diff options
Diffstat (limited to 'fs/jffs2')
| -rw-r--r-- | fs/jffs2/nodelist.h | 44 | ||||
| -rw-r--r-- | fs/jffs2/xattr.h | 14 |
2 files changed, 34 insertions, 24 deletions
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index ee5aedcffc1..1e1c39da6da 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h @@ -77,9 +77,9 @@ struct jffs2_raw_node_ref { struct jffs2_raw_node_ref *next_in_ino; /* Points to the next raw_node_ref - for this inode. If this is the last, it points to the inode_cache - for this inode instead. The inode_cache will have NULL in the first - word so you know when you've got there :) */ + for this object. If this _is_ the last, it points to the inode_cache, + xattr_ref or xattr_datum instead. The common part of those structures + has NULL in the first word. See jffs2_raw_ref_to_ic() below */ struct jffs2_raw_node_ref *next_phys; uint32_t flash_offset; #define TEST_TOTLEN @@ -88,6 +88,18 @@ struct jffs2_raw_node_ref #endif }; +static inline struct jffs2_inode_cache *jffs2_raw_ref_to_ic(struct jffs2_raw_node_ref *raw) +{ + while(raw->next_in_ino) { + raw = raw->next_in_ino; + } + + /* NB. This can be a jffs2_xattr_datum or jffs2_xattr_ref and + not actually a jffs2_inode_cache. Check ->class */ + return ((struct jffs2_inode_cache *)raw); +} + + /* flash_offset & 3 always has to be zero, because nodes are always aligned at 4 bytes. So we have a couple of extra bits to play with, which indicate the node's status; see below: */ @@ -113,20 +125,27 @@ struct jffs2_raw_node_ref a pointer to the first physical node which is part of this inode, too. */ struct jffs2_inode_cache { + /* First part of structure is shared with other objects which + can terminate the raw node refs' next_in_ino list -- which + currently struct jffs2_xattr_datum and struct jffs2_xattr_ref. */ + struct jffs2_full_dirent *scan_dents; /* Used during scan to hold temporary lists of dirents, and later must be set to NULL to mark the end of the raw_node_ref->next_in_ino chain. */ - u8 class; /* It's used for identification */ - u8 flags; - uint16_t state; - struct jffs2_inode_cache *next; struct jffs2_raw_node_ref *nodes; + uint8_t class; /* It's used for identification */ + + /* end of shared structure */ + + uint8_t flags; + uint16_t state; uint32_t ino; - int nlink; + struct jffs2_inode_cache *next; #ifdef CONFIG_JFFS2_FS_XATTR struct jffs2_xattr_ref *xref; #endif + int nlink; }; /* Inode states for 'state' above. We need the 'GC' state to prevent @@ -250,15 +269,6 @@ static inline int jffs2_encode_dev(union jffs2_device_node *jdev, dev_t rdev) } } -static inline struct jffs2_inode_cache *jffs2_raw_ref_to_ic(struct jffs2_raw_node_ref *raw) -{ - while(raw->next_in_ino) { - raw = raw->next_in_ino; - } - - return ((struct jffs2_inode_cache *)raw); -} - static inline struct jffs2_node_frag *frag_first(struct rb_root *root) { struct rb_node *node = root->rb_node; diff --git a/fs/jffs2/xattr.h b/fs/jffs2/xattr.h index e2aa2394ab6..2c199856c58 100644 --- a/fs/jffs2/xattr.h +++ b/fs/jffs2/xattr.h @@ -20,11 +20,11 @@ struct jffs2_xattr_datum { void *always_null; - u8 class; - u8 flags; - u16 xprefix; /* see JFFS2_XATTR_PREFIX_* */ - struct jffs2_raw_node_ref *node; + uint8_t class; + uint8_t flags; + uint16_t xprefix; /* see JFFS2_XATTR_PREFIX_* */ + struct list_head xindex; /* chained from c->xattrindex[n] */ uint32_t refcnt; /* # of xattr_ref refers this */ uint32_t xid; @@ -42,11 +42,11 @@ struct jffs2_inode_cache; struct jffs2_xattr_ref { void *always_null; - u8 class; - u8 flags; /* Currently unused */ + struct jffs2_raw_node_ref *node; + uint8_t class; + uint8_t flags; /* Currently unused */ u16 unused; - struct jffs2_raw_node_ref *node; union { struct jffs2_inode_cache *ic; /* reference to jffs2_inode_cache */ uint32_t ino; /* only used in scanning/building */ |