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| author | jhb <jhb@FreeBSD.org> | 2012-03-08 20:27:20 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2012-03-08 20:27:20 +0000 |
| commit | 19feaba08bc6b84c117bd21cc71e139c6d086ed7 (patch) | |
| tree | 8f19e446f40b0494d383b5102ee060aeb4617503 /sys/fs/unionfs | |
| parent | 4fea355eb2254754b2e522d87d81c5562252116a (diff) | |
| download | FreeBSD-src-19feaba08bc6b84c117bd21cc71e139c6d086ed7.zip FreeBSD-src-19feaba08bc6b84c117bd21cc71e139c6d086ed7.tar.gz | |
Add KTR_VFS traces to track modifications to a vnode's writecount.
Diffstat (limited to 'sys/fs/unionfs')
| -rw-r--r-- | sys/fs/unionfs/union_subr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/fs/unionfs/union_subr.c b/sys/fs/unionfs/union_subr.c index 2e74844..074958c 100644 --- a/sys/fs/unionfs/union_subr.c +++ b/sys/fs/unionfs/union_subr.c @@ -952,6 +952,8 @@ unionfs_vn_create_on_upper(struct vnode **vpp, struct vnode *udvp, goto unionfs_vn_create_on_upper_free_out1; } vp->v_writecount++; + CTR3(KTR_VFS, "%s: vp %p v_writecount increased to %d", __func__, vp, + vp->v_writecount); *vpp = vp; unionfs_vn_create_on_upper_free_out1: @@ -1087,6 +1089,8 @@ unionfs_copyfile(struct unionfs_node *unp, int docopy, struct ucred *cred, } VOP_CLOSE(uvp, FWRITE, cred, td); uvp->v_writecount--; + CTR3(KTR_VFS, "%s: vp %p v_writecount decreased to %d", __func__, uvp, + uvp->v_writecount); vn_finished_write(mp); |
