diff options
Diffstat (limited to 'fs/cachefiles')
| -rw-r--r-- | fs/cachefiles/interface.c | 13 | ||||
| -rw-r--r-- | fs/cachefiles/namei.c | 10 | ||||
| -rw-r--r-- | fs/cachefiles/xattr.c | 6 |
3 files changed, 17 insertions, 12 deletions
diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c index 746ce53..d4c1206 100644 --- a/fs/cachefiles/interface.c +++ b/fs/cachefiles/interface.c @@ -13,8 +13,6 @@ #include <linux/mount.h> #include "internal.h" -#define list_to_page(head) (list_entry((head)->prev, struct page, lru)) - struct cachefiles_lookup_data { struct cachefiles_xattr *auxdata; /* auxiliary data */ char *key; /* key path */ @@ -212,20 +210,29 @@ static void cachefiles_update_object(struct fscache_object *_object) object = container_of(_object, struct cachefiles_object, fscache); cache = container_of(object->fscache.cache, struct cachefiles_cache, cache); + + if (!fscache_use_cookie(_object)) { + _leave(" [relinq]"); + return; + } + cookie = object->fscache.cookie; if (!cookie->def->get_aux) { + fscache_unuse_cookie(_object); _leave(" [no aux]"); return; } auxdata = kmalloc(2 + 512 + 3, cachefiles_gfp); if (!auxdata) { + fscache_unuse_cookie(_object); _leave(" [nomem]"); return; } auxlen = cookie->def->get_aux(cookie->netfs_data, auxdata->data, 511); + fscache_unuse_cookie(_object); ASSERTCMP(auxlen, <, 511); auxdata->len = auxlen + 1; @@ -263,7 +270,7 @@ static void cachefiles_drop_object(struct fscache_object *_object) #endif /* delete retired objects */ - if (object->fscache.state == FSCACHE_OBJECT_RECYCLING && + if (test_bit(FSCACHE_COOKIE_RETIRED, &object->fscache.cookie->flags) && _object != cache->cache.fsdef ) { _debug("- retire object OBJ%x", object->fscache.debug_id); diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index 8c01c5fc..25badd1 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -38,7 +38,7 @@ void __cachefiles_printk_object(struct cachefiles_object *object, printk(KERN_ERR "%sobject: OBJ%x\n", prefix, object->fscache.debug_id); printk(KERN_ERR "%sobjstate=%s fl=%lx wbusy=%x ev=%lx[%lx]\n", - prefix, fscache_object_states[object->fscache.state], + prefix, object->fscache.state->name, object->fscache.flags, work_busy(&object->fscache.work), object->fscache.events, object->fscache.event_mask); printk(KERN_ERR "%sops=%u inp=%u exc=%u\n", @@ -127,10 +127,10 @@ static void cachefiles_mark_object_buried(struct cachefiles_cache *cache, found_dentry: kdebug("preemptive burial: OBJ%x [%s] %p", object->fscache.debug_id, - fscache_object_states[object->fscache.state], + object->fscache.state->name, dentry); - if (object->fscache.state < FSCACHE_OBJECT_DYING) { + if (fscache_object_is_live(&object->fscache)) { printk(KERN_ERR "\n"); printk(KERN_ERR "CacheFiles: Error:" " Can't preemptively bury live object\n"); @@ -192,7 +192,7 @@ try_again: /* an old object from a previous incarnation is hogging the slot - we * need to wait for it to be destroyed */ wait_for_old_object: - if (xobject->fscache.state < FSCACHE_OBJECT_DYING) { + if (fscache_object_is_live(&object->fscache)) { printk(KERN_ERR "\n"); printk(KERN_ERR "CacheFiles: Error:" " Unexpected object collision\n"); @@ -836,7 +836,7 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache, // dir->d_name.len, dir->d_name.len, dir->d_name.name, filename); /* look up the victim */ - mutex_lock_nested(&dir->d_inode->i_mutex, 1); + mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT); start = jiffies; victim = lookup_one_len(filename, dir, strlen(filename)); diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c index 73b4628..2476e51 100644 --- a/fs/cachefiles/xattr.c +++ b/fs/cachefiles/xattr.c @@ -109,13 +109,12 @@ int cachefiles_set_object_xattr(struct cachefiles_object *object, struct dentry *dentry = object->dentry; int ret; - ASSERT(object->fscache.cookie); ASSERT(dentry); _enter("%p,#%d", object, auxdata->len); /* attempt to install the cache metadata directly */ - _debug("SET %s #%u", object->fscache.cookie->def->name, auxdata->len); + _debug("SET #%u", auxdata->len); ret = vfs_setxattr(dentry, cachefiles_xattr_cache, &auxdata->type, auxdata->len, @@ -138,13 +137,12 @@ int cachefiles_update_object_xattr(struct cachefiles_object *object, struct dentry *dentry = object->dentry; int ret; - ASSERT(object->fscache.cookie); ASSERT(dentry); _enter("%p,#%d", object, auxdata->len); /* attempt to install the cache metadata directly */ - _debug("SET %s #%u", object->fscache.cookie->def->name, auxdata->len); + _debug("SET #%u", auxdata->len); ret = vfs_setxattr(dentry, cachefiles_xattr_cache, &auxdata->type, auxdata->len, |