/* * Second stage of a quiesce. The data is already synced, now we have to take * care of the metadata. New transactions are already blocked, so we need to * wait for any remaining transactions to drain out before proceeding. */ void xfs_quiesce_attr( struct xfs_mount *mp) { int error = 0; /* wait for all modifications to complete */ while (atomic_read(&mp->m_active_trans) > 0) delay(100); /* flush inodes and push all remaining buffers out to disk */ xfs_quiesce_fs(mp); /* * Just warn here till VFS can correctly support * read-only remount without racing. */ WARN_ON(atomic_read(&mp->m_active_trans) != 0); /* Push the superblock and write an unmount record */ error = xfs_log_sbcount(mp, 1); if (error) xfs_warn(mp, "xfs_attr_quiesce: failed to log sb changes. " "Frozen image may not be consistent."); xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); }
void xfs_quiesce_attr( struct xfs_mount *mp) { int error = 0; while (atomic_read(&mp->m_active_trans) > 0) delay(100); xfs_quiesce_fs(mp); WARN_ON(atomic_read(&mp->m_active_trans) != 0); error = xfs_log_sbcount(mp); if (error) xfs_warn(mp, "xfs_attr_quiesce: failed to log sb changes. " "Frozen image may not be consistent."); xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); }