diff options
-rw-r--r-- | fs/hfsplus/bfind.c | 6 | ||||
-rw-r--r-- | fs/hfsplus/bitmap.c | 3 | ||||
-rw-r--r-- | fs/hfsplus/bnode.c | 70 | ||||
-rw-r--r-- | fs/hfsplus/brec.c | 28 | ||||
-rw-r--r-- | fs/hfsplus/btree.c | 33 | ||||
-rw-r--r-- | fs/hfsplus/catalog.c | 85 | ||||
-rw-r--r-- | fs/hfsplus/dir.c | 37 | ||||
-rw-r--r-- | fs/hfsplus/extents.c | 96 | ||||
-rw-r--r-- | fs/hfsplus/hfsplus_fs.h | 126 | ||||
-rw-r--r-- | fs/hfsplus/hfsplus_raw.h | 3 | ||||
-rw-r--r-- | fs/hfsplus/inode.c | 89 | ||||
-rw-r--r-- | fs/hfsplus/ioctl.c | 6 | ||||
-rw-r--r-- | fs/hfsplus/options.c | 44 | ||||
-rw-r--r-- | fs/hfsplus/part_tbl.c | 129 | ||||
-rw-r--r-- | fs/hfsplus/super.c | 130 | ||||
-rw-r--r-- | fs/hfsplus/unicode.c | 38 | ||||
-rw-r--r-- | fs/hfsplus/wrapper.c | 178 |
17 files changed, 701 insertions, 400 deletions
diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c index d182438c7ae..5d799c13205 100644 --- a/fs/hfsplus/bfind.c +++ b/fs/hfsplus/bfind.c @@ -22,7 +22,8 @@ int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd) return -ENOMEM; fd->search_key = ptr; fd->key = ptr + tree->max_key_len + 2; - dprint(DBG_BNODE_REFS, "find_init: %d (%p)\n", tree->cnid, __builtin_return_address(0)); + dprint(DBG_BNODE_REFS, "find_init: %d (%p)\n", + tree->cnid, __builtin_return_address(0)); mutex_lock(&tree->tree_lock); return 0; } @@ -31,7 +32,8 @@ void hfs_find_exit(struct hfs_find_data *fd) { hfs_bnode_put(fd->bnode); kfree(fd->search_key); - dprint(DBG_BNODE_REFS, "find_exit: %d (%p)\n", fd->tree->cnid, __builtin_return_address(0)); + dprint(DBG_BNODE_REFS, "find_exit: %d (%p)\n", + fd->tree->cnid, __builtin_return_address(0)); mutex_unlock(&fd->tree->tree_lock); fd->tree = NULL; } diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c index ad57f5991eb..1cad80c789c 100644 --- a/fs/hfsplus/bitmap.c +++ b/fs/hfsplus/bitmap.c @@ -15,7 +15,8 @@ #define PAGE_CACHE_BITS (PAGE_CACHE_SIZE * 8) -int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset, u32 *max) +int hfsplus_block_allocate(struct super_block *sb, u32 size, + u32 offset, u32 *max) { struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); struct page *page; diff --git a/fs/hfsplus/bnode.c b/fs/hfsplus/bnode.c index 29da6574ba7..1c42cc5b899 100644 --- a/fs/hfsplus/bnode.c +++ b/fs/hfsplus/bnode.c @@ -42,7 +42,7 @@ void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len) u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) { __be16 data; - // optimize later... + /* TODO: optimize later... */ hfs_bnode_read(node, &data, off, 2); return be16_to_cpu(data); } @@ -50,7 +50,7 @@ u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off) u8 hfs_bnode_read_u8(struct hfs_bnode *node, int off) { u8 data; - // optimize later... + /* TODO: optimize later... */ hfs_bnode_read(node, &data, off, 1); return data; } @@ -96,7 +96,7 @@ void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len) void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data) { __be16 v = cpu_to_be16(data); - // optimize later... + /* TODO: optimize later... */ hfs_bnode_write(node, &v, off, 2); } @@ -212,7 +212,8 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) dst_page--; } src -= len; - memmove(kmap(*dst_page) + src, kmap(*src_page) + src, len); + memmove(kmap(*dst_page) + src, + kmap(*src_page) + src, len); kunmap(*src_page); set_page_dirty(*dst_page); kunmap(*dst_page); @@ -250,14 +251,16 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) if (src == dst) { l = min(len, (int)PAGE_CACHE_SIZE - src); - memmove(kmap(*dst_page) + src, kmap(*src_page) + src, l); + memmove(kmap(*dst_page) + src, + kmap(*src_page) + src, l); kunmap(*src_page); set_page_dirty(*dst_page); kunmap(*dst_page); while ((len -= l) != 0) { l = min(len, (int)PAGE_CACHE_SIZE); - memmove(kmap(*++dst_page), kmap(*++src_page), l); + memmove(kmap(*++dst_page), + kmap(*++src_page), l); kunmap(*src_page); set_page_dirty(*dst_page); kunmap(*dst_page); @@ -268,7 +271,8 @@ void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len) do { src_ptr = kmap(*src_page) + src; dst_ptr = kmap(*dst_page) + dst; - if (PAGE_CACHE_SIZE - src < PAGE_CACHE_SIZE - dst) { + if (PAGE_CACHE_SIZE - src < + PAGE_CACHE_SIZE - dst) { l = PAGE_CACHE_SIZE - src; src = 0; dst += l; @@ -340,7 +344,8 @@ void hfs_bnode_unlink(struct hfs_bnode *node) return; tmp->next = node->next; cnid = cpu_to_be32(tmp->next); - hfs_bnode_write(tmp, &cnid, offsetof(struct hfs_bnode_desc, next), 4); + hfs_bnode_write(tmp, &cnid, + offsetof(struct hfs_bnode_desc, next), 4); hfs_bnode_put(tmp); } else if (node->type == HFS_NODE_LEAF) tree->leaf_head = node->next; @@ -351,15 +356,15 @@ void hfs_bnode_unlink(struct hfs_bnode *node) return; tmp->prev = node->prev; cnid = cpu_to_be32(tmp->prev); - hfs_bnode_write(tmp, &cnid, offsetof(struct hfs_bnode_desc, prev), 4); + hfs_bnode_write(tmp, &cnid, + offsetof(struct hfs_bnode_desc, prev), 4); hfs_bnode_put(tmp); } else if (node->type == HFS_NODE_LEAF) tree->leaf_tail = node->prev; - // move down? - if (!node->prev && !node->next) { - printk(KERN_DEBUG "hfs_btree_del_level\n"); - } + /* move down? */ + if (!node->prev && !node->next) + dprint(DBG_BNODE_MOD, "hfs_btree_del_level\n"); if (!node->parent) { tree->root = 0; tree->depth = 0; @@ -379,16 +384,16 @@ struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *tree, u32 cnid) struct hfs_bnode *node; if (cnid >= tree->node_count) { - printk(KERN_ERR "hfs: request for non-existent node %d in B*Tree\n", cnid); + printk(KERN_ERR "hfs: request for non-existent node " + "%d in B*Tree\n", + cnid); return NULL; } for (node = tree->node_hash[hfs_bnode_hash(cnid)]; - node; node = node->next_hash) { - if (node->this == cnid) { + node; node = node->next_hash) + if (node->this == cnid) return node; - } - } return NULL; } @@ -402,7 +407,9 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid) loff_t off; if (cnid >= tree->node_count) { - printk(KERN_ERR "hfs: request for non-existent node %d in B*Tree\n", cnid); + printk(KERN_ERR "hfs: request for non-existent node " + "%d in B*Tree\n", + cnid); return NULL; } @@ -429,7 +436,8 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid) } else { spin_unlock(&tree->hash_lock); kfree(node); - wait_event(node2->lock_wq, !test_bit(HFS_BNODE_NEW, &node2->flags)); + wait_event(node2->lock_wq, + !test_bit(HFS_BNODE_NEW, &node2->flags)); return node2; } spin_unlock(&tree->hash_lock); @@ -483,7 +491,8 @@ struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num) if (node) { hfs_bnode_get(node); spin_unlock(&tree->hash_lock); - wait_event(node->lock_wq, !test_bit(HFS_BNODE_NEW, &node->flags)); + wait_event(node->lock_wq, + !test_bit(HFS_BNODE_NEW, &node->flags)); if (test_bit(HFS_BNODE_ERROR, &node->flags)) goto node_error; return node; @@ -497,7 +506,8 @@ struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num) if (!test_bit(HFS_BNODE_NEW, &node->flags)) return node; - desc = (struct hfs_bnode_desc *)(kmap(node->page[0]) + node->page_offset); + desc = (struct hfs_bnode_desc *)(kmap(node->page[0]) + + node->page_offset); node->prev = be32_to_cpu(desc->prev); node->next = be32_to_cpu(desc->next); node->num_recs = be16_to_cpu(desc->num_recs); @@ -556,11 +566,13 @@ node_error: void hfs_bnode_free(struct hfs_bnode *node) { - //int i; +#if 0 + int i; - //for (i = 0; i < node->tree->pages_per_bnode; i++) - // if (node->page[i]) - // page_cache_release(node->page[i]); + for (i = 0; i < node->tree->pages_per_bnode; i++) + if (node->page[i]) + page_cache_release(node->page[i]); +#endif kfree(node); } @@ -607,7 +619,8 @@ void hfs_bnode_get(struct hfs_bnode *node) if (node) { atomic_inc(&node->refcnt); dprint(DBG_BNODE_REFS, "get_node(%d:%d): %d\n", - node->tree->cnid, node->this, atomic_read(&node->refcnt)); + node->tree->cnid, node->this, + atomic_read(&node->refcnt)); } } @@ -619,7 +632,8 @@ void hfs_bnode_put(struct hfs_bnode *node) int i; dprint(DBG_BNODE_REFS, "put_node(%d:%d): %d\n", - node->tree->cnid, node->this, atomic_read(&node->refcnt)); + node->tree->cnid, node->this, + atomic_read(&node->refcnt)); BUG_ON(!atomic_read(&node->refcnt)); if (!atomic_dec_and_lock(&node->refcnt, &tree->hash_lock)) return; diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c index 2f39d05443e..2312de34bd4 100644 --- a/fs/hfsplus/brec.c +++ b/fs/hfsplus/brec.c @@ -39,7 +39,8 @@ u16 hfs_brec_keylen(struct hfs_bnode *node, u16 rec) !(node->tree->attributes & HFS_TREE_VARIDXKEYS)) { retval = node->tree->max_key_len + 2; } else { - recoff = hfs_bnode_read_u16(node, node->tree->node_size - (rec + 1) * 2); + recoff = hfs_bnode_read_u16(node, + node->tree->node_size - (rec + 1) * 2); if (!recoff) return 0; @@ -84,7 +85,8 @@ again: end_rec_off = tree->node_size - (node->num_recs + 1) * 2; end_off = hfs_bnode_read_u16(node, end_rec_off); end_rec_off -= 2; - dprint(DBG_BNODE_MOD, "insert_rec: %d, %d, %d, %d\n", rec, size, end_off, end_rec_off); + dprint(DBG_BNODE_MOD, "insert_rec: %d, %d, %d, %d\n", + rec, size, end_off, end_rec_off); if (size > end_rec_off - end_off) { if (new_node) panic("not enough room!\n"); @@ -99,7 +101,9 @@ again: } node->num_recs++; /* write new last offset */ - hfs_bnode_write_u16(node, offsetof(struct hfs_bnode_desc, num_recs), node->num_recs); + hfs_bnode_write_u16(node, + offsetof(struct hfs_bnode_desc, num_recs), + node->num_recs); hfs_bnode_write_u16(node, end_rec_off, end_off + size); data_off = end_off; data_rec_off = end_rec_off + 2; @@ -151,7 +155,8 @@ skip: if (tree->attributes & HFS_TREE_VARIDXKEYS) key_len = be16_to_cpu(fd->search_key->key_len) + 2; else { - fd->search_key->key_len = cpu_to_be16(tree->max_key_len); + fd->search_key->key_len = + cpu_to_be16(tree->max_key_len); key_len = tree->max_key_len + 2; } goto again; @@ -180,7 +185,8 @@ again: mark_inode_dirty(tree->inode); } hfs_bnode_dump(node); - dprint(DBG_BNODE_MOD, "remove_rec: %d, %d\n", fd->record, fd->keylength + fd->entrylength); + dprint(DBG_BNODE_MOD, "remove_rec: %d, %d\n", + fd->record, fd->keylength + fd->entrylength); if (!--node->num_recs) { hfs_bnode_unlink(node); if (!node->parent) @@ -194,7 +200,9 @@ again: __hfs_brec_find(node, fd); goto again; } - hfs_bnode_write_u16(node, offsetof(struct hfs_bnode_desc, num_recs), node->num_recs); + hfs_bnode_write_u16(node, + offsetof(struct hfs_bnode_desc, num_recs), + node->num_recs); if (rec_off == end_off) goto skip; @@ -364,7 +372,8 @@ again: newkeylen = hfs_bnode_read_u16(node, 14) + 2; else fd->keylength = newkeylen = tree->max_key_len + 2; - dprint(DBG_BNODE_MOD, "update_rec: %d, %d, %d\n", rec, fd->keylength, newkeylen); + dprint(DBG_BNODE_MOD, "update_rec: %d, %d, %d\n", + rec, fd->keylength, newkeylen); rec_off = tree->node_size - (rec + 2) * 2; end_rec_off = tree->node_size - (parent->num_recs + 1) * 2; @@ -375,7 +384,7 @@ again: end_off = hfs_bnode_read_u16(parent, end_rec_off); if (end_rec_off - end_off < diff) { - printk(KERN_DEBUG "hfs: splitting index node...\n"); + dprint(DBG_BNODE_MOD, "hfs: splitting index node.\n"); fd->bnode = parent; new_node = hfs_bnode_split(fd); if (IS_ERR(new_node)) @@ -383,7 +392,8 @@ again: parent = fd->bnode; rec = fd->record; rec_off = tree->node_size - (rec + 2) * 2; - end_rec_off = tree->node_size - (parent->num_recs + 1) * 2; + end_rec_off = tree->node_size - + (parent->num_recs + 1) * 2; } } diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index 22e4d4e3299..21023d9f8ff 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -51,7 +51,8 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) goto free_inode; /* Load the header */ - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap(page) + + sizeof(struct hfs_bnode_desc)); tree->root = be32_to_cpu(head->root); tree->leaf_count = be32_to_cpu(head->leaf_count); tree->leaf_head = be32_to_cpu(head->leaf_head); @@ -115,7 +116,9 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) tree->node_size_shift = ffs(size) - 1; - tree->pages_per_bnode = (tree->node_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + tree->pages_per_bnode = + (tree->node_size + PAGE_CACHE_SIZE - 1) >> + PAGE_CACHE_SHIFT; kunmap(page); page_cache_release(page); @@ -144,8 +147,10 @@ void hfs_btree_close(struct hfs_btree *tree) while ((node = tree->node_hash[i])) { tree->node_hash[i] = node->next_hash; if (atomic_read(&node->refcnt)) - printk(KERN_CRIT "hfs: node %d:%d still has %d user(s)!\n", - node->tree->cnid, node->this, atomic_read(&node->refcnt)); + printk(KERN_CRIT "hfs: node %d:%d " + "still has %d user(s)!\n", + node->tree->cnid, node->this, + atomic_read(&node->refcnt)); hfs_bnode_free(node); tree->node_hash_cnt--; } @@ -166,7 +171,8 @@ void hfs_btree_write(struct hfs_btree *tree) return; /* Load the header */ page = node->page[0]; - head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); + head = (struct hfs_btree_header_rec *)(kmap(page) + + sizeof(struct hfs_bnode_desc)); head->root = cpu_to_be32(tree->root); head->leaf_count = cpu_to_be32(tree->leaf_count); @@ -272,7 +278,8 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) tree->free_nodes--; mark_inode_dirty(tree->inode); hfs_bnode_put(node); - return hfs_bnode_create(tree, idx); + return hfs_bnode_create(tree, + idx); } } } @@ -287,7 +294,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) kunmap(*pagep); nidx = node->next; if (!nidx) { - printk(KERN_DEBUG "hfs: create new bmap node...\n"); + dprint(DBG_BNODE_MOD, "hfs: create new bmap node.\n"); next_node = hfs_bmap_new_bmap(node, idx); } else next_node = hfs_bnode_find(tree, nidx); @@ -329,7 +336,9 @@ void hfs_bmap_free(struct hfs_bnode *node) hfs_bnode_put(node); if (!i) { /* panic */; - printk(KERN_CRIT "hfs: unable to free bnode %u. bmap not found!\n", node->this); + printk(KERN_CRIT "hfs: unable to free bnode %u. " + "bmap not found!\n", + node->this); return; } node = hfs_bnode_find(tree, i); @@ -337,7 +346,9 @@ void hfs_bmap_free(struct hfs_bnode *node) return; if (node->type != HFS_NODE_MAP) { /* panic */; - printk(KERN_CRIT "hfs: invalid bmap found! (%u,%d)\n", node->this, node->type); + printk(KERN_CRIT "hfs: invalid bmap found! " + "(%u,%d)\n", + node->this, node->type); hfs_bnode_put(node); return; } @@ -350,7 +361,9 @@ void hfs_bmap_free(struct hfs_bnode *node) m = 1 << (~nidx & 7); byte = data[off]; if (!(byte & m)) { - printk(KERN_CRIT "hfs: trying to free free bnode %u(%d)\n", node->this, node->type); + printk(KERN_CRIT "hfs: trying to free free bnode " + "%u(%d)\n", + node->this, node->type); kunmap(page); hfs_bnode_put(node); return; diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c index 8af45fc5b05..b4ba1b31933 100644 --- a/fs/hfsplus/catalog.c +++ b/fs/hfsplus/catalog.c @@ -91,7 +91,8 @@ void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms) perms->dev = 0; } -static int hfsplus_cat_build_record(hfsplus_cat_entry *entry, u32 cnid, struct inode *inode) +static int hfsplus_cat_build_record(hfsplus_cat_entry *entry, + u32 cnid, struct inode *inode) { struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); @@ -128,20 +129,32 @@ static int hfsplus_cat_build_record(hfsplus_cat_entry *entry, u32 cnid, struct i if (cnid == inode->i_ino) { hfsplus_cat_set_perms(inode, &file->permissions); if (S_ISLNK(inode->i_mode)) { - file->user_info.fdType = cpu_to_be32(HFSP_SYMLINK_TYPE); - file->user_info.fdCreator = cpu_to_be32(HFSP_SYMLINK_CREATOR); + file->user_info.fdType = + cpu_to_be32(HFSP_SYMLINK_TYPE); + file->user_info.fdCreator = + cpu_to_be32(HFSP_SYMLINK_CREATOR); } else { - file->user_info.fdType = cpu_to_be32(sbi->type); - file->user_info.fdCreator = cpu_to_be32(sbi->creator); + file->user_info.fdType = + cpu_to_be32(sbi->type); + file->user_info.fdCreator = + cpu_to_be32(sbi->creator); } - if ((file->permissions.rootflags | file->permissions.userflags) & HFSPLUS_FLG_IMMUTABLE) - file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED); + if (HFSPLUS_FLG_IMMUTABLE & + (file->permissions.rootflags | + file->permissions.userflags)) + file->flags |= + cpu_to_be16(HFSPLUS_FILE_LOCKED); } else { - file->user_info.fdType = cpu_to_be32(HFSP_HARDLINK_TYPE); - file->user_info.fdCreator = cpu_to_be32(HFSP_HFSPLUS_CREATOR); - file->user_info.fdFlags = cpu_to_be16(0x100); - file->create_date = HFSPLUS_I(sbi->hidden_dir)->create_date; - file->permissions.dev = cpu_to_be32(HFSPLUS_I(inode)->linkid); + file->user_info.fdType = + cpu_to_be32(HFSP_HARDLINK_TYPE); + file->user_info.fdCreator = + cpu_to_be32(HFSP_HFSPLUS_CREATOR); + file->user_info.fdFlags = + cpu_to_be16(0x100); + file->create_date = + HFSPLUS_I(sbi->hidden_dir)->create_date; + file->permissions.dev = + cpu_to_be32(HFSPLUS_I(inode)->linkid); } return sizeof(*file); } @@ -182,12 +195,14 @@ int hfsplus_find_cat(struct super_block *sb, u32 cnid, return -EIO; } - hfsplus_cat_build_key_uni(fd->search_key, be32_to_cpu(tmp.thread.parentID), - &tmp.thread.nodeName); + hfsplus_cat_build_key_uni(fd->search_key, + be32_to_cpu(tmp.thread.parentID), + &tmp.thread.nodeName); return hfs_brec_find(fd); } -int hfsplus_create_cat(u32 cnid, struct inode *dir, struct qstr *str, struct inode *inode) +int hfsplus_create_cat(u32 cnid, struct inode *dir, + struct qstr *str, struct inode *inode) { struct super_block *sb = dir->i_sb; struct hfs_find_data fd; @@ -195,13 +210,15 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir, struct qstr *str, struct ino int entry_size; int err; - dprint(DBG_CAT_MOD, "create_cat: %s,%u(%d)\n", str->name, cnid, inode->i_nlink); + dprint(DBG_CAT_MOD, "create_cat: %s,%u(%d)\n", + str->name, cnid, inode->i_nlink); hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL); - entry_size = hfsplus_fill_cat_thread(sb, &entry, S_ISDIR(inode->i_mode) ? + entry_size = hfsplus_fill_cat_thread(sb, &entry, + S_ISDIR(inode->i_mode) ? HFSPLUS_FOLDER_THREAD : HFSPLUS_FILE_THREAD, - dir->i_ino, str); + dir->i_ino, str); err = hfs_brec_find(&fd); if (err != -ENOENT) { if (!err) @@ -227,7 +244,8 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir, struct qstr *str, struct ino dir->i_size++; dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(dir); + hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); + hfs_find_exit(&fd); return 0; @@ -249,7 +267,8 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) int err, off; u16 type; - dprint(DBG_CAT_MOD, "delete_cat: %s,%u\n", str ? str->name : NULL, cnid); + dprint(DBG_CAT_MOD, "delete_cat: %s,%u\n", + str ? str->name : NULL, cnid); hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); if (!str) { @@ -260,11 +279,15 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) if (err) goto out; - off = fd.entryoffset + offsetof(struct hfsplus_cat_thread, nodeName); + off = fd.entryoffset + + offsetof(struct hfsplus_cat_thread, nodeName); fd.search_key->cat.parent = cpu_to_be32(dir->i_ino); - hfs_bnode_read(fd.bnode, &fd.search_key->cat.name.length, off, 2); + hfs_bnode_read(fd.bnode, + &fd.search_key->cat.name.length, off, 2); len = be16_to_cpu(fd.search_key->cat.name.length) * 2; - hfs_bnode_read(fd.bnode, &fd.search_key->cat.name.unicode, off + 2, len); + hfs_bnode_read(fd.bnode, + &fd.search_key->cat.name.unicode, + off + 2, len); fd.search_key->key_len = cpu_to_be16(6 + len); } else hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str); @@ -281,7 +304,8 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) hfsplus_free_fork(sb, cnid, &fork, HFSPLUS_TYPE_DATA); #endif - off = fd.entryoffset + offsetof(struct hfsplus_cat_file, rsrc_fork); + off = fd.entryoffset + + offsetof(struct hfsplus_cat_file, rsrc_fork); hfs_bnode_read(fd.bnode, &fork, off, sizeof(fork)); hfsplus_free_fork(sb, cnid, &fork, HFSPLUS_TYPE_RSRC); } @@ -308,7 +332,7 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) dir->i_size--; dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(dir); + hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); out: hfs_find_exit(&fd); @@ -325,7 +349,8 @@ int hfsplus_rename_cat(u32 cnid, int entry_size, type; int err = 0; - dprint(DBG_CAT_MOD, "rename_cat: %u - %lu,%s - %lu,%s\n", cnid, src_dir->i_ino, src_name->name, + dprint(DBG_CAT_MOD, "rename_cat: %u - %lu,%s - %lu,%s\n", + cnid, src_dir->i_ino, src_name->name, dst_dir->i_ino, dst_name->name); hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &src_fd); dst_fd = src_fd; @@ -353,7 +378,6 @@ int hfsplus_rename_cat(u32 cnid, goto out; dst_dir->i_size++; dst_dir->i_mtime = dst_dir->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(dst_dir); /* finally remove the old entry */ hfsplus_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name); @@ -365,7 +389,6 @@ int hfsplus_rename_cat(u32 cnid, goto out; src_dir->i_size--; src_dir->i_mtime = src_dir->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(src_dir); /* remove old thread entry */ hfsplus_cat_build_key(sb, src_fd.search_key, cnid, NULL); @@ -379,7 +402,8 @@ int hfsplus_rename_cat(u32 cnid, /* create new thread entry */ hfsplus_cat_build_key(sb, dst_fd.search_key, cnid, NULL); - entry_size = hfsplus_fill_cat_thread(sb, &entry, type, dst_dir->i_ino, dst_name); + entry_size = hfsplus_fill_cat_thread(sb, &entry, type, + dst_dir->i_ino, dst_name); err = hfs_brec_find(&dst_fd); if (err != -ENOENT) { if (!err) @@ -387,6 +411,9 @@ int hfsplus_rename_cat(u32 cnid, goto out; } err = hfs_brec_insert(&dst_fd, &entry, entry_size); + + hfsplus_mark_inode_dirty(dst_dir, HFSPLUS_I_CAT_DIRTY); + hfsplus_mark_inode_dirty(src_dir, HFSPLUS_I_CAT_DIRTY); out: hfs_bnode_put(dst_fd.bnode); hfs_find_exit(&src_fd); diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index ccab87145f7..f896dc84302 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -66,11 +66,17 @@ again: goto fail; } cnid = be32_to_cpu(entry.file.id); - if (entry.file.user_info.fdType == cpu_to_be32(HFSP_HARDLINK_TYPE) && - entry.file.user_info.fdCreator == cpu_to_be32(HFSP_HFSPLUS_CREATOR) && - (entry.file.create_date == HFSPLUS_I(HFSPLUS_SB(sb)->hidden_dir)->create_date || - entry.file.create_date == HFSPLUS_I(sb->s_root->d_inode)->create_date) && - HFSPLUS_SB(sb)->hidden_dir) { + if (entry.file.user_info.fdType == + cpu_to_be32(HFSP_HARDLINK_TYPE) && + entry.file.user_info.fdCreator == + cpu_to_be32(HFSP_HFSPLUS_CREATOR) && + (entry.file.create_date == + HFSPLUS_I(HFSPLUS_SB(sb)->hidden_dir)-> + create_date || + entry.file.create_date == + HFSPLUS_I(sb->s_root->d_inode)-> + create_date) && + HFSPLUS_SB(sb)->hidden_dir) { struct qstr str; char name[32]; @@ -83,11 +89,13 @@ again: linkid = 0; } else { dentry->d_fsdata = (void *)(unsigned long)cnid; - linkid = be32_to_cpu(entry.file.permissions.dev); + linkid = + be32_to_cpu(entry.file.permissions.dev); str.len = sprintf(name, "iNode%d", linkid); str.name = name; hfsplus_cat_build_key(sb, fd.search_key, - HFSPLUS_SB(sb)->hidden_dir->i_ino, &str); + HFSPLUS_SB(sb)->hidden_dir->i_ino, + &str); goto again; } } else if (!dentry->d_fsdata) @@ -139,7 +147,8 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) filp->f_pos++; /* fall through */ case 1: - hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, fd.entrylength); + hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, + fd.entrylength); if (be16_to_cpu(entry.type) != HFSPLUS_FOLDER_THREAD) { printk(KERN_ERR "hfs: bad catalog folder thread\n"); err = -EIO; @@ -169,14 +178,16 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) err = -EIO; goto out; } - hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, fd.entrylength); + hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, + fd.entrylength); type = be16_to_cpu(entry.type); len = HFSPLUS_MAX_STRLEN; err = hfsplus_uni2asc(sb, &fd.key->cat.name, strbuf, &len); if (err) goto out; if (type == HFSPLUS_FOLDER) { - if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) { + if (fd.entrylength < + sizeof(struct hfsplus_cat_folder)) { printk(KERN_ERR "hfs: small dir entry\n"); err = -EIO; goto out; @@ -202,7 +213,7 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) err = -EIO; goto out; } - next: +next: filp->f_pos++; if (filp->f_pos >= inode->i_size) goto out; @@ -273,7 +284,8 @@ static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, HFSPLUS_I(inode)->linkid = id; cnid = sbi->next_cnid++; src_dentry->d_fsdata = (void *)(unsigned long)cnid; - res = hfsplus_create_cat(cnid, src_dir, &src_dentry->d_name, inode); + res = hfsplus_create_cat(cnid, src_dir, + &src_dentry->d_name, inode); if (res) /* panic? */ goto out; @@ -485,6 +497,7 @@ const struct inode_operations hfsplus_dir_inode_operations = { }; const struct file_operations hfsplus_dir_operations = { + .fsync = hfsplus_file_fsync, .read = generic_read_dir, .readdir = hfsplus_readdir, .unlocked_ioctl = hfsplus_ioctl, diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 0c9cb1820a5..52a0bcaa7b6 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -83,7 +83,8 @@ static u32 hfsplus_ext_lastblock(struct hfsplus_extent *ext) return be32_to_cpu(ext->start_block) + be32_to_cpu(ext->block_count); } -static void __hfsplus_ext_write_extent(struct inode *inode, struct hfs_find_data *fd) +static void __hfsplus_ext_write_extent(struct inode *inode, + struct hfs_find_data *fd) { struct hfsplus_inode_info *hip = HFSPLUS_I(inode); int res; @@ -95,24 +96,32 @@ static void __hfsplus_ext_write_extent(struct inode *inode, struct hfs_find_data HFSPLUS_TYPE_RSRC : HFSPLUS_TYPE_DATA); res = hfs_brec_find(fd); - if (hip->flags & HFSPLUS_FLG_EXT_NEW) { + if (hip->extent_state & HFSPLUS_EXT_NEW) { if (res != -ENOENT) return; hfs_brec_insert(fd, hip->cached_extents, sizeof(hfsplus_extent_rec)); - hip->flags &= ~(HFSPLUS_FLG_EXT_DIRTY | HFSPLUS_FLG_EXT_NEW); + hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW); } else { if (res) return; hfs_bnode_write(fd->bnode, hip->cached_extents, fd->entryoffset, fd->entrylength); - hip->flags &= ~HFSPLUS_FLG_EXT_DIRTY; + hip->extent_state &= ~HFSPLUS_EXT_DIRTY; } + + /* + * We can't just use hfsplus_mark_inode_dirty here, because we + * also get called from hfsplus_write_inode, which should not + * redirty the inode. Instead the callers have to be careful + * to explicily mark the inode dirty, too. + */ + set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags); } static void hfsplus_ext_write_extent_locked(struct inode *inode) { - if (HFSPLUS_I(inode)->flags & HFSPLUS_FLG_EXT_DIRTY) { + if (HFSPLUS_I(inode)->extent_state & HFSPLUS_EXT_DIRTY) { struct hfs_find_data fd; hfs_find_init(HFSPLUS_SB(inode->i_sb)->ext_tree, &fd); @@ -144,18 +153,20 @@ static inline int __hfsplus_ext_read_extent(struct hfs_find_data *fd, return -ENOENT; if (fd->entrylength != sizeof(hfsplus_extent_rec)) return -EIO; - hfs_bnode_read(fd->bnode, extent, fd->entryoffset, sizeof(hfsplus_extent_rec)); + hfs_bnode_read(fd->bnode, extent, fd->entryoffset, + sizeof(hfsplus_extent_rec)); return 0; } -static inline int __hfsplus_ext_cache_extent(struct hfs_find_data *fd, struct inode *inode, u32 block) +static inline int __hfsplus_ext_cache_extent(struct hfs_find_data *fd, + struct inode *inode, u32 block) { struct hfsplus_inode_info *hip = HFSPLUS_I(inode); int res; WARN_ON(!mutex_is_locked(&hip->extents_lock)); - if (hip->flags & HFSPLUS_FLG_EXT_DIRTY) + if (hip->extent_state & HFSPLUS_EXT_DIRTY) __hfsplus_ext_write_extent(inode, fd); res = __hfsplus_ext_read_extent(fd, hip->cached_extents, inode->i_ino, @@ -164,10 +175,11 @@ static inline int __hfsplus_ext_cache_extent(struct hfs_find_data *fd, struct in HFSPLUS_TYPE_DATA); if (!res) { hip->cached_start = be32_to_cpu(fd->key->ext.start_block); - hip->cached_blocks = hfsplus_ext_block_count(hip->cached_extents); + hip->cached_blocks = + hfsplus_ext_block_count(hip->cached_extents); } else { hip->cached_start = hip->cached_blocks = 0; - hip->flags &= ~(HFSPLUS_FLG_EXT_DIRTY | HFSPLUS_FLG_EXT_NEW); + hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW); } return res; } @@ -197,6 +209,7 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock, struct hfsplus_inode_info *hip = HFSPLUS_I(inode); int res = -EIO; u32 ablock, dblock, mask; + int was_dirty = 0; int shift; /* Convert inode block to disk allocation block */ @@ -223,27 +236,37 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock, return -EIO; mutex_lock(&hip->extents_lock); + + /* + * hfsplus_ext_read_extent will write out a cached extent into + * the extents btree. In that case we may have to mark the inode + * dirty even for a pure read of an extent here. + */ + was_dirty = (hip->extent_state & HFSPLUS_EXT_DIRTY); res = hfsplus_ext_read_extent(inode, ablock); - if (!res) { - dblock = hfsplus_ext_find_block(hip->cached_extents, - ablock - hip->cached_start); - } else { + if (res) { mutex_unlock(&hip->extents_lock); return -EIO; } + dblock = hfsplus_ext_find_block(hip->cached_extents, + ablock - hip->cached_start); mutex_unlock(&hip->extents_lock); done: - dprint(DBG_EXTENT, "get_block(%lu): %llu - %u\n", inode->i_ino, (long long)iblock, dblock); + dprint(DBG_EXTENT, "get_block(%lu): %llu - %u\n", + inode->i_ino, (long long)iblock, dblock); mask = (1 << sbi->fs_shift) - 1; - map_bh(bh_result, sb, (dblock << sbi->fs_shift) + sbi->blockoffset + (iblock & mask)); + map_bh(bh_result, sb, + (dblock << sbi->fs_shift) + sbi->blockoffset + + (iblock & mask)); if (create) { set_buffer_new(bh_result); hip->phys_size += sb->s_blocksize; hip->fs_blocks++; inode_add_bytes(inode, sb->s_blocksize); - mark_inode_dirty(inode); } + if (create || was_dirty) + mark_inode_dirty(inode); return 0; } @@ -326,7 +349,8 @@ found: } } -int hfsplus_free_fork(struct super_block *sb, u32 cnid, struct hfsplus_fork_raw *fork, int type) +int hfsplus_free_fork(struct super_block *sb, u32 cnid, + struct hfsplus_fork_raw *fork, int type) { struct hfs_find_data fd; hfsplus_extent_rec ext_entry; @@ -373,12 +397,13 @@ int hfsplus_file_extend(struct inode *inode) u32 start, len, goal; int res; - if (sbi->alloc_file->i_size * 8 < - sbi->total_blocks - sbi->free_blocks + 8) { - // extend alloc file - printk(KERN_ERR "hfs: extend alloc file! (%Lu,%u,%u)\n", - sbi->alloc_file->i_size * 8, - sbi->total_blocks, sbi->free_blocks); + if (sbi->total_blocks - sbi->free_blocks + 8 > + sbi->alloc_file->i_size * 8) { + /* extend alloc file */ + printk(KERN_ERR "hfs: extend alloc file! " + "(%llu,%u,%u)\n", + sbi->alloc_file->i_size * 8, + sbi->total_blocks, sbi->free_blocks); return -ENOSPC; } @@ -429,7 +454,7 @@ int |