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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c75
1 files changed, 58 insertions, 17 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f71421d70475..f2fe666a6ea9 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -30,6 +30,7 @@
#include "segment.h"
#include "xattr.h"
#include "gc.h"
+#include "trace.h"
#define CREATE_TRACE_POINTS
#include <trace/events/f2fs.h>
@@ -41,6 +42,7 @@ static struct kset *f2fs_kset;
enum {
Opt_gc_background,
Opt_disable_roll_forward,
+ Opt_norecovery,
Opt_discard,
Opt_noheap,
Opt_user_xattr,
@@ -61,6 +63,7 @@ enum {
static match_table_t f2fs_tokens = {
{Opt_gc_background, "background_gc=%s"},
{Opt_disable_roll_forward, "disable_roll_forward"},
+ {Opt_norecovery, "norecovery"},
{Opt_discard, "discard"},
{Opt_noheap, "no_heap"},
{Opt_user_xattr, "user_xattr"},
@@ -192,6 +195,7 @@ 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, batched_trim_sections, trim_sections);
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(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
@@ -207,6 +211,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(gc_idle),
ATTR_LIST(reclaim_segments),
ATTR_LIST(max_small_discards),
+ ATTR_LIST(batched_trim_sections),
ATTR_LIST(ipu_policy),
ATTR_LIST(min_ipu_util),
ATTR_LIST(min_fsync_blocks),
@@ -286,6 +291,12 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_disable_roll_forward:
set_opt(sbi, DISABLE_ROLL_FORWARD);
break;
+ case Opt_norecovery:
+ /* this option mounts f2fs with ro */
+ set_opt(sbi, DISABLE_ROLL_FORWARD);
+ if (!f2fs_readonly(sb))
+ return -EINVAL;
+ break;
case Opt_discard:
set_opt(sbi, DISCARD);
break;
@@ -446,8 +457,13 @@ static void f2fs_put_super(struct super_block *sb)
f2fs_destroy_stats(sbi);
stop_gc_thread(sbi);
- /* We don't need to do checkpoint when it's clean */
- if (sbi->s_dirty) {
+ /*
+ * We don't need to do checkpoint when superblock is clean.
+ * But, the previous checkpoint was not done by umount, it needs to do
+ * clean checkpoint again.
+ */
+ if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
+ !is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) {
struct cp_control cpc = {
.reason = CP_UMOUNT,
};
@@ -486,13 +502,15 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
if (sync) {
struct cp_control cpc;
- cpc.reason = test_opt(sbi, FASTBOOT) ? CP_UMOUNT : CP_SYNC;
+ cpc.reason = __get_cp_reason(sbi);
+
mutex_lock(&sbi->gc_mutex);
write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
} else {
f2fs_balance_fs(sbi);
}
+ f2fs_trace_ios(NULL, NULL, 1);
return 0;
}
@@ -887,7 +905,7 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
atomic_set(&sbi->nr_pages[i], 0);
sbi->dir_level = DEF_DIR_LEVEL;
- sbi->need_fsck = false;
+ clear_sbi_flag(sbi, SBI_NEED_FSCK);
}
/*
@@ -942,6 +960,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
struct inode *root;
long err = -EINVAL;
bool retry = true;
+ char *options = NULL;
int i;
try_onemore:
@@ -973,9 +992,15 @@ try_onemore:
set_opt(sbi, POSIX_ACL);
#endif
/* parse mount options */
- err = parse_options(sb, (char *)data);
- if (err)
+ options = kstrdup((const char *)data, GFP_KERNEL);
+ if (data && !options) {
+ err = -ENOMEM;
goto free_sb_buf;
+ }
+
+ err = parse_options(sb, options);
+ if (err)
+ goto free_options;
sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize));
sb->s_max_links = F2FS_LINK_MAX;
@@ -998,7 +1023,7 @@ try_onemore:
mutex_init(&sbi->writepages);
mutex_init(&sbi->cp_mutex);
init_rwsem(&sbi->node_write);
- sbi->por_doing = false;
+ clear_sbi_flag(sbi, SBI_POR_DOING);
spin_lock_init(&sbi->stat_lock);
init_rwsem(&sbi->read_io.io_rwsem);
@@ -1019,7 +1044,7 @@ try_onemore:
if (IS_ERR(sbi->meta_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
err = PTR_ERR(sbi->meta_inode);
- goto free_sb_buf;
+ goto free_options;
}
err = get_valid_checkpoint(sbi);
@@ -1122,10 +1147,19 @@ try_onemore:
goto free_proc;
if (!retry)
- sbi->need_fsck = true;
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
/* recover fsynced data */
if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
+ /*
+ * mount should be failed, when device has readonly mode, and
+ * previous checkpoint was not done by clean system shutdown.
+ */
+ if (bdev_read_only(sb->s_bdev) &&
+ !is_set_ckpt_flags(sbi->ckpt, CP_UMOUNT_FLAG)) {
+ err = -EROFS;
+ goto free_kobj;
+ }
err = recover_fsync_data(sbi);
if (err) {
f2fs_msg(sb, KERN_ERR,
@@ -1144,6 +1178,7 @@ try_onemore:
if (err)
goto free_kobj;
}
+ kfree(options);
return 0;
free_kobj:
@@ -1168,6 +1203,8 @@ free_cp:
free_meta_inode:
make_bad_inode(sbi->meta_inode);
iput(sbi->meta_inode);
+free_options:
+ kfree(options);
free_sb_buf:
brelse(raw_super_buf);
free_sbi:
@@ -1188,11 +1225,18 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags,
return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super);
}
+static void kill_f2fs_super(struct super_block *sb)
+{
+ if (sb->s_root)
+ set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE);
+ kill_block_super(sb);
+}
+
static struct file_system_type f2fs_fs_type = {
.owner = THIS_MODULE,
.name = "f2fs",
.mount = f2fs_mount,
- .kill_sb = kill_block_super,
+ .kill_sb = kill_f2fs_super,
.fs_flags = FS_REQUIRES_DEV,
};
MODULE_ALIAS_FS("f2fs");
@@ -1220,6 +1264,8 @@ static int __init init_f2fs_fs(void)
{
int err;
+ f2fs_build_trace_ios();
+
err = init_inodecache();
if (err)
goto fail;
@@ -1229,12 +1275,9 @@ 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;
@@ -1251,8 +1294,6 @@ 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:
@@ -1269,11 +1310,11 @@ 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();
kset_unregister(f2fs_kset);
+ f2fs_destroy_trace_ios();
}
module_init(init_f2fs_fs)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.