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[9p] Introduce client side TFSYNC/RFSYNC for dotl.

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SYNOPSIS
    size[4] Tfsync tag[2] fid[4]

    size[4] Rfsync tag[2]

DESCRIPTION

The Tfsync transaction transfers ("flushes") all modified in-core data of
file identified by fid to the disk device (or other  permanent  storage
device)  where that  file  resides.

Signed-off-by: Venkateswararao Jujjuri <[email protected]>
Signed-off-by: Eric Van Hensbergen <[email protected]>
This commit is contained in:
Venkateswararao Jujjuri (JV) 2010-09-22 17:19:19 -07:00 • committed by Eric Van Hensbergen
commit 920e65dc69
4 changed files with 44 additions and 2 deletions
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25
net/9p/client.c
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@ -1162,6 +1162,31 @@ int p9_client_link(struct p9_fid *dfid, struct p9_fid *oldfid, char *newname)
}
EXPORT_SYMBOL(p9_client_link);
int p9_client_fsync(struct p9_fid *fid)
{
int err;
struct p9_client *clnt;
struct p9_req_t *req;
P9_DPRINTK(P9_DEBUG_9P, ">>> TFSYNC fid %d\n", fid->fid);
err = 0;
clnt = fid->clnt;
req = p9_client_rpc(clnt, P9_TFSYNC, "d", fid->fid);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RFSYNC fid %d\n", fid->fid);
p9_free_req(clnt, req);
error:
return err;
}
EXPORT_SYMBOL(p9_client_fsync);
int p9_client_clunk(struct p9_fid *fid)
{
int err;