fs/sharefs/sharefs_vnops.c

50 sharefs_snap_create(shnode_t *sft)
61 	if (sft->sharefs_snap) {
65 		if (sft->sharefs_generation == sharetab_generation) {
71 		ASSERT(sft->sharefs_size != 0);
72 		kmem_free(sft->sharefs_snap, sft->sharefs_size + 1);
73 		sft->sharefs_snap = NULL;
76 	sft->sharefs_size = sharetab_size;
77 	sft->sharefs_count = sharetab_count;
79 	if (sft->sharefs_size == 0) {
85 	sft->sharefs_snap = kmem_zalloc(sft->sharefs_size + 1, KM_SLEEP);
87 	buf = sft->sharefs_snap;
102 				    sft->sharefs_size) {
138 	sft->sharefs_snap_time = sharetab_snap_time;
139 	sft->sharefs_generation = sharetab_generation;
141 	ASSERT(iCount == sft->sharefs_count);
149 	kmem_free(sft->sharefs_snap, sft->sharefs_size + 1);
150 	sft->sharefs_size = 0;
151 	sft->sharefs_count = 0;
152 	sft->sharefs_snap = NULL;
165 	shnode_t	*sft = VTOSH(vp);
181 	if (sft->sharefs_real_vp) {
187 		vap->va_size = sft->sharefs_size;
188 		vap->va_mtime = sft->sharefs_snap_time;
223 	shnode_t	*sft;
250 	sft = VTOSH(vp);
256 	atomic_add_32(&sft->sharefs_refs, 1);
257 	sft->sharefs_real_vp = 0;
264 	error = sharefs_snap_create(sft);
274 	shnode_t	*sft = VTOSH(vp);
281 		if (sft->sharefs_snap != NULL) {
282 			kmem_free(sft->sharefs_snap, sft->sharefs_size + 1);
283 			sft->sharefs_size = 0;
284 			sft->sharefs_snap = NULL;
285 			sft->sharefs_generation = 0;
288 	atomic_add_32(&sft->sharefs_refs, -1);
299 	shnode_t	*sft = VTOSH(vp);
311 		error = sharefs_snap_create(sft);
319 	if (len <= 0 || off >= sft->sharefs_size) {
324 	if ((size_t)(off + len) > sft->sharefs_size)
325 		len = sft->sharefs_size - off;
327 	if (off < 0 || len > sft->sharefs_size) {
333 		error = uiomove(sft->sharefs_snap + off,
346 	shnode_t	*sft;
348 	sft = (shnode_t *)gfs_file_inactive(vp);
349 	if (sft) {
351 		if (sft->sharefs_snap != NULL) {
352 			kmem_free(sft->sharefs_snap, sft->sharefs_size + 1);
355 		kmem_free(sft, fp->gfs_size);
364 	shnode_t	*sft;
369 	sft = VTOSH(vp);
371 	sft->sharefs_real_vp = 1;