Lines Matching refs:msblk
89 struct squashfs_sb_info *msblk;
113 sb->s_fs_info = kzalloc(sizeof(*msblk), GFP_KERNEL);
118 msblk = sb->s_fs_info;
120 msblk->devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE);
121 msblk->devblksize_log2 = ffz(~msblk->devblksize);
123 mutex_init(&msblk->meta_index_mutex);
126 * msblk->bytes_used is checked in squashfs_read_table to ensure reads
131 msblk->bytes_used = sizeof(*sblk);
153 msblk->decompressor = supported_squashfs_filesystem(
158 if (msblk->decompressor == NULL)
163 msblk->bytes_used = le64_to_cpu(sblk->bytes_used);
164 if (msblk->bytes_used < 0 || msblk->bytes_used >
169 msblk->block_size = le32_to_cpu(sblk->block_size);
170 if (msblk->block_size > SQUASHFS_FILE_MAX_SIZE)
177 if (PAGE_SIZE > msblk->block_size) {
179 "currently not supported!", msblk->block_size);
184 msblk->block_log = le16_to_cpu(sblk->block_log);
185 if (msblk->block_log > SQUASHFS_FILE_MAX_LOG)
189 if (msblk->block_size != (1 << msblk->block_log))
197 msblk->inode_table = le64_to_cpu(sblk->inode_table_start);
198 msblk->directory_table = le64_to_cpu(sblk->directory_table_start);
199 msblk->inodes = le32_to_cpu(sblk->inodes);
200 msblk->fragments = le32_to_cpu(sblk->fragments);
201 msblk->ids = le16_to_cpu(sblk->no_ids);
209 TRACE("Filesystem size %lld bytes\n", msblk->bytes_used);
210 TRACE("Block size %d\n", msblk->block_size);
211 TRACE("Number of inodes %d\n", msblk->inodes);
212 TRACE("Number of fragments %d\n", msblk->fragments);
213 TRACE("Number of ids %d\n", msblk->ids);
214 TRACE("sblk->inode_table_start %llx\n", msblk->inode_table);
215 TRACE("sblk->directory_table_start %llx\n", msblk->directory_table);
229 msblk->block_cache = squashfs_cache_init("metadata",
231 if (msblk->block_cache == NULL)
235 msblk->read_page = squashfs_cache_init("data",
236 squashfs_max_decompressors(), msblk->block_size);
237 if (msblk->read_page == NULL) {
242 msblk->stream = squashfs_decompressor_setup(sb, flags);
243 if (IS_ERR(msblk->stream)) {
244 err = PTR_ERR(msblk->stream);
245 msblk->stream = NULL;
253 next_table = msblk->bytes_used;
258 msblk->xattr_id_table = squashfs_read_xattr_id_table(sb,
259 xattr_id_table_start, &msblk->xattr_table, &msblk->xattr_ids);
260 if (IS_ERR(msblk->xattr_id_table)) {
262 err = PTR_ERR(msblk->xattr_id_table);
263 msblk->xattr_id_table = NULL;
267 next_table = msblk->xattr_table;
271 msblk->id_table = squashfs_read_id_index_table(sb,
272 le64_to_cpu(sblk->id_table_start), next_table, msblk->ids);
273 if (IS_ERR(msblk->id_table)) {
275 err = PTR_ERR(msblk->id_table);
276 msblk->id_table = NULL;
279 next_table = le64_to_cpu(msblk->id_table[0]);
287 msblk->inode_lookup_table = squashfs_read_inode_lookup_table(sb,
288 lookup_table_start, next_table, msblk->inodes);
289 if (IS_ERR(msblk->inode_lookup_table)) {
291 err = PTR_ERR(msblk->inode_lookup_table);
292 msblk->inode_lookup_table = NULL;
295 next_table = le64_to_cpu(msblk->inode_lookup_table[0]);
300 fragments = msblk->fragments;
304 msblk->fragment_cache = squashfs_cache_init("fragment",
305 SQUASHFS_CACHED_FRAGMENTS, msblk->block_size);
306 if (msblk->fragment_cache == NULL) {
312 msblk->fragment_index = squashfs_read_fragment_index_table(sb,
314 if (IS_ERR(msblk->fragment_index)) {
316 err = PTR_ERR(msblk->fragment_index);
317 msblk->fragment_index = NULL;
320 next_table = le64_to_cpu(msblk->fragment_index[0]);
324 if (msblk->directory_table > next_table) {
330 if (msblk->inode_table >= msblk->directory_table) {
364 squashfs_cache_delete(msblk->block_cache);
365 squashfs_cache_delete(msblk->fragment_cache);
366 squashfs_cache_delete(msblk->read_page);
367 squashfs_decompressor_destroy(msblk);
368 kfree(msblk->inode_lookup_table);
369 kfree(msblk->fragment_index);
370 kfree(msblk->id_table);
371 kfree(msblk->xattr_id_table);
403 struct squashfs_sb_info *msblk = dentry->d_sb->s_fs_info;
409 buf->f_bsize = msblk->block_size;
410 buf->f_blocks = ((msblk->bytes_used - 1) >> msblk->block_log) + 1;
412 buf->f_files = msblk->inodes;