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OpenCloudOS-Kernel
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btrfs: Remove root arg from btrfs_log_inode_parent 

btrfs_log_inode_parent is called from 2 places (btrfs_log_dentry_safe
and btrfs_log_new_name) both of which pass inode->root as the root
argument and the inode itself. Remove the redundant root argument and
get a reference to the root directly from the inode, also remove
redundant root != inode->root check from the same function. No
functional change.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-02-27 17:37:17 +02:00 committed by David Sterba
parent 448f3a17ac
commit f882274b2d
1 changed files with 6 additions and 7 deletions
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13
fs/btrfs/tree-log.c
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@ -5513,7 +5513,6 @@ out:
* the last committed transaction
*/
static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_inode *inode,
struct dentry *parent,
const loff_t start,
@ -5521,6 +5520,7 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
int inode_only,
struct btrfs_log_ctx *ctx)
{
struct btrfs_root *root = inode->root;
struct btrfs_fs_info *fs_info = root->fs_info;
struct super_block *sb;
struct dentry *old_parent = NULL;
@ -5546,7 +5546,7 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
goto end_no_trans;
}
if (root != inode->root || btrfs_root_refs(&root->root_item) == 0) {
if (btrfs_root_refs(&root->root_item) == 0) {
ret = 1;
goto end_no_trans;
}
@ -5686,8 +5686,8 @@ int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
struct dentry *parent = dget_parent(dentry);
int ret;
ret = btrfs_log_inode_parent(trans, root, BTRFS_I(d_inode(dentry)),
parent, start, end, LOG_INODE_ALL, ctx);
ret = btrfs_log_inode_parent(trans, BTRFS_I(d_inode(dentry)), parent,
start, end, LOG_INODE_ALL, ctx);
dput(parent);
return ret;
@ -5949,7 +5949,6 @@ int btrfs_log_new_name(struct btrfs_trans_handle *trans,
struct dentry *parent)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
struct btrfs_root *root = inode->root;
/*
* this will force the logging code to walk the dentry chain
@ -5966,7 +5965,7 @@ int btrfs_log_new_name(struct btrfs_trans_handle *trans,
(!old_dir || old_dir->logged_trans <= fs_info->last_trans_committed))
return 0;
return btrfs_log_inode_parent(trans, root, inode, parent, 0,
LLONG_MAX, LOG_INODE_EXISTS, NULL);
return btrfs_log_inode_parent(trans, inode, parent, 0, LLONG_MAX,
LOG_INODE_EXISTS, NULL);
}