diff options
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_log.c | 61 | ||||
| -rw-r--r-- | fs/xfs/xfs_log.h | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_super.c | 16 | ||||
| -rw-r--r-- | fs/xfs/xfs_sync.c | 39 | ||||
| -rw-r--r-- | fs/xfs/xfs_sync.h | 2 |
7 files changed, 62 insertions, 61 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 7f4f937..efea12b 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -34,6 +34,7 @@ #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_trace.h" +#include "xfs_fsops.h" kmem_zone_t *xfs_log_ticket_zone; @@ -679,25 +680,29 @@ out: } /* - * Finish the recovery of the file system. This is separate from - * the xfs_log_mount() call, because it depends on the code in - * xfs_mountfs() to read in the root and real-time bitmap inodes - * between calling xfs_log_mount() and here. + * Finish the recovery of the file system. This is separate from the + * xfs_log_mount() call, because it depends on the code in xfs_mountfs() to read + * in the root and real-time bitmap inodes between calling xfs_log_mount() and + * here. * - * mp - ubiquitous xfs mount point structure + * If we finish recovery successfully, start the background log work. If we are + * not doing recovery, then we have a RO filesystem and we don't need to start + * it. */ int xfs_log_mount_finish(xfs_mount_t *mp) { - int error; + int error = 0; - if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) + if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) { error = xlog_recover_finish(mp->m_log); - else { - error = 0; + if (!error) + xfs_log_work_queue(mp); + } else { ASSERT(mp->m_flags & XFS_MOUNT_RDONLY); } + return error; } @@ -858,7 +863,7 @@ xfs_log_unmount_write(xfs_mount_t *mp) void xfs_log_unmount(xfs_mount_t *mp) { - cancel_delayed_work_sync(&mp->m_sync_work); + cancel_delayed_work_sync(&mp->m_log->l_work); xfs_trans_ail_destroy(mp); xlog_dealloc_log(mp->m_log); } @@ -1161,6 +1166,40 @@ done: } /* xlog_get_iclog_buffer_size */ +void +xfs_log_work_queue( + struct xfs_mount *mp) +{ + queue_delayed_work(xfs_syncd_wq, &mp->m_log->l_work, + msecs_to_jiffies(xfs_syncd_centisecs * 10)); +} + +/* + * Every sync period we need to unpin all items in the AIL and push them to + * disk. If there is nothing dirty, then we might need to cover the log to + * indicate that the filesystem is idle. + */ +void +xfs_log_worker( + struct work_struct *work) +{ + struct xlog *log = container_of(to_delayed_work(work), + struct xlog, l_work); + struct xfs_mount *mp = log->l_mp; + + /* dgc: errors ignored - not fatal and nowhere to report them */ + if (xfs_log_need_covered(mp)) + xfs_fs_log_dummy(mp); + else + xfs_log_force(mp, 0); + + /* start pushing all the metadata that is currently dirty */ + xfs_ail_push_all(mp->m_ail); + + /* queue us up again */ + xfs_log_work_queue(mp); +} + /* * This routine initializes some of the log structure for a given mount point. * Its primary purpose is to fill in enough, so recovery can occur. However, @@ -1195,6 +1234,7 @@ xlog_alloc_log( log->l_logBBsize = num_bblks; log->l_covered_state = XLOG_STATE_COVER_IDLE; log->l_flags |= XLOG_ACTIVE_RECOVERY; + INIT_DELAYED_WORK(&log->l_work, xfs_log_worker); log->l_prev_block = -1; /* log->l_tail_lsn = 0x100000000LL; cycle = 1; current block = 0 */ @@ -3700,3 +3740,4 @@ xlog_iclogs_empty( } while (iclog != log->l_iclog); return 1; } + diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h index 748d312..26ed7de 100644 --- a/fs/xfs/xfs_log.h +++ b/fs/xfs/xfs_log.h @@ -181,5 +181,8 @@ int xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp, xfs_lsn_t *commit_lsn, int flags); bool xfs_log_item_in_current_chkpt(struct xfs_log_item *lip); +void xfs_log_work_queue(struct xfs_mount *mp); +void xfs_log_worker(struct work_struct *work); + #endif #endif /* __XFS_LOG_H__ */ diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 18a801d..9a4e0e5 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -495,6 +495,7 @@ struct xlog { struct xfs_buf *l_xbuf; /* extra buffer for log * wrapping */ struct xfs_buftarg *l_targ; /* buftarg of log */ + struct delayed_work l_work; /* background flush work */ uint l_flags; uint l_quotaoffs_flag; /* XFS_DQ_*, for QUOTAOFFs */ struct list_head *l_buf_cancel_table; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index deee09e..26e46ae 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -197,7 +197,6 @@ typedef struct xfs_mount { struct mutex m_icsb_mutex; /* balancer sync lock */ #endif struct xfs_mru_cache *m_filestream; /* per-mount filestream data */ - struct delayed_work m_sync_work; /* background sync work */ struct delayed_work m_reclaim_work; /* background inode reclaim */ struct work_struct m_flush_work; /* background inode flush */ __int64_t m_update_flags; /* sb flags we need to update diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 20fa955..37c39a1 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1005,7 +1005,6 @@ xfs_fs_put_super( { struct xfs_mount *mp = XFS_M(sb); - cancel_delayed_work_sync(&mp->m_sync_work); cancel_work_sync(&mp->m_flush_work); xfs_filestream_unmount(mp); @@ -1040,10 +1039,10 @@ xfs_fs_sync_fs( if (laptop_mode) { /* * The disk must be active because we're syncing. - * We schedule xfssyncd now (now that the disk is + * We schedule log work now (now that the disk is * active) instead of later (when it might not be). */ - flush_delayed_work(&mp->m_sync_work); + flush_delayed_work(&mp->m_log->l_work); } return 0; @@ -1200,7 +1199,7 @@ xfs_fs_remount( * value if it is non-zero, otherwise go with the default. */ xfs_restore_resvblks(mp); - xfs_syncd_queue_sync(mp); + xfs_log_work_queue(mp); } /* rw -> ro */ @@ -1246,7 +1245,7 @@ xfs_fs_unfreeze( struct xfs_mount *mp = XFS_M(sb); xfs_restore_resvblks(mp); - xfs_syncd_queue_sync(mp); + xfs_log_work_queue(mp); return 0; } @@ -1326,7 +1325,6 @@ xfs_fs_fill_super( mutex_init(&mp->m_growlock); atomic_set(&mp->m_active_trans, 0); INIT_WORK(&mp->m_flush_work, xfs_flush_worker); - INIT_DELAYED_WORK(&mp->m_sync_work, xfs_sync_worker); INIT_DELAYED_WORK(&mp->m_reclaim_work, xfs_reclaim_worker); mp->m_super = sb; @@ -1410,12 +1408,6 @@ xfs_fs_fill_super( goto out_unmount; } - /* - * The filesystem is successfully mounted, so we can start background - * sync work now. - */ - xfs_syncd_queue_sync(mp); - return 0; out_filestream_unmount: diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c index e898d18..2174555 100644 --- a/fs/xfs/xfs_sync.c +++ b/fs/xfs/xfs_sync.c @@ -19,6 +19,7 @@ #include "xfs_fs.h" #include "xfs_types.h" #include "xfs_log.h" +#include "xfs_log_priv.h" #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_trans_priv.h" @@ -344,8 +345,8 @@ xfs_quiesce_attr( /* flush all pending changes from the AIL */ xfs_ail_push_all_sync(mp->m_ail); - /* stop background sync work */ - cancel_delayed_work_sync(&mp->m_sync_work); + /* stop background log work */ + cancel_delayed_work_sync(&mp->m_log->l_work); /* * Just warn here till VFS can correctly support @@ -376,40 +377,6 @@ xfs_quiesce_attr( xfs_buf_unlock(mp->m_sb_bp); } -void -xfs_syncd_queue_sync( - struct xfs_mount *mp) -{ - queue_delayed_work(xfs_syncd_wq, &mp->m_sync_work, - msecs_to_jiffies(xfs_syncd_centisecs * 10)); -} - -/* - * Every sync period we need to push dirty metadata and try to cover the log - * to indicate the filesystem is idle and not frozen. - */ -void -xfs_sync_worker( - struct work_struct *work) -{ - struct xfs_mount *mp = container_of(to_delayed_work(work), - struct xfs_mount, m_sync_work); - int error; - - /* dgc: errors ignored here */ - if (mp->m_super->s_writers.frozen == SB_UNFROZEN && - xfs_log_need_covered(mp)) - error = xfs_fs_log_dummy(mp); - else - xfs_log_force(mp, 0); - - /* start pushing all the metadata that is currently dirty */ - xfs_ail_push_all(mp->m_ail); - - /* queue us up again */ - xfs_syncd_queue_sync(mp); -} - /* * Queue a new inode reclaim pass if there are reclaimable inodes and there * isn't a reclaim pass already in progress. By default it runs every 5s based diff --git a/fs/xfs/xfs_sync.h b/fs/xfs/xfs_sync.h index 3f59e5b..8d58fab 100644 --- a/fs/xfs/xfs_sync.h +++ b/fs/xfs/xfs_sync.h @@ -26,8 +26,6 @@ struct xfs_perag; extern struct workqueue_struct *xfs_syncd_wq; /* sync workqueue */ -void xfs_syncd_queue_sync(struct xfs_mount *mp); -void xfs_sync_worker(struct work_struct *work); void xfs_flush_worker(struct work_struct *work); void xfs_reclaim_worker(struct work_struct *work); |
