return alloc_hint;
}
-static inline bool is_free_space_inode(struct btrfs_root *root,
- struct inode *inode)
-{
- if (root == root->fs_info->tree_root ||
- BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
- return true;
- return false;
-}
-
/*
* when extent_io.c finds a delayed allocation range in the file,
* the call backs end up in this code. The basic idea is to
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
int ret = 0;
- BUG_ON(is_free_space_inode(root, inode));
+ BUG_ON(btrfs_is_free_space_inode(root, inode));
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
trans->block_rsv = &root->fs_info->delalloc_block_rsv;
path = btrfs_alloc_path();
BUG_ON(!path);
- nolock = is_free_space_inode(root, inode);
+ nolock = btrfs_is_free_space_inode(root, inode);
if (nolock)
trans = btrfs_join_transaction_nolock(root);
if (!(orig->state & EXTENT_DELALLOC))
return 0;
- atomic_inc(&BTRFS_I(inode)->outstanding_extents);
+ spin_lock(&BTRFS_I(inode)->lock);
+ BTRFS_I(inode)->outstanding_extents++;
+ spin_unlock(&BTRFS_I(inode)->lock);
return 0;
}
if (!(other->state & EXTENT_DELALLOC))
return 0;
- atomic_dec(&BTRFS_I(inode)->outstanding_extents);
+ spin_lock(&BTRFS_I(inode)->lock);
+ BTRFS_I(inode)->outstanding_extents--;
+ spin_unlock(&BTRFS_I(inode)->lock);
return 0;
}
if (!(state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 len = state->end + 1 - state->start;
- bool do_list = !is_free_space_inode(root, inode);
+ bool do_list = !btrfs_is_free_space_inode(root, inode);
- if (*bits & EXTENT_FIRST_DELALLOC)
+ if (*bits & EXTENT_FIRST_DELALLOC) {
*bits &= ~EXTENT_FIRST_DELALLOC;
- else
- atomic_inc(&BTRFS_I(inode)->outstanding_extents);
+ } else {
+ spin_lock(&BTRFS_I(inode)->lock);
+ BTRFS_I(inode)->outstanding_extents++;
+ spin_unlock(&BTRFS_I(inode)->lock);
+ }
spin_lock(&root->fs_info->delalloc_lock);
BTRFS_I(inode)->delalloc_bytes += len;
if ((state->state & EXTENT_DELALLOC) && (*bits & EXTENT_DELALLOC)) {
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 len = state->end + 1 - state->start;
- bool do_list = !is_free_space_inode(root, inode);
+ bool do_list = !btrfs_is_free_space_inode(root, inode);
- if (*bits & EXTENT_FIRST_DELALLOC)
+ if (*bits & EXTENT_FIRST_DELALLOC) {
*bits &= ~EXTENT_FIRST_DELALLOC;
- else if (!(*bits & EXTENT_DO_ACCOUNTING))
- atomic_dec(&BTRFS_I(inode)->outstanding_extents);
+ } else if (!(*bits & EXTENT_DO_ACCOUNTING)) {
+ spin_lock(&BTRFS_I(inode)->lock);
+ BTRFS_I(inode)->outstanding_extents--;
+ spin_unlock(&BTRFS_I(inode)->lock);
+ }
if (*bits & EXTENT_DO_ACCOUNTING)
btrfs_delalloc_release_metadata(inode, len);
skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
- if (is_free_space_inode(root, inode))
+ if (btrfs_is_free_space_inode(root, inode))
ret = btrfs_bio_wq_end_io(root->fs_info, bio, 2);
else
ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0);
return 0;
BUG_ON(!ordered_extent);
- nolock = is_free_space_inode(root, inode);
+ nolock = btrfs_is_free_space_inode(root, inode);
if (test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags)) {
BUG_ON(!list_empty(&ordered_extent->list));
inode_item = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_inode_item);
- if (!leaf->map_token)
- map_private_extent_buffer(leaf, (unsigned long)inode_item,
- sizeof(struct btrfs_inode_item),
- &leaf->map_token, &leaf->kaddr,
- &leaf->map_start, &leaf->map_len,
- KM_USER1);
-
inode->i_mode = btrfs_inode_mode(leaf, inode_item);
inode->i_nlink = btrfs_inode_nlink(leaf, inode_item);
inode->i_uid = btrfs_inode_uid(leaf, inode_item);
if (!maybe_acls)
cache_no_acl(inode);
- if (leaf->map_token) {
- unmap_extent_buffer(leaf, leaf->map_token, KM_USER1);
- leaf->map_token = NULL;
- }
-
btrfs_free_path(path);
switch (inode->i_mode & S_IFMT) {
struct btrfs_inode_item *item,
struct inode *inode)
{
- if (!leaf->map_token)
- map_private_extent_buffer(leaf, (unsigned long)item,
- sizeof(struct btrfs_inode_item),
- &leaf->map_token, &leaf->kaddr,
- &leaf->map_start, &leaf->map_len,
- KM_USER1);
-
btrfs_set_inode_uid(leaf, item, inode->i_uid);
btrfs_set_inode_gid(leaf, item, inode->i_gid);
btrfs_set_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size);
btrfs_set_inode_rdev(leaf, item, inode->i_rdev);
btrfs_set_inode_flags(leaf, item, BTRFS_I(inode)->flags);
btrfs_set_inode_block_group(leaf, item, 0);
-
- if (leaf->map_token) {
- unmap_extent_buffer(leaf, leaf->map_token, KM_USER1);
- leaf->map_token = NULL;
- }
}
/*
* The data relocation inode should also be directly updated
* without delay
*/
- if (!is_free_space_inode(root, inode)
+ if (!btrfs_is_free_space_inode(root, inode)
&& root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
ret = btrfs_delayed_update_inode(trans, root, inode);
if (!ret)
ret = -ENOMEM;
again:
- page = grab_cache_page(mapping, index);
+ page = find_or_create_page(mapping, index, GFP_NOFS);
if (!page) {
btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE);
goto out;
truncate_inode_pages(&inode->i_data, 0);
if (inode->i_nlink && (btrfs_root_refs(&root->root_item) != 0 ||
- is_free_space_inode(root, inode)))
+ btrfs_is_free_space_inode(root, inode)))
goto no_delete;
if (is_bad_inode(inode)) {
static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
- struct inode *inode;
-
- inode = btrfs_lookup_dentry(dir, dentry);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
-
- return d_splice_alias(inode, dentry);
+ return d_splice_alias(btrfs_lookup_dentry(dir, dentry), dentry);
}
unsigned char btrfs_filetype_table[] = {
if (BTRFS_I(inode)->dummy_inode)
return 0;
- if (btrfs_fs_closing(root->fs_info) && is_free_space_inode(root, inode))
+ if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(root, inode))
nolock = true;
if (wbc->sync_mode == WB_SYNC_ALL) {
inode->i_generation = BTRFS_I(inode)->generation;
btrfs_set_inode_space_info(root, inode);
- if (mode & S_IFDIR)
+ if (S_ISDIR(mode))
owner = 0;
else
owner = 1;
btrfs_inherit_iflags(inode, dir);
- if ((mode & S_IFREG)) {
+ if (S_ISREG(mode)) {
if (btrfs_test_opt(root, NODATASUM))
BTRFS_I(inode)->flags |= BTRFS_INODE_NODATASUM;
if (btrfs_test_opt(root, NODATACOW) ||
if (err) {
drop_inode = 1;
} else {
- struct dentry *parent = dget_parent(dentry);
+ struct dentry *parent = dentry->d_parent;
err = btrfs_update_inode(trans, root, inode);
BUG_ON(err);
btrfs_log_new_name(trans, inode, NULL, parent);
- dput(parent);
}
nr = trans->blocks_used;
ei->index_cnt = (u64)-1;
ei->last_unlink_trans = 0;
- atomic_set(&ei->outstanding_extents, 0);
- atomic_set(&ei->reserved_extents, 0);
+ spin_lock_init(&ei->lock);
+ ei->outstanding_extents = 0;
+ ei->reserved_extents = 0;
ei->ordered_data_close = 0;
ei->orphan_meta_reserved = 0;
WARN_ON(!list_empty(&inode->i_dentry));
WARN_ON(inode->i_data.nrpages);
- WARN_ON(atomic_read(&BTRFS_I(inode)->outstanding_extents));
- WARN_ON(atomic_read(&BTRFS_I(inode)->reserved_extents));
+ WARN_ON(BTRFS_I(inode)->outstanding_extents);
+ WARN_ON(BTRFS_I(inode)->reserved_extents);
/*
* This can happen where we create an inode, but somebody else also
struct btrfs_root *root = BTRFS_I(inode)->root;
if (btrfs_root_refs(&root->root_item) == 0 &&
- !is_free_space_inode(root, inode))
+ !btrfs_is_free_space_inode(root, inode))
return 1;
else
return generic_drop_inode(inode);
{
struct inode *inode = dentry->d_inode;
generic_fillattr(inode, stat);
- stat->dev = BTRFS_I(inode)->root->anon_super.s_dev;
+ stat->dev = BTRFS_I(inode)->root->anon_dev;
stat->blksize = PAGE_CACHE_SIZE;
stat->blocks = (inode_get_bytes(inode) +
BTRFS_I(inode)->delalloc_bytes) >> 9;
BUG_ON(ret);
if (old_ino != BTRFS_FIRST_FREE_OBJECTID) {
- struct dentry *parent = dget_parent(new_dentry);
+ struct dentry *parent = new_dentry->d_parent;
btrfs_log_new_name(trans, old_inode, old_dir, parent);
- dput(parent);
btrfs_end_log_trans(root);
}
out_fail:
return __set_page_dirty_nobuffers(page);
}
-static int btrfs_permission(struct inode *inode, int mask, unsigned int flags)
+static int btrfs_permission(struct inode *inode, int mask)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
return -EROFS;
if ((BTRFS_I(inode)->flags & BTRFS_INODE_READONLY) && (mask & MAY_WRITE))
return -EACCES;
- return generic_permission(inode, mask, flags, btrfs_check_acl);
+ return generic_permission(inode, mask);
}
static const struct inode_operations btrfs_dir_inode_operations = {
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
.permission = btrfs_permission,
+ .get_acl = btrfs_get_acl,
};
static const struct inode_operations btrfs_dir_ro_inode_operations = {
.lookup = btrfs_lookup,
.permission = btrfs_permission,
+ .get_acl = btrfs_get_acl,
};
static const struct file_operations btrfs_dir_file_operations = {
.removexattr = btrfs_removexattr,
.permission = btrfs_permission,
.fiemap = btrfs_fiemap,
+ .get_acl = btrfs_get_acl,
};
static const struct inode_operations btrfs_special_inode_operations = {
.getattr = btrfs_getattr,
.getxattr = btrfs_getxattr,
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
+ .get_acl = btrfs_get_acl,
};
static const struct inode_operations btrfs_symlink_inode_operations = {
.readlink = generic_readlink,
.getxattr = btrfs_getxattr,
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
+ .get_acl = btrfs_get_acl,
};
const struct dentry_operations btrfs_dentry_operations = {