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writeback: Export inode_io_list_del()

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Ext4 needs to remove inode from writeback lists after it is out of
visibility of its journalling machinery (which can still dirty the
inode). Export inode_io_list_del() for it.

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20200421085445.5731-3-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara
2020-04-21 10:54:44 +02:00
committed by Theodore Ts'o
parent 3bbd0ef260
commit 4301efa4c7
3 changed files with 2 additions and 2 deletions
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1
fs/fs-writeback.c
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@@ -1126,6 +1126,7 @@ void inode_io_list_del(struct inode *inode)
inode_io_list_del_locked(inode, wb); inode_io_list_del_locked(inode, wb);
spin_unlock(&wb->list_lock); spin_unlock(&wb->list_lock);
} }
EXPORT_SYMBOL(inode_io_list_del);
/* /*
* mark an inode as under writeback on the sb * mark an inode as under writeback on the sb

2
fs/internal.h
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@@ -143,8 +143,6 @@ extern int dentry_needs_remove_privs(struct dentry *dentry);
/* /*
* fs-writeback.c * fs-writeback.c
*/ */
extern void inode_io_list_del(struct inode *inode);
extern long get_nr_dirty_inodes(void); extern long get_nr_dirty_inodes(void);
extern int invalidate_inodes(struct super_block *, bool); extern int invalidate_inodes(struct super_block *, bool);

1
include/linux/writeback.h
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@@ -197,6 +197,7 @@ void wakeup_flusher_threads(enum wb_reason reason);
void wakeup_flusher_threads_bdi(struct backing_dev_info *bdi, void wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,
enum wb_reason reason); enum wb_reason reason);
void inode_wait_for_writeback(struct inode *inode); 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. */ /* writeback.h requires fs.h; it, too, is not included from here. */
static inline void wait_on_inode(struct inode *inode) static inline void wait_on_inode(struct inode *inode)