X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=fs%2Fhfs%2Finode.c;h=5cb7f8fee8d6501d53e8a1931a07feafb502f8c6;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=6c869f3779648adb008b10403e678001e2ef38c2;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 6c869f377..5cb7f8fee 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -12,12 +12,14 @@ */ #include -#include #include #include "hfs_fs.h" #include "btree.h" +static const struct file_operations hfs_file_operations; +static struct inode_operations hfs_file_inode_operations; + /*================ Variable-like macros ================*/ #define HFS_VALID_MODE_BITS (S_IFREG | S_IFDIR | S_IRWXUGO) @@ -43,7 +45,7 @@ static sector_t hfs_bmap(struct address_space *mapping, sector_t block) return generic_block_bmap(mapping, block, hfs_get_block); } -int hfs_releasepage(struct page *page, int mask) +static int hfs_releasepage(struct page *page, gfp_t mask) { struct inode *inode = page->mapping->host; struct super_block *sb = inode->i_sb; @@ -71,12 +73,6 @@ int hfs_releasepage(struct page *page, int mask) ; else if (atomic_read(&node->refcnt)) res = 0; - else for (i = 0; i < tree->pages_per_bnode; i++) { - if (PageActive(node->page[i])) { - res = 0; - break; - } - } if (res && node) { hfs_bnode_unhash(node); hfs_bnode_free(node); @@ -99,29 +95,17 @@ int hfs_releasepage(struct page *page, int mask) } while (--i && nidx < tree->node_count); spin_unlock(&tree->hash_lock); } - //printk("releasepage: %lu,%x = %d\n", page->index, mask, res); - return res; -} - -static int hfs_get_blocks(struct inode *inode, sector_t iblock, unsigned long max_blocks, - struct buffer_head *bh_result, int create) -{ - int ret; - - ret = hfs_get_block(inode, iblock, bh_result, create); - if (!ret) - bh_result->b_size = (1 << inode->i_blkbits); - return ret; + return res ? try_to_free_buffers(page) : 0; } static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_t offset, unsigned long nr_segs) { struct file *file = iocb->ki_filp; - struct inode *inode = file->f_dentry->d_inode->i_mapping->host; + struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host; return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, - offset, nr_segs, hfs_get_blocks, NULL); + offset, nr_segs, hfs_get_block, NULL); } static int hfs_writepages(struct address_space *mapping, @@ -130,7 +114,7 @@ static int hfs_writepages(struct address_space *mapping, return mpage_writepages(mapping, wbc, hfs_get_block); } -struct address_space_operations hfs_btree_aops = { +const struct address_space_operations hfs_btree_aops = { .readpage = hfs_readpage, .writepage = hfs_writepage, .sync_page = block_sync_page, @@ -140,7 +124,7 @@ struct address_space_operations hfs_btree_aops = { .releasepage = hfs_releasepage, }; -struct address_space_operations hfs_aops = { +const struct address_space_operations hfs_aops = { .readpage = hfs_readpage, .writepage = hfs_writepage, .sync_page = block_sync_page, @@ -163,23 +147,26 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) init_MUTEX(&HFS_I(inode)->extents_lock); INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list); - hfs_cat_build_key((btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name); + hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name); inode->i_ino = HFS_SB(sb)->next_id++; inode->i_mode = mode; inode->i_uid = current->fsuid; inode->i_gid = current->fsgid; inode->i_nlink = 1; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; HFS_I(inode)->flags = 0; HFS_I(inode)->rsrc_inode = NULL; - if (S_ISDIR(inode->i_mode)) { + HFS_I(inode)->fs_blocks = 0; + if (S_ISDIR(mode)) { inode->i_size = 2; HFS_SB(sb)->folder_count++; if (dir->i_ino == HFS_ROOT_CNID) HFS_SB(sb)->root_dirs++; inode->i_op = &hfs_dir_inode_operations; inode->i_fop = &hfs_dir_operations; - } else if (S_ISREG(inode->i_mode)) { + inode->i_mode |= S_IRWXUGO; + inode->i_mode &= ~HFS_SB(inode->i_sb)->s_dir_umask; + } else if (S_ISREG(mode)) { HFS_I(inode)->clump_blocks = HFS_SB(sb)->clumpablks; HFS_SB(sb)->file_count++; if (dir->i_ino == HFS_ROOT_CNID) @@ -187,6 +174,10 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) inode->i_op = &hfs_file_inode_operations; inode->i_fop = &hfs_file_operations; inode->i_mapping->a_ops = &hfs_aops; + inode->i_mode |= S_IRUGO|S_IXUGO; + if (mode & S_IWUSR) + inode->i_mode |= S_IWUGO; + inode->i_mode &= ~HFS_SB(inode->i_sb)->s_file_umask; HFS_I(inode)->phys_size = 0; HFS_I(inode)->alloc_blocks = 0; HFS_I(inode)->first_blocks = 0; @@ -243,7 +234,8 @@ void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, HFS_I(inode)->first_blocks = count; inode->i_size = HFS_I(inode)->phys_size = log_size; - inode->i_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; + HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; + inode_set_bytes(inode, HFS_I(inode)->fs_blocks << sb->s_blocksize_bits); HFS_I(inode)->alloc_blocks = be32_to_cpu(phys_size) / HFS_SB(sb)->alloc_blksz; HFS_I(inode)->clump_blocks = clump_size / HFS_SB(sb)->alloc_blksz; @@ -256,7 +248,7 @@ struct hfs_iget_data { hfs_cat_rec *rec; }; -int hfs_test_inode(struct inode *inode, void *data) +static int hfs_test_inode(struct inode *inode, void *data) { struct hfs_iget_data *idata = data; hfs_cat_rec *rec; @@ -276,7 +268,7 @@ int hfs_test_inode(struct inode *inode, void *data) /* * hfs_read_inode */ -int hfs_read_inode(struct inode *inode, void *data) +static int hfs_read_inode(struct inode *inode, void *data) { struct hfs_iget_data *idata = data; struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); @@ -313,22 +305,21 @@ int hfs_read_inode(struct inode *inode, void *data) inode->i_mode = S_IRUGO | S_IXUGO; if (!(rec->file.Flags & HFS_FIL_LOCK)) inode->i_mode |= S_IWUGO; - inode->i_mode &= hsb->s_file_umask; + inode->i_mode &= ~hsb->s_file_umask; inode->i_mode |= S_IFREG; inode->i_ctime = inode->i_atime = inode->i_mtime = hfs_m_to_utime(rec->file.MdDat); inode->i_op = &hfs_file_inode_operations; inode->i_fop = &hfs_file_operations; inode->i_mapping->a_ops = &hfs_aops; - HFS_I(inode)->phys_size = inode->i_size; break; case HFS_CDR_DIR: inode->i_ino = be32_to_cpu(rec->dir.DirID); - inode->i_blocks = 0; inode->i_size = be16_to_cpu(rec->dir.Val) + 2; - inode->i_mode = S_IFDIR | (S_IRWXUGO & hsb->s_dir_umask); + HFS_I(inode)->fs_blocks = 0; + inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask); inode->i_ctime = inode->i_atime = inode->i_mtime = - hfs_m_to_utime(rec->file.MdDat); + hfs_m_to_utime(rec->dir.MdDat); inode->i_op = &hfs_dir_inode_operations; inode->i_fop = &hfs_dir_operations; break; @@ -383,6 +374,7 @@ void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext, int hfs_write_inode(struct inode *inode, int unused) { + struct inode *main_inode = inode; struct hfs_find_data fd; hfs_cat_rec rec; @@ -405,24 +397,22 @@ int hfs_write_inode(struct inode *inode, int unused) } } - if (HFS_IS_RSRC(inode)) { - mark_inode_dirty(HFS_I(inode)->rsrc_inode); - return 0; - } + if (HFS_IS_RSRC(inode)) + main_inode = HFS_I(inode)->rsrc_inode; - if (!inode->i_nlink) + if (!main_inode->i_nlink) return 0; - if (hfs_find_init(HFS_SB(inode->i_sb)->cat_tree, &fd)) + if (hfs_find_init(HFS_SB(main_inode->i_sb)->cat_tree, &fd)) /* panic? */ return -EIO; - fd.search_key->cat = HFS_I(inode)->cat_key; + fd.search_key->cat = HFS_I(main_inode)->cat_key; if (hfs_brec_find(&fd)) /* panic? */ goto out; - if (S_ISDIR(inode->i_mode)) { + if (S_ISDIR(main_inode->i_mode)) { if (fd.entrylength < sizeof(struct hfs_cat_dir)) /* panic? */; hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, @@ -436,6 +426,13 @@ int hfs_write_inode(struct inode *inode, int unused) hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, sizeof(struct hfs_cat_dir)); + } else if (HFS_IS_RSRC(inode)) { + hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, + sizeof(struct hfs_cat_file)); + hfs_inode_write_fork(inode, rec.file.RExtRec, + &rec.file.RLgLen, &rec.file.RPyLen); + hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, + sizeof(struct hfs_cat_file)); } else { if (fd.entrylength < sizeof(struct hfs_cat_file)) /* panic? */; @@ -450,9 +447,6 @@ int hfs_write_inode(struct inode *inode, int unused) else rec.file.Flags |= HFS_FIL_LOCK; hfs_inode_write_fork(inode, rec.file.ExtRec, &rec.file.LgLen, &rec.file.PyLen); - if (HFS_I(inode)->rsrc_inode) - hfs_inode_write_fork(HFS_I(inode)->rsrc_inode, rec.file.RExtRec, - &rec.file.RLgLen, &rec.file.RPyLen); rec.file.MdDat = hfs_u_to_mtime(inode->i_mtime); hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, @@ -517,7 +511,7 @@ static int hfs_permission(struct inode *inode, int mask, { if (S_ISREG(inode->i_mode) && mask & MAY_EXEC) return 0; - return vfs_permission(inode, mask); + return generic_permission(inode, mask, NULL); } static int hfs_file_open(struct inode *inode, struct file *file) @@ -539,13 +533,13 @@ static int hfs_file_release(struct inode *inode, struct file *file) if (atomic_read(&file->f_count) != 0) return 0; if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) { - down(&inode->i_sem); + mutex_lock(&inode->i_mutex); hfs_file_truncate(inode); //if (inode->i_flags & S_DEAD) { // hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL); // hfs_delete_inode(inode); //} - up(&inode->i_sem); + mutex_unlock(&inode->i_mutex); } return 0; } @@ -605,10 +599,12 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) } -struct file_operations hfs_file_operations = { +static const struct file_operations hfs_file_operations = { .llseek = generic_file_llseek, - .read = generic_file_read, - .write = generic_file_write, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .write = do_sync_write, + .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, .sendfile = generic_file_sendfile, .fsync = file_fsync, @@ -616,9 +612,12 @@ struct file_operations hfs_file_operations = { .release = hfs_file_release, }; -struct inode_operations hfs_file_inode_operations = { +static struct inode_operations hfs_file_inode_operations = { .lookup = hfs_file_lookup, .truncate = hfs_file_truncate, .setattr = hfs_inode_setattr, .permission = hfs_permission, + .setxattr = hfs_setxattr, + .getxattr = hfs_getxattr, + .listxattr = hfs_listxattr, };