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Diffstat (limited to 'fs/xfs/xfs_attr_leaf.h')
-rw-r--r--fs/xfs/xfs_attr_leaf.h79
1 files changed, 43 insertions, 36 deletions
diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h
index f6143ff251a0..541e34109bb9 100644
--- a/fs/xfs/xfs_attr_leaf.h
+++ b/fs/xfs/xfs_attr_leaf.h
@@ -63,7 +63,7 @@ struct xfs_trans;
* the leaf_entry. The namespaces are independent only because we also look
* at the namespace bit when we are looking for a matching attribute name.
*
- * We also store a "incomplete" bit in the leaf_entry. It shows that an
+ * We also store an "incomplete" bit in the leaf_entry. It shows that an
* attribute is in the middle of being created and should not be shown to
* the user if we crash during the time that the bit is set. We clear the
* bit when we have finished setting up the attribute. We do this because
@@ -72,42 +72,48 @@ struct xfs_trans;
*/
#define XFS_ATTR_LEAF_MAPSIZE 3 /* how many freespace slots */
+typedef struct xfs_attr_leaf_map { /* RLE map of free bytes */
+ __uint16_t base; /* base of free region */
+ __uint16_t size; /* length of free region */
+} xfs_attr_leaf_map_t;
+
+typedef struct xfs_attr_leaf_hdr { /* constant-structure header block */
+ xfs_da_blkinfo_t info; /* block type, links, etc. */
+ __uint16_t count; /* count of active leaf_entry's */
+ __uint16_t usedbytes; /* num bytes of names/values stored */
+ __uint16_t firstused; /* first used byte in name area */
+ __uint8_t holes; /* != 0 if blk needs compaction */
+ __uint8_t pad1;
+ xfs_attr_leaf_map_t freemap[XFS_ATTR_LEAF_MAPSIZE];
+ /* N largest free regions */
+} xfs_attr_leaf_hdr_t;
+
+typedef struct xfs_attr_leaf_entry { /* sorted on key, not name */
+ xfs_dahash_t hashval; /* hash value of name */
+ __uint16_t nameidx; /* index into buffer of name/value */
+ __uint8_t flags; /* LOCAL/ROOT/SECURE/INCOMPLETE flag */
+ __uint8_t pad2; /* unused pad byte */
+} xfs_attr_leaf_entry_t;
+
+typedef struct xfs_attr_leaf_name_local {
+ __uint16_t valuelen; /* number of bytes in value */
+ __uint8_t namelen; /* length of name bytes */
+ __uint8_t nameval[1]; /* name/value bytes */
+} xfs_attr_leaf_name_local_t;
+
+typedef struct xfs_attr_leaf_name_remote {
+ xfs_dablk_t valueblk; /* block number of value bytes */
+ __uint32_t valuelen; /* number of bytes in value */
+ __uint8_t namelen; /* length of name bytes */
+ __uint8_t name[1]; /* name bytes */
+} xfs_attr_leaf_name_remote_t;
+
typedef struct xfs_attr_leafblock {
- struct xfs_attr_leaf_hdr { /* constant-structure header block */
- xfs_da_blkinfo_t info; /* block type, links, etc. */
- __uint16_t count; /* count of active leaf_entry's */
- __uint16_t usedbytes; /* num bytes of names/values stored */
- __uint16_t firstused; /* first used byte in name area */
- __uint8_t holes; /* != 0 if blk needs compaction */
- __uint8_t pad1;
- struct xfs_attr_leaf_map { /* RLE map of free bytes */
- __uint16_t base; /* base of free region */
- __uint16_t size; /* length of free region */
- } freemap[XFS_ATTR_LEAF_MAPSIZE]; /* N largest free regions */
- } hdr;
- struct xfs_attr_leaf_entry { /* sorted on key, not name */
- xfs_dahash_t hashval; /* hash value of name */
- __uint16_t nameidx; /* index into buffer of name/value */
- __uint8_t flags; /* LOCAL/ROOT/SECURE/INCOMPLETE flag */
- __uint8_t pad2; /* unused pad byte */
- } entries[1]; /* variable sized array */
- struct xfs_attr_leaf_name_local {
- __uint16_t valuelen; /* number of bytes in value */
- __uint8_t namelen; /* length of name bytes */
- __uint8_t nameval[1]; /* name/value bytes */
- } namelist; /* grows from bottom of buf */
- struct xfs_attr_leaf_name_remote {
- xfs_dablk_t valueblk; /* block number of value bytes */
- __uint32_t valuelen; /* number of bytes in value */
- __uint8_t namelen; /* length of name bytes */
- __uint8_t name[1]; /* name bytes */
- } valuelist; /* grows from bottom of buf */
+ xfs_attr_leaf_hdr_t hdr; /* constant-structure header block */
+ xfs_attr_leaf_entry_t entries[1]; /* sorted on key, not name */
+ xfs_attr_leaf_name_local_t namelist; /* grows from bottom of buf */
+ xfs_attr_leaf_name_remote_t valuelist; /* grows from bottom of buf */
} xfs_attr_leafblock_t;
-typedef struct xfs_attr_leaf_hdr xfs_attr_leaf_hdr_t;
-typedef struct xfs_attr_leaf_map xfs_attr_leaf_map_t;
-typedef struct xfs_attr_leaf_entry xfs_attr_leaf_entry_t;
-typedef struct xfs_attr_leaf_name_local xfs_attr_leaf_name_local_t;
-typedef struct xfs_attr_leaf_name_remote xfs_attr_leaf_name_remote_t;
/*
* Flags used in the leaf_entry[i].flags field.
@@ -150,7 +156,8 @@ xfs_attr_leaf_name_local(xfs_attr_leafblock_t *leafp, int idx)
(leafp))[INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT)];
}
-#define XFS_ATTR_LEAF_NAME(leafp,idx) xfs_attr_leaf_name(leafp,idx)
+#define XFS_ATTR_LEAF_NAME(leafp,idx) \
+ xfs_attr_leaf_name(leafp,idx)
static inline char *xfs_attr_leaf_name(xfs_attr_leafblock_t *leafp, int idx)
{
return (&((char *)