diff options
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 18 | ||||
| -rw-r--r-- | fs/f2fs/debug.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 14 | ||||
| -rw-r--r-- | fs/f2fs/gc.c | 20 | ||||
| -rw-r--r-- | fs/f2fs/gc.h | 7 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 8 |
6 files changed, 24 insertions, 45 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 3999933..9f5317c 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -24,7 +24,7 @@ #include <trace/events/f2fs.h> static struct kmem_cache *ino_entry_slab; -static struct kmem_cache *inode_entry_slab; +struct kmem_cache *inode_entry_slab; /* * We guarantee no failure on the returned page. @@ -673,7 +673,7 @@ fail_no_cp: return -EINVAL; } -static int __add_dirty_inode(struct inode *inode, struct dir_inode_entry *new) +static int __add_dirty_inode(struct inode *inode, struct inode_entry *new) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); @@ -690,7 +690,7 @@ static int __add_dirty_inode(struct inode *inode, struct dir_inode_entry *new) void update_dirty_page(struct inode *inode, struct page *page) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct dir_inode_entry *new; + struct inode_entry *new; int ret = 0; if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode)) @@ -720,7 +720,7 @@ out: void add_dirty_dir_inode(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct dir_inode_entry *new = + struct inode_entry *new = f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS); int ret = 0; @@ -738,7 +738,7 @@ void add_dirty_dir_inode(struct inode *inode) void remove_dirty_dir_inode(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - struct dir_inode_entry *entry; + struct inode_entry *entry; if (!S_ISDIR(inode->i_mode)) return; @@ -768,7 +768,7 @@ void remove_dirty_dir_inode(struct inode *inode) void sync_dirty_dir_inodes(struct f2fs_sb_info *sbi) { struct list_head *head; - struct dir_inode_entry *entry; + struct inode_entry *entry; struct inode *inode; retry: if (unlikely(f2fs_cp_error(sbi))) @@ -781,7 +781,7 @@ retry: spin_unlock(&sbi->dir_inode_lock); return; } - entry = list_entry(head->next, struct dir_inode_entry, list); + entry = list_entry(head->next, struct inode_entry, list); inode = igrab(entry->inode); spin_unlock(&sbi->dir_inode_lock); if (inode) { @@ -1107,8 +1107,8 @@ int __init create_checkpoint_caches(void) sizeof(struct ino_entry)); if (!ino_entry_slab) return -ENOMEM; - inode_entry_slab = f2fs_kmem_cache_create("f2fs_dirty_dir_entry", - sizeof(struct dir_inode_entry)); + inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry", + sizeof(struct inode_entry)); if (!inode_entry_slab) { kmem_cache_destroy(ino_entry_slab); return -ENOMEM; diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 2b64221..dd7835b 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -172,7 +172,7 @@ get_cache: si->cache_mem += npages << PAGE_CACHE_SHIFT; npages = META_MAPPING(sbi)->nrpages; si->cache_mem += npages << PAGE_CACHE_SHIFT; - si->cache_mem += sbi->n_dirty_dirs * sizeof(struct dir_inode_entry); + si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry); for (i = 0; i <= UPDATE_INO; i++) si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry); } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 3226af0..c48847e 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -136,8 +136,14 @@ struct ino_entry { nid_t ino; /* inode number */ }; -/* for the list of directory inodes */ -struct dir_inode_entry { +/* + * for the list of directory inodes or gc inodes. + * NOTE: there are two slab users for this structure, if we add/modify/delete + * fields in structure for one of slab users, it may affect fields or size of + * other one, in this condition, it's better to split both of slab and related + * data structure. + */ +struct inode_entry { struct list_head list; /* list head */ struct inode *inode; /* vfs inode pointer */ }; @@ -297,7 +303,7 @@ struct f2fs_inode_info { nid_t i_xattr_nid; /* node id that contains xattrs */ unsigned long long xattr_ver; /* cp version of xattr modification */ struct extent_info ext; /* in-memory extent cache entry */ - struct dir_inode_entry *dirty_dir; /* the pointer of dirty dir */ + struct inode_entry *dirty_dir; /* the pointer of dirty dir */ struct radix_tree_root inmem_root; /* radix tree for inmem pages */ struct list_head inmem_pages; /* inmemory pages managed by f2fs */ @@ -1487,8 +1493,6 @@ void stop_gc_thread(struct f2fs_sb_info *); block_t start_bidx_of_node(unsigned int, struct f2fs_inode_info *); int f2fs_gc(struct f2fs_sb_info *); void build_gc_manager(struct f2fs_sb_info *); -int __init create_gc_caches(void); -void destroy_gc_caches(void); /* * recovery.c diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index eec0933..40887d3 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -24,8 +24,6 @@ #include "gc.h" #include <trace/events/f2fs.h> -static struct kmem_cache *winode_slab; - static int gc_thread_func(void *data) { struct f2fs_sb_info *sbi = data; @@ -356,7 +354,7 @@ static void add_gc_inode(struct gc_inode_list *gc_list, struct inode *inode) iput(inode); return; } - new_ie = f2fs_kmem_cache_alloc(winode_slab, GFP_NOFS); + new_ie = f2fs_kmem_cache_alloc(inode_entry_slab, GFP_NOFS); new_ie->inode = inode; retry: if (radix_tree_insert(&gc_list->iroot, inode->i_ino, new_ie)) { @@ -373,7 +371,7 @@ static void put_gc_inode(struct gc_inode_list *gc_list) radix_tree_delete(&gc_list->iroot, ie->inode->i_ino); iput(ie->inode); list_del(&ie->list); - kmem_cache_free(winode_slab, ie); + kmem_cache_free(inode_entry_slab, ie); } } @@ -750,17 +748,3 @@ void build_gc_manager(struct f2fs_sb_info *sbi) { DIRTY_I(sbi)->v_ops = &default_v_ops; } - -int __init create_gc_caches(void) -{ - winode_slab = f2fs_kmem_cache_create("f2fs_gc_inodes", - sizeof(struct inode_entry)); - if (!winode_slab) - return -ENOMEM; - return 0; -} - -void destroy_gc_caches(void) -{ - kmem_cache_destroy(winode_slab); -} diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 6ff7ad3..524543a 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -35,16 +35,13 @@ struct f2fs_gc_kthread { unsigned int gc_idle; }; -struct inode_entry { - struct list_head list; - struct inode *inode; -}; - struct gc_inode_list { struct list_head ilist; struct radix_tree_root iroot; }; +extern struct kmem_cache *inode_entry_slab; + /* * inline functions */ diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index cf68e44..0ae6a2f 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1231,12 +1231,9 @@ static int __init init_f2fs_fs(void) err = create_segment_manager_caches(); if (err) goto free_node_manager_caches; - err = create_gc_caches(); - if (err) - goto free_segment_manager_caches; err = create_checkpoint_caches(); if (err) - goto free_gc_caches; + goto free_segment_manager_caches; f2fs_kset = kset_create_and_add("f2fs", NULL, fs_kobj); if (!f2fs_kset) { err = -ENOMEM; @@ -1253,8 +1250,6 @@ free_kset: kset_unregister(f2fs_kset); free_checkpoint_caches: destroy_checkpoint_caches(); -free_gc_caches: - destroy_gc_caches(); free_segment_manager_caches: destroy_segment_manager_caches(); free_node_manager_caches: @@ -1271,7 +1266,6 @@ static void __exit exit_f2fs_fs(void) f2fs_destroy_root_stats(); unregister_filesystem(&f2fs_fs_type); destroy_checkpoint_caches(); - destroy_gc_caches(); destroy_segment_manager_caches(); destroy_node_manager_caches(); destroy_inodecache(); |