From ec26815ad847dbf74a1e27aa5515fb7d5dc6ee6f Mon Sep 17 00:00:00 2001 From: David Howells Date: Thu, 26 Apr 2007 15:49:28 -0700 Subject: [AFS]: Clean up the AFS sources Clean up the AFS sources. Also remove references to AFS keys. RxRPC keys are used instead. Signed-off-by: David Howells Signed-off-by: David S. Miller --- fs/afs/vlocation.c | 102 +++++++++++++++++++---------------------------------- 1 file changed, 36 insertions(+), 66 deletions(-) (limited to 'fs/afs/vlocation.c') diff --git a/fs/afs/vlocation.c b/fs/afs/vlocation.c index 782ee7c600c..e48728c9217 100644 --- a/fs/afs/vlocation.c +++ b/fs/afs/vlocation.c @@ -1,4 +1,4 @@ -/* vlocation.c: volume location management +/* volume location management * * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -73,7 +73,6 @@ struct cachefs_index_def afs_vlocation_cache_index_def = { }; #endif -/*****************************************************************************/ /* * iterate through the VL servers in a cell until one of them admits knowing * about the volume in question @@ -146,13 +145,11 @@ static int afs_vlocation_access_vl_by_name(struct afs_vlocation *vlocation, cell->vl_curr_svix %= cell->vl_naddrs; } - out: +out: _leave(" = %d", ret); return ret; +} -} /* end afs_vlocation_access_vl_by_name() */ - -/*****************************************************************************/ /* * iterate through the VL servers in a cell until one of them admits knowing * about the volume in question @@ -225,13 +222,11 @@ static int afs_vlocation_access_vl_by_id(struct afs_vlocation *vlocation, cell->vl_curr_svix %= cell->vl_naddrs; } - out: +out: _leave(" = %d", ret); return ret; +} -} /* end afs_vlocation_access_vl_by_id() */ - -/*****************************************************************************/ /* * lookup volume location * - caller must have cell->vol_sem write-locked @@ -321,7 +316,7 @@ int afs_vlocation_lookup(struct afs_cell *cell, goto found_on_vlserver; - found_in_graveyard: +found_in_graveyard: /* found in the graveyard - resurrect */ _debug("found in graveyard"); atomic_inc(&vlocation->usage); @@ -331,16 +326,16 @@ int afs_vlocation_lookup(struct afs_cell *cell, afs_kafstimod_del_timer(&vlocation->timeout); goto active; - found_in_memory: +found_in_memory: /* found in memory - check to see if it's active */ _debug("found in memory"); atomic_inc(&vlocation->usage); - active: +active: active = 1; #ifdef AFS_CACHING_SUPPORT - found_in_cache: +found_in_cache: #endif /* try to look up a cached volume in the cell VL databases by ID */ _debug("found in cache"); @@ -364,16 +359,13 @@ int afs_vlocation_lookup(struct afs_cell *cell, if (vlocation->vldb.vidmask & AFS_VOL_VTM_RW) { vid = vlocation->vldb.vid[0]; voltype = AFSVL_RWVOL; - } - else if (vlocation->vldb.vidmask & AFS_VOL_VTM_RO) { + } else if (vlocation->vldb.vidmask & AFS_VOL_VTM_RO) { vid = vlocation->vldb.vid[1]; voltype = AFSVL_ROVOL; - } - else if (vlocation->vldb.vidmask & AFS_VOL_VTM_BAK) { + } else if (vlocation->vldb.vidmask & AFS_VOL_VTM_BAK) { vid = vlocation->vldb.vid[2]; voltype = AFSVL_BACKVOL; - } - else { + } else { BUG(); vid = 0; voltype = 0; @@ -400,7 +392,7 @@ int afs_vlocation_lookup(struct afs_cell *cell, goto error; } - found_on_vlserver: +found_on_vlserver: _debug("Done VL Lookup: %*.*s %02x { %08x(%x) %08x(%x) %08x(%x) }", namesz, namesz, name, vldb.vidmask, @@ -430,12 +422,11 @@ int afs_vlocation_lookup(struct afs_cell *cell, _leave(" = 0 (%p)",vlocation); return 0; - error: +error: if (vlocation) { if (active) { __afs_put_vlocation(vlocation); - } - else { + } else { list_del(&vlocation->link); #ifdef AFS_CACHING_SUPPORT cachefs_relinquish_cookie(vlocation->cache, 0); @@ -447,9 +438,8 @@ int afs_vlocation_lookup(struct afs_cell *cell, _leave(" = %d", ret); return ret; -} /* end afs_vlocation_lookup() */ +} -/*****************************************************************************/ /* * finish using a volume location record * - caller must have cell->vol_sem write-locked @@ -489,9 +479,8 @@ static void __afs_put_vlocation(struct afs_vlocation *vlocation) spin_unlock(&cell->vl_gylock); _leave(" [killed]"); -} /* end __afs_put_vlocation() */ +} -/*****************************************************************************/ /* * finish using a volume location record */ @@ -504,9 +493,8 @@ void afs_put_vlocation(struct afs_vlocation *vlocation) __afs_put_vlocation(vlocation); up_write(&cell->vl_sem); } -} /* end afs_put_vlocation() */ +} -/*****************************************************************************/ /* * timeout vlocation record * - removes from the cell's graveyard if the usage count is zero @@ -543,9 +531,8 @@ void afs_vlocation_do_timeout(struct afs_vlocation *vlocation) kfree(vlocation); _leave(" [destroyed]"); -} /* end afs_vlocation_do_timeout() */ +} -/*****************************************************************************/ /* * send an update operation to the currently selected server */ @@ -564,16 +551,13 @@ static int afs_vlocation_update_begin(struct afs_vlocation *vlocation) if (vlocation->vldb.vidmask & AFS_VOL_VTM_RW) { vid = vlocation->vldb.vid[0]; voltype = AFSVL_RWVOL; - } - else if (vlocation->vldb.vidmask & AFS_VOL_VTM_RO) { + } else if (vlocation->vldb.vidmask & AFS_VOL_VTM_RO) { vid = vlocation->vldb.vid[1]; voltype = AFSVL_ROVOL; - } - else if (vlocation->vldb.vidmask & AFS_VOL_VTM_BAK) { + } else if (vlocation->vldb.vidmask & AFS_VOL_VTM_BAK) { vid = vlocation->vldb.vid[2]; voltype = AFSVL_BACKVOL; - } - else { + } else { BUG(); vid = 0; voltype = 0; @@ -604,9 +588,8 @@ static int afs_vlocation_update_begin(struct afs_vlocation *vlocation) _leave(" = %d", ret); return ret; -} /* end afs_vlocation_update_begin() */ +} -/*****************************************************************************/ /* * abandon updating a VL record * - does not restart the update timer @@ -634,9 +617,8 @@ static void afs_vlocation_update_abandon(struct afs_vlocation *vlocation, spin_unlock(&afs_vlocation_update_lock); _leave(""); -} /* end afs_vlocation_update_abandon() */ +} -/*****************************************************************************/ /* * handle periodic update timeouts and busy retry timeouts * - called from kafstimod @@ -663,8 +645,7 @@ static void afs_vlocation_update_timer(struct afs_timer *timer) if (afs_vlocation_update) { list_add(&vlocation->upd_op.link, &afs_vlocation_update_pendq); - } - else { + } else { afs_get_vlocation(vlocation); afs_vlocation_update = vlocation; vlocation->upd_state = AFS_VLUPD_INPROGRESS; @@ -706,16 +687,13 @@ static void afs_vlocation_update_timer(struct afs_timer *timer) _leave(""); return; - out_unlock2: +out_unlock2: spin_unlock(&afs_vlocation_update_lock); - out_unlock1: +out_unlock1: spin_unlock(&vlocation->cell->vl_gylock); _leave(""); - return; - -} /* end afs_vlocation_update_timer() */ +} -/*****************************************************************************/ /* * attend to an update operation upon which an event happened * - called in kafsasyncd context @@ -818,7 +796,7 @@ static void afs_vlocation_update_attend(struct afs_async_op *op) } /* try contacting the next server */ - try_next: +try_next: vlocation->upd_busy_cnt = 0; /* discard the server record */ @@ -856,15 +834,13 @@ static void afs_vlocation_update_attend(struct afs_async_op *op) } /* abandon the update */ - abandon: +abandon: afs_vlocation_update_abandon(vlocation, AFS_VLUPD_SLEEP, ret); afs_kafstimod_add_timer(&vlocation->upd_timer, HZ * 10); afs_put_vlocation(vlocation); _leave(" [abandoned]"); +} -} /* end afs_vlocation_update_attend() */ - -/*****************************************************************************/ /* * deal with an update operation being discarded * - called in kafsasyncd context when it's dying due to rmmod @@ -883,9 +859,8 @@ static void afs_vlocation_update_discard(struct afs_async_op *op) afs_put_vlocation(vlocation); _leave(""); -} /* end afs_vlocation_update_discard() */ +} -/*****************************************************************************/ /* * match a VLDB record stored in the cache * - may also load target from entry @@ -908,9 +883,7 @@ static cachefs_match_val_t afs_vlocation_cache_match(void *target, vlocation->valid = 1; _leave(" = SUCCESS [c->m]"); return CACHEFS_MATCH_SUCCESS; - } - /* need to update cache if cached info differs */ - else if (memcmp(&vlocation->vldb, vldb, sizeof(*vldb)) != 0) { + } else if (memcmp(&vlocation->vldb, vldb, sizeof(*vldb)) != 0) { /* delete if VIDs for this name differ */ if (memcmp(&vlocation->vldb.vid, &vldb->vid, @@ -921,8 +894,7 @@ static cachefs_match_val_t afs_vlocation_cache_match(void *target, _leave(" = UPDATE"); return CACHEFS_MATCH_SUCCESS_UPDATE; - } - else { + } else { _leave(" = SUCCESS"); return CACHEFS_MATCH_SUCCESS; } @@ -930,10 +902,9 @@ static cachefs_match_val_t afs_vlocation_cache_match(void *target, _leave(" = FAILED"); return CACHEFS_MATCH_FAILED; -} /* end afs_vlocation_cache_match() */ +} #endif -/*****************************************************************************/ /* * update a VLDB record stored in the cache */ @@ -946,6 +917,5 @@ static void afs_vlocation_cache_update(void *source, void *entry) _enter(""); *vldb = vlocation->vldb; - -} /* end afs_vlocation_cache_update() */ +} #endif -- cgit v1.2.3-18-g5258