diff options
Diffstat (limited to 'fs/afs/cell.c')
| -rw-r--r-- | fs/afs/cell.c | 51 |
1 files changed, 18 insertions, 33 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c index 1fc578372759..28ed84ec8ff7 100644 --- a/fs/afs/cell.c +++ b/fs/afs/cell.c @@ -1,4 +1,4 @@ -/* cell.c: AFS cell and server record management +/* AFS cell and server record management * * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -44,7 +44,6 @@ struct cachefs_index_def afs_cache_cell_index_def = { }; #endif -/*****************************************************************************/ /* * create a cell record * - "name" is the name of the cell @@ -137,16 +136,15 @@ int afs_cell_create(const char *name, char *vllist, struct afs_cell **_cell) _leave(" = 0 (%p)", cell); return 0; - badaddr: +badaddr: printk(KERN_ERR "kAFS: bad VL server IP address: '%s'\n", vllist); - error: +error: up_write(&afs_cells_sem); kfree(cell); _leave(" = %d", ret); return ret; -} /* end afs_cell_create() */ +} -/*****************************************************************************/ /* * initialise the cell database from module parameters */ @@ -199,10 +197,8 @@ int afs_cell_init(char *rootcell) _leave(" = %d", ret); return ret; +} -} /* end afs_cell_init() */ - -/*****************************************************************************/ /* * lookup a cell record */ @@ -234,8 +230,7 @@ int afs_cell_lookup(const char *name, unsigned namesz, struct afs_cell **_cell) if (cell) ret = 0; - } - else { + } else { read_lock(&afs_cells_lock); cell = afs_cell_root; @@ -247,8 +242,7 @@ int afs_cell_lookup(const char *name, unsigned namesz, struct afs_cell **_cell) * for other reasons. */ ret = -EDESTADDRREQ; - } - else { + } else { afs_get_cell(cell); ret = 0; } @@ -259,10 +253,8 @@ int afs_cell_lookup(const char *name, unsigned namesz, struct afs_cell **_cell) *_cell = cell; _leave(" = %d (%p)", ret, cell); return ret; +} -} /* end afs_cell_lookup() */ - -/*****************************************************************************/ /* * try and get a cell record */ @@ -281,9 +273,8 @@ struct afs_cell *afs_get_cell_maybe(struct afs_cell **_cell) write_unlock(&afs_cells_lock); return cell; -} /* end afs_get_cell_maybe() */ +} -/*****************************************************************************/ /* * destroy a cell record */ @@ -315,9 +306,8 @@ void afs_put_cell(struct afs_cell *cell) BUG_ON(!list_empty(&cell->vl_graveyard)); _leave(" [unused]"); -} /* end afs_put_cell() */ +} -/*****************************************************************************/ /* * destroy a cell record */ @@ -359,9 +349,8 @@ static void afs_cell_destroy(struct afs_cell *cell) kfree(cell); _leave(" [destroyed]"); -} /* end afs_cell_destroy() */ +} -/*****************************************************************************/ /* * lookup the server record corresponding to an Rx RPC peer */ @@ -411,7 +400,7 @@ int afs_server_find_by_peer(const struct rxrpc_peer *peer, return -ENOENT; /* we found it in the graveyard - resurrect it */ - found_dead_server: +found_dead_server: list_move_tail(&server->link, &cell->sv_list); afs_get_server(server); afs_kafstimod_del_timer(&server->timeout); @@ -419,20 +408,18 @@ int afs_server_find_by_peer(const struct rxrpc_peer *peer, goto success; /* we found it - increment its ref count and return it */ - found_server: +found_server: afs_get_server(server); - success: +success: write_unlock(&cell->sv_lock); read_unlock(&afs_cells_lock); *_server = server; _leave(" = 0 (s=%p c=%p)", server, cell); return 0; +} -} /* end afs_server_find_by_peer() */ - -/*****************************************************************************/ /* * purge in-memory cell database on module unload or afs_init() failure * - the timeout daemon is stopped before calling this @@ -520,9 +507,8 @@ void afs_cell_purge(void) } _leave(""); -} /* end afs_cell_purge() */ +} -/*****************************************************************************/ /* * match a cell record obtained from the cache */ @@ -542,10 +528,9 @@ static cachefs_match_val_t afs_cell_cache_match(void *target, _leave(" = FAILED"); return CACHEFS_MATCH_FAILED; -} /* end afs_cell_cache_match() */ +} #endif -/*****************************************************************************/ /* * update a cell record in the cache */ @@ -563,5 +548,5 @@ static void afs_cell_cache_update(void *source, void *entry) cell->vl_addrs, min(sizeof(ccell->vl_servers), sizeof(cell->vl_addrs))); -} /* end afs_cell_cache_update() */ +} #endif |