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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c91
1 files changed, 56 insertions, 35 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index baefd398ec1a..769d18a2041f 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1355,16 +1355,16 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
/* Initialize f2fs-specific inode info */
atomic_set(&fi->dirty_pages, 0);
atomic_set(&fi->i_compr_blocks, 0);
- init_rwsem(&fi->i_sem);
+ init_f2fs_rwsem(&fi->i_sem);
spin_lock_init(&fi->i_size_lock);
INIT_LIST_HEAD(&fi->dirty_list);
INIT_LIST_HEAD(&fi->gdirty_list);
INIT_LIST_HEAD(&fi->inmem_ilist);
INIT_LIST_HEAD(&fi->inmem_pages);
mutex_init(&fi->inmem_lock);
- init_rwsem(&fi->i_gc_rwsem[READ]);
- init_rwsem(&fi->i_gc_rwsem[WRITE]);
- init_rwsem(&fi->i_xattr_sem);
+ init_f2fs_rwsem(&fi->i_gc_rwsem[READ]);
+ init_f2fs_rwsem(&fi->i_gc_rwsem[WRITE]);
+ init_f2fs_rwsem(&fi->i_xattr_sem);
/* Will be used by directory only */
fi->i_dir_level = F2FS_SB(sb)->dir_level;
@@ -1501,8 +1501,9 @@ static void f2fs_free_inode(struct inode *inode)
static void destroy_percpu_info(struct f2fs_sb_info *sbi)
{
- percpu_counter_destroy(&sbi->alloc_valid_block_count);
percpu_counter_destroy(&sbi->total_valid_inode_count);
+ percpu_counter_destroy(&sbi->rf_node_block_count);
+ percpu_counter_destroy(&sbi->alloc_valid_block_count);
}
static void destroy_device_list(struct f2fs_sb_info *sbi)
@@ -1662,11 +1663,15 @@ static int f2fs_freeze(struct super_block *sb)
/* ensure no checkpoint required */
if (!llist_empty(&F2FS_SB(sb)->cprc_info.issue_list))
return -EINVAL;
+
+ /* to avoid deadlock on f2fs_evict_inode->SB_FREEZE_FS */
+ set_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
return 0;
}
static int f2fs_unfreeze(struct super_block *sb)
{
+ clear_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
return 0;
}
@@ -2075,6 +2080,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
{
unsigned int s_flags = sbi->sb->s_flags;
struct cp_control cpc;
+ unsigned int gc_mode;
int err = 0;
int ret;
block_t unusable;
@@ -2087,8 +2093,11 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
f2fs_update_time(sbi, DISABLE_TIME);
+ gc_mode = sbi->gc_mode;
+ sbi->gc_mode = GC_URGENT_HIGH;
+
while (!f2fs_time_over(sbi, DISABLE_TIME)) {
- down_write(&sbi->gc_lock);
+ f2fs_down_write(&sbi->gc_lock);
err = f2fs_gc(sbi, true, false, false, NULL_SEGNO);
if (err == -ENODATA) {
err = 0;
@@ -2110,7 +2119,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
goto restore_flag;
}
- down_write(&sbi->gc_lock);
+ f2fs_down_write(&sbi->gc_lock);
cpc.reason = CP_PAUSE;
set_sbi_flag(sbi, SBI_CP_DISABLED);
err = f2fs_write_checkpoint(sbi, &cpc);
@@ -2122,8 +2131,9 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
spin_unlock(&sbi->stat_lock);
out_unlock:
- up_write(&sbi->gc_lock);
+ f2fs_up_write(&sbi->gc_lock);
restore_flag:
+ sbi->gc_mode = gc_mode;
sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
return err;
}
@@ -2142,12 +2152,12 @@ static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
if (unlikely(retry < 0))
f2fs_warn(sbi, "checkpoint=enable has some unwritten data.");
- down_write(&sbi->gc_lock);
+ f2fs_down_write(&sbi->gc_lock);
f2fs_dirty_to_prefree(sbi);
clear_sbi_flag(sbi, SBI_CP_DISABLED);
set_sbi_flag(sbi, SBI_IS_DIRTY);
- up_write(&sbi->gc_lock);
+ f2fs_up_write(&sbi->gc_lock);
f2fs_sync_fs(sbi->sb, 1);
}
@@ -2688,7 +2698,7 @@ int f2fs_quota_sync(struct super_block *sb, int type)
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct quota_info *dqopt = sb_dqopt(sb);
int cnt;
- int ret;
+ int ret = 0;
/*
* Now when everything is written we can discard the pagecache so
@@ -2699,26 +2709,26 @@ int f2fs_quota_sync(struct super_block *sb, int type)
if (type != -1 && cnt != type)
continue;
- if (!sb_has_quota_active(sb, type))
- return 0;
+ if (!sb_has_quota_active(sb, cnt))
+ continue;
inode_lock(dqopt->files[cnt]);
/*
* do_quotactl
* f2fs_quota_sync
- * down_read(quota_sem)
+ * f2fs_down_read(quota_sem)
* dquot_writeback_dquots()
* f2fs_dquot_commit
* block_operation
- * down_read(quota_sem)
+ * f2fs_down_read(quota_sem)
*/
f2fs_lock_op(sbi);
- down_read(&sbi->quota_sem);
+ f2fs_down_read(&sbi->quota_sem);
ret = f2fs_quota_sync_file(sbi, cnt);
- up_read(&sbi->quota_sem);
+ f2fs_up_read(&sbi->quota_sem);
f2fs_unlock_op(sbi);
inode_unlock(dqopt->files[cnt]);
@@ -2843,11 +2853,11 @@ static int f2fs_dquot_commit(struct dquot *dquot)
struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
int ret;
- down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING);
+ f2fs_down_read_nested(&sbi->quota_sem, SINGLE_DEPTH_NESTING);
ret = dquot_commit(dquot);
if (ret < 0)
set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
- up_read(&sbi->quota_sem);
+ f2fs_up_read(&sbi->quota_sem);
return ret;
}
@@ -2856,11 +2866,11 @@ static int f2fs_dquot_acquire(struct dquot *dquot)
struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
int ret;
- down_read(&sbi->quota_sem);
+ f2fs_down_read(&sbi->quota_sem);
ret = dquot_acquire(dquot);
if (ret < 0)
set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
- up_read(&sbi->quota_sem);
+ f2fs_up_read(&sbi->quota_sem);
return ret;
}
@@ -3574,6 +3584,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
sbi->cur_victim_sec = NULL_SECNO;
+ sbi->gc_mode = GC_NORMAL;
sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
@@ -3601,14 +3612,14 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
INIT_LIST_HEAD(&sbi->s_list);
mutex_init(&sbi->umount_mutex);
- init_rwsem(&sbi->io_order_lock);
+ init_f2fs_rwsem(&sbi->io_order_lock);
spin_lock_init(&sbi->cp_lock);
sbi->dirty_device = 0;
spin_lock_init(&sbi->dev_lock);
- init_rwsem(&sbi->sb_lock);
- init_rwsem(&sbi->pin_sem);
+ init_f2fs_rwsem(&sbi->sb_lock);
+ init_f2fs_rwsem(&sbi->pin_sem);
}
static int init_percpu_info(struct f2fs_sb_info *sbi)
@@ -3619,11 +3630,20 @@ static int init_percpu_info(struct f2fs_sb_info *sbi)
if (err)
return err;
+ err = percpu_counter_init(&sbi->rf_node_block_count, 0, GFP_KERNEL);
+ if (err)
+ goto err_valid_block;
+
err = percpu_counter_init(&sbi->total_valid_inode_count, 0,
GFP_KERNEL);
if (err)
- percpu_counter_destroy(&sbi->alloc_valid_block_count);
+ goto err_node_block;
+ return 0;
+err_node_block:
+ percpu_counter_destroy(&sbi->rf_node_block_count);
+err_valid_block:
+ percpu_counter_destroy(&sbi->alloc_valid_block_count);
return err;
}
@@ -3957,7 +3977,8 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi)
F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;
if (f2fs_block_unit_discard(sbi))
sm_i->dcc_info->discard_granularity = 1;
- sm_i->ipu_policy = 1 << F2FS_IPU_FORCE;
+ sm_i->ipu_policy = 1 << F2FS_IPU_FORCE |
+ 1 << F2FS_IPU_HONOR_OPU_WRITE;
}
sbi->readdir_ra = 1;
@@ -4067,11 +4088,11 @@ try_onemore:
/* init f2fs-specific super block info */
sbi->valid_super_block = valid_super_block;
- init_rwsem(&sbi->gc_lock);
+ init_f2fs_rwsem(&sbi->gc_lock);
mutex_init(&sbi->writepages);
- init_rwsem(&sbi->cp_global_sem);
- init_rwsem(&sbi->node_write);
- init_rwsem(&sbi->node_change);
+ init_f2fs_rwsem(&sbi->cp_global_sem);
+ init_f2fs_rwsem(&sbi->node_write);
+ init_f2fs_rwsem(&sbi->node_change);
/* disallow all the data/node/meta page writes */
set_sbi_flag(sbi, SBI_POR_DOING);
@@ -4092,18 +4113,18 @@ try_onemore:
}
for (j = HOT; j < n; j++) {
- init_rwsem(&sbi->write_io[i][j].io_rwsem);
+ init_f2fs_rwsem(&sbi->write_io[i][j].io_rwsem);
sbi->write_io[i][j].sbi = sbi;
sbi->write_io[i][j].bio = NULL;
spin_lock_init(&sbi->write_io[i][j].io_lock);
INIT_LIST_HEAD(&sbi->write_io[i][j].io_list);
INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list);
- init_rwsem(&sbi->write_io[i][j].bio_list_lock);
+ init_f2fs_rwsem(&sbi->write_io[i][j].bio_list_lock);
}
}
- init_rwsem(&sbi->cp_rwsem);
- init_rwsem(&sbi->quota_sem);
+ init_f2fs_rwsem(&sbi->cp_rwsem);
+ init_f2fs_rwsem(&sbi->quota_sem);
init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
@@ -4528,7 +4549,7 @@ static struct file_system_type f2fs_fs_type = {
.name = "f2fs",
.mount = f2fs_mount,
.kill_sb = kill_f2fs_super,
- .fs_flags = FS_REQUIRES_DEV,
+ .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP,
};
MODULE_ALIAS_FS("f2fs");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.