diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/buffer_head.h | 4 | ||||
| -rw-r--r-- | include/linux/fs.h | 1 |
2 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 631bf971efc0..20636599d858 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -73,8 +73,8 @@ struct buffer_head { bh_end_io_t *b_end_io; /* I/O completion */ void *b_private; /* reserved for b_end_io */ struct list_head b_assoc_buffers; /* associated with another mapping */ - struct address_space *b_assoc_map; /* mapping this buffer is - associated with */ + struct mapping_metadata_bhs *b_mmb; /* head of the list of metadata bhs + * this buffer is associated with */ atomic_t b_count; /* users using this buffer_head */ spinlock_t b_uptodate_lock; /* Used by the first bh in a page, to * serialise IO completion of other diff --git a/include/linux/fs.h b/include/linux/fs.h index 76360b0040e0..fa2a812bd718 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -447,6 +447,7 @@ extern const struct address_space_operations empty_aops; /* Structure for tracking metadata buffer heads associated with the mapping */ struct mapping_metadata_bhs { + struct address_space *mapping; /* Mapping bhs are associated with */ spinlock_t lock; /* Lock protecting bh list */ struct list_head list; /* The list of bhs (b_assoc_buffers) */ }; |