diff options
-rw-r--r-- | fs/xfs/xfs_mount.c | 11 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.h | 1 | ||||
-rw-r--r-- | fs/xfs/xfs_super.c | 14 |
3 files changed, 23 insertions, 3 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index bf92e0c..eb498ce 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -693,10 +693,15 @@ xfs_mountfs( if (error) goto out; - error = xfs_uuid_mount(mp); + error = xfs_sysfs_init(&mp->m_stats.xs_kobj, &xfs_stats_ktype, + &mp->m_kobj, "stats"); if (error) goto out_remove_sysfs; + error = xfs_uuid_mount(mp); + if (error) + goto out_del_stats; + /* * Set the minimum read and write sizes */ @@ -971,6 +976,8 @@ xfs_mountfs( xfs_da_unmount(mp); out_remove_uuid: xfs_uuid_unmount(mp); + out_del_stats: + xfs_sysfs_del(&mp->m_stats.xs_kobj); out_remove_sysfs: xfs_sysfs_del(&mp->m_kobj); out: @@ -1047,6 +1054,7 @@ xfs_unmountfs( xfs_warn(mp, "Unable to update superblock counters. " "Freespace may not be correct on next mount."); + xfs_log_unmount(mp); xfs_da_unmount(mp); xfs_uuid_unmount(mp); @@ -1056,6 +1064,7 @@ xfs_unmountfs( #endif xfs_free_perag(mp); + xfs_sysfs_del(&mp->m_stats.xs_kobj); xfs_sysfs_del(&mp->m_kobj); } diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 7999e91..8795272 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -127,6 +127,7 @@ typedef struct xfs_mount { int64_t m_low_space[XFS_LOWSP_MAX]; /* low free space thresholds */ struct xfs_kobj m_kobj; + struct xstats m_stats; /* per-fs stats */ struct workqueue_struct *m_buf_workqueue; struct workqueue_struct *m_data_workqueue; diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index e1a35a5..9d11d3e 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1474,9 +1474,16 @@ xfs_fs_fill_super( if (error) goto out_destroy_workqueues; + /* Allocate stats memory before we do operations that might use it */ + mp->m_stats.xs_stats = alloc_percpu(struct xfsstats); + if (!mp->m_stats.xs_stats) { + error = PTR_ERR(mp->m_stats.xs_stats); + goto out_destroy_counters; + } + error = xfs_readsb(mp, flags); if (error) - goto out_destroy_counters; + goto out_free_stats; error = xfs_finish_flags(mp); if (error) @@ -1545,9 +1552,11 @@ xfs_fs_fill_super( xfs_filestream_unmount(mp); out_free_sb: xfs_freesb(mp); + out_free_stats: + free_percpu(mp->m_stats.xs_stats); out_destroy_counters: xfs_destroy_percpu_counters(mp); -out_destroy_workqueues: + out_destroy_workqueues: xfs_destroy_mount_workqueues(mp); out_close_devices: xfs_close_devices(mp); @@ -1574,6 +1583,7 @@ xfs_fs_put_super( xfs_unmountfs(mp); xfs_freesb(mp); + free_percpu(mp->m_stats.xs_stats); xfs_destroy_percpu_counters(mp); xfs_destroy_mount_workqueues(mp); xfs_close_devices(mp); |