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Merge branch 'afs-proc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Procházet zdrojové kódy 
Pull AFS updates from Al Viro:
 "Assorted AFS stuff - ended up in vfs.git since most of that consists
  of David's AFS-related followups to Christoph's procfs series"

* 'afs-proc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  afs: Optimise callback breaking by not repeating volume lookup
  afs: Display manually added cells in dynamic root mount
  afs: Enable IPv6 DNS lookups
  afs: Show all of a server's addresses in /proc/fs/afs/servers
  afs: Handle CONFIG_PROC_FS=n
  proc: Make inline name size calculation automatic
  afs: Implement network namespacing
  afs: Mark afs_net::ws_cell as __rcu and set using rcu functions
  afs: Fix a Sparse warning in xdr_decode_AFSFetchStatus()
  proc: Add a way to make network proc files writable
  afs: Rearrange fs/afs/proc.c to remove remaining predeclarations.
  afs: Rearrange fs/afs/proc.c to move the show routines up
  afs: Rearrange fs/afs/proc.c by moving fops and open functions down
  afs: Move /proc management functions to the end of the file
Tento commit je obsažen v:
Linus Torvalds
2018-06-16 16:32:04 +09:00
rodič 29d6849d88 47ea0f2ebf
revize 35773c9381
22 změnil soubory, kde provedl 926 přidání a 679 odebrání
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100
fs/afs/fsclient.c
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@@ -138,10 +138,6 @@ static int xdr_decode_AFSFetchStatus(struct afs_call *call,
u64 data_version, size;
u32 type, abort_code;
u8 flags = 0;
int ret;
if (vnode)
write_seqlock(&vnode->cb_lock);
abort_code = ntohl(xdr->abort_code);
@@ -154,8 +150,7 @@ static int xdr_decode_AFSFetchStatus(struct afs_call *call,
* case.
*/
status->abort_code = abort_code;
ret = 0;
goto out;
return 0;
}
pr_warn("Unknown AFSFetchStatus version %u\n", ntohl(xdr->if_version));
@@ -164,8 +159,7 @@ static int xdr_decode_AFSFetchStatus(struct afs_call *call,
if (abort_code != 0 && inline_error) {
status->abort_code = abort_code;
ret = 0;
goto out;
return 0;
}
type = ntohl(xdr->type);
@@ -235,17 +229,35 @@ static int xdr_decode_AFSFetchStatus(struct afs_call *call,
flags);
}
ret = 0;
out:
if (vnode)
write_sequnlock(&vnode->cb_lock);
return ret;
return 0;
bad:
xdr_dump_bad(*_bp);
ret = afs_protocol_error(call, -EBADMSG);
goto out;
return afs_protocol_error(call, -EBADMSG);
}
/*
* Decode the file status. We need to lock the target vnode if we're going to
* update its status so that stat() sees the attributes update atomically.
*/
static int afs_decode_status(struct afs_call *call,
const __be32 **_bp,
struct afs_file_status *status,
struct afs_vnode *vnode,
const afs_dataversion_t *expected_version,
struct afs_read *read_req)
{
int ret;
if (!vnode)
return xdr_decode_AFSFetchStatus(call, _bp, status, vnode,
expected_version, read_req);
write_seqlock(&vnode->cb_lock);
ret = xdr_decode_AFSFetchStatus(call, _bp, status, vnode,
expected_version, read_req);
write_sequnlock(&vnode->cb_lock);
return ret;
}
/*
@@ -387,8 +399,8 @@ static int afs_deliver_fs_fetch_status_vnode(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
xdr_decode_AFSCallBack(call, vnode, &bp);
if (call->reply[1])
@@ -568,8 +580,8 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
return ret;
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&vnode->status.data_version, req) < 0)
if (afs_decode_status(call, &bp, &vnode->status, vnode,
&vnode->status.data_version, req) < 0)
return afs_protocol_error(call, -EBADMSG);
xdr_decode_AFSCallBack(call, vnode, &bp);
if (call->reply[1])
@@ -721,9 +733,9 @@ static int afs_deliver_fs_create_vnode(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
xdr_decode_AFSFid(&bp, call->reply[1]);
if (xdr_decode_AFSFetchStatus(call, &bp, call->reply[2], NULL, NULL, NULL) < 0 ||
xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, call->reply[2], NULL, NULL, NULL) < 0 ||
afs_decode_status(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
xdr_decode_AFSCallBack_raw(&bp, call->reply[3]);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -827,8 +839,8 @@ static int afs_deliver_fs_remove(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -917,9 +929,9 @@ static int afs_deliver_fs_link(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode, NULL, NULL) < 0 ||
xdr_decode_AFSFetchStatus(call, &bp, &dvnode->status, dvnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, &vnode->status, vnode, NULL, NULL) < 0 ||
afs_decode_status(call, &bp, &dvnode->status, dvnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -1004,9 +1016,9 @@ static int afs_deliver_fs_symlink(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
xdr_decode_AFSFid(&bp, call->reply[1]);
if (xdr_decode_AFSFetchStatus(call, &bp, call->reply[2], NULL, NULL, NULL) ||
xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, call->reply[2], NULL, NULL, NULL) ||
afs_decode_status(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -1110,12 +1122,12 @@ static int afs_deliver_fs_rename(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &orig_dvnode->status, orig_dvnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, &orig_dvnode->status, orig_dvnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
if (new_dvnode != orig_dvnode &&
xdr_decode_AFSFetchStatus(call, &bp, &new_dvnode->status, new_dvnode,
&call->expected_version_2, NULL) < 0)
afs_decode_status(call, &bp, &new_dvnode->status, new_dvnode,
&call->expected_version_2, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -1219,8 +1231,8 @@ static int afs_deliver_fs_store_data(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -1395,8 +1407,8 @@ static int afs_deliver_fs_store_status(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
if (xdr_decode_AFSFetchStatus(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
if (afs_decode_status(call, &bp, &vnode->status, vnode,
&call->expected_version, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
/* xdr_decode_AFSVolSync(&bp, call->reply[X]); */
@@ -2097,8 +2109,8 @@ static int afs_deliver_fs_fetch_status(struct afs_call *call)
/* unmarshall the reply once we've received all of it */
bp = call->buffer;
xdr_decode_AFSFetchStatus(call, &bp, status, vnode,
&call->expected_version, NULL);
afs_decode_status(call, &bp, status, vnode,
&call->expected_version, NULL);
callback[call->count].version = ntohl(bp[0]);
callback[call->count].expiry = ntohl(bp[1]);
callback[call->count].type = ntohl(bp[2]);
@@ -2209,9 +2221,9 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
bp = call->buffer;
statuses = call->reply[1];
if (xdr_decode_AFSFetchStatus(call, &bp, &statuses[call->count],
call->count == 0 ? vnode : NULL,
NULL, NULL) < 0)
if (afs_decode_status(call, &bp, &statuses[call->count],
call->count == 0 ? vnode : NULL,
NULL, NULL) < 0)
return afs_protocol_error(call, -EBADMSG);
call->count++;