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| author | Jeff Mahoney | 2016-06-23 00:54:23 +0200 |
|---|---|---|
| committer | David Sterba | 2016-12-06 16:06:59 +0100 |
| commit | 0b246afa62b0cf5b09d078121f543135f28492ad (patch) | |
| tree | 200ad296d09f1b2f5329658c8de81bc625007ace /fs/btrfs/ctree.h | |
| parent | btrfs: root->fs_info cleanup, update_block_group{,flags} (diff) | |
| download | kernel-qcow2-linux-0b246afa62b0cf5b09d078121f543135f28492ad.tar.gz kernel-qcow2-linux-0b246afa62b0cf5b09d078121f543135f28492ad.tar.xz kernel-qcow2-linux-0b246afa62b0cf5b09d078121f543135f28492ad.zip | |
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/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 19b6bb2f2368..860103020ac9 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1352,9 +1352,11 @@ static inline int btrfs_should_fragment_free_space(struct btrfs_root *root, struct btrfs_block_group_cache *block_group) { - return (btrfs_test_opt(root->fs_info, FRAGMENT_METADATA) && + struct btrfs_fs_info *fs_info = root->fs_info; + + return (btrfs_test_opt(fs_info, FRAGMENT_METADATA) && block_group->flags & BTRFS_BLOCK_GROUP_METADATA) || - (btrfs_test_opt(root->fs_info, FRAGMENT_DATA) && + (btrfs_test_opt(fs_info, FRAGMENT_DATA) && block_group->flags & BTRFS_BLOCK_GROUP_DATA); } #endif @@ -2312,10 +2314,11 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l) static inline unsigned int leaf_data_end(struct btrfs_root *root, struct extent_buffer *leaf) { + struct btrfs_fs_info *fs_info = root->fs_info; u32 nr = btrfs_header_nritems(leaf); if (nr == 0) - return BTRFS_LEAF_DATA_SIZE(root->fs_info); + return BTRFS_LEAF_DATA_SIZE(fs_info); return btrfs_item_offset_nr(leaf, nr - 1); } @@ -2905,8 +2908,9 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) */ static inline int btrfs_need_cleaner_sleep(struct btrfs_root *root) { - return (root->fs_info->sb->s_flags & MS_RDONLY || - btrfs_fs_closing(root->fs_info)); + struct btrfs_fs_info *fs_info = root->fs_info; + + return (fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info)); } static inline void free_fs_info(struct btrfs_fs_info *fs_info) |