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| author | David Howells <dhowells@redhat.com> | 2009-04-03 16:42:47 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2009-04-03 16:42:47 +0100 |
| commit | 5d1acff159730770cbab68b19443518c92ab1000 (patch) | |
| tree | 71969ce63215ffb636aa539ab049b71eac43da0d /fs/nfs | |
| parent | 7f8e05f60c87646e12c761fef61dd71a7e67112e (diff) | |
| download | lwn-5d1acff159730770cbab68b19443518c92ab1000.tar.gz lwn-5d1acff159730770cbab68b19443518c92ab1000.zip | |
NFS: Display local caching state
Display the local caching state in /proc/fs/nfsfs/volumes.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/client.c | 7 | ||||
| -rw-r--r-- | fs/nfs/fscache.h | 15 |
2 files changed, 19 insertions, 3 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index aa04da8748a6..726fe5a845b4 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1564,7 +1564,7 @@ static int nfs_volume_list_show(struct seq_file *m, void *v) /* display header on line 1 */ if (v == &nfs_volume_list) { - seq_puts(m, "NV SERVER PORT DEV FSID\n"); + seq_puts(m, "NV SERVER PORT DEV FSID FSC\n"); return 0; } /* display one transport per line on subsequent lines */ @@ -1578,12 +1578,13 @@ static int nfs_volume_list_show(struct seq_file *m, void *v) (unsigned long long) server->fsid.major, (unsigned long long) server->fsid.minor); - seq_printf(m, "v%u %s %s %-7s %-17s\n", + seq_printf(m, "v%u %s %s %-7s %-17s %s\n", clp->rpc_ops->version, rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_HEX_ADDR), rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_HEX_PORT), dev, - fsid); + fsid, + nfs_server_fscache_state(server)); return 0; } diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h index 1ec3ebb0efcd..6e809bb0ff08 100644 --- a/fs/nfs/fscache.h +++ b/fs/nfs/fscache.h @@ -153,6 +153,16 @@ static inline void nfs_readpage_to_fscache(struct inode *inode, __nfs_readpage_to_fscache(inode, page, sync); } +/* + * indicate the client caching state as readable text + */ +static inline const char *nfs_server_fscache_state(struct nfs_server *server) +{ + if (server->fscache && (server->options & NFS_OPTION_FSCACHE)) + return "yes"; + return "no "; +} + #else /* CONFIG_NFS_FSCACHE */ static inline int nfs_fscache_register(void) { return 0; } @@ -201,5 +211,10 @@ static inline int nfs_readpages_from_fscache(struct nfs_open_context *ctx, static inline void nfs_readpage_to_fscache(struct inode *inode, struct page *page, int sync) {} +static inline const char *nfs_server_fscache_state(struct nfs_server *server) +{ + return "no "; +} + #endif /* CONFIG_NFS_FSCACHE */ #endif /* _NFS_FSCACHE_H */ |