Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
fs: Drop mapping_metadata_bhs from address space
Nobody uses mapping_metadata_bhs in struct address_space anymore. Just
remove it and with it all helper functions using it.
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260326095354.16340-83-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
authored by
Jan Kara
and committed by
Christian Brauner
cb6d109b
41189b49
-32
-3
fs/inode.c
-3
fs/inode.c
···
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mapping->a_ops = &empty_aops;
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mapping->host = inode;
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-
mapping->i_metadata_bhs.mapping = mapping;
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mapping->flags = 0;
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mapping->wb_err = 0;
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atomic_set(&mapping->i_mmap_writable, 0);
···
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init_rwsem(&mapping->i_mmap_rwsem);
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INIT_LIST_HEAD(&mapping->i_private_list);
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spin_lock_init(&mapping->i_private_lock);
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spin_lock_init(&mapping->i_metadata_bhs.lock);
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INIT_LIST_HEAD(&mapping->i_metadata_bhs.list);
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mapping->i_mmap = RB_ROOT_CACHED;
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}
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-28
include/linux/buffer_head.h
-28
include/linux/buffer_head.h
···
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/* Things to do with metadata buffers list */
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void mmb_mark_buffer_dirty(struct buffer_head *bh, struct mapping_metadata_bhs *mmb);
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static inline void mark_buffer_dirty_inode(struct buffer_head *bh,
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struct inode *inode)
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{
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mmb_mark_buffer_dirty(bh, &inode->i_data.i_metadata_bhs);
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}
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int mmb_fsync_noflush(struct file *file, struct mapping_metadata_bhs *mmb,
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loff_t start, loff_t end, bool datasync);
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static inline int generic_buffers_fsync_noflush(struct file *file,
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loff_t start, loff_t end,
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bool datasync)
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{
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return mmb_fsync_noflush(file, &file->f_mapping->i_metadata_bhs,
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start, end, datasync);
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}
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int mmb_fsync(struct file *file, struct mapping_metadata_bhs *mmb,
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loff_t start, loff_t end, bool datasync);
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static inline int generic_buffers_fsync(struct file *file,
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loff_t start, loff_t end, bool datasync)
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{
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return mmb_fsync(file, &file->f_mapping->i_metadata_bhs,
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start, end, datasync);
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}
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void clean_bdev_aliases(struct block_device *bdev, sector_t block,
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sector_t len);
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static inline void clean_bdev_bh_alias(struct buffer_head *bh)
···
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bool mmb_has_buffers(struct mapping_metadata_bhs *mmb);
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void mmb_invalidate(struct mapping_metadata_bhs *mmb);
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int mmb_sync(struct mapping_metadata_bhs *mmb);
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static inline void invalidate_inode_buffers(struct inode *inode)
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{
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mmb_invalidate(&inode->i_data.i_metadata_bhs);
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}
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static inline int sync_mapping_buffers(struct address_space *mapping)
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{
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return mmb_sync(&mapping->i_metadata_bhs);
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}
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void invalidate_bh_lrus(void);
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void invalidate_bh_lrus_cpu(void);
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bool has_bh_in_lru(int cpu, void *dummy);
···
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static inline void buffer_init(void) {}
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static inline bool try_to_free_buffers(struct folio *folio) { return true; }
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static inline int mmb_sync(struct mapping_metadata_bhs *mmb) { return 0; }
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static inline void invalidate_inode_buffers(struct inode *inode) {}
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static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; }
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static inline void invalidate_bh_lrus(void) {}
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static inline void invalidate_bh_lrus_cpu(void) {}
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static inline bool has_bh_in_lru(int cpu, void *dummy) { return false; }