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Message-ID: <20251009075929.1203950-2-mjguzik@gmail.com>
Date: Thu, 9 Oct 2025 09:59:15 +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 01/14] fs: move wait_on_inode() from writeback.h to fs.h
The only consumer outside of fs/inode.c is gfs2 and it already includes
fs.h in the relevant file.
Signed-off-by: Mateusz Guzik <mjguzik@...il.com>
---
include/linux/fs.h | 10 ++++++++++
include/linux/writeback.h | 11 -----------
2 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index ac62b9d10b00..b35014ba681b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -949,6 +949,16 @@ static inline void inode_fake_hash(struct inode *inode)
hlist_add_fake(&inode->i_hash);
}
+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));
+ /*
+ * Pairs with routines clearing I_NEW.
+ */
+ smp_rmb();
+}
+
/*
* inode->i_rwsem nesting subclasses for the lock validator:
*
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index e1e1231a6830..06195c2a535b 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -189,17 +189,6 @@ void wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,
void inode_wait_for_writeback(struct inode *inode);
void inode_io_list_del(struct inode *inode);
-/* writeback.h requires fs.h; it, too, is not included from here. */
-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));
- /*
- * Pairs with routines clearing I_NEW.
- */
- smp_rmb();
-}
-
#ifdef CONFIG_CGROUP_WRITEBACK
#include <linux/cgroup.h>
--
2.34.1
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