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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/jfs/jfs_incore.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.h | 224 |
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 */ |