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-rw-r--r--fs/btrfs/disk-io.c19
-rw-r--r--fs/btrfs/extent-tree.c3
-rw-r--r--fs/btrfs/extent_io.c1
-rw-r--r--fs/btrfs/inode.c4
-rw-r--r--fs/btrfs/super.c16
-rw-r--r--fs/btrfs/volumes.c4
-rw-r--r--fs/btrfs/volumes.h1
7 files changed, 14 insertions, 34 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index b40dfe48017..fb827d0d718 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2067,7 +2067,7 @@ static void btrfs_end_buffer_write_sync(struct buffer_head *bh, int uptodate)
if (uptodate) {
set_buffer_uptodate(bh);
} else {
- if (!buffer_eopnotsupp(bh) && printk_ratelimit()) {
+ if (printk_ratelimit()) {
printk(KERN_WARNING "lost page write due to "
"I/O error on %s\n",
bdevname(bh->b_bdev, b));
@@ -2204,21 +2204,10 @@ static int write_dev_supers(struct btrfs_device *device,
bh->b_end_io = btrfs_end_buffer_write_sync;
}
- if (i == last_barrier && do_barriers && device->barriers) {
- ret = submit_bh(WRITE_BARRIER, bh);
- if (ret == -EOPNOTSUPP) {
- printk("btrfs: disabling barriers on dev %s\n",
- device->name);
- set_buffer_uptodate(bh);
- device->barriers = 0;
- /* one reference for submit_bh */
- get_bh(bh);
- lock_buffer(bh);
- ret = submit_bh(WRITE_SYNC, bh);
- }
- } else {
+ if (i == last_barrier && do_barriers)
+ ret = submit_bh(WRITE_FLUSH_FUA, bh);
+ else
ret = submit_bh(WRITE_SYNC, bh);
- }
if (ret)
errors++;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a541bc87f04..0c097f3aec4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1742,8 +1742,7 @@ static int remove_extent_backref(struct btrfs_trans_handle *trans,
static void btrfs_issue_discard(struct block_device *bdev,
u64 start, u64 len)
{
- blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL,
- BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+ blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL, 0);
}
static int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3b7eaee0f91..eac10e3260a 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3031,7 +3031,6 @@ static struct extent_buffer *__alloc_extent_buffer(struct extent_io_tree *tree,
eb->len = len;
spin_lock_init(&eb->lock);
init_waitqueue_head(&eb->lock_wq);
- INIT_RCU_HEAD(&eb->rcu_head);
#if LEAK_DEBUG
spin_lock_irqsave(&leak_lock, flags);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5132c9af888..558cac2dfa5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3877,7 +3877,7 @@ again:
p = &root->inode_tree.rb_node;
parent = NULL;
- if (hlist_unhashed(&inode->i_hash))
+ if (inode_unhashed(inode))
return;
spin_lock(&root->inode_lock);
@@ -4803,7 +4803,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
}
btrfs_set_trans_block_group(trans, dir);
- atomic_inc(&inode->i_count);
+ ihold(inode);
err = btrfs_add_nondir(trans, dentry, inode, 1, index);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 718b10de204..8299a25ffc8 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -574,8 +574,8 @@ static int btrfs_test_super(struct super_block *s, void *data)
* Note: This is based on get_sb_bdev from fs/super.c with a few additions
* for multiple device setup. Make sure to keep it in sync.
*/
-static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *data)
{
struct block_device *bdev = NULL;
struct super_block *s;
@@ -593,7 +593,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
&subvol_name, &subvol_objectid,
&fs_devices);
if (error)
- return error;
+ return ERR_PTR(error);
error = btrfs_scan_one_device(dev_name, mode, fs_type, &fs_devices);
if (error)
@@ -668,11 +668,8 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
root = new_root;
}
- mnt->mnt_sb = s;
- mnt->mnt_root = root;
-
kfree(subvol_name);
- return 0;
+ return root;
error_s:
error = PTR_ERR(s);
@@ -680,7 +677,7 @@ error_close_devices:
btrfs_close_devices(fs_devices);
error_free_subvol_name:
kfree(subvol_name);
- return error;
+ return ERR_PTR(error);
}
static int btrfs_remount(struct super_block *sb, int *flags, char *data)
@@ -764,7 +761,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
static struct file_system_type btrfs_fs_type = {
.owner = THIS_MODULE,
.name = "btrfs",
- .get_sb = btrfs_get_sb,
+ .mount = btrfs_mount,
.kill_sb = kill_anon_super,
.fs_flags = FS_REQUIRES_DEV,
};
@@ -833,6 +830,7 @@ static const struct file_operations btrfs_ctl_fops = {
.unlocked_ioctl = btrfs_control_ioctl,
.compat_ioctl = btrfs_control_ioctl,
.owner = THIS_MODULE,
+ .llseek = noop_llseek,
};
static struct miscdevice btrfs_misc = {
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 91851b555e2..cc04dc1445d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -398,7 +398,6 @@ static noinline int device_list_add(const char *path,
device->work.func = pending_bios_fn;
memcpy(device->uuid, disk_super->dev_item.uuid,
BTRFS_UUID_SIZE);
- device->barriers = 1;
spin_lock_init(&device->io_lock);
device->name = kstrdup(path, GFP_NOFS);
if (!device->name) {
@@ -462,7 +461,6 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig)
device->devid = orig_dev->devid;
device->work.func = pending_bios_fn;
memcpy(device->uuid, orig_dev->uuid, sizeof(device->uuid));
- device->barriers = 1;
spin_lock_init(&device->io_lock);
INIT_LIST_HEAD(&device->dev_list);
INIT_LIST_HEAD(&device->dev_alloc_list);
@@ -1489,7 +1487,6 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
trans = btrfs_start_transaction(root, 0);
lock_chunks(root);
- device->barriers = 1;
device->writeable = 1;
device->work.func = pending_bios_fn;
generate_random_uuid(device->uuid);
@@ -3079,7 +3076,6 @@ static struct btrfs_device *add_missing_dev(struct btrfs_root *root,
return NULL;
list_add(&device->dev_list,
&fs_devices->devices);
- device->barriers = 1;
device->dev_root = root->fs_info->dev_root;
device->devid = devid;
device->work.func = pending_bios_fn;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 31b0fabdd2e..2b638b6e4ee 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -42,7 +42,6 @@ struct btrfs_device {
int running_pending;
u64 generation;
- int barriers;
int writeable;
int in_fs_metadata;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-20 16:07:00 +0000