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Message-ID: <20251009075929.1203950-6-mjguzik@gmail.com>
Date: Thu, 9 Oct 2025 09:59:19 +0200
From: Mateusz Guzik <mjguzik@...il.com>
To: brauner@...nel.org
Cc: viro@...iv.linux.org.uk,
jack@...e.cz,
linux-kernel@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
josef@...icpanda.com,
kernel-team@...com,
amir73il@...il.com,
linux-btrfs@...r.kernel.org,
linux-ext4@...r.kernel.org,
linux-xfs@...r.kernel.org,
ceph-devel@...r.kernel.org,
linux-unionfs@...r.kernel.org,
Mateusz Guzik <mjguzik@...il.com>
Subject: [PATCH v7 05/14] Manual conversion to use ->i_state accessors of all places not covered by coccinelle
Nothing to look at apart from iput_final().
Signed-off-by: Mateusz Guzik <mjguzik@...il.com>
---
Documentation/filesystems/porting.rst | 2 +-
fs/afs/inode.c | 2 +-
fs/ext4/inode.c | 10 +++++-----
fs/ext4/orphan.c | 4 ++--
fs/inode.c | 18 ++++++++----------
include/linux/backing-dev.h | 2 +-
include/linux/fs.h | 6 +++---
include/linux/writeback.h | 2 +-
include/trace/events/writeback.h | 8 ++++----
9 files changed, 26 insertions(+), 28 deletions(-)
diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst
index 7233b04668fc..35f027981b21 100644
--- a/Documentation/filesystems/porting.rst
+++ b/Documentation/filesystems/porting.rst
@@ -211,7 +211,7 @@ test and set for you.
e.g.::
inode = iget_locked(sb, ino);
- if (inode->i_state & I_NEW) {
+ if (inode_state_read_once(inode) & I_NEW) {
err = read_inode_from_disk(inode);
if (err < 0) {
iget_failed(inode);
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 2fe2ccf59c7a..dde1857fcabb 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -427,7 +427,7 @@ static void afs_fetch_status_success(struct afs_operation *op)
struct afs_vnode *vnode = vp->vnode;
int ret;
- if (vnode->netfs.inode.i_state & I_NEW) {
+ if (inode_state_read_once(&vnode->netfs.inode) & I_NEW) {
ret = afs_inode_init_from_status(op, vp, vnode);
afs_op_set_error(op, ret);
if (ret == 0)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f9e4ac87211e..b864e9645f85 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -425,7 +425,7 @@ void ext4_check_map_extents_env(struct inode *inode)
if (!S_ISREG(inode->i_mode) ||
IS_NOQUOTA(inode) || IS_VERITY(inode) ||
is_special_ino(inode->i_sb, inode->i_ino) ||
- (inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW)) ||
+ (inode_state_read_once(inode) & (I_FREEING | I_WILL_FREE | I_NEW)) ||
ext4_test_inode_flag(inode, EXT4_INODE_EA_INODE) ||
ext4_verity_in_progress(inode))
return;
@@ -3473,7 +3473,7 @@ static bool ext4_inode_datasync_dirty(struct inode *inode)
/* Any metadata buffers to write? */
if (!list_empty(&inode->i_mapping->i_private_list))
return true;
- return inode->i_state & I_DIRTY_DATASYNC;
+ return inode_state_read_once(inode) & I_DIRTY_DATASYNC;
}
static void ext4_set_iomap(struct inode *inode, struct iomap *iomap,
@@ -4552,7 +4552,7 @@ int ext4_truncate(struct inode *inode)
* or it's a completely new inode. In those cases we might not
* have i_rwsem locked because it's not necessary.
*/
- if (!(inode->i_state & (I_NEW|I_FREEING)))
+ if (!(inode_state_read_once(inode) & (I_NEW | I_FREEING)))
WARN_ON(!inode_is_locked(inode));
trace_ext4_truncate_enter(inode);
@@ -5210,7 +5210,7 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
inode = iget_locked(sb, ino);
if (!inode)
return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW)) {
+ if (!(inode_state_read_once(inode) & I_NEW)) {
ret = check_igot_inode(inode, flags, function, line);
if (ret) {
iput(inode);
@@ -5541,7 +5541,7 @@ static void __ext4_update_other_inode_time(struct super_block *sb,
if (inode_is_dirtytime_only(inode)) {
struct ext4_inode_info *ei = EXT4_I(inode);
- inode->i_state &= ~I_DIRTY_TIME;
+ inode_state_clear(inode, I_DIRTY_TIME);
spin_unlock(&inode->i_lock);
spin_lock(&ei->i_raw_lock);
diff --git a/fs/ext4/orphan.c b/fs/ext4/orphan.c
index 33c3a89396b1..c4903d98ff81 100644
--- a/fs/ext4/orphan.c
+++ b/fs/ext4/orphan.c
@@ -107,7 +107,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
if (!sbi->s_journal || is_bad_inode(inode))
return 0;
- WARN_ON_ONCE(!(inode->i_state & (I_NEW | I_FREEING)) &&
+ WARN_ON_ONCE(!(inode_state_read_once(inode) & (I_NEW | I_FREEING)) &&
!inode_is_locked(inode));
if (ext4_inode_orphan_tracked(inode))
return 0;
@@ -232,7 +232,7 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
if (!sbi->s_journal && !(sbi->s_mount_state & EXT4_ORPHAN_FS))
return 0;
- WARN_ON_ONCE(!(inode->i_state & (I_NEW | I_FREEING)) &&
+ WARN_ON_ONCE(!(inode_state_read_once(inode) & (I_NEW | I_FREEING)) &&
!inode_is_locked(inode));
if (ext4_test_inode_state(inode, EXT4_STATE_ORPHAN_FILE))
return ext4_orphan_file_del(handle, inode);
diff --git a/fs/inode.c b/fs/inode.c
index f094ed3e6f30..3153d725859c 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -829,7 +829,7 @@ static void evict(struct inode *inode)
* This also means we don't need any fences for the call below.
*/
inode_wake_up_bit(inode, __I_NEW);
- BUG_ON(inode->i_state != (I_FREEING | I_CLEAR));
+ BUG_ON(inode_state_read_once(inode) != (I_FREEING | I_CLEAR));
destroy_inode(inode);
}
@@ -1883,7 +1883,6 @@ static void iput_final(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
const struct super_operations *op = inode->i_sb->s_op;
- unsigned long state;
int drop;
WARN_ON(inode_state_read(inode) & I_NEW);
@@ -1908,20 +1907,19 @@ static void iput_final(struct inode *inode)
*/
VFS_BUG_ON_INODE(atomic_read(&inode->i_count) != 0, inode);
- state = inode_state_read(inode);
- if (!drop) {
- WRITE_ONCE(inode->i_state, state | I_WILL_FREE);
+ if (drop) {
+ inode_state_set(inode, I_FREEING);
+ } else {
+ inode_state_set(inode, I_WILL_FREE);
spin_unlock(&inode->i_lock);
write_inode_now(inode, 1);
spin_lock(&inode->i_lock);
- state = inode_state_read(inode);
- WARN_ON(state & I_NEW);
- state &= ~I_WILL_FREE;
+ WARN_ON(inode_state_read(inode) & I_NEW);
+ inode_state_replace(inode, I_WILL_FREE, I_FREEING);
}
- WRITE_ONCE(inode->i_state, state | I_FREEING);
if (!list_empty(&inode->i_lru))
inode_lru_list_del(inode);
spin_unlock(&inode->i_lock);
@@ -2985,7 +2983,7 @@ void dump_inode(struct inode *inode, const char *reason)
pr_warn("%s encountered for inode %px\n"
"fs %s mode %ho opflags 0x%hx flags 0x%x state 0x%x count %d\n",
reason, inode, sb->s_type->name, inode->i_mode, inode->i_opflags,
- inode->i_flags, inode->i_state, atomic_read(&inode->i_count));
+ inode->i_flags, inode_state_read_once(inode), atomic_read(&inode->i_count));
}
EXPORT_SYMBOL(dump_inode);
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 065cba5dc111..0c8342747cab 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -280,7 +280,7 @@ unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie)
* Paired with a release fence in inode_do_switch_wbs() and
* ensures that we see the new wb if we see cleared I_WB_SWITCH.
*/
- cookie->locked = inode->i_state & I_WB_SWITCH;
+ cookie->locked = inode_state_read_once(inode) & I_WB_SWITCH;
smp_rmb();
if (unlikely(cookie->locked))
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 909eb1e68637..77b6486dcae7 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1026,7 +1026,7 @@ static inline void inode_fake_hash(struct inode *inode)
static inline void wait_on_inode(struct inode *inode)
{
wait_var_event(inode_state_wait_address(inode, __I_NEW),
- !(READ_ONCE(inode->i_state) & I_NEW));
+ !(inode_state_read_once(inode) & I_NEW));
/*
* Pairs with routines clearing I_NEW.
*/
@@ -2719,8 +2719,8 @@ static inline int icount_read(const struct inode *inode)
*/
static inline bool inode_is_dirtytime_only(struct inode *inode)
{
- return (inode->i_state & (I_DIRTY_TIME | I_NEW |
- I_FREEING | I_WILL_FREE)) == I_DIRTY_TIME;
+ return (inode_state_read_once(inode) &
+ (I_DIRTY_TIME | I_NEW | I_FREEING | I_WILL_FREE)) == I_DIRTY_TIME;
}
extern void inc_nlink(struct inode *inode);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 06195c2a535b..102071ffedcb 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -227,7 +227,7 @@ static inline void inode_attach_wb(struct inode *inode, struct folio *folio)
static inline void inode_detach_wb(struct inode *inode)
{
if (inode->i_wb) {
- WARN_ON_ONCE(!(inode->i_state & I_CLEAR));
+ WARN_ON_ONCE(!(inode_state_read_once(inode) & I_CLEAR));
wb_put(inode->i_wb);
inode->i_wb = NULL;
}
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index c08aff044e80..311a341e6fe4 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -120,7 +120,7 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
/* may be called for files on pseudo FSes w/ unregistered bdi */
strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
__entry->ino = inode->i_ino;
- __entry->state = inode->i_state;
+ __entry->state = inode_state_read_once(inode);
__entry->flags = flags;
),
@@ -748,7 +748,7 @@ TRACE_EVENT(writeback_sb_inodes_requeue,
strscpy_pad(__entry->name,
bdi_dev_name(inode_to_bdi(inode)), 32);
__entry->ino = inode->i_ino;
- __entry->state = inode->i_state;
+ __entry->state = inode_state_read_once(inode);
__entry->dirtied_when = inode->dirtied_when;
__entry->cgroup_ino = __trace_wb_assign_cgroup(inode_to_wb(inode));
),
@@ -787,7 +787,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
strscpy_pad(__entry->name,
bdi_dev_name(inode_to_bdi(inode)), 32);
__entry->ino = inode->i_ino;
- __entry->state = inode->i_state;
+ __entry->state = inode_state_read_once(inode);
__entry->dirtied_when = inode->dirtied_when;
__entry->writeback_index = inode->i_mapping->writeback_index;
__entry->nr_to_write = nr_to_write;
@@ -839,7 +839,7 @@ DECLARE_EVENT_CLASS(writeback_inode_template,
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
- __entry->state = inode->i_state;
+ __entry->state = inode_state_read_once(inode);
__entry->mode = inode->i_mode;
__entry->dirtied_when = inode->dirtied_when;
),
--
2.34.1
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