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author | Steven Whitehouse <swhiteho@redhat.com> | 2009-08-26 18:51:04 +0100 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-08-26 18:51:04 +0100 |
commit | 307cf6e63cfa5025589ea1a06db44439a43819ff (patch) | |
tree | a1c8be1c2af112dc055a16569487cdcd99ebfdb2 /fs/gfs2/xattr.h | |
parent | 40b78a322365aa1d87770200f7fc7de3b361c11a (diff) | |
download | linux-stable-307cf6e63cfa5025589ea1a06db44439a43819ff.tar.gz linux-stable-307cf6e63cfa5025589ea1a06db44439a43819ff.tar.bz2 linux-stable-307cf6e63cfa5025589ea1a06db44439a43819ff.zip |
GFS2: Rename eattr.[ch] as xattr.[ch]
Use the more conventional name for the extended attribute
support code. Update all the places which care.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/xattr.h')
-rw-r--r-- | fs/gfs2/xattr.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/fs/gfs2/xattr.h b/fs/gfs2/xattr.h new file mode 100644 index 000000000000..4040a188f63b --- /dev/null +++ b/fs/gfs2/xattr.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. + * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. + * + * This copyrighted material is made available to anyone wishing to use, + * modify, copy, or redistribute it subject to the terms and conditions + * of the GNU General Public License version 2. + */ + +#ifndef __EATTR_DOT_H__ +#define __EATTR_DOT_H__ + +struct gfs2_inode; +struct iattr; + +#define GFS2_EA_REC_LEN(ea) be32_to_cpu((ea)->ea_rec_len) +#define GFS2_EA_DATA_LEN(ea) be32_to_cpu((ea)->ea_data_len) + +#define GFS2_EA_SIZE(ea) \ +ALIGN(sizeof(struct gfs2_ea_header) + (ea)->ea_name_len + \ + ((GFS2_EA_IS_STUFFED(ea)) ? GFS2_EA_DATA_LEN(ea) : \ + (sizeof(__be64) * (ea)->ea_num_ptrs)), 8) + +#define GFS2_EA_IS_STUFFED(ea) (!(ea)->ea_num_ptrs) +#define GFS2_EA_IS_LAST(ea) ((ea)->ea_flags & GFS2_EAFLAG_LAST) + +#define GFS2_EAREQ_SIZE_STUFFED(er) \ +ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + (er)->er_data_len, 8) + +#define GFS2_EA2NAME(ea) ((char *)((struct gfs2_ea_header *)(ea) + 1)) +#define GFS2_EA2DATA(ea) (GFS2_EA2NAME(ea) + (ea)->ea_name_len) + +#define GFS2_EA2DATAPTRS(ea) \ +((__be64 *)(GFS2_EA2NAME(ea) + ALIGN((ea)->ea_name_len, 8))) + +#define GFS2_EA2NEXT(ea) \ +((struct gfs2_ea_header *)((char *)(ea) + GFS2_EA_REC_LEN(ea))) + +#define GFS2_EA_BH2FIRST(bh) \ +((struct gfs2_ea_header *)((bh)->b_data + sizeof(struct gfs2_meta_header))) + +struct gfs2_ea_request { + const char *er_name; + char *er_data; + unsigned int er_name_len; + unsigned int er_data_len; + unsigned int er_type; /* GFS2_EATYPE_... */ +}; + +struct gfs2_ea_location { + struct buffer_head *el_bh; + struct gfs2_ea_header *el_ea; + struct gfs2_ea_header *el_prev; +}; + +extern int gfs2_xattr_get(struct inode *inode, int type, const char *name, + void *buffer, size_t size); +extern int gfs2_xattr_set(struct inode *inode, int type, const char *name, + const void *value, size_t size, int flags); +extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size); +extern int gfs2_ea_dealloc(struct gfs2_inode *ip); + +/* Exported to acl.c */ + +extern int gfs2_ea_find(struct gfs2_inode *ip, int type, const char *name, + struct gfs2_ea_location *el); +extern int gfs2_ea_get_copy(struct gfs2_inode *ip, struct gfs2_ea_location *el, + char *data, size_t size); +extern int gfs2_ea_acl_chmod(struct gfs2_inode *ip, struct gfs2_ea_location *el, + struct iattr *attr, char *data); + +#endif /* __EATTR_DOT_H__ */ |