diff options
Diffstat (limited to 'include/linux/reiserfs_xattr.h')
-rw-r--r-- | include/linux/reiserfs_xattr.h | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h index 958fcaca0e8b..20eca09729a2 100644 --- a/include/linux/reiserfs_xattr.h +++ b/include/linux/reiserfs_xattr.h | |||
@@ -46,14 +46,50 @@ int reiserfs_removexattr(struct dentry *dentry, const char *name); | |||
46 | int reiserfs_permission(struct inode *inode, int mask); | 46 | int reiserfs_permission(struct inode *inode, int mask); |
47 | 47 | ||
48 | int reiserfs_xattr_get(struct inode *, const char *, void *, size_t); | 48 | int reiserfs_xattr_get(struct inode *, const char *, void *, size_t); |
49 | int __reiserfs_xattr_set(struct inode *, const char *, const void *, | ||
50 | size_t, int); | ||
51 | int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int); | 49 | int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int); |
50 | int reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *, | ||
51 | struct inode *, const char *, const void *, | ||
52 | size_t, int); | ||
52 | 53 | ||
53 | extern struct xattr_handler reiserfs_xattr_user_handler; | 54 | extern struct xattr_handler reiserfs_xattr_user_handler; |
54 | extern struct xattr_handler reiserfs_xattr_trusted_handler; | 55 | extern struct xattr_handler reiserfs_xattr_trusted_handler; |
55 | extern struct xattr_handler reiserfs_xattr_security_handler; | 56 | extern struct xattr_handler reiserfs_xattr_security_handler; |
56 | 57 | ||
58 | #define xattr_size(size) ((size) + sizeof(struct reiserfs_xattr_header)) | ||
59 | static inline loff_t reiserfs_xattr_nblocks(struct inode *inode, loff_t size) | ||
60 | { | ||
61 | loff_t ret = 0; | ||
62 | if (reiserfs_file_data_log(inode)) { | ||
63 | ret = _ROUND_UP(xattr_size(size), inode->i_sb->s_blocksize); | ||
64 | ret >>= inode->i_sb->s_blocksize_bits; | ||
65 | } | ||
66 | return ret; | ||
67 | } | ||
68 | |||
69 | /* We may have to create up to 3 objects: xattr root, xattr dir, xattr file. | ||
70 | * Let's try to be smart about it. | ||
71 | * xattr root: We cache it. If it's not cached, we may need to create it. | ||
72 | * xattr dir: If anything has been loaded for this inode, we can set a flag | ||
73 | * saying so. | ||
74 | * xattr file: Since we don't cache xattrs, we can't tell. We always include | ||
75 | * blocks for it. | ||
76 | * | ||
77 | * However, since root and dir can be created between calls - YOU MUST SAVE | ||
78 | * THIS VALUE. | ||
79 | */ | ||
80 | static inline size_t reiserfs_xattr_jcreate_nblocks(struct inode *inode) | ||
81 | { | ||
82 | size_t nblocks = JOURNAL_BLOCKS_PER_OBJECT(inode->i_sb); | ||
83 | |||
84 | if ((REISERFS_I(inode)->i_flags & i_has_xattr_dir) == 0) { | ||
85 | nblocks += JOURNAL_BLOCKS_PER_OBJECT(inode->i_sb); | ||
86 | if (REISERFS_SB(inode->i_sb)->xattr_root == NULL) | ||
87 | nblocks += JOURNAL_BLOCKS_PER_OBJECT(inode->i_sb); | ||
88 | } | ||
89 | |||
90 | return nblocks; | ||
91 | } | ||
92 | |||
57 | static inline void reiserfs_init_xattr_rwsem(struct inode *inode) | 93 | static inline void reiserfs_init_xattr_rwsem(struct inode *inode) |
58 | { | 94 | { |
59 | init_rwsem(&REISERFS_I(inode)->i_xattr_sem); | 95 | init_rwsem(&REISERFS_I(inode)->i_xattr_sem); |