diff options
Diffstat (limited to 'fs/xfs/xfs_inode_item.h')
| -rw-r--r-- | fs/xfs/xfs_inode_item.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h index ba92ce11a011..2ddcca41714f 100644 --- a/fs/xfs/xfs_inode_item.h +++ b/fs/xfs/xfs_inode_item.h @@ -32,9 +32,17 @@ struct xfs_inode_log_item { 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_lsn_t ili_flush_lsn; /* lsn at last flush */ + + /* + * We record the sequence number for every inode modification, as + * well as those that only require fdatasync operations for data + * integrity. This allows optimisation of the O_DSYNC/fdatasync path + * without needing to track what modifications the journal is currently + * carrying for the inode. These are protected by the above ili_lock. + */ xfs_csn_t ili_commit_seq; /* last transaction commit */ + xfs_csn_t ili_datasync_seq; /* for datasync optimisation */ }; static inline int xfs_inode_clean(struct xfs_inode *ip) |