diff options
Diffstat (limited to 'fs/xfs/xfs_inode_item.h')
-rw-r--r-- | fs/xfs/xfs_inode_item.h | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h index 07a60e74c39c..bbd836a44ff0 100644 --- a/fs/xfs/xfs_inode_item.h +++ b/fs/xfs/xfs_inode_item.h @@ -13,31 +13,41 @@ struct xfs_bmbt_rec; struct xfs_inode; struct xfs_mount; -typedef struct xfs_inode_log_item { +struct xfs_inode_log_item { struct xfs_log_item ili_item; /* common portion */ struct xfs_inode *ili_inode; /* inode ptr */ - xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ - xfs_lsn_t ili_last_lsn; /* lsn at last transaction */ - unsigned short ili_lock_flags; /* lock flags */ - unsigned short ili_logged; /* flushed logged data */ + unsigned short ili_lock_flags; /* inode lock flags */ + /* + * The ili_lock protects the interactions between the dirty state and + * the flush state of the inode log item. This allows us to do atomic + * modifications of multiple state fields without having to hold a + * specific inode lock to serialise them. + * + * We need atomic changes between inode dirtying, inode flushing and + * inode completion, but these all hold different combinations of + * ILOCK and IFLUSHING and hence we need some other method of + * serialising updates to the flush state. + */ + spinlock_t ili_lock; /* flush state lock */ unsigned int ili_last_fields; /* fields when flushed */ unsigned int ili_fields; /* fields to be logged */ unsigned int ili_fsync_fields; /* logged since last fsync */ -} xfs_inode_log_item_t; + xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ + xfs_csn_t ili_commit_seq; /* last transaction commit */ +}; -static inline int xfs_inode_clean(xfs_inode_t *ip) +static inline int xfs_inode_clean(struct xfs_inode *ip) { return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL); } extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); extern void xfs_inode_item_destroy(struct xfs_inode *); -extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *); -extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *); -extern void xfs_iflush_abort(struct xfs_inode *, bool); +extern void xfs_iflush_abort(struct xfs_inode *); +extern void xfs_iflush_shutdown_abort(struct xfs_inode *); extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, struct xfs_inode_log_format *); -extern struct kmem_zone *xfs_ili_zone; +extern struct kmem_cache *xfs_ili_cache; #endif /* __XFS_INODE_ITEM_H__ */ |