* [PATCH 2/3] fs: introduce include/linux/fs.h
2016-01-26 10:38 [PATCH 1/3] fs: move struct timespec to include/linux/time.h yegorslists
@ 2016-01-26 10:38 ` yegorslists
2016-01-26 10:38 ` [PATCH 3/3] fs: import magic.h from Linux kernel yegorslists
2016-01-26 21:57 ` [PATCH 1/3] fs: move struct timespec to include/linux/time.h Sascha Hauer
2 siblings, 0 replies; 4+ messages in thread
From: yegorslists @ 2016-01-26 10:38 UTC (permalink / raw)
To: barebox
From: Yegor Yefremov <yegorslists@googlemail.com>
Move Linux file system structs from UBIFS to central place.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
fs/ubifs/ubifs.h | 128 +--------------------------------------------------
include/linux/fs.h | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 134 insertions(+), 127 deletions(-)
create mode 100644 include/linux/fs.h
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 6b7139c..2d0cd4c 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -34,8 +34,8 @@
#include <common.h>
#include <malloc.h>
#include <lzo.h>
+#include <linux/fs.h>
#include <linux/ctype.h>
-#include <linux/time.h>
#include <linux/math64.h>
#include <linux/rbtree.h>
#include <linux/err.h>
@@ -92,132 +92,6 @@ struct qstr {
const char *name;
};
-struct inode {
- struct hlist_node i_hash;
- struct list_head i_list;
- struct list_head i_sb_list;
- struct list_head i_dentry;
- unsigned long i_ino;
- unsigned int i_nlink;
- uid_t i_uid;
- gid_t i_gid;
- dev_t i_rdev;
- u64 i_version;
- loff_t i_size;
-#ifdef __NEED_I_SIZE_ORDERED
- seqcount_t i_size_seqcount;
-#endif
- struct timespec i_atime;
- struct timespec i_mtime;
- struct timespec i_ctime;
- unsigned int i_blkbits;
- unsigned short i_bytes;
- umode_t i_mode;
- spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
- struct mutex i_mutex;
- struct rw_semaphore i_alloc_sem;
- const struct inode_operations *i_op;
- const struct file_operations *i_fop; /* former ->i_op->default_file_ops */
- struct super_block *i_sb;
- struct file_lock *i_flock;
-#ifdef CONFIG_QUOTA
- struct dquot *i_dquot[MAXQUOTAS];
-#endif
- struct list_head i_devices;
- int i_cindex;
-
- __u32 i_generation;
-
-#ifdef CONFIG_DNOTIFY
- unsigned long i_dnotify_mask; /* Directory notify events */
- struct dnotify_struct *i_dnotify; /* for directory notifications */
-#endif
-
-#ifdef CONFIG_INOTIFY
- struct list_head inotify_watches; /* watches on this inode */
- struct mutex inotify_mutex; /* protects the watches list */
-#endif
-
- unsigned long i_state;
- unsigned long dirtied_when; /* jiffies of first dirtying */
-
- unsigned int i_flags;
-
-#ifdef CONFIG_SECURITY
- void *i_security;
-#endif
- void *i_private; /* fs or device private pointer */
-};
-
-struct super_block {
- struct list_head s_list; /* Keep this first */
- dev_t s_dev; /* search index; _not_ kdev_t */
- unsigned long s_blocksize;
- unsigned char s_blocksize_bits;
- unsigned char s_dirt;
- unsigned long long s_maxbytes; /* Max file size */
- struct file_system_type *s_type;
- const struct super_operations *s_op;
- struct dquot_operations *dq_op;
- struct quotactl_ops *s_qcop;
- const struct export_operations *s_export_op;
- unsigned long s_flags;
- unsigned long s_magic;
- struct dentry *s_root;
- struct rw_semaphore s_umount;
- struct mutex s_lock;
- int s_count;
- int s_syncing;
- int s_need_sync_fs;
-#ifdef CONFIG_SECURITY
- void *s_security;
-#endif
- struct xattr_handler **s_xattr;
-
- struct list_head s_inodes; /* all inodes */
- struct list_head s_dirty; /* dirty inodes */
- struct list_head s_io; /* parked for writeback */
- struct list_head s_more_io; /* parked for more writeback */
- struct hlist_head s_anon; /* anonymous dentries for (nfs) exporting */
- struct list_head s_files;
- /* s_dentry_lru and s_nr_dentry_unused are protected by dcache_lock */
- struct list_head s_dentry_lru; /* unused dentry lru */
- int s_nr_dentry_unused; /* # of dentry on lru */
-
- struct block_device *s_bdev;
- struct mtd_info *s_mtd;
- struct list_head s_instances;
-
- int s_frozen;
- wait_queue_head_t s_wait_unfrozen;
-
- char s_id[32]; /* Informational name */
-
- void *s_fs_info; /* Filesystem private info */
-
- /*
- * The next field is for VFS *only*. No filesystems have any business
- * even looking at it. You had been warned.
- */
- struct mutex s_vfs_rename_mutex; /* Kludge */
-
- /* Granularity of c/m/atime in ns.
- Cannot be worse than a second */
- u32 s_time_gran;
-
- /*
- * Filesystem subtype. If non-empty the filesystem type field
- * in /proc/mounts will be "type.subtype"
- */
- char *s_subtype;
-
- /*
- * Saved mount options for lazy filesystems using
- * generic_show_options()
- */
- char *s_options;
-};
-
struct file_system_type {
const char *name;
int fs_flags;
diff --git a/include/linux/fs.h b/include/linux/fs.h
new file mode 100644
index 0000000..9db334c
--- /dev/null
+++ b/include/linux/fs.h
@@ -0,0 +1,133 @@
+#ifndef _LINUX_FS_H
+#define _LINUX_FS_H
+
+#include <linux/barebox-wrapper.h>
+#include <linux/list.h>
+#include <linux/time.h>
+
+struct inode {
+ struct hlist_node i_hash;
+ struct list_head i_list;
+ struct list_head i_sb_list;
+ struct list_head i_dentry;
+ unsigned long i_ino;
+ unsigned int i_nlink;
+ uid_t i_uid;
+ gid_t i_gid;
+ dev_t i_rdev;
+ u64 i_version;
+ loff_t i_size;
+#ifdef __NEED_I_SIZE_ORDERED
+ seqcount_t i_size_seqcount;
+#endif
+ struct timespec i_atime;
+ struct timespec i_mtime;
+ struct timespec i_ctime;
+ unsigned int i_blkbits;
+ unsigned short i_bytes;
+ umode_t i_mode;
+ spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
+ struct mutex i_mutex;
+ struct rw_semaphore i_alloc_sem;
+ const struct inode_operations *i_op;
+ const struct file_operations *i_fop; /* former ->i_op->default_file_ops */
+ struct super_block *i_sb;
+ struct file_lock *i_flock;
+#ifdef CONFIG_QUOTA
+ struct dquot *i_dquot[MAXQUOTAS];
+#endif
+ struct list_head i_devices;
+ int i_cindex;
+
+ __u32 i_generation;
+
+#ifdef CONFIG_DNOTIFY
+ unsigned long i_dnotify_mask; /* Directory notify events */
+ struct dnotify_struct *i_dnotify; /* for directory notifications */
+#endif
+
+#ifdef CONFIG_INOTIFY
+ struct list_head inotify_watches; /* watches on this inode */
+ struct mutex inotify_mutex; /* protects the watches list */
+#endif
+
+ unsigned long i_state;
+ unsigned long dirtied_when; /* jiffies of first dirtying */
+
+ unsigned int i_flags;
+
+#ifdef CONFIG_SECURITY
+ void *i_security;
+#endif
+ void *i_private; /* fs or device private pointer */
+};
+
+struct super_block {
+ struct list_head s_list; /* Keep this first */
+ dev_t s_dev; /* search index; _not_ kdev_t */
+ unsigned long s_blocksize;
+ unsigned char s_blocksize_bits;
+ unsigned char s_dirt;
+ unsigned long long s_maxbytes; /* Max file size */
+ struct file_system_type *s_type;
+ const struct super_operations *s_op;
+ struct dquot_operations *dq_op;
+ struct quotactl_ops *s_qcop;
+ const struct export_operations *s_export_op;
+ unsigned long s_flags;
+ unsigned long s_magic;
+ struct dentry *s_root;
+ struct rw_semaphore s_umount;
+ struct mutex s_lock;
+ int s_count;
+ int s_syncing;
+ int s_need_sync_fs;
+#ifdef CONFIG_SECURITY
+ void *s_security;
+#endif
+ struct xattr_handler **s_xattr;
+
+ struct list_head s_inodes; /* all inodes */
+ struct list_head s_dirty; /* dirty inodes */
+ struct list_head s_io; /* parked for writeback */
+ struct list_head s_more_io; /* parked for more writeback */
+ struct hlist_head s_anon; /* anonymous dentries for (nfs) exporting */
+ struct list_head s_files;
+ /* s_dentry_lru and s_nr_dentry_unused are protected by dcache_lock */
+ struct list_head s_dentry_lru; /* unused dentry lru */
+ int s_nr_dentry_unused; /* # of dentry on lru */
+
+ struct block_device *s_bdev;
+ struct mtd_info *s_mtd;
+ struct list_head s_instances;
+
+ int s_frozen;
+ wait_queue_head_t s_wait_unfrozen;
+
+ char s_id[32]; /* Informational name */
+
+ void *s_fs_info; /* Filesystem private info */
+
+ /*
+ * The next field is for VFS *only*. No filesystems have any business
+ * even looking at it. You had been warned.
+ */
+ struct mutex s_vfs_rename_mutex; /* Kludge */
+
+ /* Granularity of c/m/atime in ns.
+ Cannot be worse than a second */
+ u32 s_time_gran;
+
+ /*
+ * Filesystem subtype. If non-empty the filesystem type field
+ * in /proc/mounts will be "type.subtype"
+ */
+ char *s_subtype;
+
+ /*
+ * Saved mount options for lazy filesystems using
+ * generic_show_options()
+ */
+ char *s_options;
+};
+#endif /* _LINUX_FS_H */
--
2.1.4
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^ permalink raw reply [flat|nested] 4+ messages in thread* [PATCH 3/3] fs: import magic.h from Linux kernel
2016-01-26 10:38 [PATCH 1/3] fs: move struct timespec to include/linux/time.h yegorslists
2016-01-26 10:38 ` [PATCH 2/3] fs: introduce include/linux/fs.h yegorslists
@ 2016-01-26 10:38 ` yegorslists
2016-01-26 21:57 ` [PATCH 1/3] fs: move struct timespec to include/linux/time.h Sascha Hauer
2 siblings, 0 replies; 4+ messages in thread
From: yegorslists @ 2016-01-26 10:38 UTC (permalink / raw)
To: barebox
From: Yegor Yefremov <yegorslists@googlemail.com>
include/linux/magic.h provides MAGIC numbers for various
file systems.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
fs/cramfs/cramfs.c | 1 +
fs/ext4/ext4_common.c | 3 +-
fs/ext4/ext_common.h | 2 --
include/cramfs/cramfs_fs.h | 1 -
include/linux/magic.h | 82 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 85 insertions(+), 4 deletions(-)
create mode 100644 include/linux/magic.h
diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
index 97f028a..988fa7e 100644
--- a/fs/cramfs/cramfs.c
+++ b/fs/cramfs/cramfs.c
@@ -34,6 +34,7 @@
#include <asm/byteorder.h>
#include <linux/stat.h>
+#include <linux/magic.h>
#include <cramfs/cramfs_fs.h>
/* These two macros may change in future, to provide better st_ino
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index 04b1915..590f54d 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -32,6 +32,7 @@
#include <malloc.h>
#include <linux/stat.h>
#include <linux/time.h>
+#include <linux/magic.h>
#include <asm/byteorder.h>
#include <dma.h>
@@ -499,7 +500,7 @@ int ext4fs_mount(struct ext_filesystem *fs)
goto fail;
/* Make sure this is an ext2 filesystem. */
- if (__le16_to_cpu(data->sblock.magic) != EXT2_MAGIC) {
+ if (__le16_to_cpu(data->sblock.magic) != EXT2_SUPER_MAGIC) {
ret = -EINVAL;
goto fail;
}
diff --git a/fs/ext4/ext_common.h b/fs/ext4/ext_common.h
index 517a1c1..704d8e6 100644
--- a/fs/ext4/ext_common.h
+++ b/fs/ext4/ext_common.h
@@ -33,8 +33,6 @@
#define SECTOR_SIZE 0x200
#define SECTOR_BITS 9
-/* Magic value used to identify an ext2 filesystem. */
-#define EXT2_MAGIC 0xEF53
/* Amount of indirect blocks in an inode. */
#define INDIRECT_BLOCKS 12
/* Maximum lenght of a pathname. */
diff --git a/include/cramfs/cramfs_fs.h b/include/cramfs/cramfs_fs.h
index 8c53fc7..d2b67c5 100644
--- a/include/cramfs/cramfs_fs.h
+++ b/include/cramfs/cramfs_fs.h
@@ -1,7 +1,6 @@
#ifndef __CRAMFS_H
#define __CRAMFS_H
-#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_SIGNATURE "Compressed ROMFS"
/*
diff --git a/include/linux/magic.h b/include/linux/magic.h
new file mode 100644
index 0000000..0de181a
--- /dev/null
+++ b/include/linux/magic.h
@@ -0,0 +1,82 @@
+#ifndef __LINUX_MAGIC_H__
+#define __LINUX_MAGIC_H__
+
+#define ADFS_SUPER_MAGIC 0xadf5
+#define AFFS_SUPER_MAGIC 0xadff
+#define AFS_SUPER_MAGIC 0x5346414F
+#define AUTOFS_SUPER_MAGIC 0x0187
+#define CODA_SUPER_MAGIC 0x73757245
+#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
+#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */
+#define DEBUGFS_MAGIC 0x64626720
+#define SECURITYFS_MAGIC 0x73636673
+#define SELINUX_MAGIC 0xf97cff8c
+#define SMACK_MAGIC 0x43415d53 /* "SMAC" */
+#define RAMFS_MAGIC 0x858458f6 /* some random number */
+#define TMPFS_MAGIC 0x01021994
+#define HUGETLBFS_MAGIC 0x958458f6 /* some random number */
+#define SQUASHFS_MAGIC 0x73717368
+#define ECRYPTFS_SUPER_MAGIC 0xf15f
+#define EFS_SUPER_MAGIC 0x414A53
+#define EXT2_SUPER_MAGIC 0xEF53
+#define EXT3_SUPER_MAGIC 0xEF53
+#define XENFS_SUPER_MAGIC 0xabba1974
+#define EXT4_SUPER_MAGIC 0xEF53
+#define BTRFS_SUPER_MAGIC 0x9123683E
+#define NILFS_SUPER_MAGIC 0x3434
+#define F2FS_SUPER_MAGIC 0xF2F52010
+#define HPFS_SUPER_MAGIC 0xf995e849
+#define ISOFS_SUPER_MAGIC 0x9660
+#define JFFS2_SUPER_MAGIC 0x72b6
+#define PSTOREFS_MAGIC 0x6165676C
+#define EFIVARFS_MAGIC 0xde5e81e4
+#define HOSTFS_SUPER_MAGIC 0x00c0ffee
+#define OVERLAYFS_SUPER_MAGIC 0x794c7630
+
+#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */
+#define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */
+#define MINIX2_SUPER_MAGIC 0x2468 /* minix v2 fs, 14 char names */
+#define MINIX2_SUPER_MAGIC2 0x2478 /* minix v2 fs, 30 char names */
+#define MINIX3_SUPER_MAGIC 0x4d5a /* minix v3 fs, 60 char names */
+
+#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
+#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */
+#define NFS_SUPER_MAGIC 0x6969
+#define OPENPROM_SUPER_MAGIC 0x9fa1
+#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
+#define QNX6_SUPER_MAGIC 0x68191122 /* qnx6 fs detection */
+
+#define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */
+ /* used by file system utilities that
+ look at the superblock, etc. */
+#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
+#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
+#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
+
+#define SMB_SUPER_MAGIC 0x517B
+#define CGROUP_SUPER_MAGIC 0x27e0eb
+#define CGROUP2_SUPER_MAGIC 0x63677270
+
+
+#define STACK_END_MAGIC 0x57AC6E9D
+
+#define TRACEFS_MAGIC 0x74726163
+
+#define V9FS_MAGIC 0x01021997
+
+#define BDEVFS_MAGIC 0x62646576
+#define BINFMTFS_MAGIC 0x42494e4d
+#define DEVPTS_SUPER_MAGIC 0x1cd1
+#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
+#define PIPEFS_MAGIC 0x50495045
+#define PROC_SUPER_MAGIC 0x9fa0
+#define SOCKFS_MAGIC 0x534F434B
+#define SYSFS_MAGIC 0x62656572
+#define USBDEVICE_SUPER_MAGIC 0x9fa2
+#define MTD_INODE_FS_MAGIC 0x11307854
+#define ANON_INODE_FS_MAGIC 0x09041934
+#define BTRFS_TEST_MAGIC 0x73727279
+#define NSFS_MAGIC 0x6e736673
+#define BPF_FS_MAGIC 0xcafe4a11
+
+#endif /* __LINUX_MAGIC_H__ */
--
2.1.4
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH 1/3] fs: move struct timespec to include/linux/time.h
2016-01-26 10:38 [PATCH 1/3] fs: move struct timespec to include/linux/time.h yegorslists
2016-01-26 10:38 ` [PATCH 2/3] fs: introduce include/linux/fs.h yegorslists
2016-01-26 10:38 ` [PATCH 3/3] fs: import magic.h from Linux kernel yegorslists
@ 2016-01-26 21:57 ` Sascha Hauer
2 siblings, 0 replies; 4+ messages in thread
From: Sascha Hauer @ 2016-01-26 21:57 UTC (permalink / raw)
To: yegorslists; +Cc: barebox
On Tue, Jan 26, 2016 at 11:38:35AM +0100, yegorslists@googlemail.com wrote:
> From: Yegor Yefremov <yegorslists@googlemail.com>
>
> Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
> ---
> fs/ubifs/ubifs.h | 7 -------
> include/linux/time.h | 5 +++++
> 2 files changed, 5 insertions(+), 7 deletions(-)
Applied, thanks
Sascha
--
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^ permalink raw reply [flat|nested] 4+ messages in thread