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authorChristoph Hellwig <hch@lst.de>2014-11-27 22:24:37 -0500
committerDave Chinner <david@fromorbit.com>2014-11-27 22:24:37 -0500
commit5beda58bf269febe67eca91d5d5dc7c7d392232a (patch)
tree59706664dbd90908f8c2342bdb42f9ad446279cf /fs/xfs
parent6d3ebaae7c20128bfa6965a8d5cee0d1deea8486 (diff)
xfs: move acl structures to xfs_format.h
Move the on-disk ACL format to xfs_format.h, so that repair can use the common defintion. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/libxfs/xfs_format.h36
-rw-r--r--fs/xfs/xfs_acl.h36
2 files changed, 36 insertions, 36 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 3be17eee8f30..e99d3290152a 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -627,4 +627,40 @@ struct xfs_btree_block {
627#define XFS_BTREE_LBLOCK_CRC_OFF \ 627#define XFS_BTREE_LBLOCK_CRC_OFF \
628 offsetof(struct xfs_btree_block, bb_u.l.bb_crc) 628 offsetof(struct xfs_btree_block, bb_u.l.bb_crc)
629 629
630/*
631 * On-disk XFS access control list structure.
632 */
633struct xfs_acl_entry {
634 __be32 ae_tag;
635 __be32 ae_id;
636 __be16 ae_perm;
637 __be16 ae_pad; /* fill the implicit hole in the structure */
638};
639
640struct xfs_acl {
641 __be32 acl_cnt;
642 struct xfs_acl_entry acl_entry[0];
643};
644
645/*
646 * The number of ACL entries allowed is defined by the on-disk format.
647 * For v4 superblocks, that is limited to 25 entries. For v5 superblocks, it is
648 * limited only by the maximum size of the xattr that stores the information.
649 */
650#define XFS_ACL_MAX_ENTRIES(mp) \
651 (xfs_sb_version_hascrc(&mp->m_sb) \
652 ? (XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \
653 sizeof(struct xfs_acl_entry) \
654 : 25)
655
656#define XFS_ACL_MAX_SIZE(mp) \
657 (sizeof(struct xfs_acl) + \
658 sizeof(struct xfs_acl_entry) * XFS_ACL_MAX_ENTRIES((mp)))
659
660/* On-disk XFS extended attribute names */
661#define SGI_ACL_FILE (unsigned char *)"SGI_ACL_FILE"
662#define SGI_ACL_DEFAULT (unsigned char *)"SGI_ACL_DEFAULT"
663#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
664#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
665
630#endif /* __XFS_FORMAT_H__ */ 666#endif /* __XFS_FORMAT_H__ */
diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h
index 5dc163744511..3841b07f27bf 100644
--- a/fs/xfs/xfs_acl.h
+++ b/fs/xfs/xfs_acl.h
@@ -22,42 +22,6 @@ struct inode;
22struct posix_acl; 22struct posix_acl;
23struct xfs_inode; 23struct xfs_inode;
24 24
25#define XFS_ACL_NOT_PRESENT (-1)
26
27/* On-disk XFS access control list structure */
28struct xfs_acl_entry {
29 __be32 ae_tag;
30 __be32 ae_id;
31 __be16 ae_perm;
32 __be16 ae_pad; /* fill the implicit hole in the structure */
33};
34
35struct xfs_acl {
36 __be32 acl_cnt;
37 struct xfs_acl_entry acl_entry[0];
38};
39
40/*
41 * The number of ACL entries allowed is defined by the on-disk format.
42 * For v4 superblocks, that is limited to 25 entries. For v5 superblocks, it is
43 * limited only by the maximum size of the xattr that stores the information.
44 */
45#define XFS_ACL_MAX_ENTRIES(mp) \
46 (xfs_sb_version_hascrc(&mp->m_sb) \
47 ? (XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \
48 sizeof(struct xfs_acl_entry) \
49 : 25)
50
51#define XFS_ACL_MAX_SIZE(mp) \
52 (sizeof(struct xfs_acl) + \
53 sizeof(struct xfs_acl_entry) * XFS_ACL_MAX_ENTRIES((mp)))
54
55/* On-disk XFS extended attribute names */
56#define SGI_ACL_FILE (unsigned char *)"SGI_ACL_FILE"
57#define SGI_ACL_DEFAULT (unsigned char *)"SGI_ACL_DEFAULT"
58#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
59#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
60
61#ifdef CONFIG_XFS_POSIX_ACL 25#ifdef CONFIG_XFS_POSIX_ACL
62extern struct posix_acl *xfs_get_acl(struct inode *inode, int type); 26extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
63extern int xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type); 27extern int xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);