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Diffstat (limited to 'include/linux/gfs2_ondisk.h')
-rw-r--r--include/linux/gfs2_ondisk.h138
1 files changed, 117 insertions, 21 deletions
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index a7ae7c177cac..8b7e4c1e32ae 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -54,8 +54,13 @@ struct gfs2_inum {
54 __be64 no_addr; 54 __be64 no_addr;
55}; 55};
56 56
57static inline int gfs2_inum_equal(const struct gfs2_inum *ino1, 57struct gfs2_inum_host {
58 const struct gfs2_inum *ino2) 58 __u64 no_formal_ino;
59 __u64 no_addr;
60};
61
62static inline int gfs2_inum_equal(const struct gfs2_inum_host *ino1,
63 const struct gfs2_inum_host *ino2)
59{ 64{
60 return ino1->no_formal_ino == ino2->no_formal_ino && 65 return ino1->no_formal_ino == ino2->no_formal_ino &&
61 ino1->no_addr == ino2->no_addr; 66 ino1->no_addr == ino2->no_addr;
@@ -89,6 +94,12 @@ struct gfs2_meta_header {
89 __be32 __pad1; /* Was incarnation number in gfs1 */ 94 __be32 __pad1; /* Was incarnation number in gfs1 */
90}; 95};
91 96
97struct gfs2_meta_header_host {
98 __u32 mh_magic;
99 __u32 mh_type;
100 __u32 mh_format;
101};
102
92/* 103/*
93 * super-block structure 104 * super-block structure
94 * 105 *
@@ -128,6 +139,23 @@ struct gfs2_sb {
128 /* In gfs1, quota and license dinodes followed */ 139 /* In gfs1, quota and license dinodes followed */
129}; 140};
130 141
142struct gfs2_sb_host {
143 struct gfs2_meta_header_host sb_header;
144
145 __u32 sb_fs_format;
146 __u32 sb_multihost_format;
147
148 __u32 sb_bsize;
149 __u32 sb_bsize_shift;
150
151 struct gfs2_inum_host sb_master_dir; /* Was jindex dinode in gfs1 */
152 struct gfs2_inum_host sb_root_dir;
153
154 char sb_lockproto[GFS2_LOCKNAME_LEN];
155 char sb_locktable[GFS2_LOCKNAME_LEN];
156 /* In gfs1, quota and license dinodes followed */
157};
158
131/* 159/*
132 * resource index structure 160 * resource index structure
133 */ 161 */
@@ -145,6 +173,14 @@ struct gfs2_rindex {
145 __u8 ri_reserved[64]; 173 __u8 ri_reserved[64];
146}; 174};
147 175
176struct gfs2_rindex_host {
177 __u64 ri_addr; /* grp block disk address */
178 __u64 ri_data0; /* first data location */
179 __u32 ri_length; /* length of rgrp header in fs blocks */
180 __u32 ri_data; /* num of data blocks in rgrp */
181 __u32 ri_bitbytes; /* number of bytes in data bitmaps */
182};
183
148/* 184/*
149 * resource group header structure 185 * resource group header structure
150 */ 186 */
@@ -176,6 +212,13 @@ struct gfs2_rgrp {
176 __u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */ 212 __u8 rg_reserved[80]; /* Several fields from gfs1 now reserved */
177}; 213};
178 214
215struct gfs2_rgrp_host {
216 __u32 rg_flags;
217 __u32 rg_free;
218 __u32 rg_dinodes;
219 __u64 rg_igeneration;
220};
221
179/* 222/*
180 * quota structure 223 * quota structure
181 */ 224 */
@@ -187,6 +230,12 @@ struct gfs2_quota {
187 __u8 qu_reserved[64]; 230 __u8 qu_reserved[64];
188}; 231};
189 232
233struct gfs2_quota_host {
234 __u64 qu_limit;
235 __u64 qu_warn;
236 __u64 qu_value;
237};
238
190/* 239/*
191 * dinode structure 240 * dinode structure
192 */ 241 */
@@ -270,6 +319,27 @@ struct gfs2_dinode {
270 __u8 di_reserved[56]; 319 __u8 di_reserved[56];
271}; 320};
272 321
322struct gfs2_dinode_host {
323 __u64 di_size; /* number of bytes in file */
324 __u64 di_blocks; /* number of blocks in file */
325
326 /* This section varies from gfs1. Padding added to align with
327 * remainder of dinode
328 */
329 __u64 di_goal_meta; /* rgrp to alloc from next */
330 __u64 di_goal_data; /* data block goal */
331 __u64 di_generation; /* generation number for NFS */
332
333 __u32 di_flags; /* GFS2_DIF_... */
334 __u16 di_height; /* height of metadata */
335
336 /* These only apply to directories */
337 __u16 di_depth; /* Number of bits in the table */
338 __u32 di_entries; /* The number of entries in the directory */
339
340 __u64 di_eattr; /* extended attribute block number */
341};
342
273/* 343/*
274 * directory structure - many of these per directory file 344 * directory structure - many of these per directory file
275 */ 345 */
@@ -344,6 +414,16 @@ struct gfs2_log_header {
344 __be32 lh_hash; 414 __be32 lh_hash;
345}; 415};
346 416
417struct gfs2_log_header_host {
418 struct gfs2_meta_header_host lh_header;
419
420 __u64 lh_sequence; /* Sequence number of this transaction */
421 __u32 lh_flags; /* GFS2_LOG_HEAD_... */
422 __u32 lh_tail; /* Block number of log tail */
423 __u32 lh_blkno;
424 __u32 lh_hash;
425};
426
347/* 427/*
348 * Log type descriptor 428 * Log type descriptor
349 */ 429 */
@@ -384,6 +464,11 @@ struct gfs2_inum_range {
384 __be64 ir_length; 464 __be64 ir_length;
385}; 465};
386 466
467struct gfs2_inum_range_host {
468 __u64 ir_start;
469 __u64 ir_length;
470};
471
387/* 472/*
388 * Statfs change 473 * Statfs change
389 * Describes an change to the pool of free and allocated 474 * Describes an change to the pool of free and allocated
@@ -396,6 +481,12 @@ struct gfs2_statfs_change {
396 __be64 sc_dinodes; 481 __be64 sc_dinodes;
397}; 482};
398 483
484struct gfs2_statfs_change_host {
485 __u64 sc_total;
486 __u64 sc_free;
487 __u64 sc_dinodes;
488};
489
399/* 490/*
400 * Quota change 491 * Quota change
401 * Describes an allocation change for a particular 492 * Describes an allocation change for a particular
@@ -410,33 +501,38 @@ struct gfs2_quota_change {
410 __be32 qc_id; 501 __be32 qc_id;
411}; 502};
412 503
504struct gfs2_quota_change_host {
505 __u64 qc_change;
506 __u32 qc_flags; /* GFS2_QCF_... */
507 __u32 qc_id;
508};
509
413#ifdef __KERNEL__ 510#ifdef __KERNEL__
414/* Translation functions */ 511/* Translation functions */
415 512
416extern void gfs2_inum_in(struct gfs2_inum *no, const void *buf); 513extern void gfs2_inum_in(struct gfs2_inum_host *no, const void *buf);
417extern void gfs2_inum_out(const struct gfs2_inum *no, void *buf); 514extern void gfs2_inum_out(const struct gfs2_inum_host *no, void *buf);
418extern void gfs2_sb_in(struct gfs2_sb *sb, const void *buf); 515extern void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf);
419extern void gfs2_rindex_in(struct gfs2_rindex *ri, const void *buf); 516extern void gfs2_rindex_in(struct gfs2_rindex_host *ri, const void *buf);
420extern void gfs2_rindex_out(const struct gfs2_rindex *ri, void *buf); 517extern void gfs2_rindex_out(const struct gfs2_rindex_host *ri, void *buf);
421extern void gfs2_rgrp_in(struct gfs2_rgrp *rg, const void *buf); 518extern void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf);
422extern void gfs2_rgrp_out(const struct gfs2_rgrp *rg, void *buf); 519extern void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf);
423extern void gfs2_quota_in(struct gfs2_quota *qu, const void *buf); 520extern void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf);
424extern void gfs2_quota_out(const struct gfs2_quota *qu, void *buf); 521struct gfs2_inode;
425extern void gfs2_dinode_in(struct gfs2_dinode *di, const void *buf); 522extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
426extern void gfs2_dinode_out(const struct gfs2_dinode *di, void *buf);
427extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, const void *buf); 523extern void gfs2_ea_header_in(struct gfs2_ea_header *ea, const void *buf);
428extern void gfs2_ea_header_out(const struct gfs2_ea_header *ea, void *buf); 524extern void gfs2_ea_header_out(const struct gfs2_ea_header *ea, void *buf);
429extern void gfs2_log_header_in(struct gfs2_log_header *lh, const void *buf); 525extern void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf);
430extern void gfs2_inum_range_in(struct gfs2_inum_range *ir, const void *buf); 526extern void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf);
431extern void gfs2_inum_range_out(const struct gfs2_inum_range *ir, void *buf); 527extern void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf);
432extern void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf); 528extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf);
433extern void gfs2_statfs_change_out(const struct gfs2_statfs_change *sc, void *buf); 529extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf);
434extern void gfs2_quota_change_in(struct gfs2_quota_change *qc, const void *buf); 530extern void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *buf);
435 531
436/* Printing functions */ 532/* Printing functions */
437 533
438extern void gfs2_rindex_print(const struct gfs2_rindex *ri); 534extern void gfs2_rindex_print(const struct gfs2_rindex_host *ri);
439extern void gfs2_dinode_print(const struct gfs2_dinode *di); 535extern void gfs2_dinode_print(const struct gfs2_inode *ip);
440 536
441#endif /* __KERNEL__ */ 537#endif /* __KERNEL__ */
442 538