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pnfs: move common blocklayout XDR defintions to nfs4.h

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2015-08-17 18:41:01 +02:00 committed by Trond Myklebust
parent 513d6d7a95
commit 8bb2897582
5 changed files with 21 additions and 35 deletions
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19
fs/nfs/blocklayout/blocklayout.h
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@ -46,13 +46,6 @@
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
@ -117,13 +110,6 @@ struct pnfs_block_dev {
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 {
@ -134,15 +120,12 @@ struct pnfs_block_extent {
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;

2
fs/nfs/blocklayout/extent_tree.c
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@ -465,7 +465,7 @@ ext_tree_mark_written(struct pnfs_block_layout *bl, sector_t start,
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,

2
fs/nfsd/blocklayoutxdr.c
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@ -101,7 +101,7 @@ nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
}
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);

15
fs/nfsd/blocklayoutxdr.h
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@ -7,13 +7,6 @@
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;
@ -21,14 +14,6 @@ struct pnfs_block_extent {
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.

18
include/linux/nfs4.h
View File

@ -547,6 +547,24 @@ enum pnfs_notify_deviceid_type4 {
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