xiaomi-sm8450/android_kernel_xiaomi_sm8450
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move d_rcu from overlapping d_child to overlapping d_alias

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-10-26 19:19:16 -04:00
parent a7400222e3
commit 946e51f2bf
24 changed files with 73 additions and 74 deletions
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12
fs/autofs4/expire.c
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@@ -85,7 +85,7 @@ static struct dentry *get_next_positive_subdir(struct dentry *prev,
spin_lock(&root->d_lock);
if (prev)
next = prev->d_u.d_child.next;
next = prev->d_child.next;
else {
prev = dget_dlock(root);
next = prev->d_subdirs.next;
@@ -99,13 +99,13 @@ cont:
return NULL;
}
q = list_entry(next, struct dentry, d_u.d_child);
q = list_entry(next, struct dentry, d_child);
spin_lock_nested(&q->d_lock, DENTRY_D_LOCK_NESTED);
/* Already gone or negative dentry (under construction) - try next */
if (!d_count(q) || !simple_positive(q)) {
spin_unlock(&q->d_lock);
next = q->d_u.d_child.next;
next = q->d_child.next;
goto cont;
}
dget_dlock(q);
@@ -155,13 +155,13 @@ again:
goto relock;
}
spin_unlock(&p->d_lock);
next = p->d_u.d_child.next;
next = p->d_child.next;
p = parent;
if (next != &parent->d_subdirs)
break;
}
}
ret = list_entry(next, struct dentry, d_u.d_child);
ret = list_entry(next, struct dentry, d_child);
spin_lock_nested(&ret->d_lock, DENTRY_D_LOCK_NESTED);
/* Negative dentry - try next */
@@ -489,7 +489,7 @@ found:
spin_lock(&sbi->lookup_lock);
spin_lock(&expired->d_parent->d_lock);
spin_lock_nested(&expired->d_lock, DENTRY_D_LOCK_NESTED);
list_move(&expired->d_parent->d_subdirs, &expired->d_u.d_child);
list_move(&expired->d_parent->d_subdirs, &expired->d_child);
spin_unlock(&expired->d_lock);
spin_unlock(&expired->d_parent->d_lock);
spin_unlock(&sbi->lookup_lock);