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fs: move wait_on_inode() from writeback.h to fs.h

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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@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Mateusz Guzik 2025-10-09 09:59:15 +02:00 committed by Christian Brauner
parent 31e332b911
commit af6023e2ce
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2 changed files with 10 additions and 11 deletions
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10
include/linux/fs.h
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@ -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:
*

11
include/linux/writeback.h
View File

@ -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>