diff options
Diffstat (limited to 'fs/xfs/xfs_super.c')
| -rw-r--r-- | fs/xfs/xfs_super.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index a276b8111f63..8495ef076ffc 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -843,9 +843,11 @@ xfs_fs_statfs( if (XFS_IS_REALTIME_MOUNT(mp) && (ip->i_diflags & (XFS_DIFLAG_RTINHERIT | XFS_DIFLAG_REALTIME))) { + s64 freertx; + statp->f_blocks = sbp->sb_rblocks; - statp->f_bavail = statp->f_bfree = - sbp->sb_frextents * sbp->sb_rextsize; + freertx = percpu_counter_sum_positive(&mp->m_frextents); + statp->f_bavail = statp->f_bfree = freertx * sbp->sb_rextsize; } return 0; @@ -1015,8 +1017,14 @@ xfs_init_percpu_counters( if (error) goto free_fdblocks; + error = percpu_counter_init(&mp->m_frextents, 0, GFP_KERNEL); + if (error) + goto free_delalloc; + return 0; +free_delalloc: + percpu_counter_destroy(&mp->m_delalloc_blks); free_fdblocks: percpu_counter_destroy(&mp->m_fdblocks); free_ifree: @@ -1033,6 +1041,7 @@ xfs_reinit_percpu_counters( percpu_counter_set(&mp->m_icount, mp->m_sb.sb_icount); percpu_counter_set(&mp->m_ifree, mp->m_sb.sb_ifree); percpu_counter_set(&mp->m_fdblocks, mp->m_sb.sb_fdblocks); + percpu_counter_set(&mp->m_frextents, mp->m_sb.sb_frextents); } static void @@ -1045,6 +1054,7 @@ xfs_destroy_percpu_counters( ASSERT(xfs_is_shutdown(mp) || percpu_counter_sum(&mp->m_delalloc_blks) == 0); percpu_counter_destroy(&mp->m_delalloc_blks); + percpu_counter_destroy(&mp->m_frextents); } static int @@ -1635,6 +1645,10 @@ xfs_fs_fill_super( goto out_filestream_unmount; } + if (xfs_has_large_extent_counts(mp)) + xfs_warn(mp, + "EXPERIMENTAL Large extent counts feature in use. Use at your own risk!"); + error = xfs_mountfs(mp); if (error) goto out_filestream_unmount; |