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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/jfs/jfs_incore.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/jfs/jfs_incore.h')
-rw-r--r--ANDROID_3.4.5/fs/jfs/jfs_incore.h224
1 files changed, 0 insertions, 224 deletions
diff --git a/ANDROID_3.4.5/fs/jfs/jfs_incore.h b/ANDROID_3.4.5/fs/jfs/jfs_incore.h
deleted file mode 100644
index 584a4a1a..00000000
--- a/ANDROID_3.4.5/fs/jfs/jfs_incore.h
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * Copyright (C) International Business Machines Corp., 2000-2004
- * Portions Copyright (C) Christoph Hellwig, 2001-2002
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef _H_JFS_INCORE
-#define _H_JFS_INCORE
-
-#include <linux/mutex.h>
-#include <linux/rwsem.h>
-#include <linux/slab.h>
-#include <linux/bitops.h>
-#include "jfs_types.h"
-#include "jfs_xtree.h"
-#include "jfs_dtree.h"
-
-/*
- * JFS magic number
- */
-#define JFS_SUPER_MAGIC 0x3153464a /* "JFS1" */
-
-/*
- * JFS-private inode information
- */
-struct jfs_inode_info {
- int fileset; /* fileset number (always 16)*/
- uint mode2; /* jfs-specific mode */
- uint saved_uid; /* saved for uid mount option */
- uint saved_gid; /* saved for gid mount option */
- pxd_t ixpxd; /* inode extent descriptor */
- dxd_t acl; /* dxd describing acl */
- dxd_t ea; /* dxd describing ea */
- time_t otime; /* time created */
- uint next_index; /* next available directory entry index */
- int acltype; /* Type of ACL */
- short btorder; /* access order */
- short btindex; /* btpage entry index*/
- struct inode *ipimap; /* inode map */
- unsigned long cflag; /* commit flags */
- u64 agstart; /* agstart of the containing IAG */
- u16 bxflag; /* xflag of pseudo buffer? */
- unchar pad;
- signed char active_ag; /* ag currently allocating from */
- lid_t blid; /* lid of pseudo buffer? */
- lid_t atlhead; /* anonymous tlock list head */
- lid_t atltail; /* anonymous tlock list tail */
- spinlock_t ag_lock; /* protects active_ag */
- struct list_head anon_inode_list; /* inodes having anonymous txns */
- /*
- * rdwrlock serializes xtree between reads & writes and synchronizes
- * changes to special inodes. It's use would be redundant on
- * directories since the i_mutex taken in the VFS is sufficient.
- */
- struct rw_semaphore rdwrlock;
- /*
- * commit_mutex serializes transaction processing on an inode.
- * It must be taken after beginning a transaction (txBegin), since
- * dirty inodes may be committed while a new transaction on the
- * inode is blocked in txBegin or TxBeginAnon
- */
- struct mutex commit_mutex;
- /* xattr_sem allows us to access the xattrs without taking i_mutex */
- struct rw_semaphore xattr_sem;
- lid_t xtlid; /* lid of xtree lock on directory */
- union {
- struct {
- xtpage_t _xtroot; /* 288: xtree root */
- struct inomap *_imap; /* 4: inode map header */
- } file;
- struct {
- struct dir_table_slot _table[12]; /* 96: dir index */
- dtroot_t _dtroot; /* 288: dtree root */
- } dir;
- struct {
- unchar _unused[16]; /* 16: */
- dxd_t _dxd; /* 16: */
- unchar _inline[128]; /* 128: inline symlink */
- /* _inline_ea may overlay the last part of
- * file._xtroot if maxentry = XTROOTINITSLOT
- */
- unchar _inline_ea[128]; /* 128: inline extended attr */
- } link;
- } u;
- u32 dev; /* will die when we get wide dev_t */
- struct inode vfs_inode;
-};
-#define i_xtroot u.file._xtroot
-#define i_imap u.file._imap
-#define i_dirtable u.dir._table
-#define i_dtroot u.dir._dtroot
-#define i_inline u.link._inline
-#define i_inline_ea u.link._inline_ea
-
-#define IREAD_LOCK(ip, subclass) \
- down_read_nested(&JFS_IP(ip)->rdwrlock, subclass)
-#define IREAD_UNLOCK(ip) up_read(&JFS_IP(ip)->rdwrlock)
-#define IWRITE_LOCK(ip, subclass) \
- down_write_nested(&JFS_IP(ip)->rdwrlock, subclass)
-#define IWRITE_UNLOCK(ip) up_write(&JFS_IP(ip)->rdwrlock)
-
-/*
- * cflag
- */
-enum cflags {
- COMMIT_Nolink, /* inode committed with zero link count */
- COMMIT_Inlineea, /* commit inode inline EA */
- COMMIT_Freewmap, /* free WMAP at iClose() */
- COMMIT_Dirty, /* Inode is really dirty */
- COMMIT_Dirtable, /* commit changes to di_dirtable */
- COMMIT_Stale, /* data extent is no longer valid */
- COMMIT_Synclist, /* metadata pages on group commit synclist */
-};
-
-/*
- * commit_mutex nesting subclasses:
- */
-enum commit_mutex_class
-{
- COMMIT_MUTEX_PARENT,
- COMMIT_MUTEX_CHILD,
- COMMIT_MUTEX_SECOND_PARENT, /* Renaming */
- COMMIT_MUTEX_VICTIM /* Inode being unlinked due to rename */
-};
-
-/*
- * rdwrlock subclasses:
- * The dmap inode may be locked while a normal inode or the imap inode are
- * locked.
- */
-enum rdwrlock_class
-{
- RDWRLOCK_NORMAL,
- RDWRLOCK_IMAP,
- RDWRLOCK_DMAP
-};
-
-#define set_cflag(flag, ip) set_bit(flag, &(JFS_IP(ip)->cflag))
-#define clear_cflag(flag, ip) clear_bit(flag, &(JFS_IP(ip)->cflag))
-#define test_cflag(flag, ip) test_bit(flag, &(JFS_IP(ip)->cflag))
-#define test_and_clear_cflag(flag, ip) \
- test_and_clear_bit(flag, &(JFS_IP(ip)->cflag))
-/*
- * JFS-private superblock information.
- */
-struct jfs_sb_info {
- struct super_block *sb; /* Point back to vfs super block */
- unsigned long mntflag; /* aggregate attributes */
- struct inode *ipbmap; /* block map inode */
- struct inode *ipaimap; /* aggregate inode map inode */
- struct inode *ipaimap2; /* secondary aimap inode */
- struct inode *ipimap; /* aggregate inode map inode */
- struct jfs_log *log; /* log */
- struct list_head log_list; /* volumes associated with a journal */
- short bsize; /* logical block size */
- short l2bsize; /* log2 logical block size */
- short nbperpage; /* blocks per page */
- short l2nbperpage; /* log2 blocks per page */
- short l2niperblk; /* log2 inodes per page */
- dev_t logdev; /* external log device */
- uint aggregate; /* volume identifier in log record */
- pxd_t logpxd; /* pxd describing log */
- pxd_t fsckpxd; /* pxd describing fsck wkspc */
- pxd_t ait2; /* pxd describing AIT copy */
- char uuid[16]; /* 128-bit uuid for volume */
- char loguuid[16]; /* 128-bit uuid for log */
- /*
- * commit_state is used for synchronization of the jfs_commit
- * threads. It is protected by LAZY_LOCK().
- */
- int commit_state; /* commit state */
- /* Formerly in ipimap */
- uint gengen; /* inode generation generator*/
- uint inostamp; /* shows inode belongs to fileset*/
-
- /* Formerly in ipbmap */
- struct bmap *bmap; /* incore bmap descriptor */
- struct nls_table *nls_tab; /* current codepage */
- struct inode *direct_inode; /* metadata inode */
- uint state; /* mount/recovery state */
- unsigned long flag; /* mount time flags */
- uint p_state; /* state prior to going no integrity */
- uint uid; /* uid to override on-disk uid */
- uint gid; /* gid to override on-disk gid */
- uint umask; /* umask to override on-disk umask */
-};
-
-/* jfs_sb_info commit_state */
-#define IN_LAZYCOMMIT 1
-
-static inline struct jfs_inode_info *JFS_IP(struct inode *inode)
-{
- return list_entry(inode, struct jfs_inode_info, vfs_inode);
-}
-
-static inline int jfs_dirtable_inline(struct inode *inode)
-{
- return (JFS_IP(inode)->next_index <= (MAX_INLINE_DIRTABLE_ENTRY + 1));
-}
-
-static inline struct jfs_sb_info *JFS_SBI(struct super_block *sb)
-{
- return sb->s_fs_info;
-}
-
-static inline int isReadOnly(struct inode *inode)
-{
- if (JFS_SBI(inode->i_sb)->log)
- return 0;
- return 1;
-}
-#endif /* _H_JFS_INCORE */