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53 lines
1.8 KiB
53 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2000,2005 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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*/ |
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#ifndef __XFS_INODE_ITEM_H__ |
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#define __XFS_INODE_ITEM_H__ |
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/* kernel only definitions */ |
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struct xfs_buf; |
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struct xfs_bmbt_rec; |
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struct xfs_inode; |
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struct xfs_mount; |
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struct xfs_inode_log_item { |
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struct xfs_log_item ili_item; /* common portion */ |
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struct xfs_inode *ili_inode; /* inode ptr */ |
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unsigned short ili_lock_flags; /* inode lock flags */ |
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/* |
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* The ili_lock protects the interactions between the dirty state and |
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* the flush state of the inode log item. This allows us to do atomic |
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* modifications of multiple state fields without having to hold a |
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* specific inode lock to serialise them. |
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* |
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* We need atomic changes between inode dirtying, inode flushing and |
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* inode completion, but these all hold different combinations of |
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* ILOCK and IFLUSHING and hence we need some other method of |
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* serialising updates to the flush state. |
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*/ |
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spinlock_t ili_lock; /* flush state lock */ |
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unsigned int ili_last_fields; /* fields when flushed */ |
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unsigned int ili_fields; /* fields to be logged */ |
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unsigned int ili_fsync_fields; /* logged since last fsync */ |
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xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ |
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xfs_csn_t ili_commit_seq; /* last transaction commit */ |
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}; |
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static inline int xfs_inode_clean(struct xfs_inode *ip) |
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{ |
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return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL); |
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} |
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extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); |
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extern void xfs_inode_item_destroy(struct xfs_inode *); |
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extern void xfs_iflush_abort(struct xfs_inode *); |
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extern void xfs_iflush_shutdown_abort(struct xfs_inode *); |
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extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, |
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struct xfs_inode_log_format *); |
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extern struct kmem_cache *xfs_ili_cache; |
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#endif /* __XFS_INODE_ITEM_H__ */
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