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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c72
1 files changed, 54 insertions, 18 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index bafff72de8e8..1a85f83abd53 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -50,6 +50,7 @@ enum {
Opt_active_logs,
Opt_disable_ext_identify,
Opt_inline_xattr,
+ Opt_inline_data,
Opt_err,
};
@@ -65,6 +66,7 @@ static match_table_t f2fs_tokens = {
{Opt_active_logs, "active_logs=%u"},
{Opt_disable_ext_identify, "disable_ext_identify"},
{Opt_inline_xattr, "inline_xattr"},
+ {Opt_inline_data, "inline_data"},
{Opt_err, NULL},
};
@@ -72,6 +74,7 @@ static match_table_t f2fs_tokens = {
enum {
GC_THREAD, /* struct f2fs_gc_thread */
SM_INFO, /* struct f2fs_sm_info */
+ F2FS_SBI, /* struct f2fs_sb_info */
};
struct f2fs_attr {
@@ -89,6 +92,8 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
return (unsigned char *)sbi->gc_thread;
else if (struct_type == SM_INFO)
return (unsigned char *)SM_I(sbi);
+ else if (struct_type == F2FS_SBI)
+ return (unsigned char *)sbi;
return NULL;
}
@@ -175,6 +180,10 @@ F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_max_sleep_time, max_sleep_time);
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time);
F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_idle, gc_idle);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
+F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, max_small_discards, max_discards);
+F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
+F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = {
@@ -183,6 +192,10 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(gc_no_gc_sleep_time),
ATTR_LIST(gc_idle),
ATTR_LIST(reclaim_segments),
+ ATTR_LIST(max_small_discards),
+ ATTR_LIST(ipu_policy),
+ ATTR_LIST(min_ipu_util),
+ ATTR_LIST(max_victim_search),
NULL,
};
@@ -311,6 +324,9 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_disable_ext_identify:
set_opt(sbi, DISABLE_EXT_IDENTIFY);
break;
+ case Opt_inline_data:
+ set_opt(sbi, INLINE_DATA);
+ break;
default:
f2fs_msg(sb, KERN_ERR,
"Unrecognized mount option \"%s\" or missing value",
@@ -325,7 +341,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
{
struct f2fs_inode_info *fi;
- fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_NOFS | __GFP_ZERO);
+ fi = kmem_cache_alloc(f2fs_inode_cachep, GFP_F2FS_ZERO);
if (!fi)
return NULL;
@@ -508,7 +524,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
#endif
if (test_opt(sbi, DISABLE_EXT_IDENTIFY))
seq_puts(seq, ",disable_ext_identify");
-
+ if (test_opt(sbi, INLINE_DATA))
+ seq_puts(seq, ",inline_data");
seq_printf(seq, ",active_logs=%u", sbi->active_logs);
return 0;
@@ -518,7 +535,8 @@ static int segment_info_seq_show(struct seq_file *seq, void *offset)
{
struct super_block *sb = seq->private;
struct f2fs_sb_info *sbi = F2FS_SB(sb);
- unsigned int total_segs = le32_to_cpu(sbi->raw_super->segment_count_main);
+ unsigned int total_segs =
+ le32_to_cpu(sbi->raw_super->segment_count_main);
int i;
for (i = 0; i < total_segs; i++) {
@@ -618,7 +636,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb,
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct inode *inode;
- if (ino < F2FS_ROOT_INO(sbi))
+ if (unlikely(ino < F2FS_ROOT_INO(sbi)))
return ERR_PTR(-ESTALE);
/*
@@ -629,7 +647,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb,
inode = f2fs_iget(sb, ino);
if (IS_ERR(inode))
return ERR_CAST(inode);
- if (generation && inode->i_generation != generation) {
+ if (unlikely(generation && inode->i_generation != generation)) {
/* we didn't find the right inode.. */
iput(inode);
return ERR_PTR(-ESTALE);
@@ -732,10 +750,10 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi)
fsmeta += le32_to_cpu(ckpt->rsvd_segment_count);
fsmeta += le32_to_cpu(raw_super->segment_count_ssa);
- if (fsmeta >= total)
+ if (unlikely(fsmeta >= total))
return 1;
- if (is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)) {
+ if (unlikely(is_set_ckpt_flags(ckpt, CP_ERROR_FLAG))) {
f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");
return 1;
}
@@ -763,6 +781,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->node_ino_num = le32_to_cpu(raw_super->node_ino);
sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);
sbi->cur_victim_sec = NULL_SECNO;
+ sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
for (i = 0; i < NR_COUNT_TYPE; i++)
atomic_set(&sbi->nr_pages[i], 0);
@@ -798,9 +817,10 @@ retry:
/* sanity checking of raw super */
if (sanity_check_raw_super(sb, *raw_super)) {
brelse(*raw_super_buf);
- f2fs_msg(sb, KERN_ERR, "Can't find a valid F2FS filesystem "
- "in %dth superblock", block + 1);
- if(block == 0) {
+ f2fs_msg(sb, KERN_ERR,
+ "Can't find valid F2FS filesystem in %dth superblock",
+ block + 1);
+ if (block == 0) {
block++;
goto retry;
} else {
@@ -818,6 +838,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
struct buffer_head *raw_super_buf;
struct inode *root;
long err = -EINVAL;
+ int i;
/* allocate memory for f2fs-specific super block info */
sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL);
@@ -825,7 +846,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
/* set a block size */
- if (!sb_set_blocksize(sb, F2FS_BLKSIZE)) {
+ if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {
f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
goto free_sbi;
}
@@ -874,7 +895,16 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
mutex_init(&sbi->node_write);
sbi->por_doing = false;
spin_lock_init(&sbi->stat_lock);
- init_rwsem(&sbi->bio_sem);
+
+ mutex_init(&sbi->read_io.io_mutex);
+ sbi->read_io.sbi = sbi;
+ sbi->read_io.bio = NULL;
+ for (i = 0; i < NR_PAGE_TYPE; i++) {
+ mutex_init(&sbi->write_io[i].io_mutex);
+ sbi->write_io[i].sbi = sbi;
+ sbi->write_io[i].bio = NULL;
+ }
+
init_rwsem(&sbi->cp_rwsem);
init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
@@ -939,9 +969,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
}
/* if there are nt orphan nodes free them */
- err = -EINVAL;
- if (recover_orphan_inodes(sbi))
- goto free_node_inode;
+ recover_orphan_inodes(sbi);
/* read root inode and dentry */
root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
@@ -950,8 +978,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
err = PTR_ERR(root);
goto free_node_inode;
}
- if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size)
+ if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
+ err = -EINVAL;
goto free_root_inode;
+ }
sb->s_root = d_make_root(root); /* allocate root dentry */
if (!sb->s_root) {
@@ -1053,7 +1083,7 @@ static int __init init_inodecache(void)
{
f2fs_inode_cachep = f2fs_kmem_cache_create("f2fs_inode_cache",
sizeof(struct f2fs_inode_info), NULL);
- if (f2fs_inode_cachep == NULL)
+ if (!f2fs_inode_cachep)
return -ENOMEM;
return 0;
}
@@ -1078,9 +1108,12 @@ static int __init init_f2fs_fs(void)
err = create_node_manager_caches();
if (err)
goto free_inodecache;
- err = create_gc_caches();
+ 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;
@@ -1102,6 +1135,8 @@ free_checkpoint_caches:
destroy_checkpoint_caches();
free_gc_caches:
destroy_gc_caches();
+free_segment_manager_caches:
+ destroy_segment_manager_caches();
free_node_manager_caches:
destroy_node_manager_caches();
free_inodecache:
@@ -1117,6 +1152,7 @@ static void __exit exit_f2fs_fs(void)
unregister_filesystem(&f2fs_fs_type);
destroy_checkpoint_caches();
destroy_gc_caches();
+ destroy_segment_manager_caches();
destroy_node_manager_caches();
destroy_inodecache();
kset_unregister(f2fs_kset);

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