diff options
| author | Jan Kara <jack@suse.cz> | 2026-03-26 12:54:27 +0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-03-26 17:03:31 +0300 |
| commit | a8c8122a3dac55d25a1912b8fec9b8cd7366c37a (patch) | |
| tree | 90a7a84cec2addfb89c3ed1e7eae075e08dd09a8 /include | |
| parent | 025c9af1a20c8353f586c9bfd30705dfe4a277de (diff) | |
| download | linux-a8c8122a3dac55d25a1912b8fec9b8cd7366c37a.tar.xz | |
fs: Provide functions for handling mapping_metadata_bhs directly
As part of transition toward moving mapping_metadata_bhs to fs-private
part of the inode, provide functions for operations on this list
directly instead of going through the inode / mapping.
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260326095354.16340-75-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/buffer_head.h | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 44094fd476f5..e207dcca7a25 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -205,12 +205,30 @@ struct buffer_head *create_empty_buffers(struct folio *folio, void end_buffer_read_sync(struct buffer_head *bh, int uptodate); void end_buffer_write_sync(struct buffer_head *bh, int uptodate); -/* Things to do with buffers at mapping->private_list */ -void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode); -int generic_buffers_fsync_noflush(struct file *file, loff_t start, loff_t end, - bool datasync); -int generic_buffers_fsync(struct file *file, loff_t start, loff_t end, - bool datasync); +/* Things to do with metadata buffers list */ +void mmb_mark_buffer_dirty(struct buffer_head *bh, struct mapping_metadata_bhs *mmb); +static inline void mark_buffer_dirty_inode(struct buffer_head *bh, + struct inode *inode) +{ + mmb_mark_buffer_dirty(bh, &inode->i_data.i_metadata_bhs); +} +int mmb_fsync_noflush(struct file *file, struct mapping_metadata_bhs *mmb, + loff_t start, loff_t end, bool datasync); +static inline int generic_buffers_fsync_noflush(struct file *file, + loff_t start, loff_t end, + bool datasync) +{ + return mmb_fsync_noflush(file, &file->f_mapping->i_metadata_bhs, + start, end, datasync); +} +int mmb_fsync(struct file *file, struct mapping_metadata_bhs *mmb, + loff_t start, loff_t end, bool datasync); +static inline int generic_buffers_fsync(struct file *file, + loff_t start, loff_t end, bool datasync) +{ + return mmb_fsync(file, &file->f_mapping->i_metadata_bhs, + start, end, datasync); +} void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len); static inline void clean_bdev_bh_alias(struct buffer_head *bh) @@ -515,9 +533,18 @@ bool block_dirty_folio(struct address_space *mapping, struct folio *folio); void buffer_init(void); bool try_to_free_buffers(struct folio *folio); +void mmb_init(struct mapping_metadata_bhs *mmb, struct address_space *mapping); bool mmb_has_buffers(struct mapping_metadata_bhs *mmb); -void invalidate_inode_buffers(struct inode *inode); -int sync_mapping_buffers(struct address_space *mapping); +void mmb_invalidate(struct mapping_metadata_bhs *mmb); +int mmb_sync(struct mapping_metadata_bhs *mmb); +static inline void invalidate_inode_buffers(struct inode *inode) +{ + mmb_invalidate(&inode->i_data.i_metadata_bhs); +} +static inline int sync_mapping_buffers(struct address_space *mapping) +{ + return mmb_sync(&mapping->i_metadata_bhs); +} void invalidate_bh_lrus(void); void invalidate_bh_lrus_cpu(void); bool has_bh_in_lru(int cpu, void *dummy); @@ -527,6 +554,7 @@ extern int buffer_heads_over_limit; static inline void buffer_init(void) {} static inline bool try_to_free_buffers(struct folio *folio) { return true; } +static inline int mmb_sync(struct mapping_metadata_bhs *mmb) { return 0; } static inline void invalidate_inode_buffers(struct inode *inode) {} static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; } static inline void invalidate_bh_lrus(void) {} |