Suggest setting Y during development and ironing out driver ++ issues etc. Suggest setting to N if you want faster writing. ++ ++ If unsure, say Y. ++ ++config YAFFS_EMPTY_LOST_AND_FOUND ++ bool "Empty lost and found on boot" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is enabled then the contents of lost and found is ++ automatically dumped at mount. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BLOCK_REFRESHING ++ bool "Disable yaffs2 block refreshing" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is set, then block refreshing is disabled. ++ Block refreshing infrequently refreshes the oldest block in ++ a yaffs2 file system. This mechanism helps to refresh flash to ++ mitigate against data loss. This is particularly useful for MLC. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BACKGROUND ++ bool "Disable yaffs2 background processing" ++ depends on YAFFS_FS ++ default n ++ help ++ If this is set, then background processing is disabled. ++ Background processing makes many foreground activities faster. ++ ++ If unsure, say N. ++ ++config YAFFS_DISABLE_BAD_BLOCK_MARKING ++ bool "Disable yaffs2 bad block marking" ++ depends on YAFFS_FS ++ default n ++ help ++ Useful during early flash bring up to prevent problems causing ++ lots of bad block marking. ++ ++ If unsure, say N. ++ ++config YAFFS_XATTR ++ bool "Enable yaffs2 xattr support" ++ depends on YAFFS_FS ++ default y ++ help ++ If this is set then yaffs2 will provide xattr support. ++ If unsure, say Y. +diff -Nur linux-3.14.4.orig/fs/yaffs2/Makefile linux-3.14.4/fs/yaffs2/Makefile +--- linux-3.14.4.orig/fs/yaffs2/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/yaffs2/Makefile 2014-05-14 12:41:23.868792075 +0200 +@@ -0,0 +1,18 @@ ++# ++# Makefile for the linux YAFFS filesystem routines. ++# ++ ++obj-$(CONFIG_YAFFS_FS) += yaffs.o ++ ++yaffs-y := yaffs_ecc.o yaffs_vfs.o yaffs_guts.o yaffs_checkptrw.o ++yaffs-y += yaffs_packedtags1.o yaffs_packedtags2.o yaffs_nand.o ++yaffs-y += yaffs_tagscompat.o yaffs_tagsmarshall.o ++yaffs-y += yaffs_mtdif.o ++yaffs-y += yaffs_nameval.o yaffs_attribs.o ++yaffs-y += yaffs_allocator.o ++yaffs-y += yaffs_yaffs1.o ++yaffs-y += yaffs_yaffs2.o ++yaffs-y += yaffs_bitmap.o ++yaffs-y += yaffs_summary.o ++yaffs-y += yaffs_verify.o ++ +diff -Nur linux-3.14.4.orig/fs/yaffs2/yaffs_allocator.c linux-3.14.4/fs/yaffs2/yaffs_allocator.c +--- linux-3.14.4.orig/fs/yaffs2/yaffs_allocator.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/yaffs2/yaffs_allocator.c 2014-05-14 12:41:23.872792088 +0200 +@@ -0,0 +1,357 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_allocator.h" ++#include "yaffs_guts.h" ++#include "yaffs_trace.h" ++#include "yportenv.h" ++ ++/* ++ * Each entry in yaffs_tnode_list and yaffs_obj_list hold blocks ++ * of approx 100 objects that are themn allocated singly. ++ * This is basically a simplified slab allocator. ++ * ++ * We don't use the Linux slab allocator because slab does not allow ++ * us to dump all the objects in one hit when we do a umount and tear ++ * down all the tnodes and objects. slab requires that we first free ++ * the individual objects. ++ * ++ * Once yaffs has been mainlined I shall try to motivate for a change ++ * to slab to provide the extra features we need here. ++ */ ++ ++struct yaffs_tnode_list { ++ struct yaffs_tnode_list *next; ++ struct yaffs_tnode *tnodes; ++}; ++ ++struct yaffs_obj_list { ++ struct yaffs_obj_list *next; ++ struct yaffs_obj *objects; ++}; ++ ++struct yaffs_allocator { ++ int n_tnodes_created; ++ struct yaffs_tnode *free_tnodes; ++ int n_free_tnodes; ++ struct yaffs_tnode_list *alloc_tnode_list; ++ ++ int n_obj_created; ++ struct list_head free_objs; ++ int n_free_objects; ++ ++ struct yaffs_obj_list *allocated_obj_list; ++}; ++ ++static void yaffs_deinit_raw_tnodes(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = ++ (struct yaffs_allocator *)dev->allocator; ++ struct yaffs_tnode_list *tmp; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ while (allocator->alloc_tnode_list) { ++ tmp = allocator->alloc_tnode_list->next; ++ ++ kfree(allocator->alloc_tnode_list->tnodes); ++ kfree(allocator->alloc_tnode_list); ++ allocator->alloc_tnode_list = tmp; ++ } ++ ++ allocator->free_tnodes = NULL; ++ allocator->n_free_tnodes = 0; ++ allocator->n_tnodes_created = 0; ++} ++ ++static void yaffs_init_raw_tnodes(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ allocator->alloc_tnode_list = NULL; ++ allocator->free_tnodes = NULL; ++ allocator->n_free_tnodes = 0; ++ allocator->n_tnodes_created = 0; ++} ++ ++static int yaffs_create_tnodes(struct yaffs_dev *dev, int n_tnodes) ++{ ++ struct yaffs_allocator *allocator = ++ (struct yaffs_allocator *)dev->allocator; ++ int i; ++ struct yaffs_tnode *new_tnodes; ++ u8 *mem; ++ struct yaffs_tnode *curr; ++ struct yaffs_tnode *next; ++ struct yaffs_tnode_list *tnl; ++ ++ if (!allocator) { ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ ++ if (n_tnodes < 1) ++ return YAFFS_OK; ++ ++ /* make these things */ ++ new_tnodes = kmalloc(n_tnodes * dev->tnode_size, GFP_NOFS); ++ mem = (u8 *) new_tnodes; ++ ++ if (!new_tnodes) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "yaffs: Could not allocate Tnodes"); ++ return YAFFS_FAIL; ++ } ++ ++ /* New hookup for wide tnodes */ ++ for (i = 0; i < n_tnodes - 1; i++) { ++ curr = (struct yaffs_tnode *)&mem[i * dev->tnode_size]; ++ next = (struct yaffs_tnode *)&mem[(i + 1) * dev->tnode_size]; ++ curr->internal[0] = next; ++ } ++ ++ curr = (struct yaffs_tnode *)&mem[(n_tnodes - 1) * dev->tnode_size]; ++ curr->internal[0] = allocator->free_tnodes; ++ allocator->free_tnodes = (struct yaffs_tnode *)mem; ++ ++ allocator->n_free_tnodes += n_tnodes; ++ allocator->n_tnodes_created += n_tnodes; ++ ++ /* Now add this bunch of tnodes to a list for freeing up. ++ * NB If we can't add this to the management list it isn't fatal ++ * but it just means we can't free this bunch of tnodes later. ++ */ ++ tnl = kmalloc(sizeof(struct yaffs_tnode_list), GFP_NOFS); ++ if (!tnl) { ++ yaffs_trace(YAFFS_TRACE_ERROR, ++ "Could not add tnodes to management list"); ++ return YAFFS_FAIL; ++ } else { ++ tnl->tnodes = new_tnodes; ++ tnl->next = allocator->alloc_tnode_list; ++ allocator->alloc_tnode_list = tnl; ++ } ++ ++ yaffs_trace(YAFFS_TRACE_ALLOCATE, "Tnodes added"); ++ ++ return YAFFS_OK; ++} ++ ++struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = ++ (struct yaffs_allocator *)dev->allocator; ++ struct yaffs_tnode *tn = NULL; ++ ++ if (!allocator) { ++ BUG(); ++ return NULL; ++ } ++ ++ /* If there are none left make more */ ++ if (!allocator->free_tnodes) ++ yaffs_create_tnodes(dev, YAFFS_ALLOCATION_NTNODES); ++ ++ if (allocator->free_tnodes) { ++ tn = allocator->free_tnodes; ++ allocator->free_tnodes = allocator->free_tnodes->internal[0]; ++ allocator->n_free_tnodes--; ++ } ++ ++ return tn; ++} ++ ++/* FreeTnode frees up a tnode and puts it back on the free list */ ++void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ if (tn) { ++ tn->internal[0] = allocator->free_tnodes; ++ allocator->free_tnodes = tn; ++ allocator->n_free_tnodes++; ++ } ++ dev->checkpoint_blocks_required = 0; /* force recalculation */ ++} ++ ++/*--------------- yaffs_obj alloaction ------------------------ ++ * ++ * Free yaffs_objs are stored in a list using obj->siblings. ++ * The blocks of allocated objects are stored in a linked list. ++ */ ++ ++static void yaffs_init_raw_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ allocator->allocated_obj_list = NULL; ++ INIT_LIST_HEAD(&allocator->free_objs); ++ allocator->n_free_objects = 0; ++} ++ ++static void yaffs_deinit_raw_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ struct yaffs_obj_list *tmp; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ while (allocator->allocated_obj_list) { ++ tmp = allocator->allocated_obj_list->next; ++ kfree(allocator->allocated_obj_list->objects); ++ kfree(allocator->allocated_obj_list); ++ allocator->allocated_obj_list = tmp; ++ } ++ ++ INIT_LIST_HEAD(&allocator->free_objs); ++ allocator->n_free_objects = 0; ++ allocator->n_obj_created = 0; ++} ++ ++static int yaffs_create_free_objs(struct yaffs_dev *dev, int n_obj) ++{ ++ struct yaffs_allocator *allocator = dev->allocator; ++ int i; ++ struct yaffs_obj *new_objs; ++ struct yaffs_obj_list *list; ++ ++ if (!allocator) { ++ BUG(); ++ return YAFFS_FAIL; ++ } ++ ++ if (n_obj < 1) ++ return YAFFS_OK; ++ ++ /* make these things */ ++ new_objs = kmalloc(n_obj * sizeof(struct yaffs_obj), GFP_NOFS); ++ list = kmalloc(sizeof(struct yaffs_obj_list), GFP_NOFS); ++ ++ if (!new_objs || !list) { ++ kfree(new_objs); ++ new_objs = NULL; ++ kfree(list); ++ list = NULL; ++ yaffs_trace(YAFFS_TRACE_ALLOCATE, ++ "Could not allocate more objects"); ++ return YAFFS_FAIL; ++ } ++ ++ /* Hook them into the free list */ ++ for (i = 0; i < n_obj; i++) ++ list_add(&new_objs[i].siblings, &allocator->free_objs); ++ ++ allocator->n_free_objects += n_obj; ++ allocator->n_obj_created += n_obj; ++ ++ /* Now add this bunch of Objects to a list for freeing up. */ ++ ++ list->objects = new_objs; ++ list->next = allocator->allocated_obj_list; ++ allocator->allocated_obj_list = list; ++ ++ return YAFFS_OK; ++} ++ ++struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev) ++{ ++ struct yaffs_obj *obj = NULL; ++ struct list_head *lh; ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return obj; ++ } ++ ++ /* If there are none left make more */ ++ if (list_empty(&allocator->free_objs)) ++ yaffs_create_free_objs(dev, YAFFS_ALLOCATION_NOBJECTS); ++ ++ if (!list_empty(&allocator->free_objs)) { ++ lh = allocator->free_objs.next; ++ obj = list_entry(lh, struct yaffs_obj, siblings); ++ list_del_init(lh); ++ allocator->n_free_objects--; ++ } ++ ++ return obj; ++} ++ ++void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj) ++{ ++ ++ struct yaffs_allocator *allocator = dev->allocator; ++ ++ if (!allocator) { ++ BUG(); ++ return; ++ } ++ ++ /* Link into the free list. */ ++ list_add(&obj->siblings, &allocator->free_objs); ++ allocator->n_free_objects++; ++} ++ ++void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev) ++{ ++ ++ if (!dev->allocator) { ++ BUG(); ++ return; ++ } ++ ++ yaffs_deinit_raw_tnodes(dev); ++ yaffs_deinit_raw_objs(dev); ++ kfree(dev->allocator); ++ dev->allocator = NULL; ++} ++ ++void yaffs_init_raw_tnodes_and_objs(struct yaffs_dev *dev) ++{ ++ struct yaffs_allocator *allocator; ++ ++ if (dev->allocator) { ++ BUG(); ++ return; ++ } ++ ++ allocator = kmalloc(sizeof(struct yaffs_allocator), GFP_NOFS); ++ if (allocator) { ++ dev->allocator = allocator; ++ yaffs_init_raw_tnodes(dev); ++ yaffs_init_raw_objs(dev); ++ } ++} ++ +diff -Nur linux-3.14.4.orig/fs/yaffs2/yaffs_allocator.h linux-3.14.4/fs/yaffs2/yaffs_allocator.h +--- linux-3.14.4.orig/fs/yaffs2/yaffs_allocator.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/yaffs2/yaffs_allocator.h 2014-05-14 12:41:23.872792088 +0200 +@@ -0,0 +1,30 @@ ++/* ++ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU Lesser General Public License version 2.1 as ++ * published by the Free Software Foundation. ++ * ++ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. ++ */ ++ ++#ifndef __YAFFS_ALLOCATOR_H__ ++#define __YAFFS_ALLOCATOR_H__ ++ ++#include "yaffs_guts.h" ++ ++void yaffs_init_raw_tnodes_and_objs(struct yaffs_dev *dev); ++void yaffs_deinit_raw_tnodes_and_objs(struct yaffs_dev *dev); ++ ++struct yaffs_tnode *yaffs_alloc_raw_tnode(struct yaffs_dev *dev); ++void yaffs_free_raw_tnode(struct yaffs_dev *dev, struct yaffs_tnode *tn); ++ ++struct yaffs_obj *yaffs_alloc_raw_obj(struct yaffs_dev *dev); ++void yaffs_free_raw_obj(struct yaffs_dev *dev, struct yaffs_obj *obj); ++ ++#endif +diff -Nur linux-3.14.4.orig/fs/yaffs2/yaffs_attribs.c linux-3.14.4/fs/yaffs2/yaffs_attribs.c +--- linux-3.14.4.orig/fs/yaffs2/yaffs_attribs.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-3.14.4/fs/yaffs2/yaffs_attribs.c 2014-05-14 12:41:23.872792088 +0200 +@@ -0,0 +1,166 @@ ++/* ++ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. ++ * ++ * Copyright (C) 2002-2011 Aleph One Ltd. ++ * for Toby Churchill Ltd and Brightstar Engineering ++ * ++ * Created by Charles Manning <charles@aleph1.co.uk> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include "yaffs_guts.h" ++#include "yaffs_attribs.h" ++ ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) ++static inline uid_t ia_uid_read(const struct iattr *iattr) ++{ ++ return from_kuid(&init_user_ns, iattr->ia_uid); ++} ++ ++static inline gid_t ia_gid_read(const struct iattr *iattr) ++{ ++ return from_kgid(&init_user_ns, iattr->ia_gid); ++} ++ ++static inline void ia_uid_write(struct iattr *iattr, uid_t uid) ++{ ++ iattr->ia_uid = make_kuid(&init_user_ns, uid); ++} ++ ++static inline void ia_gid_write(struct iattr *iattr, gid_t gid) ++{ ++ iattr->ia_gid = make_kgid(&init_user_ns, gid); ++} ++#else ++static inline uid_t ia_uid_read(const struct iattr *iattr) ++{ ++ return iattr->ia_uid; ++} ++ ++static inline gid_t ia_gid_read(const struct iattr *inode) ++{ ++ return iattr->ia_gid; ++} ++ ++static inline void ia_uid_write(struct iattr *iattr, uid_t uid) ++{ ++ iattr->ia_uid = uid; ++} ++ ++static inline void ia_gid_write(struct iattr *iattr, gid_t gid) ++{ ++ iattr->ia_gid = gid; ++} ++#endif ++ ++void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh) ++{ ++ obj->yst_uid = oh->yst_uid; ++ obj->yst_gid = oh->yst_gid; ++ obj->yst_atime = oh->yst_atime; ++ obj->yst_mtime = oh->yst_mtime; ++ obj->yst_ctime = oh->yst_ctime; ++ obj->yst_rdev = oh->yst_rdev; ++} ++ ++void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj) ++{ ++ oh->yst_uid = obj->yst_uid; ++ oh->yst_gid = obj->yst_gid; ++ oh->yst_atime = obj->yst_atime; ++ oh->yst_mtime = obj->yst_mtime; ++ oh->yst_ctime = obj->yst_ctime; ++ oh->yst_rdev = obj->yst_rdev; ++ ++} ++ ++void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c) ++{ ++ obj->yst_mtime = Y_CURRENT_TIME; ++ if (do_a) ++ obj->yst_atime = obj->yst_mtime; ++ if (do_c) ++ obj->yst_ctime = obj->yst_mtime; ++} ++ ++void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev) ++{ ++ yaffs_load_current_time(obj, 1, 1); ++ obj->yst_rdev = rdev; ++ obj->yst_uid = uid; ++ obj->yst_gid = gid; ++} ++ ++static loff_t yaffs_get_file_size(struct yaffs_obj *obj) ++{ ++ YCHAR *alias = NULL; ++ obj = yaffs_get_equivalent_obj(obj); ++ ++ switch (obj->variant_type) { ++ case YAFFS_OBJECT_TYPE_FILE: ++ return obj->variant.file_variant.file_size; ++ case YAFFS_OBJECT_TYPE_SYMLINK: ++ alias = obj->variant.symlink_variant.alias; |