Commit 93c2e5e0 authored by Benjamin Coddington's avatar Benjamin Coddington Committed by Trond Myklebust
Browse files

NFS: Add a tracepoint to show the results of nfs_set_cache_invalid() 



This provides some insight into the client's invalidation behavior to show
both when the client uses the helper, and the results of calling the
helper which can vary depending on how the helper is called.

Signed-off-by: default avatarBenjamin Coddington <bcodding@redhat.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent d3c45824

fs/nfs/inode.c

+1 −0
Original line number Diff line number Diff line
@@ -219,6 +219,7 @@ void nfs_set_cache_invalid(struct inode *inode, unsigned long flags) 
					  NFS_INO_DATA_INVAL_DEFER);

	else if (nfsi->cache_validity & NFS_INO_INVALID_DATA)

		nfsi->cache_validity &= ~NFS_INO_DATA_INVAL_DEFER;

	trace_nfs_set_cache_invalid(inode, 0);

}

EXPORT_SYMBOL_GPL(nfs_set_cache_invalid);

fs/nfs/nfstrace.h

+1 −0
Original line number Diff line number Diff line
@@ -162,6 +162,7 @@ DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit); 
DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);

DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);

DEFINE_NFS_INODE_EVENT(nfs_access_enter);

DEFINE_NFS_INODE_EVENT_DONE(nfs_set_cache_invalid);



TRACE_EVENT(nfs_access_exit,

		TP_PROTO(