diff options
Diffstat (limited to 'fs/xfs/xfs_attr_remote.h')
-rw-r--r-- | fs/xfs/xfs_attr_remote.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/fs/xfs/xfs_attr_remote.h b/fs/xfs/xfs_attr_remote.h index b3e1e1bdfb3b..5a9acfa156d7 100644 --- a/fs/xfs/xfs_attr_remote.h +++ b/fs/xfs/xfs_attr_remote.h | |||
@@ -18,33 +18,6 @@ | |||
18 | #ifndef __XFS_ATTR_REMOTE_H__ | 18 | #ifndef __XFS_ATTR_REMOTE_H__ |
19 | #define __XFS_ATTR_REMOTE_H__ | 19 | #define __XFS_ATTR_REMOTE_H__ |
20 | 20 | ||
21 | #define XFS_ATTR3_RMT_MAGIC 0x5841524d /* XARM */ | ||
22 | |||
23 | /* | ||
24 | * There is one of these headers per filesystem block in a remote attribute. | ||
25 | * This is done to ensure there is a 1:1 mapping between the attribute value | ||
26 | * length and the number of blocks needed to store the attribute. This makes the | ||
27 | * verification of a buffer a little more complex, but greatly simplifies the | ||
28 | * allocation, reading and writing of these attributes as we don't have to guess | ||
29 | * the number of blocks needed to store the attribute data. | ||
30 | */ | ||
31 | struct xfs_attr3_rmt_hdr { | ||
32 | __be32 rm_magic; | ||
33 | __be32 rm_offset; | ||
34 | __be32 rm_bytes; | ||
35 | __be32 rm_crc; | ||
36 | uuid_t rm_uuid; | ||
37 | __be64 rm_owner; | ||
38 | __be64 rm_blkno; | ||
39 | __be64 rm_lsn; | ||
40 | }; | ||
41 | |||
42 | #define XFS_ATTR3_RMT_CRC_OFF offsetof(struct xfs_attr3_rmt_hdr, rm_crc) | ||
43 | |||
44 | #define XFS_ATTR3_RMT_BUF_SPACE(mp, bufsize) \ | ||
45 | ((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \ | ||
46 | sizeof(struct xfs_attr3_rmt_hdr) : 0)) | ||
47 | |||
48 | int xfs_attr3_rmt_blocks(struct xfs_mount *mp, int attrlen); | 21 | int xfs_attr3_rmt_blocks(struct xfs_mount *mp, int attrlen); |
49 | 22 | ||
50 | int xfs_attr_rmtval_get(struct xfs_da_args *args); | 23 | int xfs_attr_rmtval_get(struct xfs_da_args *args); |