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-rw-r--r--fs/btrfs/backref.c14
-rw-r--r--fs/btrfs/backref.h3
-rw-r--r--fs/btrfs/ctree.c21
-rw-r--r--fs/btrfs/ctree.h3
-rw-r--r--fs/btrfs/delayed-inode.c20
-rw-r--r--fs/btrfs/dev-replace.c14
-rw-r--r--fs/btrfs/file.c18
-rw-r--r--fs/btrfs/inode.c52
-rw-r--r--fs/btrfs/ioctl.c18
-rw-r--r--fs/btrfs/reflink.c2
-rw-r--r--fs/btrfs/relocation.c7
-rw-r--r--fs/btrfs/super.c2
-rw-r--r--fs/btrfs/transaction.c3
-rw-r--r--fs/btrfs/tree-log.c12
-rw-r--r--fs/btrfs/volumes.c109
-rw-r--r--fs/btrfs/volumes.h6
-rw-r--r--fs/btrfs/xattr.c2
-rw-r--r--fs/btrfs/xattr.h2
18 files changed, 167 insertions, 141 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 0dc91bf654b5..beed7e459dab 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -3199,12 +3199,14 @@ static int handle_direct_tree_backref(struct btrfs_backref_cache *cache,
* We still need to do a tree search to find out the parents. This is for
* TREE_BLOCK_REF backref (keyed or inlined).
*
+ * @trans: Transaction handle.
* @ref_key: The same as @ref_key in handle_direct_tree_backref()
* @tree_key: The first key of this tree block.
* @path: A clean (released) path, to avoid allocating path every time
* the function get called.
*/
-static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache,
+static int handle_indirect_tree_backref(struct btrfs_trans_handle *trans,
+ struct btrfs_backref_cache *cache,
struct btrfs_path *path,
struct btrfs_key *ref_key,
struct btrfs_key *tree_key,
@@ -3318,7 +3320,7 @@ static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache,
* If we know the block isn't shared we can avoid
* checking its backrefs.
*/
- if (btrfs_block_can_be_shared(root, eb))
+ if (btrfs_block_can_be_shared(trans, root, eb))
upper->checked = 0;
else
upper->checked = 1;
@@ -3366,11 +3368,13 @@ out:
* links aren't yet bi-directional. Needs to finish such links.
* Use btrfs_backref_finish_upper_links() to finish such linkage.
*
+ * @trans: Transaction handle.
* @path: Released path for indirect tree backref lookup
* @iter: Released backref iter for extent tree search
* @node_key: The first key of the tree block
*/
-int btrfs_backref_add_tree_node(struct btrfs_backref_cache *cache,
+int btrfs_backref_add_tree_node(struct btrfs_trans_handle *trans,
+ struct btrfs_backref_cache *cache,
struct btrfs_path *path,
struct btrfs_backref_iter *iter,
struct btrfs_key *node_key,
@@ -3470,8 +3474,8 @@ int btrfs_backref_add_tree_node(struct btrfs_backref_cache *cache,
* offset means the root objectid. We need to search
* the tree to get its parent bytenr.
*/
- ret = handle_indirect_tree_backref(cache, path, &key, node_key,
- cur);
+ ret = handle_indirect_tree_backref(trans, cache, path,
+ &key, node_key, cur);
if (ret < 0)
goto out;
}
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 83a9a34e948e..ab4ca0eda605 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -540,7 +540,8 @@ static inline void btrfs_backref_panic(struct btrfs_fs_info *fs_info,
bytenr);
}
-int btrfs_backref_add_tree_node(struct btrfs_backref_cache *cache,
+int btrfs_backref_add_tree_node(struct btrfs_trans_handle *trans,
+ struct btrfs_backref_cache *cache,
struct btrfs_path *path,
struct btrfs_backref_iter *iter,
struct btrfs_key *node_key,
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 14cefeaf9622..35c1d24d4a78 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -370,7 +370,8 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
/*
* check if the tree block can be shared by multiple trees
*/
-int btrfs_block_can_be_shared(struct btrfs_root *root,
+int btrfs_block_can_be_shared(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
struct extent_buffer *buf)
{
/*
@@ -379,11 +380,21 @@ int btrfs_block_can_be_shared(struct btrfs_root *root,
* not allocated by tree relocation, we know the block is not shared.
*/
if (test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
- buf != root->node && buf != root->commit_root &&
+ buf != root->node &&
(btrfs_header_generation(buf) <=
btrfs_root_last_snapshot(&root->root_item) ||
- btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)))
- return 1;
+ btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC))) {
+ if (buf != root->commit_root)
+ return 1;
+ /*
+ * An extent buffer that used to be the commit root may still be
+ * shared because the tree height may have increased and it
+ * became a child of a higher level root. This can happen when
+ * snapshotting a subvolume created in the current transaction.
+ */
+ if (btrfs_header_generation(buf) == trans->transid)
+ return 1;
+ }
return 0;
}
@@ -418,7 +429,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
* are only allowed for blocks use full backrefs.
*/
- if (btrfs_block_can_be_shared(root, buf)) {
+ if (btrfs_block_can_be_shared(trans, root, buf)) {
ret = btrfs_lookup_extent_info(trans, fs_info, buf->start,
btrfs_header_level(buf), 1,
&refs, &flags, NULL);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index c8f1d2d7c46c..196c005c31f6 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -561,7 +561,8 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct extent_buffer *buf,
struct extent_buffer **cow_ret, u64 new_root_objectid);
-int btrfs_block_can_be_shared(struct btrfs_root *root,
+int btrfs_block_can_be_shared(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
struct extent_buffer *buf);
int btrfs_del_ptr(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct btrfs_path *path, int level, int slot);
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index c640f87038a6..7381241334e8 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1833,19 +1833,19 @@ static void fill_stack_inode_item(struct btrfs_trans_handle *trans,
btrfs_set_stack_inode_block_group(inode_item, 0);
btrfs_set_stack_timespec_sec(&inode_item->atime,
- inode->i_atime.tv_sec);
+ inode_get_atime_sec(inode));
btrfs_set_stack_timespec_nsec(&inode_item->atime,
- inode->i_atime.tv_nsec);
+ inode_get_atime_nsec(inode));
btrfs_set_stack_timespec_sec(&inode_item->mtime,
- inode->i_mtime.tv_sec);
+ inode_get_mtime_sec(inode));
btrfs_set_stack_timespec_nsec(&inode_item->mtime,
- inode->i_mtime.tv_nsec);
+ inode_get_mtime_nsec(inode));
btrfs_set_stack_timespec_sec(&inode_item->ctime,
- inode_get_ctime(inode).tv_sec);
+ inode_get_ctime_sec(inode));
btrfs_set_stack_timespec_nsec(&inode_item->ctime,
- inode_get_ctime(inode).tv_nsec);
+ inode_get_ctime_nsec(inode));
btrfs_set_stack_timespec_sec(&inode_item->otime, BTRFS_I(inode)->i_otime_sec);
btrfs_set_stack_timespec_nsec(&inode_item->otime, BTRFS_I(inode)->i_otime_nsec);
@@ -1888,11 +1888,11 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev)
btrfs_inode_split_flags(btrfs_stack_inode_flags(inode_item),
&BTRFS_I(inode)->flags, &BTRFS_I(inode)->ro_flags);
- inode->i_atime.tv_sec = btrfs_stack_timespec_sec(&inode_item->atime);
- inode->i_atime.tv_nsec = btrfs_stack_timespec_nsec(&inode_item->atime);
+ inode_set_atime(inode, btrfs_stack_timespec_sec(&inode_item->atime),
+ btrfs_stack_timespec_nsec(&inode_item->atime));
- inode->i_mtime.tv_sec = btrfs_stack_timespec_sec(&inode_item->mtime);
- inode->i_mtime.tv_nsec = btrfs_stack_timespec_nsec(&inode_item->mtime);
+ inode_set_mtime(inode, btrfs_stack_timespec_sec(&inode_item->mtime),
+ btrfs_stack_timespec_nsec(&inode_item->mtime));
inode_set_ctime(inode, btrfs_stack_timespec_sec(&inode_item->ctime),
btrfs_stack_timespec_nsec(&inode_item->ctime));
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index d3998cad62c2..f9544fda38e9 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -246,6 +246,7 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
{
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
struct btrfs_device *device;
+ struct bdev_handle *bdev_handle;
struct block_device *bdev;
u64 devid = BTRFS_DEV_REPLACE_DEVID;
int ret = 0;
@@ -256,12 +257,13 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
return -EINVAL;
}
- bdev = blkdev_get_by_path(device_path, BLK_OPEN_WRITE,
- fs_info->bdev_holder, NULL);
- if (IS_ERR(bdev)) {
+ bdev_handle = bdev_open_by_path(device_path, BLK_OPEN_WRITE,
+ fs_info->bdev_holder, NULL);
+ if (IS_ERR(bdev_handle)) {
btrfs_err(fs_info, "target device %s is invalid!", device_path);
- return PTR_ERR(bdev);
+ return PTR_ERR(bdev_handle);
}
+ bdev = bdev_handle->bdev;
if (!btrfs_check_device_zone_type(fs_info, bdev)) {
btrfs_err(fs_info,
@@ -312,9 +314,9 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
device->commit_bytes_used = device->bytes_used;
device->fs_info = fs_info;
device->bdev = bdev;
+ device->bdev_handle = bdev_handle;
set_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);
set_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state);
- device->holder = fs_info->bdev_holder;
device->dev_stats_valid = 1;
set_blocksize(device->bdev, BTRFS_BDEV_BLOCKSIZE);
device->fs_devices = fs_devices;
@@ -333,7 +335,7 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
return 0;
error:
- blkdev_put(bdev, fs_info->bdev_holder);
+ bdev_release(bdev_handle);
return ret;
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 92419cb8508a..f47731c45bb5 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1111,17 +1111,18 @@ void btrfs_check_nocow_unlock(struct btrfs_inode *inode)
static void update_time_for_write(struct inode *inode)
{
- struct timespec64 now, ctime;
+ struct timespec64 now, ts;
if (IS_NOCMTIME(inode))
return;
now = current_time(inode);
- if (!timespec64_equal(&inode->i_mtime, &now))
- inode->i_mtime = now;
+ ts = inode_get_mtime(inode);
+ if (!timespec64_equal(&ts, &now))
+ inode_set_mtime_to_ts(inode, now);
- ctime = inode_get_ctime(inode);
- if (!timespec64_equal(&ctime, &now))
+ ts = inode_get_ctime(inode);
+ if (!timespec64_equal(&ts, &now))
inode_set_ctime_to_ts(inode, now);
if (IS_I_VERSION(inode))
@@ -2476,7 +2477,8 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode,
inode_inc_iversion(&inode->vfs_inode);
if (!extent_info || extent_info->update_times)
- inode->vfs_inode.i_mtime = inode_set_ctime_current(&inode->vfs_inode);
+ inode_set_mtime_to_ts(&inode->vfs_inode,
+ inode_set_ctime_current(&inode->vfs_inode));
ret = btrfs_update_inode(trans, inode);
if (ret)
@@ -2717,7 +2719,7 @@ static int btrfs_punch_hole(struct file *file, loff_t offset, loff_t len)
ASSERT(trans != NULL);
inode_inc_iversion(inode);
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode));
ret = btrfs_update_inode(trans, BTRFS_I(inode));
updated_inode = true;
btrfs_end_transaction(trans);
@@ -2737,7 +2739,7 @@ out_only_mutex:
struct timespec64 now = inode_set_ctime_current(inode);
inode_inc_iversion(inode);
- inode->i_mtime = now;
+ inode_set_mtime_to_ts(inode, now);
trans = btrfs_start_transaction(root, 1);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 137c4824ff91..9f5a9894f88f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3762,11 +3762,11 @@ static int btrfs_read_locked_inode(struct inode *inode,
btrfs_inode_set_file_extent_range(BTRFS_I(inode), 0,
round_up(i_size_read(inode), fs_info->sectorsize));
- inode->i_atime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->atime);
- inode->i_atime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->atime);
+ inode_set_atime(inode, btrfs_timespec_sec(leaf, &inode_item->atime),
+ btrfs_timespec_nsec(leaf, &inode_item->atime));
- inode->i_mtime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->mtime);
- inode->i_mtime.tv_nsec = btrfs_timespec_nsec(leaf, &inode_item->mtime);
+ inode_set_mtime(inode, btrfs_timespec_sec(leaf, &inode_item->mtime),
+ btrfs_timespec_nsec(leaf, &inode_item->mtime));
inode_set_ctime(inode, btrfs_timespec_sec(leaf, &inode_item->ctime),
btrfs_timespec_nsec(leaf, &inode_item->ctime));
@@ -3928,19 +3928,19 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
btrfs_set_token_inode_nlink(&token, item, inode->i_nlink);
btrfs_set_token_timespec_sec(&token, &item->atime,
- inode->i_atime.tv_sec);
+ inode_get_atime_sec(inode));
btrfs_set_token_timespec_nsec(&token, &item->atime,
- inode->i_atime.tv_nsec);
+ inode_get_atime_nsec(inode));
btrfs_set_token_timespec_sec(&token, &item->mtime,
- inode->i_mtime.tv_sec);
+ inode_get_mtime_sec(inode));
btrfs_set_token_timespec_nsec(&token, &item->mtime,
- inode->i_mtime.tv_nsec);
+ inode_get_mtime_nsec(inode));
btrfs_set_token_timespec_sec(&token, &item->ctime,
- inode_get_ctime(inode).tv_sec);
+ inode_get_ctime_sec(inode));
btrfs_set_token_timespec_nsec(&token, &item->ctime,
- inode_get_ctime(inode).tv_nsec);
+ inode_get_ctime_nsec(inode));
btrfs_set_token_timespec_sec(&token, &item->otime, BTRFS_I(inode)->i_otime_sec);
btrfs_set_token_timespec_nsec(&token, &item->otime, BTRFS_I(inode)->i_otime_nsec);
@@ -4135,8 +4135,7 @@ err:
btrfs_i_size_write(dir, dir->vfs_inode.i_size - name->len * 2);
inode_inc_iversion(&inode->vfs_inode);
inode_inc_iversion(&dir->vfs_inode);
- inode_set_ctime_current(&inode->vfs_inode);
- dir->vfs_inode.i_mtime = inode_set_ctime_current(&dir->vfs_inode);
+ inode_set_mtime_to_ts(&dir->vfs_inode, inode_set_ctime_current(&dir->vfs_inode));
ret = btrfs_update_inode(trans, dir);
out:
return ret;
@@ -4309,7 +4308,7 @@ static int btrfs_unlink_subvol(struct btrfs_trans_handle *trans,
btrfs_i_size_write(dir, dir->vfs_inode.i_size - fname.disk_name.len * 2);
inode_inc_iversion(&dir->vfs_inode);
- dir->vfs_inode.i_mtime = inode_set_ctime_current(&dir->vfs_inode);
+ inode_set_mtime_to_ts(&dir->vfs_inode, inode_set_ctime_current(&dir->vfs_inode));
ret = btrfs_update_inode_fallback(trans, dir);
if (ret)
btrfs_abort_transaction(trans, ret);
@@ -4959,7 +4958,8 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
if (newsize != oldsize) {
inode_inc_iversion(inode);
if (!(mask & (ATTR_CTIME | ATTR_MTIME))) {
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
}
}
@@ -5585,6 +5585,7 @@ static struct inode *new_simple_dir(struct inode *dir,
struct btrfs_key *key,
struct btrfs_root *root)
{
+ struct timespec64 ts;
struct inode *inode = new_inode(dir->i_sb);
if (!inode)
@@ -5603,10 +5604,13 @@ static struct inode *new_simple_dir(struct inode *dir,
inode->i_opflags &= ~IOP_XATTR;
inode->i_fop = &simple_dir_operations;
inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO;
- inode->i_mtime = inode_set_ctime_current(inode);
- inode->i_atime = dir->i_atime;
- BTRFS_I(inode)->i_otime_sec = inode->i_mtime.tv_sec;
- BTRFS_I(inode)->i_otime_nsec = inode->i_mtime.tv_nsec;
+
+ ts = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode, ts);
+ inode_set_atime_to_ts(inode, inode_get_atime(dir));
+ BTRFS_I(inode)->i_otime_sec = ts.tv_sec;
+ BTRFS_I(inode)->i_otime_nsec = ts.tv_nsec;
+
inode->i_uid = dir->i_uid;
inode->i_gid = dir->i_gid;
@@ -6164,6 +6168,7 @@ static void btrfs_inherit_iflags(struct btrfs_inode *inode, struct btrfs_inode *
int btrfs_create_new_inode(struct btrfs_trans_handle *trans,
struct btrfs_new_inode_args *args)
{
+ struct timespec64 ts;
struct inode *dir = args->dir;
struct inode *inode = args->inode;
const struct fscrypt_str *name = args->orphan ? NULL : &args->fname.disk_name;
@@ -6281,10 +6286,9 @@ int btrfs_create_new_inode(struct btrfs_trans_handle *trans,
goto discard;
}
- inode->i_mtime = inode_set_ctime_current(inode);
- inode->i_atime = inode->i_mtime;
- BTRFS_I(inode)->i_otime_sec = inode->i_mtime.tv_sec;
- BTRFS_I(inode)->i_otime_nsec = inode->i_mtime.tv_nsec;
+ ts = simple_inode_init_ts(inode);
+ BTRFS_I(inode)->i_otime_sec = ts.tv_sec;
+ BTRFS_I(inode)->i_otime_nsec = ts.tv_nsec;
/*
* We're going to fill the inode item now, so at this point the inode
@@ -6449,8 +6453,8 @@ int btrfs_add_link(struct btrfs_trans_handle *trans,
* values (the ones it had when the fsync was done).
*/
if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags))
- parent_inode->vfs_inode.i_mtime =
- inode_set_ctime_current(&parent_inode->vfs_inode);
+ inode_set_mtime_to_ts(&parent_inode->vfs_inode,
+ inode_set_ctime_current(&parent_inode->vfs_inode));
ret = btrfs_update_inode(trans, parent_inode);
if (ret)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2429ae87ad44..4e50b62db2a8 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2682,8 +2682,7 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg)
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_ioctl_vol_args_v2 *vol_args;
- struct block_device *bdev = NULL;
- void *holder;
+ struct bdev_handle *bdev_handle = NULL;
int ret;
bool cancel = false;
@@ -2720,7 +2719,7 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg)
goto err_drop;
/* Exclusive operation is now claimed */
- ret = btrfs_rm_device(fs_info, &args, &bdev, &holder);
+ ret = btrfs_rm_device(fs_info, &args, &bdev_handle);
btrfs_exclop_finish(fs_info);
@@ -2734,8 +2733,8 @@ static long btrfs_ioctl_rm_dev_v2(struct file *file, void __user *arg)
}
err_drop:
mnt_drop_write_file(file);
- if (bdev)
- blkdev_put(bdev, holder);
+ if (bdev_handle)
+ bdev_release(bdev_handle);
out:
btrfs_put_dev_args_from_path(&args);
kfree(vol_args);
@@ -2748,8 +2747,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
struct inode *inode = file_inode(file);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_ioctl_vol_args *vol_args;
- struct block_device *bdev = NULL;
- void *holder;
+ struct bdev_handle *bdev_handle = NULL;
int ret;
bool cancel = false;
@@ -2776,15 +2774,15 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
ret = exclop_start_or_cancel_reloc(fs_info, BTRFS_EXCLOP_DEV_REMOVE,
cancel);
if (ret == 0) {
- ret = btrfs_rm_device(fs_info, &args, &bdev, &holder);
+ ret = btrfs_rm_device(fs_info, &args, &bdev_handle);
if (!ret)
btrfs_info(fs_info, "disk deleted %s", vol_args->name);
btrfs_exclop_finish(fs_info);
}
mnt_drop_write_file(file);
- if (bdev)
- blkdev_put(bdev, holder);
+ if (bdev_handle)
+ bdev_release(bdev_handle);
out:
btrfs_put_dev_args_from_path(&args);
kfree(vol_args);
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index fabd856e5079..f88b0c2ac3fe 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -29,7 +29,7 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans,
inode_inc_iversion(inode);
if (!no_time_update) {
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode));
}
/*
* We round up to the block size at eof when determining which
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index a896f22e138b..f5d9e5f74a52 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -461,6 +461,7 @@ static bool handle_useless_nodes(struct reloc_control *rc,
* cached.
*/
static noinline_for_stack struct btrfs_backref_node *build_backref_tree(
+ struct btrfs_trans_handle *trans,
struct reloc_control *rc, struct btrfs_key *node_key,
int level, u64 bytenr)
{
@@ -494,8 +495,8 @@ static noinline_for_stack struct btrfs_backref_node *build_backref_tree(
/* Breadth-first search to build backref cache */
do {
- ret = btrfs_backref_add_tree_node(cache, path, iter, node_key,
- cur);
+ ret = btrfs_backref_add_tree_node(trans, cache, path, iter,
+ node_key, cur);
if (ret < 0) {
err = ret;
goto out;
@@ -2802,7 +2803,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
/* Do tree relocation */
rbtree_postorder_for_each_entry_safe(block, next, blocks, rb_node) {
- node = build_backref_tree(rc, &block->key,
+ node = build_backref_tree(trans, rc, &block->key,
block->level, block->bytenr);
if (IS_ERR(node)) {
err = PTR_ERR(node);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 9e1f3dbc80fa..ef256b944c72 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1475,7 +1475,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
error = -EBUSY;
} else {
snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev);
- shrinker_debugfs_rename(&s->s_shrink, "sb-%s:%s", fs_type->name,
+ shrinker_debugfs_rename(s->s_shrink, "sb-%s:%s", fs_type->name,
s->s_id);
btrfs_sb(s)->bdev_holder = fs_type;
error = btrfs_fill_super(s, fs_devices, data);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 7af9665bebae..bfc0eb5e3b7c 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1911,7 +1911,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
btrfs_i_size_write(BTRFS_I(parent_inode), parent_inode->i_size +
fname.disk_name.len * 2);
- parent_inode->i_mtime = inode_set_ctime_current(parent_inode);
+ inode_set_mtime_to_ts(parent_inode,
+ inode_set_ctime_current(parent_inode));
ret = btrfs_update_inode_fallback(trans, BTRFS_I(parent_inode));
if (ret) {
btrfs_abort_transaction(trans, ret);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 6c7e7e723e3a..7d6729d9fd2f 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4131,19 +4131,19 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
btrfs_set_token_inode_nlink(&token, item, inode->i_nlink);
btrfs_set_token_timespec_sec(&token, &item->atime,
- inode->i_atime.tv_sec);
+ inode_get_atime_sec(inode));
btrfs_set_token_timespec_nsec(&token, &item->atime,
- inode->i_atime.tv_nsec);
+ inode_get_atime_nsec(inode));
btrfs_set_token_timespec_sec(&token, &item->mtime,
- inode->i_mtime.tv_sec);
+ inode_get_mtime_sec(inode));
btrfs_set_token_timespec_nsec(&token, &item->mtime,
- inode->i_mtime.tv_nsec);
+ inode_get_mtime_nsec(inode));
btrfs_set_token_timespec_sec(&token, &item->ctime,
- inode_get_ctime(inode).tv_sec);
+ inode_get_ctime_sec(inode));
btrfs_set_token_timespec_nsec(&token, &item->ctime,
- inode_get_ctime(inode).tv_nsec);
+ inode_get_ctime_nsec(inode));
/*
* We do not need to set the nbytes field, in fact during a fast fsync
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 3b61c47306c0..f627674b37db 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -457,37 +457,39 @@ static noinline struct btrfs_fs_devices *find_fsid(
static int
btrfs_get_bdev_and_sb(const char *device_path, blk_mode_t flags, void *holder,
- int flush, struct block_device **bdev,
+ int flush, struct bdev_handle **bdev_handle,
struct btrfs_super_block **disk_super)
{
+ struct block_device *bdev;
int ret;
- *bdev = blkdev_get_by_path(device_path, flags, holder, NULL);
+ *bdev_handle = bdev_open_by_path(device_path, flags, holder, NULL);
- if (IS_ERR(*bdev)) {
- ret = PTR_ERR(*bdev);
+ if (IS_ERR(*bdev_handle)) {
+ ret = PTR_ERR(*bdev_handle);
goto error;
}
+ bdev = (*bdev_handle)->bdev;
if (flush)
- sync_blockdev(*bdev);
- ret = set_blocksize(*bdev, BTRFS_BDEV_BLOCKSIZE);
+ sync_blockdev(bdev);
+ ret = set_blocksize(bdev, BTRFS_BDEV_BLOCKSIZE);
if (ret) {
- blkdev_put(*bdev, holder);
+ bdev_release(*bdev_handle);
goto error;
}
- invalidate_bdev(*bdev);
- *disk_super = btrfs_read_dev_super(*bdev);
+ invalidate_bdev(bdev);
+ *disk_super = btrfs_read_dev_super(bdev);
if (IS_ERR(*disk_super)) {
ret = PTR_ERR(*disk_super);
- blkdev_put(*bdev, holder);
+ bdev_release(*bdev_handle);
goto error;
}
return 0;
error:
- *bdev = NULL;
+ *bdev_handle = NULL;
return ret;
}
@@ -630,7 +632,7 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
struct btrfs_device *device, blk_mode_t flags,
void *holder)
{
- struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
struct btrfs_super_block *disk_super;
u64 devid;
int ret;
@@ -641,7 +643,7 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
return -EINVAL;
ret = btrfs_get_bdev_and_sb(device->name->str, flags, holder, 1,
- &bdev, &disk_super);
+ &bdev_handle, &disk_super);
if (ret)
return ret;
@@ -665,21 +667,21 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
clear_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state);
fs_devices->seeding = true;
} else {
- if (bdev_read_only(bdev))
+ if (bdev_read_only(bdev_handle->bdev))
clear_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state);
else
set_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state);
}
- if (!bdev_nonrot(bdev))
+ if (!bdev_nonrot(bdev_handle->bdev))
fs_devices->rotating = true;
- if (bdev_max_discard_sectors(bdev))
+ if (bdev_max_discard_sectors(bdev_handle->bdev))
fs_devices->discardable = true;
- device->bdev = bdev;
+ device->bdev_handle = bdev_handle;
+ device->bdev = bdev_handle->bdev;
clear_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);
- device->holder = holder;
fs_devices->open_devices++;
if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state) &&
@@ -693,7 +695,7 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
error_free_page:
btrfs_release_disk_super(disk_super);
- blkdev_put(bdev, holder);
+ bdev_release(bdev_handle);
return -EINVAL;
}
@@ -1002,9 +1004,10 @@ static void __btrfs_free_extra_devids(struct btrfs_fs_devices *fs_devices,
if (device->devid == BTRFS_DEV_REPLACE_DEVID)
continue;
- if (device->bdev) {
- blkdev_put(device->bdev, device->holder);
+ if (device->bdev_handle) {
+ bdev_release(device->bdev_handle);
device->bdev = NULL;
+ device->bdev_handle = NULL;
fs_devices->open_devices--;
}
if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state)) {
@@ -1049,7 +1052,7 @@ static void btrfs_close_bdev(struct btrfs_device *device)
invalidate_bdev(device->bdev);
}
- blkdev_put(device->bdev, device->holder);
+ bdev_release(device->bdev_handle);
}
static void btrfs_close_one_device(struct btrfs_device *device)
@@ -1302,7 +1305,7 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, blk_mode_t flags,
struct btrfs_super_block *disk_super;
bool new_device_added = false;
struct btrfs_device *device = NULL;
- struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
u64 bytenr, bytenr_orig;
int ret;
@@ -1325,18 +1328,19 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, blk_mode_t flags,
* values temporarily, as the device paths of the fsid are the only
* required information for assembling the volume.
*/
- bdev = blkdev_get_by_path(path, flags, NULL, NULL);
- if (IS_ERR(bdev))
- return ERR_CAST(bdev);
+ bdev_handle = bdev_open_by_path(path, flags, NULL, NULL);
+ if (IS_ERR(bdev_handle))
+ return ERR_CAST(bdev_handle);
bytenr_orig = btrfs_sb_offset(0);
- ret = btrfs_sb_log_location_bdev(bdev, 0, READ, &bytenr);
+ ret = btrfs_sb_log_location_bdev(bdev_handle->bdev, 0, READ, &bytenr);
if (ret) {
device = ERR_PTR(ret);
goto error_bdev_put;
}
- disk_super = btrfs_read_disk_super(bdev, bytenr, bytenr_orig);
+ disk_super = btrfs_read_disk_super(bdev_handle->bdev, bytenr,
+ bytenr_orig);
if (IS_ERR(disk_super)) {
device = ERR_CAST(disk_super);
goto error_bdev_put;
@@ -1366,7 +1370,7 @@ free_disk_super:
btrfs_release_disk_super(disk_super);
error_bdev_put:
- blkdev_put(bdev, NULL);
+ bdev_release(bdev_handle);
return device;
}
@@ -2043,7 +2047,7 @@ void btrfs_scratch_superblocks(struct btrfs_fs_info *fs_info,
int btrfs_rm_device(struct btrfs_fs_info *fs_info,
struct btrfs_dev_lookup_args *args,
- struct block_device **bdev, void **holder)
+ struct bdev_handle **bdev_handle)
{
struct btrfs_trans_handle *trans;
struct btrfs_device *device;
@@ -2152,7 +2156,7 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info,
btrfs_assign_next_active_device(device, NULL);
- if (device->bdev) {
+ if (device->bdev_handle) {
cur_devices->open_devices--;
/* remove sysfs entry */
btrfs_sysfs_remove_device(device);
@@ -2168,9 +2172,9 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info,
* free the device.
*
* We cannot call btrfs_close_bdev() here because we're holding the sb
- * write lock, and blkdev_put() will pull in the ->open_mutex on the
- * block device and it's dependencies. Instead just flush the device
- * and let the caller do the final blkdev_put.
+ * write lock, and bdev_release() will pull in the ->open_mutex on
+ * the block device and it's dependencies. Instead just flush the
+ * device and let the caller do the final bdev_release.
*/
if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state)) {
btrfs_scratch_superblocks(fs_info, device->bdev,
@@ -2181,8 +2185,7 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info,
}
}
- *bdev = device->bdev;
- *holder = device->holder;
+ *bdev_handle = device->bdev_handle;
synchronize_rcu();
btrfs_free_device(device);
@@ -2319,7 +2322,7 @@ int btrfs_get_dev_args_from_path(struct btrfs_fs_info *fs_info,
const char *path)
{
struct btrfs_super_block *disk_super;
- struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
int ret;
if (!path || !path[0])
@@ -2337,7 +2340,7 @@ int btrfs_get_dev_args_from_path(struct btrfs_fs_info *fs_info,
}
ret = btrfs_get_bdev_and_sb(path, BLK_OPEN_READ, NULL, 0,
- &bdev, &disk_super);
+ &bdev_handle, &disk_super);
if (ret) {
btrfs_put_dev_args_from_path(args);
return ret;
@@ -2350,7 +2353,7 @@ int btrfs_get_dev_args_from_path(struct btrfs_fs_info *fs_info,
else
memcpy(args->fsid, disk_super->fsid, BTRFS_FSID_SIZE);
btrfs_release_disk_super(disk_super);
- blkdev_put(bdev, NULL);
+ bdev_release(bdev_handle);
return 0;
}
@@ -2570,7 +2573,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
struct btrfs_root *root = fs_info->dev_root;
struct btrfs_trans_handle *trans;
struct btrfs_device *device;
- struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
struct super_block *sb = fs_info->sb;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
struct btrfs_fs_devices *seed_devices = NULL;
@@ -2583,12 +2586,12 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
if (sb_rdonly(sb) && !fs_devices->seeding)
return -EROFS;
- bdev = blkdev_get_by_path(device_path, BLK_OPEN_WRITE,
- fs_info->bdev_holder, NULL);
- if (IS_ERR(bdev))
- return PTR_ERR(bdev);
+ bdev_handle = bdev_open_by_path(device_path, BLK_OPEN_WRITE,
+ fs_info->bdev_holder, NULL);
+ if (IS_ERR(bdev_handle))
+ return PTR_ERR(bdev_handle);
- if (!btrfs_check_device_zone_type(fs_info, bdev)) {
+ if (!btrfs_check_device_zone_type(fs_info, bdev_handle->bdev)) {
ret = -EINVAL;
goto error;
}
@@ -2600,11 +2603,11 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
locked = true;
}
- sync_blockdev(bdev);
+ sync_blockdev(bdev_handle->bdev);
rcu_read_lock();
list_for_each_entry_rcu(device, &fs_devices->devices, dev_list) {
- if (device->bdev == bdev) {
+ if (device->bdev == bdev_handle->bdev) {
ret = -EEXIST;
rcu_read_unlock();
goto error;
@@ -2620,7 +2623,8 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
}
device->fs_info = fs_info;
- device->bdev = bdev;
+ device->bdev_handle = bdev_handle;
+ device->bdev = bdev_handle->bdev;
ret = lookup_bdev(device_path, &device->devt);
if (ret)
goto error_free_device;
@@ -2641,12 +2645,11 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
device->io_align = fs_info->sectorsize;
device->sector_size = fs_info->sectorsize;
device->total_bytes =
- round_down(bdev_nr_bytes(bdev), fs_info->sectorsize);
+ round_down(bdev_nr_bytes(device->bdev), fs_info->sectorsize);
device->disk_total_bytes = device->total_bytes;
device->commit_total_bytes = device->total_bytes;
set_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);
clear_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state);
- device->holder = fs_info->bdev_holder;
device->dev_stats_valid = 1;
set_blocksize(device->bdev, BTRFS_BDEV_BLOCKSIZE);
@@ -2682,7 +2685,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
atomic64_add(device->total_bytes, &fs_info->free_chunk_space);
- if (!bdev_nonrot(bdev))
+ if (!bdev_nonrot(device->bdev))
fs_devices->rotating = true;
orig_super_total_bytes = btrfs_super_total_bytes(fs_info->super_copy);
@@ -2804,7 +2807,7 @@ error_free_zone:
error_free_device:
btrfs_free_device(device);
error:
- blkdev_put(bdev, fs_info->bdev_holder);
+ bdev_release(bdev_handle);
if (locked) {
mutex_unlock(&uuid_mutex);
up_write(&sb->s_umount);
@@ -5082,7 +5085,7 @@ static void init_alloc_chunk_ctl_policy_regular(
ASSERT(space_info);
ctl->max_chunk_size = READ_ONCE(space_info->chunk_size);
- ctl->max_stripe_size = ctl->max_chunk_size;
+ ctl->max_stripe_size = min_t(u64, ctl->max_chunk_size, SZ_1G);
if (ctl->type & BTRFS_BLOCK_GROUP_SYSTEM)
ctl->devs_max = min_t(int, ctl->devs_max, BTRFS_MAX_DEVS_SYS_CHUNK);
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 5dd4ad775e5d..9cc374864a79 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -90,13 +90,11 @@ struct btrfs_device {
u64 generation;
+ struct bdev_handle *bdev_handle;
struct block_device *bdev;
struct btrfs_zoned_device_info *zone_info;
- /* block device holder for blkdev_get/put */
- void *holder;
-
/*
* Device's major-minor number. Must be set even if the device is not
* opened (bdev == NULL), unless the device is missing.
@@ -648,7 +646,7 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info,
void btrfs_put_dev_args_from_path(struct btrfs_dev_lookup_args *args);
int btrfs_rm_device(struct btrfs_fs_info *fs_info,
struct btrfs_dev_lookup_args *args,
- struct block_device **bdev, void **holder);
+ struct bdev_handle **bdev_handle);
void __exit btrfs_cleanup_fs_uuids(void);
int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
int btrfs_grow_device(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 76ff93b3eb27..3cf236fb40a4 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -442,7 +442,7 @@ static const struct xattr_handler btrfs_btrfs_xattr_handler = {
.set = btrfs_xattr_handler_set_prop,
};
-const struct xattr_handler *btrfs_xattr_handlers[] = {
+const struct xattr_handler * const btrfs_xattr_handlers[] = {
&btrfs_security_xattr_handler,
&btrfs_trusted_xattr_handler,
&btrfs_user_xattr_handler,
diff --git a/fs/btrfs/xattr.h b/fs/btrfs/xattr.h
index 1cd3fc0a8f17..118118ca3e1d 100644
--- a/fs/btrfs/xattr.h
+++ b/fs/btrfs/xattr.h
@@ -8,7 +8,7 @@
#include <linux/xattr.h>
-extern const struct xattr_handler *btrfs_xattr_handlers[];
+extern const struct xattr_handler * const btrfs_xattr_handlers[];
int btrfs_getxattr(struct inode *inode, const char *name,
void *buffer, size_t size);
generated by cgit (git 2.34.1) at 2024-07-05 13:49:38 +0000