struct pnfs_block_dev;
-enum pnfs_block_volume_type {
- PNFS_BLOCK_VOLUME_SIMPLE = 0,
- PNFS_BLOCK_VOLUME_SLICE = 1,
- PNFS_BLOCK_VOLUME_CONCAT = 2,
- PNFS_BLOCK_VOLUME_STRIPE = 3,
-};
-
#define PNFS_BLOCK_MAX_UUIDS 4
#define PNFS_BLOCK_MAX_DEVICES 64
struct pnfs_block_dev_map *map);
};
-enum exstate4 {
- PNFS_BLOCK_READWRITE_DATA = 0,
- PNFS_BLOCK_READ_DATA = 1,
- PNFS_BLOCK_INVALID_DATA = 2, /* mapped, but data is invalid */
- PNFS_BLOCK_NONE_DATA = 3 /* unmapped, it's a hole */
-};
-
/* sector_t fields are all in 512-byte sectors */
struct pnfs_block_extent {
union {
sector_t be_f_offset; /* the starting offset in the file */
sector_t be_length; /* the size of the extent */
sector_t be_v_offset; /* the starting offset in the volume */
- enum exstate4 be_state; /* the state of this extent */
+ enum pnfs_block_extent_state be_state; /* the state of this extent */
#define EXTENT_WRITTEN 1
#define EXTENT_COMMITTING 2
unsigned int be_tag;
};
-/* on the wire size of the extent */
-#define BL_EXTENT_SIZE (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
-
struct pnfs_block_layout {
struct pnfs_layout_hdr bl_layout;
struct rb_root bl_ext_rw;
static size_t ext_tree_layoutupdate_size(size_t count)
{
return sizeof(__be32) /* number of entries */ +
- BL_EXTENT_SIZE * count;
+ PNFS_BLOCK_EXTENT_SIZE * count;
}
static void ext_tree_free_commitdata(struct nfs4_layoutcommit_args *arg,
}
nr_iomaps = be32_to_cpup(p++);
- expected = sizeof(__be32) + nr_iomaps * NFS4_BLOCK_EXTENT_SIZE;
+ expected = sizeof(__be32) + nr_iomaps * PNFS_BLOCK_EXTENT_SIZE;
if (len != expected) {
dprintk("%s: extent array size mismatch: %u/%u\n",
__func__, len, expected);
struct iomap;
struct xdr_stream;
-enum pnfs_block_extent_state {
- PNFS_BLOCK_READWRITE_DATA = 0,
- PNFS_BLOCK_READ_DATA = 1,
- PNFS_BLOCK_INVALID_DATA = 2,
- PNFS_BLOCK_NONE_DATA = 3,
-};
-
struct pnfs_block_extent {
struct nfsd4_deviceid vol_id;
u64 foff;
u64 soff;
enum pnfs_block_extent_state es;
};
-#define NFS4_BLOCK_EXTENT_SIZE 44
-
-enum pnfs_block_volume_type {
- PNFS_BLOCK_VOLUME_SIMPLE = 0,
- PNFS_BLOCK_VOLUME_SLICE = 1,
- PNFS_BLOCK_VOLUME_CONCAT = 2,
- PNFS_BLOCK_VOLUME_STRIPE = 3,
-};
/*
* Random upper cap for the uuid length to avoid unbounded allocation.
NOTIFY_DEVICEID4_DELETE = 1 << 2,
};
+enum pnfs_block_volume_type {
+ PNFS_BLOCK_VOLUME_SIMPLE = 0,
+ PNFS_BLOCK_VOLUME_SLICE = 1,
+ PNFS_BLOCK_VOLUME_CONCAT = 2,
+ PNFS_BLOCK_VOLUME_STRIPE = 3,
+};
+
+enum pnfs_block_extent_state {
+ PNFS_BLOCK_READWRITE_DATA = 0,
+ PNFS_BLOCK_READ_DATA = 1,
+ PNFS_BLOCK_INVALID_DATA = 2,
+ PNFS_BLOCK_NONE_DATA = 3,
+};
+
+/* on the wire size of a block layout extent */
+#define PNFS_BLOCK_EXTENT_SIZE \
+ (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)
+
#define NFL4_UFLG_MASK 0x0000003F
#define NFL4_UFLG_DENSE 0x00000001
#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002