Merge tag 'asoc-v3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.14

A few fixes, all driver speccific ones.  The DaVinci ones aren't as
clear as they should be from the subject lines on the commits but they
fix issues which will prevent correct operation in some use cases and
only affect that particular driver so are reasonably safe.

9 files changed, 45 insertions, 38 deletions

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 49a62b4dda3b..0e8388e72d8d 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -92,11 +92,11 @@
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
 #include <linux/mutex.h>
-#include <linux/crc32c.h>
 #include <linux/genhd.h>
 #include <linux/blkdev.h>
 #include "ctree.h"
 #include "disk-io.h"
+#include "hash.h"
 #include "transaction.h"
 #include "extent_io.h"
 #include "volumes.h"
@@ -1823,7 +1823,7 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
                 size_t sublen = i ? PAGE_CACHE_SIZE :
                                     (PAGE_CACHE_SIZE - BTRFS_CSUM_SIZE);
 
-                crc = crc32c(crc, data, sublen);
+                crc = btrfs_crc32c(crc, data, sublen);
         }
         btrfs_csum_final(crc, csum);
         if (memcmp(csum, h->csum, state->csum_size))
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index e2600cdb6c25..b01fb6c527e3 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1010,6 +1010,8 @@ int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
                 bytes = min(bytes, working_bytes);
                 kaddr = kmap_atomic(page_out);
                 memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
+                if (*pg_index == (vcnt - 1) && *pg_offset == 0)
+                        memset(kaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
                 kunmap_atomic(kaddr);
                 flush_dcache_page(page_out);
 
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0e69295d0031..81ea55314b1f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -26,7 +26,6 @@
 #include <linux/workqueue.h>
 #include <linux/kthread.h>
 #include <linux/freezer.h>
-#include <linux/crc32c.h>
 #include <linux/slab.h>
 #include <linux/migrate.h>
 #include <linux/ratelimit.h>
@@ -35,6 +34,7 @@
 #include <asm/unaligned.h>
 #include "ctree.h"
 #include "disk-io.h"
+#include "hash.h"
 #include "transaction.h"
 #include "btrfs_inode.h"
 #include "volumes.h"
@@ -244,7 +244,7 @@ out:
 
 u32 btrfs_csum_data(char *data, u32 seed, size_t len)
 {
-        return crc32c(seed, data, len);
+        return btrfs_crc32c(seed, data, len);
 }
 
 void btrfs_csum_final(u32 crc, char *result)
@@ -3839,7 +3839,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
                         rb_erase(&ref->rb_node, &head->ref_root);
                         atomic_dec(&delayed_refs->num_entries);
                         btrfs_put_delayed_ref(ref);
-                        cond_resched_lock(&head->lock);
                 }
                 if (head->must_insert_reserved)
                         pin_bytes = true;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9c9ecc93ae2c..32312e09f0f5 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2385,6 +2385,7 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
                         spin_unlock(&delayed_refs->lock);
                         locked_ref = NULL;
                         cond_resched();
+                        count++;
                         continue;
                 }
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5c4ab9c18940..d3d44486290b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2629,7 +2629,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
                         EXTENT_DEFRAG, 1, cached_state);
         if (ret) {
                 u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item);
-                if (last_snapshot >= BTRFS_I(inode)->generation)
+                if (0 && last_snapshot >= BTRFS_I(inode)->generation)
                         /* the inode is shared */
                         new = record_old_file_extents(inode, ordered_extent);
 
@@ -5154,7 +5154,7 @@ static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
                         return ERR_CAST(inode);
         }
 
-        return d_splice_alias(inode, dentry);
+        return d_materialise_unique(dentry, inode);
 }
 
 unsigned char btrfs_filetype_table[] = {
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index b0134892dc70..a6d8efa46bfe 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3537,20 +3537,6 @@ out:
         return ret;
 }
 
-static long btrfs_ioctl_global_rsv(struct btrfs_root *root, void __user *arg)
-{
-        struct btrfs_block_rsv *block_rsv = &root->fs_info->global_block_rsv;
-        u64 reserved;
-
-        spin_lock(&block_rsv->lock);
-        reserved = block_rsv->reserved;
-        spin_unlock(&block_rsv->lock);
-
-        if (arg && copy_to_user(arg, &reserved, sizeof(reserved)))
-                return -EFAULT;
-        return 0;
-}
-
 /*
  * there are many ways the trans_start and trans_end ioctls can lead
  * to deadlocks.  They should only be used by applications that
@@ -4525,7 +4511,7 @@ static int btrfs_ioctl_set_fslabel(struct file *file, void __user *arg)
         spin_lock(&root->fs_info->super_lock);
         strcpy(super_block->label, label);
         spin_unlock(&root->fs_info->super_lock);
-        ret = btrfs_end_transaction(trans, root);
+        ret = btrfs_commit_transaction(trans, root);
 
 out_unlock:
         mnt_drop_write_file(file);
@@ -4668,7 +4654,7 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg)
         if (ret)
                 return ret;
 
-        trans = btrfs_start_transaction(root, 1);
+        trans = btrfs_start_transaction(root, 0);
         if (IS_ERR(trans))
                 return PTR_ERR(trans);
 
@@ -4689,7 +4675,7 @@ static int btrfs_ioctl_set_features(struct file *file, void __user *arg)
         btrfs_set_super_incompat_flags(super_block, newflags);
         spin_unlock(&root->fs_info->super_lock);
 
-        return btrfs_end_transaction(trans, root);
+        return btrfs_commit_transaction(trans, root);
 }
 
 long btrfs_ioctl(struct file *file, unsigned int
@@ -4757,8 +4743,6 @@ long btrfs_ioctl(struct file *file, unsigned int
                 return btrfs_ioctl_logical_to_ino(root, argp);
         case BTRFS_IOC_SPACE_INFO:
                 return btrfs_ioctl_space_info(root, argp);
-        case BTRFS_IOC_GLOBAL_RSV:
-                return btrfs_ioctl_global_rsv(root, argp);
         case BTRFS_IOC_SYNC: {
                 int ret;
 
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 730dce395858..9dde9717c1b9 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -24,12 +24,12 @@
 #include <linux/xattr.h>
 #include <linux/posix_acl_xattr.h>
 #include <linux/radix-tree.h>
-#include <linux/crc32c.h>
 #include <linux/vmalloc.h>
 #include <linux/string.h>
 
 #include "send.h"
 #include "backref.h"
+#include "hash.h"
 #include "locking.h"
 #include "disk-io.h"
 #include "btrfs_inode.h"
@@ -620,7 +620,7 @@ static int send_cmd(struct send_ctx *sctx)
         hdr->len = cpu_to_le32(sctx->send_size - sizeof(*hdr));
         hdr->crc = 0;
 
-        crc = crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
+        crc = btrfs_crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
         hdr->crc = cpu_to_le32(crc);
 
         ret = write_buf(sctx->send_filp, sctx->send_buf, sctx->send_size,
@@ -1332,6 +1332,16 @@ verbose_printk(KERN_DEBUG "btrfs: find_extent_clone: data_offset=%llu, "
         }
 
         if (cur_clone_root) {
+                if (compressed != BTRFS_COMPRESS_NONE) {
+                        /*
+                         * Offsets given by iterate_extent_inodes() are relative
+                         * to the start of the extent, we need to add logical
+                         * offset from the file extent item.
+                         * (See why at backref.c:check_extent_in_eb())
+                         */
+                        cur_clone_root->offset += btrfs_file_extent_offset(eb,
+                                                                           fi);
+                }
                 *found = cur_clone_root;
                 ret = 0;
         } else {
@@ -2774,8 +2784,6 @@ static int add_waiting_dir_move(struct send_ctx *sctx, u64 ino)
         return 0;
 }
 
-#ifdef CONFIG_BTRFS_ASSERT
-
 static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
 {
         struct rb_node *n = sctx->waiting_dir_moves.rb_node;
@@ -2796,8 +2804,6 @@ static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
         return -ENOENT;
 }
 
-#endif
-
 static int add_pending_dir_move(struct send_ctx *sctx, u64 parent_ino)
 {
         struct rb_node **p = &sctx->pending_dir_moves.rb_node;
@@ -2902,7 +2908,9 @@ static int apply_dir_move(struct send_ctx *sctx, struct pending_dir_move *pm)
         }
 
         sctx->send_progress = sctx->cur_ino + 1;
-        ASSERT(del_waiting_dir_move(sctx, pm->ino) == 0);
+        ret = del_waiting_dir_move(sctx, pm->ino);
+        ASSERT(ret == 0);
+
         ret = get_cur_path(sctx, pm->ino, pm->gen, to_path);
         if (ret < 0)
                 goto out;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index c02f63356895..d04db817be5c 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -566,7 +566,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
                                 kfree(num);
 
                                 if (info->max_inline) {
-                                        info->max_inline = max_t(u64,
+                                        info->max_inline = min_t(u64,
                                                 info->max_inline,
                                                 root->sectorsize);
                                 }
@@ -855,6 +855,7 @@ static struct dentry *get_default_root(struct super_block *sb,
         struct btrfs_path *path;
         struct btrfs_key location;
         struct inode *inode;
+        struct dentry *dentry;
         u64 dir_id;
         int new = 0;
 
@@ -925,7 +926,13 @@ setup_root:
                 return dget(sb->s_root);
         }
 
-        return d_obtain_alias(inode);
+        dentry = d_obtain_alias(inode);
+        if (!IS_ERR(dentry)) {
+                spin_lock(&dentry->d_lock);
+                dentry->d_flags &= ~DCACHE_DISCONNECTED;
+                spin_unlock(&dentry->d_lock);
+        }
+        return dentry;
 }
 
 static int btrfs_fill_super(struct super_block *sb,
@@ -1996,7 +2003,7 @@ static void __exit exit_btrfs_fs(void)
         btrfs_hash_exit();
 }
 
-module_init(init_btrfs_fs)
+late_initcall(init_btrfs_fs);
 module_exit(exit_btrfs_fs)
 
 MODULE_LICENSE("GPL");
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 782374d8fd19..865f4cf9a769 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -578,8 +578,14 @@ static int add_device_membership(struct btrfs_fs_info *fs_info)
                 return -ENOMEM;
 
         list_for_each_entry(dev, &fs_devices->devices, dev_list) {
-                struct hd_struct *disk = dev->bdev->bd_part;
-                struct kobject *disk_kobj = &part_to_dev(disk)->kobj;
+                struct hd_struct *disk;
+                struct kobject *disk_kobj;
+
+                if (!dev->bdev)
+                        continue;
+
+                disk = dev->bdev->bd_part;
+                disk_kobj = &part_to_dev(disk)->kobj;
 
                 error = sysfs_create_link(fs_info->device_dir_kobj,
                                           disk_kobj, disk_kobj->name);