[kernel] r18810 - in dists/trunk/linux-2.6/debian: . patches/features/all/aufs3
Ben Hutchings
benh at alioth.debian.org
Sun Mar 11 05:25:55 UTC 2012
Author: benh
Date: Sun Mar 11 05:25:53 2012
New Revision: 18810
Log:
aufs: Update to aufs3.x-rcN-20120312
Modified:
dists/trunk/linux-2.6/debian/changelog
dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-add.patch
dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-base.patch
dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-standalone.patch
Modified: dists/trunk/linux-2.6/debian/changelog
==============================================================================
--- dists/trunk/linux-2.6/debian/changelog Sun Mar 11 04:30:08 2012 (r18809)
+++ dists/trunk/linux-2.6/debian/changelog Sun Mar 11 05:25:53 2012 (r18810)
@@ -4,6 +4,7 @@
[ Ben Hutchings ]
* [x86] crypto: Enable CRYPTO_SERPENT_SSE2_586, CRYPTO_SERPENT_SSE2_X86_64
+ * aufs: Update to aufs3.x-rcN-20120312
-- Ben Hutchings <ben at decadent.org.uk> Fri, 09 Mar 2012 05:27:29 +0000
Modified: dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-add.patch
==============================================================================
--- dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-add.patch Sun Mar 11 04:30:08 2012 (r18809)
+++ dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-add.patch Sun Mar 11 05:25:53 2012 (r18810)
@@ -11044,8 +11044,8 @@
+#endif /* __KERNEL__ */
+#endif /* __AUFS_FSTYPE_H__ */
--- a/fs/aufs/hfsnotify.c 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/hfsnotify.c 2012-01-10 02:15:56.553455997 +0000
-@@ -0,0 +1,247 @@
++++ b/fs/aufs/hfsnotify.c 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -11074,15 +11074,17 @@
+static const __u32 AuHfsnMask = (FS_MOVED_TO | FS_MOVED_FROM | FS_DELETE
+ | FS_CREATE | FS_EVENT_ON_CHILD);
+static DECLARE_WAIT_QUEUE_HEAD(au_hfsn_wq);
++static __cacheline_aligned_in_smp atomic64_t au_hfsn_ifree = ATOMIC64_INIT(0);
+
+static void au_hfsn_free_mark(struct fsnotify_mark *mark)
+{
+ struct au_hnotify *hn = container_of(mark, struct au_hnotify,
+ hn_mark);
+ AuDbg("here\n");
-+ hn->hn_mark_dead = 1;
-+ smp_mb();
-+ wake_up_all(&au_hfsn_wq);
++ au_cache_free_hnotify(hn);
++ smp_mb__before_atomic_dec();
++ atomic64_dec(&au_hfsn_ifree);
++ wake_up(&au_hfsn_wq);
+}
+
+static int au_hfsn_alloc(struct au_hinode *hinode)
@@ -11097,7 +11099,6 @@
+ sb = hn->hn_aufs_inode->i_sb;
+ bindex = au_br_index(sb, hinode->hi_id);
+ br = au_sbr(sb, bindex);
-+ hn->hn_mark_dead = 0;
+ mark = &hn->hn_mark;
+ fsnotify_init_mark(mark, au_hfsn_free_mark);
+ mark->mask = AuHfsnMask;
@@ -11109,18 +11110,20 @@
+ /*mnt*/NULL, /*allow_dups*/1);
+}
+
-+static void au_hfsn_free(struct au_hinode *hinode)
++static int au_hfsn_free(struct au_hinode *hinode, struct au_hnotify *hn)
+{
-+ struct au_hnotify *hn;
+ struct fsnotify_mark *mark;
++ unsigned long long ull;
++
++ ull = atomic64_inc_return(&au_hfsn_ifree);
++ BUG_ON(!ull);
+
-+ hn = hinode->hi_notify;
+ mark = &hn->hn_mark;
+ fsnotify_destroy_mark(mark);
+ fsnotify_put_mark(mark);
+
-+ /* TODO: bad approach */
-+ wait_event(au_hfsn_wq, hn->hn_mark_dead);
++ /* free hn by myself */
++ return 0;
+}
+
+/* ---------------------------------------------------------------------- */
@@ -11284,11 +11287,21 @@
+ return err;
+}
+
++/* ---------------------------------------------------------------------- */
++
++static void au_hfsn_fin(void)
++{
++ AuDbg("au_hfsn_ifree %lld\n", (long long)atomic64_read(&au_hfsn_ifree));
++ wait_event(au_hfsn_wq, !atomic64_read(&au_hfsn_ifree));
++}
++
+const struct au_hnotify_op au_hnotify_op = {
+ .ctl = au_hfsn_ctl,
+ .alloc = au_hfsn_alloc,
+ .free = au_hfsn_free,
+
++ .fin = au_hfsn_fin,
++
+ .reset_br = au_hfsn_reset_br,
+ .fin_br = au_hfsn_fin_br,
+ .init_br = au_hfsn_init_br
@@ -11354,7 +11367,7 @@
+ }
+}
--- a/fs/aufs/hnotify.c 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/hnotify.c 2012-01-10 02:15:56.553455997 +0000
++++ b/fs/aufs/hnotify.c 2012-03-11 05:01:22.570973560 +0000
@@ -0,0 +1,712 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
@@ -11416,9 +11429,9 @@
+
+ hn = hinode->hi_notify;
+ if (hn) {
-+ au_hnotify_op.free(hinode);
-+ au_cache_free_hnotify(hn);
+ hinode->hi_notify = NULL;
++ if (au_hnotify_op.free(hinode, hn))
++ au_cache_free_hnotify(hn);
+ }
+}
+
@@ -13064,8 +13077,8 @@
+ .truncate_range = aufs_truncate_range
+};
--- a/fs/aufs/i_op_add.c 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/i_op_add.c 2012-02-19 21:12:26.570427095 +0000
-@@ -0,0 +1,711 @@
++++ b/fs/aufs/i_op_add.c 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,712 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -13377,7 +13390,8 @@
+ return err;
+}
+
-+int aufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
++int aufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
++ dev_t dev)
+{
+ struct simple_arg arg = {
+ .type = Mknod,
@@ -14259,8 +14273,8 @@
+ return err;
+}
--- a/fs/aufs/i_op_ren.c 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/i_op_ren.c 2012-01-10 02:15:56.557456016 +0000
-@@ -0,0 +1,1017 @@
++++ b/fs/aufs/i_op_ren.c 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,1026 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -15170,6 +15184,15 @@
+ } else if (unlikely(d_unhashed(a->dst_dentry)))
+ goto out_unlock;
+
++ /*
++ * is it possible?
++ * yes, it happend (in linux-3.3-rcN) but I don't know why.
++ * there may exist a problem somewhere else.
++ */
++ err = -EINVAL;
++ if (unlikely(a->dst_parent->d_inode == a->src_dentry->d_inode))
++ goto out_unlock;
++
+ au_fset_ren(a->flags, ISSAMEDIR); /* temporary */
+ di_write_lock_parent(a->dst_parent);
+
@@ -16020,8 +16043,8 @@
+ return au_test_h_perm(h_inode, mask);
+}
--- a/fs/aufs/inode.h 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/inode.h 2012-02-19 21:12:26.570427095 +0000
-@@ -0,0 +1,554 @@
++++ b/fs/aufs/inode.h 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,560 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -16059,7 +16082,6 @@
+#ifdef CONFIG_AUFS_HFSNOTIFY
+ /* never use fsnotify_add_vfsmount_mark() */
+ struct fsnotify_mark hn_mark;
-+ int hn_mark_dead;
+#endif
+ struct inode *hn_aufs_inode; /* no get/put */
+#endif
@@ -16182,7 +16204,8 @@
+/* i_op_add.c */
+int au_may_add(struct dentry *dentry, aufs_bindex_t bindex,
+ struct dentry *h_parent, int isdir);
-+int aufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
++int aufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
++ dev_t dev);
+int aufs_symlink(struct inode *dir, struct dentry *dentry, const char *symname);
+int aufs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
+ struct nameidata *nd);
@@ -16479,7 +16502,13 @@
+struct au_hnotify_op {
+ void (*ctl)(struct au_hinode *hinode, int do_set);
+ int (*alloc)(struct au_hinode *hinode);
-+ void (*free)(struct au_hinode *hinode);
++
++ /*
++ * if it returns true, the the caller should free hinode->hi_notify,
++ * otherwise ->free() frees it.
++ */
++ int (*free)(struct au_hinode *hinode,
++ struct au_hnotify *hn) __must_check;
+
+ void (*fin)(void);
+ int (*init)(void);
@@ -17022,8 +17051,8 @@
+ccflags-y += -DHFSPLUS_SUPER_MAGIC=0x482b
+endif
--- a/fs/aufs/module.c 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/module.c 2012-01-10 02:15:56.557456016 +0000
-@@ -0,0 +1,195 @@
++++ b/fs/aufs/module.c 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -17091,8 +17120,9 @@
+{
+ int i;
+
-+ /* including AuCache_HNOTIFY */
-+ for (i = 0; i < AuCache_Last; i++)
++ /* excluding AuCache_HNOTIFY */
++ BUILD_BUG_ON(AuCache_HNOTIFY + 1 != AuCache_Last);
++ for (i = 0; i < AuCache_HNOTIFY; i++)
+ if (au_cachep[i]) {
+ kmem_cache_destroy(au_cachep[i]);
+ au_cachep[i] = NULL;
@@ -17220,8 +17250,8 @@
+module_init(aufs_init);
+module_exit(aufs_exit);
--- a/fs/aufs/module.h 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/module.h 2012-01-10 02:15:56.557456016 +0000
-@@ -0,0 +1,107 @@
++++ b/fs/aufs/module.h 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -17298,9 +17328,7 @@
+ AuCache_FINFO,
+ AuCache_VDIR,
+ AuCache_DEHSTR,
-+#ifdef CONFIG_AUFS_HNOTIFY
-+ AuCache_HNOTIFY,
-+#endif
++ AuCache_HNOTIFY, /* must be last */
+ AuCache_Last
+};
+
@@ -23962,8 +23990,8 @@
+ return 0;
+}
--- a/fs/aufs/vfsub.c 1970-01-01 01:00:00.000000000 +0100
-+++ b/fs/aufs/vfsub.c 2012-01-10 02:15:56.569456073 +0000
-@@ -0,0 +1,835 @@
++++ b/fs/aufs/vfsub.c 2012-03-11 05:01:22.570973560 +0000
+@@ -0,0 +1,832 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
+ *
@@ -24105,22 +24133,19 @@
+ */
+int vfsub_name_hash(const char *name, struct qstr *this, int len)
+{
-+ unsigned long hash;
+ unsigned int c;
+
+ this->name = name;
+ this->len = len;
++ this->hash = full_name_hash(name, len);
+ if (!len)
+ return -EACCES;
+
-+ hash = init_name_hash();
+ while (len--) {
+ c = *(const unsigned char *)name++;
+ if (c == '/' || c == '\0')
+ return -EACCES;
-+ hash = partial_name_hash(c, hash);
+ }
-+ this->hash = end_name_hash(hash);
+ return 0;
+}
+
@@ -28468,7 +28493,7 @@
+ return err;
+}
--- a/include/linux/aufs_type.h 1970-01-01 01:00:00.000000000 +0100
-+++ b/include/linux/aufs_type.h 2012-02-19 21:12:26.574427108 +0000
++++ b/include/linux/aufs_type.h 2012-03-11 05:01:22.570973560 +0000
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2005-2012 Junjiro R. Okajima
@@ -28511,7 +28536,7 @@
+
+#include <linux/limits.h>
+
-+#define AUFS_VERSION "3.x-rcN-20120123"
++#define AUFS_VERSION "3.x-rcN-20120312"
+
+/* todo? move this to linux-2.6.19/include/magic.h */
+#define AUFS_SUPER_MAGIC ('a' << 24 | 'u' << 16 | 'f' << 8 | 's')
Modified: dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-base.patch
==============================================================================
--- dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-base.patch Sun Mar 11 04:30:08 2012 (r18809)
+++ dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-base.patch Sun Mar 11 05:25:53 2012 (r18810)
@@ -1,10 +1,10 @@
aufs3.x-rcN base patch
diff --git a/fs/namei.c b/fs/namei.c
-index c283a1e..586eccd 100644
+index e2ba628..fde8ea2 100644
--- a/fs/namei.c
+++ b/fs/namei.c
-@@ -1756,7 +1756,7 @@ static struct dentry *__lookup_hash(struct qstr *name,
+@@ -1781,7 +1781,7 @@ static struct dentry *__lookup_hash(struct qstr *name,
* needs parent already locked. Doesn't follow mounts.
* SMP-safe.
*/
Modified: dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-standalone.patch
==============================================================================
--- dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-standalone.patch Sun Mar 11 04:30:08 2012 (r18809)
+++ dists/trunk/linux-2.6/debian/patches/features/all/aufs3/aufs3-standalone.patch Sun Mar 11 05:25:53 2012 (r18810)
@@ -14,7 +14,7 @@
/*
diff --git a/fs/inode.c b/fs/inode.c
-index 4fa4f09..f07a146 100644
+index d3ebdbe..6db6251 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -66,6 +66,7 @@ static struct hlist_head *inode_hashtable __read_mostly;
@@ -26,10 +26,10 @@
/*
* Empty aops. Can be used for the cases where the user does not
diff --git a/fs/namei.c b/fs/namei.c
-index 586eccd..62dd0a8 100644
+index fde8ea2..62f2302 100644
--- a/fs/namei.c
+++ b/fs/namei.c
-@@ -1760,6 +1760,7 @@ struct dentry *lookup_hash(struct nameidata *nd)
+@@ -1785,6 +1785,7 @@ struct dentry *lookup_hash(struct nameidata *nd)
{
return __lookup_hash(&nd->last, nd->path.dentry, nd);
}
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