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-rw-r--r--fs/f2fs/acl.c12
-rw-r--r--fs/f2fs/checkpoint.c2
-rw-r--r--fs/f2fs/data.c2
-rw-r--r--fs/f2fs/dir.c2
-rw-r--r--fs/f2fs/f2fs.h74
-rw-r--r--fs/f2fs/gc.c2
-rw-r--r--fs/f2fs/inline.c4
-rw-r--r--fs/f2fs/inode.c2
-rw-r--r--fs/f2fs/node.c2
-rw-r--r--fs/f2fs/super.c57
10 files changed, 65 insertions, 94 deletions
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 4dcc9e28dc5c..1e29630f49c1 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -109,14 +109,16 @@ fail:
return ERR_PTR(-EINVAL);
}
-static void *f2fs_acl_to_disk(const struct posix_acl *acl, size_t *size)
+static void *f2fs_acl_to_disk(struct f2fs_sb_info *sbi,
+ const struct posix_acl *acl, size_t *size)
{
struct f2fs_acl_header *f2fs_acl;
struct f2fs_acl_entry *entry;
int i;
- f2fs_acl = f2fs_kmalloc(sizeof(struct f2fs_acl_header) + acl->a_count *
- sizeof(struct f2fs_acl_entry), GFP_NOFS);
+ f2fs_acl = f2fs_kmalloc(sbi, sizeof(struct f2fs_acl_header) +
+ acl->a_count * sizeof(struct f2fs_acl_entry),
+ GFP_NOFS);
if (!f2fs_acl)
return ERR_PTR(-ENOMEM);
@@ -175,7 +177,7 @@ static struct posix_acl *__f2fs_get_acl(struct inode *inode, int type,
retval = f2fs_getxattr(inode, name_index, "", NULL, 0, dpage);
if (retval > 0) {
- value = f2fs_kmalloc(retval, GFP_F2FS_ZERO);
+ value = f2fs_kmalloc(F2FS_I_SB(inode), retval, GFP_F2FS_ZERO);
if (!value)
return ERR_PTR(-ENOMEM);
retval = f2fs_getxattr(inode, name_index, "", value,
@@ -230,7 +232,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
}
if (acl) {
- value = f2fs_acl_to_disk(acl, &size);
+ value = f2fs_acl_to_disk(F2FS_I_SB(inode), acl, &size);
if (IS_ERR(value)) {
clear_inode_flag(inode, FI_ACL_MODE);
return (int)PTR_ERR(value);
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 15c0006b12f1..5891093200cf 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -494,7 +494,7 @@ int acquire_orphan_inode(struct f2fs_sb_info *sbi)
spin_lock(&im->ino_lock);
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_ORPHAN)) {
+ if (time_to_inject(sbi, FAULT_ORPHAN)) {
spin_unlock(&im->ino_lock);
return -ENOSPC;
}
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ed834cd02502..8b9a1dc151b2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -35,7 +35,7 @@ static void f2fs_read_end_io(struct bio *bio)
int i;
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_IO))
+ if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO))
bio->bi_error = -EIO;
#endif
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 39a850b76bfe..cbf85f65ba63 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -545,7 +545,7 @@ int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
start:
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_DIR_DEPTH))
+ if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH))
return -ENOSPC;
#endif
if (unlikely(current_depth == MAX_DIR_HASH_DEPTH))
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 090319114961..896ad9f88357 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -56,42 +56,8 @@ struct f2fs_fault_info {
unsigned int inject_type;
};
-extern struct f2fs_fault_info f2fs_fault;
extern char *fault_name[FAULT_MAX];
-#define IS_FAULT_SET(type) (f2fs_fault.inject_type & (1 << (type)))
-
-static inline bool time_to_inject(int type)
-{
- if (!f2fs_fault.inject_rate)
- return false;
- if (type == FAULT_KMALLOC && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_PAGE_ALLOC && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_ALLOC_NID && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_ORPHAN && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_BLOCK && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_DIR_DEPTH && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_EVICT_INODE && !IS_FAULT_SET(type))
- return false;
- else if (type == FAULT_IO && !IS_FAULT_SET(type))
- return false;
-
- atomic_inc(&f2fs_fault.inject_ops);
- if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) {
- atomic_set(&f2fs_fault.inject_ops, 0);
- printk("%sF2FS-fs : inject %s in %pF\n",
- KERN_INFO,
- fault_name[type],
- __builtin_return_address(0));
- return true;
- }
- return false;
-}
+#define IS_FAULT_SET(fi, type) (fi->inject_type & (1 << (type)))
#endif
/*
@@ -905,8 +871,37 @@ struct f2fs_sb_info {
/* Reference to checksum algorithm driver via cryptoapi */
struct crypto_shash *s_chksum_driver;
+
+ /* For fault injection */
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+ struct f2fs_fault_info fault_info;
+#endif
};
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
+{
+ struct f2fs_fault_info *ffi = &sbi->fault_info;
+
+ if (!ffi->inject_rate)
+ return false;
+
+ if (!IS_FAULT_SET(ffi, type))
+ return false;
+
+ atomic_inc(&ffi->inject_ops);
+ if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
+ atomic_set(&ffi->inject_ops, 0);
+ printk("%sF2FS-fs : inject %s in %pF\n",
+ KERN_INFO,
+ fault_name[type],
+ __builtin_return_address(0));
+ return true;
+ }
+ return false;
+}
+#endif
+
/* For write statistics. Suppose sector size is 512 bytes,
* and the return value is in kbytes. s is of struct f2fs_sb_info.
*/
@@ -1195,7 +1190,7 @@ static inline bool inc_valid_block_count(struct f2fs_sb_info *sbi,
blkcnt_t diff;
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_BLOCK))
+ if (time_to_inject(sbi, FAULT_BLOCK))
return false;
#endif
/*
@@ -1429,7 +1424,7 @@ static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
if (page)
return page;
- if (time_to_inject(FAULT_PAGE_ALLOC))
+ if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC))
return NULL;
#endif
if (!for_write)
@@ -1880,10 +1875,11 @@ static inline bool f2fs_may_extent_tree(struct inode *inode)
return S_ISREG(inode->i_mode);
}
-static inline void *f2fs_kmalloc(size_t size, gfp_t flags)
+static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
+ size_t size, gfp_t flags)
{
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_KMALLOC))
+ if (time_to_inject(sbi, FAULT_KMALLOC))
return NULL;
#endif
return kmalloc(size, flags);
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b9d6c4250efa..a5c4175376ab 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -96,7 +96,7 @@ int start_gc_thread(struct f2fs_sb_info *sbi)
dev_t dev = sbi->sb->s_bdev->bd_dev;
int err = 0;
- gc_th = f2fs_kmalloc(sizeof(struct f2fs_gc_kthread), GFP_KERNEL);
+ gc_th = f2fs_kmalloc(sbi, sizeof(struct f2fs_gc_kthread), GFP_KERNEL);
if (!gc_th) {
err = -ENOMEM;
goto out;
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 4d526f3d04b2..34234d84a38b 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -445,8 +445,8 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
struct f2fs_inline_dentry *backup_dentry;
int err;
- backup_dentry = f2fs_kmalloc(sizeof(struct f2fs_inline_dentry),
- GFP_F2FS_ZERO);
+ backup_dentry = f2fs_kmalloc(F2FS_I_SB(dir),
+ sizeof(struct f2fs_inline_dentry), GFP_F2FS_ZERO);
if (!backup_dentry) {
f2fs_put_page(ipage, 1);
return -ENOMEM;
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index ac4daa509275..d7369895a78a 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -369,7 +369,7 @@ void f2fs_evict_inode(struct inode *inode)
goto no_delete;
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_EVICT_INODE))
+ if (time_to_inject(sbi, FAULT_EVICT_INODE))
goto no_delete;
#endif
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 55c22a9c4f9e..9faddcd068d9 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1839,7 +1839,7 @@ bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
struct free_nid *i = NULL;
retry:
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(FAULT_ALLOC_NID))
+ if (time_to_inject(sbi, FAULT_ALLOC_NID))
return false;
#endif
if (unlikely(sbi->total_valid_node_count + 1 > nm_i->available_nids))
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index ebf41d5aa225..a06eee4a8fa1 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -40,7 +40,6 @@ static struct kmem_cache *f2fs_inode_cachep;
static struct kset *f2fs_kset;
#ifdef CONFIG_F2FS_FAULT_INJECTION
-struct f2fs_fault_info f2fs_fault;
char *fault_name[FAULT_MAX] = {
[FAULT_KMALLOC] = "kmalloc",
@@ -53,14 +52,17 @@ char *fault_name[FAULT_MAX] = {
[FAULT_IO] = "IO error",
};
-static void f2fs_build_fault_attr(unsigned int rate)
+static void f2fs_build_fault_attr(struct f2fs_sb_info *sbi,
+ unsigned int rate)
{
+ struct f2fs_fault_info *ffi = &sbi->fault_info;
+
if (rate) {
- atomic_set(&f2fs_fault.inject_ops, 0);
- f2fs_fault.inject_rate = rate;
- f2fs_fault.inject_type = (1 << FAULT_MAX) - 1;
+ atomic_set(&ffi->inject_ops, 0);
+ ffi->inject_rate = rate;
+ ffi->inject_type = (1 << FAULT_MAX) - 1;
} else {
- memset(&f2fs_fault, 0, sizeof(struct f2fs_fault_info));
+ memset(ffi, 0, sizeof(struct f2fs_fault_info));
}
}
#endif
@@ -170,7 +172,7 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
#ifdef CONFIG_F2FS_FAULT_INJECTION
else if (struct_type == FAULT_INFO_RATE ||
struct_type == FAULT_INFO_TYPE)
- return (unsigned char *)&f2fs_fault;
+ return (unsigned char *)&sbi->fault_info;
#endif
return NULL;
}
@@ -315,6 +317,10 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(dirty_nats_ratio),
ATTR_LIST(cp_interval),
ATTR_LIST(idle_interval),
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+ ATTR_LIST(inject_rate),
+ ATTR_LIST(inject_type),
+#endif
ATTR_LIST(lifetime_write_kbytes),
NULL,
};
@@ -330,22 +336,6 @@ static struct kobj_type f2fs_ktype = {
.release = f2fs_sb_release,
};
-#ifdef CONFIG_F2FS_FAULT_INJECTION
-/* sysfs for f2fs fault injection */
-static struct kobject f2fs_fault_inject;
-
-static struct attribute *f2fs_fault_attrs[] = {
- ATTR_LIST(inject_rate),
- ATTR_LIST(inject_type),
- NULL
-};
-
-static struct kobj_type f2fs_fault_ktype = {
- .default_attrs = f2fs_fault_attrs,
- .sysfs_ops = &f2fs_attr_ops,
-};
-#endif
-
void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)
{
struct va_format vaf;
@@ -374,7 +364,7 @@ static int parse_options(struct super_block *sb, char *options)
int arg = 0;
#ifdef CONFIG_F2FS_FAULT_INJECTION
- f2fs_build_fault_attr(0);
+ f2fs_build_fault_attr(sbi, 0);
#endif
if (!options)
@@ -539,7 +529,7 @@ static int parse_options(struct super_block *sb, char *options)
if (args->from && match_int(args, &arg))
return -EINVAL;
#ifdef CONFIG_F2FS_FAULT_INJECTION
- f2fs_build_fault_attr(arg);
+ f2fs_build_fault_attr(sbi, arg);
#else
f2fs_msg(sb, KERN_INFO,
"FAULT_INJECTION was not selected");
@@ -1993,16 +1983,6 @@ static int __init init_f2fs_fs(void)
err = -ENOMEM;
goto free_extent_cache;
}
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- f2fs_fault_inject.kset = f2fs_kset;
- f2fs_build_fault_attr(0);
- err = kobject_init_and_add(&f2fs_fault_inject, &f2fs_fault_ktype,
- NULL, "fault_injection");
- if (err) {
- f2fs_fault_inject.kset = NULL;
- goto free_kset;
- }
-#endif
err = register_shrinker(&f2fs_shrinker_info);
if (err)
goto free_kset;
@@ -2021,10 +2001,6 @@ free_filesystem:
free_shrinker:
unregister_shrinker(&f2fs_shrinker_info);
free_kset:
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (f2fs_fault_inject.kset)
- kobject_put(&f2fs_fault_inject);
-#endif
kset_unregister(f2fs_kset);
free_extent_cache:
destroy_extent_cache();
@@ -2046,9 +2022,6 @@ static void __exit exit_f2fs_fs(void)
f2fs_destroy_root_stats();
unregister_filesystem(&f2fs_fs_type);
unregister_shrinker(&f2fs_shrinker_info);
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- kobject_put(&f2fs_fault_inject);
-#endif
kset_unregister(f2fs_kset);
destroy_extent_cache();
destroy_checkpoint_caches();
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.