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NFSv4.1/pnfs: Add a tracepoint for return-on-close events

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Allow tracing of return-on-close.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-08-20 15:40:47 -05:00
parent aaae3f00d3
commit 6a463beb9a
2 changed files with 2 additions and 0 deletions
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1
fs/nfs/nfs4trace.h
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@ -1136,6 +1136,7 @@ TRACE_EVENT(nfs4_layoutget,
DEFINE_NFS4_INODE_EVENT(nfs4_layoutcommit); DEFINE_NFS4_INODE_EVENT(nfs4_layoutcommit);
DEFINE_NFS4_INODE_EVENT(nfs4_layoutreturn); DEFINE_NFS4_INODE_EVENT(nfs4_layoutreturn);
DEFINE_NFS4_INODE_EVENT(nfs4_layoutreturn_on_close);
#endif /* CONFIG_NFS_V4_1 */ #endif /* CONFIG_NFS_V4_1 */

1
fs/nfs/pnfs.c
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@ -1144,6 +1144,7 @@ void pnfs_roc_set_barrier(struct inode *ino, u32 barrier)
if (pnfs_seqid_is_newer(barrier, lo->plh_barrier)) if (pnfs_seqid_is_newer(barrier, lo->plh_barrier))
lo->plh_barrier = barrier; lo->plh_barrier = barrier;
spin_unlock(&ino->i_lock); spin_unlock(&ino->i_lock);
trace_nfs4_layoutreturn_on_close(ino, 0);
} }
void pnfs_roc_get_barrier(struct inode *ino, u32 *barrier) void pnfs_roc_get_barrier(struct inode *ino, u32 *barrier)