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authorDave Chinner <dchinner@redhat.com>2014-12-03 22:42:40 (GMT)
committerDave Chinner <david@fromorbit.com>2014-12-03 22:42:40 (GMT)
commitcdc9cec7c0ff521edf8c0e9c9432bf8fdccfc702 (patch)
treeacd304dac9fdf77f3bdcfaf3bb903a2f0689d4e7 /fs/xfs
parent4db431f57be2d32f35f46023b0c0d9f8b6e06e26 (diff)
downloadlinux-cdc9cec7c0ff521edf8c0e9c9432bf8fdccfc702.tar.xz
xfs: active inodes stat is broken
vn_active only ever gets decremented, so it has a very large negative number. Make it track the inode count we currently have allocated properly so we can easily track the size of the inode cache via tools like PCP. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_icache.c2
-rw-r--r--fs/xfs/xfs_super.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index b45f7b2..f7a742e 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -65,6 +65,7 @@ xfs_inode_alloc(
return NULL;
}
+ XFS_STATS_INC(vn_active);
ASSERT(atomic_read(&ip->i_pincount) == 0);
ASSERT(!spin_is_locked(&ip->i_flags_lock));
ASSERT(!xfs_isiflocked(ip));
@@ -130,6 +131,7 @@ xfs_inode_free(
/* asserts to verify all state is correct here */
ASSERT(atomic_read(&ip->i_pincount) == 0);
ASSERT(!xfs_isiflocked(ip));
+ XFS_STATS_DEC(vn_active);
call_rcu(&VFS_I(ip)->i_rcu, xfs_inode_free_callback);
}
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index a0f58d9..45fa5b5 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1008,7 +1008,6 @@ xfs_fs_evict_inode(
clear_inode(inode);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
- XFS_STATS_DEC(vn_active);
xfs_inactive(ip);
}