[RFC] fs: move super_block and inode definitions to central fs.h header
Yegor Yefremov
yegorslists at googlemail.com
Sun Jan 24 11:24:16 PST 2016
Both super_block and inode are common to various file systems, so
move them to the central place.
Signed-off-by: Yegor Yefremov <yegorslists at googlemail.com>
---
fs/ubifs/ubifs.h | 134 +------------------------------------------------------
include/fs.h | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 135 insertions(+), 133 deletions(-)
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index c025d34..afed252 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -34,6 +34,7 @@
#include <common.h>
#include <malloc.h>
#include <lzo.h>
+#include <fs.h>
#include <linux/ctype.h>
#include <linux/time.h>
#include <linux/math64.h>
@@ -77,13 +78,6 @@ void iput(struct inode *inode);
#define atomic_long_dec(a)
#define atomic_long_sub(a, b)
-/* linux/include/time.h */
-
-struct timespec {
- time_t tv_sec; /* seconds */
- long tv_nsec; /* nanoseconds */
-};
-
/* linux/include/dcache.h */
/*
@@ -99,132 +93,6 @@ 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/fs.h b/include/fs.h
index ee7e48b..a5e48a2 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -3,6 +3,7 @@
#include <driver.h>
#include <filetype.h>
+#include <linux/barebox-wrapper.h>
#define PATH_MAX 1024 /* include/linux/limits.h */
@@ -10,6 +11,139 @@ struct partition;
struct node_d;
struct stat;
+/* linux/include/time.h */
+
+struct timespec {
+ time_t tv_sec; /* seconds */
+ long tv_nsec; /* nanoseconds */
+};
+
+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 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 dirent {
char d_name[256];
};
--
2.1.4
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