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Diffstat (limited to 'fs/f2fs/checkpoint.c')
-rw-r--r--fs/f2fs/checkpoint.c76
1 files changed, 40 insertions, 36 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 1c6eb6bcfd99..f93d154e2770 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -22,7 +22,7 @@
#include "segment.h"
#include <trace/events/f2fs.h>
-static struct kmem_cache *orphan_entry_slab;
+static struct kmem_cache *ino_entry_slab;
static struct kmem_cache *inode_entry_slab;
/*
@@ -282,19 +282,18 @@ const struct address_space_operations f2fs_meta_aops = {
.set_page_dirty = f2fs_set_meta_page_dirty,
};
-static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino)
+static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
{
- struct list_head *head;
- struct orphan_inode_entry *new, *e;
+ struct ino_entry *new, *e;
- new = f2fs_kmem_cache_alloc(orphan_entry_slab, GFP_ATOMIC);
+ new = f2fs_kmem_cache_alloc(ino_entry_slab, GFP_ATOMIC);
new->ino = ino;
- spin_lock(&sbi->orphan_inode_lock);
- list_for_each_entry(e, &sbi->orphan_inode_list, list) {
+ spin_lock(&sbi->ino_lock[type]);
+ list_for_each_entry(e, &sbi->ino_list[type], list) {
if (e->ino == ino) {
- spin_unlock(&sbi->orphan_inode_lock);
- kmem_cache_free(orphan_entry_slab, new);
+ spin_unlock(&sbi->ino_lock[type]);
+ kmem_cache_free(ino_entry_slab, new);
return;
}
if (e->ino > ino)
@@ -303,58 +302,58 @@ static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino)
/* add new entry into list which is sorted by inode number */
list_add_tail(&new->list, &e->list);
- spin_unlock(&sbi->orphan_inode_lock);
+ spin_unlock(&sbi->ino_lock[type]);
}
-static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino)
+static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
{
- struct orphan_inode_entry *e;
+ struct ino_entry *e;
- spin_lock(&sbi->orphan_inode_lock);
- list_for_each_entry(e, &sbi->orphan_inode_list, list) {
+ spin_lock(&sbi->ino_lock[type]);
+ list_for_each_entry(e, &sbi->ino_list[type], list) {
if (e->ino == ino) {
list_del(&e->list);
sbi->n_orphans--;
- spin_unlock(&sbi->orphan_inode_lock);
- kmem_cache_free(orphan_entry_slab, e);
+ spin_unlock(&sbi->ino_lock[type]);
+ kmem_cache_free(ino_entry_slab, e);
return;
}
}
- spin_unlock(&sbi->orphan_inode_lock);
+ spin_unlock(&sbi->ino_lock[type]);
}
int acquire_orphan_inode(struct f2fs_sb_info *sbi)
{
int err = 0;
- spin_lock(&sbi->orphan_inode_lock);
+ spin_lock(&sbi->ino_lock[ORPHAN_INO]);
if (unlikely(sbi->n_orphans >= sbi->max_orphans))
err = -ENOSPC;
else
sbi->n_orphans++;
- spin_unlock(&sbi->orphan_inode_lock);
+ spin_unlock(&sbi->ino_lock[ORPHAN_INO]);
return err;
}
void release_orphan_inode(struct f2fs_sb_info *sbi)
{
- spin_lock(&sbi->orphan_inode_lock);
+ spin_lock(&sbi->ino_lock[ORPHAN_INO]);
f2fs_bug_on(sbi->n_orphans == 0);
sbi->n_orphans--;
- spin_unlock(&sbi->orphan_inode_lock);
+ spin_unlock(&sbi->ino_lock[ORPHAN_INO]);
}
void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
/* add new orphan entry into list which is sorted by inode number */
- __add_ino_entry(sbi, ino);
+ __add_ino_entry(sbi, ino, ORPHAN_INO);
}
void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
{
/* remove orphan entry from orphan list */
- __remove_ino_entry(sbi, ino);
+ __remove_ino_entry(sbi, ino, ORPHAN_INO);
}
static void recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
@@ -408,14 +407,14 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
unsigned short orphan_blocks = (unsigned short)((sbi->n_orphans +
(F2FS_ORPHANS_PER_BLOCK - 1)) / F2FS_ORPHANS_PER_BLOCK);
struct page *page = NULL;
- struct orphan_inode_entry *orphan = NULL;
+ struct ino_entry *orphan = NULL;
for (index = 0; index < orphan_blocks; index++)
grab_meta_page(sbi, start_blk + index);
index = 1;
- spin_lock(&sbi->orphan_inode_lock);
- head = &sbi->orphan_inode_list;
+ spin_lock(&sbi->ino_lock[ORPHAN_INO]);
+ head = &sbi->ino_list[ORPHAN_INO];
/* loop for each orphan inode entry and write them in Jornal block */
list_for_each_entry(orphan, head, list) {
@@ -455,7 +454,7 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
f2fs_put_page(page, 1);
}
- spin_unlock(&sbi->orphan_inode_lock);
+ spin_unlock(&sbi->ino_lock[ORPHAN_INO]);
}
static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
@@ -939,31 +938,36 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint");
}
-void init_orphan_info(struct f2fs_sb_info *sbi)
+void init_ino_entry_info(struct f2fs_sb_info *sbi)
{
- spin_lock_init(&sbi->orphan_inode_lock);
- INIT_LIST_HEAD(&sbi->orphan_inode_list);
- sbi->n_orphans = 0;
+ int i;
+
+ for (i = 0; i < MAX_INO_ENTRY; i++) {
+ spin_lock_init(&sbi->ino_lock[i]);
+ INIT_LIST_HEAD(&sbi->ino_list[i]);
+ }
+
/*
* considering 512 blocks in a segment 8 blocks are needed for cp
* and log segment summaries. Remaining blocks are used to keep
* orphan entries with the limitation one reserved segment
* for cp pack we can have max 1020*504 orphan entries
*/
+ sbi->n_orphans = 0;
sbi->max_orphans = (sbi->blocks_per_seg - 2 - NR_CURSEG_TYPE)
* F2FS_ORPHANS_PER_BLOCK;
}
int __init create_checkpoint_caches(void)
{
- orphan_entry_slab = f2fs_kmem_cache_create("f2fs_orphan_entry",
- sizeof(struct orphan_inode_entry));
- if (!orphan_entry_slab)
+ ino_entry_slab = f2fs_kmem_cache_create("f2fs_ino_entry",
+ 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));
if (!inode_entry_slab) {
- kmem_cache_destroy(orphan_entry_slab);
+ kmem_cache_destroy(ino_entry_slab);
return -ENOMEM;
}
return 0;
@@ -971,6 +975,6 @@ int __init create_checkpoint_caches(void)
void destroy_checkpoint_caches(void)
{
- kmem_cache_destroy(orphan_entry_slab);
+ kmem_cache_destroy(ino_entry_slab);
kmem_cache_destroy(inode_entry_slab);
}