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| author | Jeff Mahoney <jeffm@suse.com> | 2016-06-22 18:54:23 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-12-06 16:06:59 +0100 |
| commit | 0b246afa62b0cf5b09d078121f543135f28492ad (patch) | |
| tree | 200ad296d09f1b2f5329658c8de81bc625007ace /fs/btrfs/export.c | |
| parent | 6202df6921494f29308307e0ae6f567c2ab2ba19 (diff) | |
| download | linux-0b246afa62b0cf5b09d078121f543135f28492ad.tar.gz | |
btrfs: root->fs_info cleanup, add fs_info convenience variables
In routines where someptr->fs_info is referenced multiple times, we introduce a convenience variable. This makes the code considerably more readable. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/export.c')
| -rw-r--r-- | fs/btrfs/export.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 2513a7f53334..340d90751263 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -153,6 +153,7 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh, static struct dentry *btrfs_get_parent(struct dentry *child) { struct inode *dir = d_inode(child); + struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_path *path; struct extent_buffer *leaf; @@ -169,7 +170,7 @@ static struct dentry *btrfs_get_parent(struct dentry *child) key.objectid = root->root_key.objectid; key.type = BTRFS_ROOT_BACKREF_KEY; key.offset = (u64)-1; - root = root->fs_info->tree_root; + root = fs_info->tree_root; } else { key.objectid = btrfs_ino(dir); key.type = BTRFS_INODE_REF_KEY; @@ -205,13 +206,13 @@ static struct dentry *btrfs_get_parent(struct dentry *child) btrfs_free_path(path); if (found_key.type == BTRFS_ROOT_BACKREF_KEY) { - return btrfs_get_dentry(root->fs_info->sb, key.objectid, + return btrfs_get_dentry(fs_info->sb, key.objectid, found_key.offset, 0, 0); } key.type = BTRFS_INODE_ITEM_KEY; key.offset = 0; - return d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL)); + return d_obtain_alias(btrfs_iget(fs_info->sb, &key, root, NULL)); fail: btrfs_free_path(path); return ERR_PTR(ret); @@ -222,6 +223,7 @@ static int btrfs_get_name(struct dentry *parent, char *name, { struct inode *inode = d_inode(child); struct inode *dir = d_inode(parent); + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_path *path; struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_inode_ref *iref; @@ -250,7 +252,7 @@ static int btrfs_get_name(struct dentry *parent, char *name, key.objectid = BTRFS_I(inode)->root->root_key.objectid; key.type = BTRFS_ROOT_BACKREF_KEY; key.offset = (u64)-1; - root = root->fs_info->tree_root; + root = fs_info->tree_root; } else { key.objectid = ino; key.offset = btrfs_ino(dir); |