diff options
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 58bfe629b93..e2bf2ef58b6 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1118,6 +1118,7 @@ xfs_fsync( xfs_inode_t *ip; xfs_trans_t *tp; int error; + int log_flushed = 0, changed = 1; vn_trace_entry(BHV_TO_VNODE(bdp), __FUNCTION__, (inst_t *)__return_address); @@ -1171,10 +1172,18 @@ xfs_fsync( xfs_iunlock(ip, XFS_ILOCK_SHARED); if (xfs_ipincount(ip)) { - xfs_log_force(ip->i_mount, (xfs_lsn_t)0, + _xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE | ((flag & FSYNC_WAIT) - ? XFS_LOG_SYNC : 0)); + ? XFS_LOG_SYNC : 0), + &log_flushed); + } else { + /* + * If the inode is not pinned and nothing + * has changed we don't need to flush the + * cache. + */ + changed = 0; } error = 0; } else { @@ -1210,10 +1219,27 @@ xfs_fsync( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); if (flag & FSYNC_WAIT) xfs_trans_set_sync(tp); - error = xfs_trans_commit(tp, 0, NULL); + error = _xfs_trans_commit(tp, 0, NULL, &log_flushed); xfs_iunlock(ip, XFS_ILOCK_EXCL); } + + if ((ip->i_mount->m_flags & XFS_MOUNT_BARRIER) && changed) { + /* + * If the log write didn't issue an ordered tag we need + * to flush the disk cache for the data device now. + */ + if (!log_flushed) + xfs_blkdev_issue_flush(ip->i_mount->m_ddev_targp); + + /* + * If this inode is on the RT dev we need to flush that + * cache aswell. + */ + if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME) + xfs_blkdev_issue_flush(ip->i_mount->m_rtdev_targp); + } + return error; } |