diff options
Diffstat (limited to 'fs/btrfs/tree-mod-log.c')
| -rw-r--r-- | fs/btrfs/tree-mod-log.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/fs/btrfs/tree-mod-log.c b/fs/btrfs/tree-mod-log.c index 099503a3e2c9..1c992406f6a6 100644 --- a/fs/btrfs/tree-mod-log.c +++ b/fs/btrfs/tree-mod-log.c @@ -158,40 +158,40 @@ static noinline int tree_mod_log_insert(struct btrfs_fs_info *fs_info, } /* - * Determines if logging can be omitted. Returns 1 if it can. Otherwise, it - * returns zero with the tree_mod_log_lock acquired. The caller must hold + * Determines if logging can be omitted. Returns true if it can. Otherwise, it + * returns false with the tree_mod_log_lock acquired. The caller must hold * this until all tree mod log insertions are recorded in the rb tree and then * write unlock fs_info::tree_mod_log_lock. */ -static inline int tree_mod_dont_log(struct btrfs_fs_info *fs_info, +static inline bool tree_mod_dont_log(struct btrfs_fs_info *fs_info, struct extent_buffer *eb) { smp_mb(); if (list_empty(&(fs_info)->tree_mod_seq_list)) - return 1; + return true; if (eb && btrfs_header_level(eb) == 0) - return 1; + return true; write_lock(&fs_info->tree_mod_log_lock); if (list_empty(&(fs_info)->tree_mod_seq_list)) { write_unlock(&fs_info->tree_mod_log_lock); - return 1; + return true; } - return 0; + return false; } /* Similar to tree_mod_dont_log, but doesn't acquire any locks. */ -static inline int tree_mod_need_log(const struct btrfs_fs_info *fs_info, +static inline bool tree_mod_need_log(const struct btrfs_fs_info *fs_info, struct extent_buffer *eb) { smp_mb(); if (list_empty(&(fs_info)->tree_mod_seq_list)) - return 0; + return false; if (eb && btrfs_header_level(eb) == 0) - return 0; + return false; - return 1; + return true; } static struct tree_mod_elem *alloc_tree_mod_elem(struct extent_buffer *eb, @@ -252,7 +252,7 @@ int btrfs_tree_mod_log_insert_move(struct extent_buffer *eb, struct tree_mod_elem **tm_list = NULL; int ret = 0; int i; - int locked = 0; + bool locked = false; if (!tree_mod_need_log(eb->fs_info, eb)) return 0; @@ -284,7 +284,7 @@ int btrfs_tree_mod_log_insert_move(struct extent_buffer *eb, if (tree_mod_dont_log(eb->fs_info, eb)) goto free_tms; - locked = 1; + locked = true; /* * When we override something during the move, we log these removals. @@ -341,7 +341,7 @@ static inline int tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, int btrfs_tree_mod_log_insert_root(struct extent_buffer *old_root, struct extent_buffer *new_root, - int log_removal) + bool log_removal) { struct btrfs_fs_info *fs_info = old_root->fs_info; struct tree_mod_elem *tm = NULL; @@ -411,7 +411,7 @@ free_tms: static struct tree_mod_elem *__tree_mod_log_search(struct btrfs_fs_info *fs_info, u64 start, u64 min_seq, - int smallest) + bool smallest) { struct rb_root *tm_root; struct rb_node *node; @@ -459,7 +459,7 @@ static struct tree_mod_elem *__tree_mod_log_search(struct btrfs_fs_info *fs_info static struct tree_mod_elem *tree_mod_log_search_oldest(struct btrfs_fs_info *fs_info, u64 start, u64 min_seq) { - return __tree_mod_log_search(fs_info, start, min_seq, 1); + return __tree_mod_log_search(fs_info, start, min_seq, true); } /* @@ -470,7 +470,7 @@ static struct tree_mod_elem *tree_mod_log_search_oldest(struct btrfs_fs_info *fs static struct tree_mod_elem *tree_mod_log_search(struct btrfs_fs_info *fs_info, u64 start, u64 min_seq) { - return __tree_mod_log_search(fs_info, start, min_seq, 0); + return __tree_mod_log_search(fs_info, start, min_seq, false); } int btrfs_tree_mod_log_eb_copy(struct extent_buffer *dst, @@ -484,7 +484,7 @@ int btrfs_tree_mod_log_eb_copy(struct extent_buffer *dst, struct tree_mod_elem **tm_list = NULL; struct tree_mod_elem **tm_list_add, **tm_list_rem; int i; - int locked = 0; + bool locked = false; if (!tree_mod_need_log(fs_info, NULL)) return 0; @@ -517,7 +517,7 @@ int btrfs_tree_mod_log_eb_copy(struct extent_buffer *dst, if (tree_mod_dont_log(fs_info, NULL)) goto free_tms; - locked = 1; + locked = true; for (i = 0; i < nr_items; i++) { ret = tree_mod_log_insert(fs_info, tm_list_rem[i]); @@ -602,7 +602,7 @@ static struct tree_mod_elem *tree_mod_log_oldest_root(struct extent_buffer *eb_r struct tree_mod_elem *tm; struct tree_mod_elem *found = NULL; u64 root_logical = eb_root->start; - int looped = 0; + bool looped = false; if (!time_seq) return NULL; @@ -636,7 +636,7 @@ static struct tree_mod_elem *tree_mod_log_oldest_root(struct extent_buffer *eb_r found = tm; root_logical = tm->old_root.logical; - looped = 1; + looped = true; } /* If there's no old root to return, return what we found instead */ |