10b61f8a4SDave Chinner // SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds /* 37b718769SNathan Scott * Copyright (c) 2000,2005 Silicon Graphics, Inc. 47b718769SNathan Scott * All Rights Reserved. 51da177e4SLinus Torvalds */ 61da177e4SLinus Torvalds #ifndef __XFS_INODE_ITEM_H__ 71da177e4SLinus Torvalds #define __XFS_INODE_ITEM_H__ 81da177e4SLinus Torvalds 969432832SDave Chinner /* kernel only definitions */ 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds struct xfs_buf; 12a5f9be58SChristoph Hellwig struct xfs_bmbt_rec; 131da177e4SLinus Torvalds struct xfs_inode; 141da177e4SLinus Torvalds struct xfs_mount; 151da177e4SLinus Torvalds 16fd9cbe51SChristoph Hellwig struct xfs_inode_log_item { 17efe2330fSChristoph Hellwig struct xfs_log_item ili_item; /* common portion */ 181da177e4SLinus Torvalds struct xfs_inode *ili_inode; /* inode ptr */ 191319ebefSDave Chinner unsigned short ili_lock_flags; /* inode lock flags */ 20*82842feeSDave Chinner unsigned int ili_dirty_flags; /* dirty in current tx */ 211319ebefSDave Chinner /* 221319ebefSDave Chinner * The ili_lock protects the interactions between the dirty state and 231319ebefSDave Chinner * the flush state of the inode log item. This allows us to do atomic 241319ebefSDave Chinner * modifications of multiple state fields without having to hold a 251319ebefSDave Chinner * specific inode lock to serialise them. 261319ebefSDave Chinner * 271319ebefSDave Chinner * We need atomic changes between inode dirtying, inode flushing and 281319ebefSDave Chinner * inode completion, but these all hold different combinations of 29718ecc50SDave Chinner * ILOCK and IFLUSHING and hence we need some other method of 30718ecc50SDave Chinner * serialising updates to the flush state. 311319ebefSDave Chinner */ 321319ebefSDave Chinner spinlock_t ili_lock; /* flush state lock */ 331da177e4SLinus Torvalds unsigned int ili_last_fields; /* fields when flushed */ 34f5d8d5c4SChristoph Hellwig unsigned int ili_fields; /* fields to be logged */ 35fc0561ceSDave Chinner unsigned int ili_fsync_fields; /* logged since last fsync */ 361319ebefSDave Chinner xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ 375f9b4b0dSDave Chinner xfs_csn_t ili_commit_seq; /* last transaction commit */ 38fd9cbe51SChristoph Hellwig }; 391da177e4SLinus Torvalds xfs_inode_clean(struct xfs_inode * ip)40aac855abSDave Chinnerstatic inline int xfs_inode_clean(struct xfs_inode *ip) 4133540408SDavid Chinner { 42f5d8d5c4SChristoph Hellwig return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL); 4333540408SDavid Chinner } 4433540408SDavid Chinner 45a844f451SNathan Scott extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); 46a844f451SNathan Scott extern void xfs_inode_item_destroy(struct xfs_inode *); 4788fc1879SBrian Foster extern void xfs_iflush_abort(struct xfs_inode *); 48d2d7c047SDave Chinner extern void xfs_iflush_shutdown_abort(struct xfs_inode *); 496d192a9bSTim Shimmin extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, 5006b11321SDarrick J. Wong struct xfs_inode_log_format *); 511da177e4SLinus Torvalds 52182696fbSDarrick J. Wong extern struct kmem_cache *xfs_ili_cache; 531da177e4SLinus Torvalds 541da177e4SLinus Torvalds #endif /* __XFS_INODE_ITEM_H__ */ 55