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Diffstat (limited to 'fs/afs/yfsclient.c')
-rw-r--r--fs/afs/yfsclient.c101
1 files changed, 34 insertions, 67 deletions
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index a1baf3f1f14d..1f94278f3bca 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -165,23 +165,23 @@ static void xdr_dump_bad(const __be32 *bp)
int i;
pr_notice("YFS XDR: Bad status record\n");
- for (i = 0; i < 5 * 4 * 4; i += 16) {
+ for (i = 0; i < 6 * 4 * 4; i += 16) {
memcpy(x, bp, 16);
bp += 4;
pr_notice("%03x: %08x %08x %08x %08x\n",
i, ntohl(x[0]), ntohl(x[1]), ntohl(x[2]), ntohl(x[3]));
}
- memcpy(x, bp, 4);
- pr_notice("0x50: %08x\n", ntohl(x[0]));
+ memcpy(x, bp, 8);
+ pr_notice("0x60: %08x %08x\n", ntohl(x[0]), ntohl(x[1]));
}
/*
* Decode a YFSFetchStatus block
*/
-static int xdr_decode_YFSFetchStatus(const __be32 **_bp,
- struct afs_call *call,
- struct afs_status_cb *scb)
+static void xdr_decode_YFSFetchStatus(const __be32 **_bp,
+ struct afs_call *call,
+ struct afs_status_cb *scb)
{
const struct yfs_xdr_YFSFetchStatus *xdr = (const void *)*_bp;
struct afs_file_status *status = &scb->status;
@@ -192,7 +192,7 @@ static int xdr_decode_YFSFetchStatus(const __be32 **_bp,
if (status->abort_code == VNOVNODE)
status->nlink = 0;
scb->have_error = true;
- return 0;
+ goto advance;
}
type = ntohl(xdr->type);
@@ -220,13 +220,14 @@ static int xdr_decode_YFSFetchStatus(const __be32 **_bp,
status->size = xdr_to_u64(xdr->size);
status->data_version = xdr_to_u64(xdr->data_version);
scb->have_status = true;
-
+advance:
*_bp += xdr_size(xdr);
- return 0;
+ return;
bad:
xdr_dump_bad(*_bp);
- return afs_protocol_error(call, -EBADMSG, afs_eproto_bad_status);
+ afs_protocol_error(call, -EBADMSG, afs_eproto_bad_status);
+ goto advance;
}
/*
@@ -344,9 +345,7 @@ static int yfs_deliver_fs_status_cb_and_volsync(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
xdr_decode_YFSCallBack(&bp, call, call->out_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
@@ -368,9 +367,7 @@ static int yfs_deliver_status_and_volsync(struct afs_call *call)
return ret;
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
_leave(" = 0 [done]");
@@ -491,8 +488,6 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
ASSERTCMP(req->offset, <=, PAGE_SIZE);
if (req->offset == PAGE_SIZE) {
req->offset = 0;
- if (req->page_done)
- req->page_done(req);
req->index++;
if (req->remain > 0)
goto begin_page;
@@ -529,9 +524,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
return ret;
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
xdr_decode_YFSCallBack(&bp, call, call->out_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
@@ -549,11 +542,13 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
if (req->offset < PAGE_SIZE)
zero_user_segment(req->pages[req->index],
req->offset, PAGE_SIZE);
- if (req->page_done)
- req->page_done(req);
req->offset = 0;
}
+ if (req->page_done)
+ for (req->index = 0; req->index < req->nr_pages; req->index++)
+ req->page_done(req);
+
_leave(" = 0 [done]");
return 0;
}
@@ -638,12 +633,8 @@ static int yfs_deliver_fs_create_vnode(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
xdr_decode_YFSFid(&bp, call->out_fid);
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
xdr_decode_YFSCallBack(&bp, call, call->out_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
@@ -796,14 +787,9 @@ static int yfs_deliver_fs_remove_file2(struct afs_call *call)
return ret;
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
- if (ret < 0)
- return ret;
-
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
xdr_decode_YFSFid(&bp, &fid);
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
/* Was deleted if vnode->status.abort_code == VNOVNODE. */
xdr_decode_YFSVolSync(&bp, call->out_volsync);
@@ -883,10 +869,7 @@ static int yfs_deliver_fs_remove(struct afs_call *call)
return ret;
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
- if (ret < 0)
- return ret;
-
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
return 0;
}
@@ -968,12 +951,8 @@ static int yfs_deliver_fs_link(struct afs_call *call)
return ret;
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
_leave(" = 0 [done]");
return 0;
@@ -1055,12 +1034,8 @@ static int yfs_deliver_fs_symlink(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
xdr_decode_YFSFid(&bp, call->out_fid);
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
_leave(" = 0 [done]");
@@ -1148,15 +1123,11 @@ static int yfs_deliver_fs_rename(struct afs_call *call)
return ret;
bp = call->buffer;
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
- if (ret < 0)
- return ret;
- if (call->out_dir_scb != call->out_scb) {
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
- }
-
+ /* If the two dirs are the same, we have two copies of the same status
+ * report, so we just decode it twice.
+ */
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_dir_scb);
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
_leave(" = 0 [done]");
return 0;
@@ -1834,9 +1805,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
bp = call->buffer;
scb = &call->out_scb[call->count];
- ret = xdr_decode_YFSFetchStatus(&bp, call, scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, scb);
call->count++;
if (call->count < call->count2)
@@ -2051,9 +2020,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
bp = call->buffer;
yacl->inherit_flag = ntohl(*bp++);
yacl->num_cleaned = ntohl(*bp++);
- ret = xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
- if (ret < 0)
- return ret;
+ xdr_decode_YFSFetchStatus(&bp, call, call->out_scb);
xdr_decode_YFSVolSync(&bp, call->out_volsync);
call->unmarshall++;