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-rw-r--r--fs/fscache/cookie.c29
-rw-r--r--fs/fscache/fsdef.c1
-rw-r--r--fs/fscache/object-list.c14
3 files changed, 28 insertions, 16 deletions
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 751bc5b1cddf..f2be98d2c64d 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -29,21 +29,29 @@ static int fscache_attach_object(struct fscache_cookie *cookie,
static void fscache_print_cookie(struct fscache_cookie *cookie, char prefix)
{
- struct hlist_node *object;
+ struct fscache_object *object;
+ struct hlist_node *o;
const u8 *k;
unsigned loop;
- pr_err("%c-cookie c=%p [p=%p fl=%lx nc=%u na=%u]\n",
- prefix, cookie, cookie->parent, cookie->flags,
+ pr_err("%c-cookie c=%08x [p=%08x fl=%lx nc=%u na=%u]\n",
+ prefix,
+ cookie->debug_id,
+ cookie->parent ? cookie->parent->debug_id : 0,
+ cookie->flags,
atomic_read(&cookie->n_children),
atomic_read(&cookie->n_active));
- pr_err("%c-cookie d=%p n=%p\n",
- prefix, cookie->def, cookie->netfs_data);
+ pr_err("%c-cookie d=%p{%s} n=%p\n",
+ prefix,
+ cookie->def,
+ cookie->def ? cookie->def->name : "?",
+ cookie->netfs_data);
- object = READ_ONCE(cookie->backing_objects.first);
- if (object)
- pr_err("%c-cookie o=%p\n",
- prefix, hlist_entry(object, struct fscache_object, cookie_link));
+ o = READ_ONCE(cookie->backing_objects.first);
+ if (o) {
+ object = hlist_entry(o, struct fscache_object, cookie_link);
+ pr_err("%c-cookie o=%u\n", prefix, object->debug_id);
+ }
pr_err("%c-key=[%u] '", prefix, cookie->key_len);
k = (cookie->key_len <= sizeof(cookie->inline_key)) ?
@@ -129,6 +137,8 @@ static long fscache_compare_cookie(const struct fscache_cookie *a,
return memcmp(ka, kb, a->key_len);
}
+static atomic_t fscache_cookie_debug_id = ATOMIC_INIT(1);
+
/*
* Allocate a cookie.
*/
@@ -163,6 +173,7 @@ struct fscache_cookie *fscache_alloc_cookie(
atomic_set(&cookie->usage, 1);
atomic_set(&cookie->n_children, 0);
+ cookie->debug_id = atomic_inc_return(&fscache_cookie_debug_id);
/* We keep the active count elevated until relinquishment to prevent an
* attempt to wake up every time the object operations queue quiesces.
diff --git a/fs/fscache/fsdef.c b/fs/fscache/fsdef.c
index 09ed8795ad86..5f8f6fe243fe 100644
--- a/fs/fscache/fsdef.c
+++ b/fs/fscache/fsdef.c
@@ -45,6 +45,7 @@ static struct fscache_cookie_def fscache_fsdef_index_def = {
};
struct fscache_cookie fscache_fsdef_index = {
+ .debug_id = 1,
.usage = ATOMIC_INIT(1),
.n_active = ATOMIC_INIT(1),
.lock = __SPIN_LOCK_UNLOCKED(fscache_fsdef_index.lock),
diff --git a/fs/fscache/object-list.c b/fs/fscache/object-list.c
index e106a1a1600d..1a0dc32c0a33 100644
--- a/fs/fscache/object-list.c
+++ b/fs/fscache/object-list.c
@@ -170,7 +170,7 @@ static int fscache_objlist_show(struct seq_file *m, void *v)
if ((unsigned long) v == 1) {
seq_puts(m, "OBJECT PARENT STAT CHLDN OPS OOP IPR EX READS"
" EM EV FL S"
- " | NETFS_COOKIE_DEF TY FL NETFS_DATA");
+ " | COOKIE NETFS_COOKIE_DEF TY FL NETFS_DATA");
if (config & (FSCACHE_OBJLIST_CONFIG_KEY |
FSCACHE_OBJLIST_CONFIG_AUX))
seq_puts(m, " ");
@@ -189,7 +189,7 @@ static int fscache_objlist_show(struct seq_file *m, void *v)
if ((unsigned long) v == 2) {
seq_puts(m, "======== ======== ==== ===== === === === == ====="
" == == == ="
- " | ================ == == ================");
+ " | ======== ================ == === ================");
if (config & (FSCACHE_OBJLIST_CONFIG_KEY |
FSCACHE_OBJLIST_CONFIG_AUX))
seq_puts(m, " ================");
@@ -231,9 +231,9 @@ static int fscache_objlist_show(struct seq_file *m, void *v)
}
seq_printf(m,
- "%8x %8x %s %5u %3u %3u %3u %2u %5u %2lx %2lx %2lx %1x | ",
+ "%08x %08x %s %5u %3u %3u %3u %2u %5u %2lx %2lx %2lx %1x | ",
obj->debug_id,
- obj->parent ? obj->parent->debug_id : -1,
+ obj->parent ? obj->parent->debug_id : UINT_MAX,
obj->state->short_name,
obj->n_children,
obj->n_ops,
@@ -246,7 +246,7 @@ static int fscache_objlist_show(struct seq_file *m, void *v)
obj->flags,
work_busy(&obj->work));
- if (fscache_use_cookie(obj)) {
+ if (obj->cookie) {
uint16_t keylen = 0, auxlen = 0;
switch (cookie->type) {
@@ -263,7 +263,8 @@ static int fscache_objlist_show(struct seq_file *m, void *v)
break;
}
- seq_printf(m, "%-16s %s %2lx %16p",
+ seq_printf(m, "%08x %-16s %s %3lx %16p",
+ cookie->debug_id,
cookie->def->name,
type,
cookie->flags,
@@ -292,7 +293,6 @@ static int fscache_objlist_show(struct seq_file *m, void *v)
}
seq_puts(m, "\n");
- fscache_unuse_cookie(obj);
} else {
seq_puts(m, "<no_netfs>\n");
}