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net/9p: Implement syncfs 9P operation

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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V
2011-02-28 17:03:59 +05:30
committed by Eric Van Hensbergen
parent db5841d4a5
commit c0aa4caf4c
3 changed files with 24 additions and 0 deletions
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2
include/net/9p/9p.h
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@@ -139,6 +139,8 @@ do { \
*/ */
enum p9_msg_t { enum p9_msg_t {
P9_TSYNCFS = 0,
P9_RSYNCFS,
P9_TLERROR = 6, P9_TLERROR = 6,
P9_RLERROR, P9_RLERROR,
P9_TSTATFS = 8, P9_TSTATFS = 8,

1
include/net/9p/client.h
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@@ -230,6 +230,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
gid_t gid, struct p9_qid *qid); gid_t gid, struct p9_qid *qid);
int p9_client_clunk(struct p9_fid *fid); int p9_client_clunk(struct p9_fid *fid);
int p9_client_fsync(struct p9_fid *fid, int datasync); int p9_client_fsync(struct p9_fid *fid, int datasync);
int p9_client_sync_fs(struct p9_fid *fid);
int p9_client_remove(struct p9_fid *fid); int p9_client_remove(struct p9_fid *fid);
int p9_client_read(struct p9_fid *fid, char *data, char __user *udata, int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
u64 offset, u32 count); u64 offset, u32 count);

21
net/9p/client.c
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@@ -1220,6 +1220,27 @@ error:
} }
EXPORT_SYMBOL(p9_client_fsync); EXPORT_SYMBOL(p9_client_fsync);
int p9_client_sync_fs(struct p9_fid *fid)
{
int err = 0;
struct p9_req_t *req;
struct p9_client *clnt;
P9_DPRINTK(P9_DEBUG_9P, ">>> TSYNC_FS fid %d\n", fid->fid);
clnt = fid->clnt;
req = p9_client_rpc(clnt, P9_TSYNCFS, "d", fid->fid);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RSYNCFS fid %d\n", fid->fid);
p9_free_req(clnt, req);
error:
return err;
}
EXPORT_SYMBOL(p9_client_sync_fs);
int p9_client_clunk(struct p9_fid *fid) int p9_client_clunk(struct p9_fid *fid)
{ {
int err; int err;