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63 lines
1.9 KiB
63 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
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* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
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*/ |
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#ifndef __EATTR_DOT_H__ |
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#define __EATTR_DOT_H__ |
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struct gfs2_inode; |
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struct iattr; |
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#define GFS2_EA_REC_LEN(ea) be32_to_cpu((ea)->ea_rec_len) |
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#define GFS2_EA_DATA_LEN(ea) be32_to_cpu((ea)->ea_data_len) |
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#define GFS2_EA_SIZE(ea) \ |
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ALIGN(sizeof(struct gfs2_ea_header) + (ea)->ea_name_len + \ |
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((GFS2_EA_IS_STUFFED(ea)) ? GFS2_EA_DATA_LEN(ea) : \ |
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(sizeof(__be64) * (ea)->ea_num_ptrs)), 8) |
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#define GFS2_EA_IS_STUFFED(ea) (!(ea)->ea_num_ptrs) |
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#define GFS2_EA_IS_LAST(ea) ((ea)->ea_flags & GFS2_EAFLAG_LAST) |
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#define GFS2_EAREQ_SIZE_STUFFED(er) \ |
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ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + (er)->er_data_len, 8) |
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#define GFS2_EA2NAME(ea) ((char *)((struct gfs2_ea_header *)(ea) + 1)) |
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#define GFS2_EA2DATA(ea) (GFS2_EA2NAME(ea) + (ea)->ea_name_len) |
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#define GFS2_EA2DATAPTRS(ea) \ |
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((__be64 *)(GFS2_EA2NAME(ea) + ALIGN((ea)->ea_name_len, 8))) |
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#define GFS2_EA2NEXT(ea) \ |
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((struct gfs2_ea_header *)((char *)(ea) + GFS2_EA_REC_LEN(ea))) |
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#define GFS2_EA_BH2FIRST(bh) \ |
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((struct gfs2_ea_header *)((bh)->b_data + sizeof(struct gfs2_meta_header))) |
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struct gfs2_ea_request { |
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const char *er_name; |
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char *er_data; |
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unsigned int er_name_len; |
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unsigned int er_data_len; |
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unsigned int er_type; /* GFS2_EATYPE_... */ |
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}; |
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struct gfs2_ea_location { |
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struct buffer_head *el_bh; |
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struct gfs2_ea_header *el_ea; |
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struct gfs2_ea_header *el_prev; |
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}; |
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extern int __gfs2_xattr_set(struct inode *inode, const char *name, |
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const void *value, size_t size, |
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int flags, int type); |
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extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size); |
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extern int gfs2_ea_dealloc(struct gfs2_inode *ip); |
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/* Exported to acl.c */ |
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extern int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **data); |
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#endif /* __EATTR_DOT_H__ */
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