diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index d488459396f4..76360b0040e0 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -445,6 +445,12 @@ struct address_space_operations { extern const struct address_space_operations empty_aops; +/* Structure for tracking metadata buffer heads associated with the mapping */ +struct mapping_metadata_bhs { + spinlock_t lock; /* Lock protecting bh list */ + struct list_head list; /* The list of bhs (b_assoc_buffers) */ +}; + /** * struct address_space - Contents of a cacheable, mappable object. * @host: Owner, either the inode or the block_device. @@ -484,6 +490,7 @@ struct address_space { errseq_t wb_err; spinlock_t i_private_lock; struct list_head i_private_list; + struct mapping_metadata_bhs i_metadata_bhs; struct rw_semaphore i_mmap_rwsem; } __attribute__((aligned(sizeof(long)))) __randomize_layout; /* |