#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/mpage.h>
+#include <linux/sched.h>
#include "hfsplus_fs.h"
#include "hfsplus_raw.h"
static int hfsplus_readpage(struct file *file, struct page *page)
{
- //printk("readpage: %lu\n", page->index);
return block_read_full_page(page, hfsplus_get_block);
}
static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
{
- //printk("writepage: %lu\n", page->index);
return block_write_full_page(page, hfsplus_get_block, wbc);
}
-static int hfsplus_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
+static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
{
- return cont_prepare_write(page, from, to, hfsplus_get_block,
- &HFSPLUS_I(page->mapping->host).phys_size);
+ *pagep = NULL;
+ return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+ hfsplus_get_block,
+ &HFSPLUS_I(mapping->host).phys_size);
}
static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
BUG();
return 0;
}
+ if (!tree)
+ return 0;
if (tree->node_size >= PAGE_CACHE_SIZE) {
nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT);
spin_lock(&tree->hash_lock);
} while (--i && nidx < tree->node_count);
spin_unlock(&tree->hash_lock);
}
- //printk("releasepage: %lu,%x = %d\n", page->index, mask, res);
return res ? try_to_free_buffers(page) : 0;
}
-static int hfsplus_get_blocks(struct inode *inode, sector_t iblock, unsigned long max_blocks,
- struct buffer_head *bh_result, int create)
-{
- int ret;
-
- ret = hfsplus_get_block(inode, iblock, bh_result, create);
- if (!ret)
- bh_result->b_size = (1 << inode->i_blkbits);
- return ret;
-}
-
static ssize_t hfsplus_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, hfsplus_get_blocks, NULL);
+ offset, nr_segs, hfsplus_get_block, NULL);
}
static int hfsplus_writepages(struct address_space *mapping,
return mpage_writepages(mapping, wbc, hfsplus_get_block);
}
-struct address_space_operations hfsplus_btree_aops = {
+const struct address_space_operations hfsplus_btree_aops = {
.readpage = hfsplus_readpage,
.writepage = hfsplus_writepage,
.sync_page = block_sync_page,
- .prepare_write = hfsplus_prepare_write,
- .commit_write = generic_commit_write,
+ .write_begin = hfsplus_write_begin,
+ .write_end = generic_write_end,
.bmap = hfsplus_bmap,
.releasepage = hfsplus_releasepage,
};
-struct address_space_operations hfsplus_aops = {
+const struct address_space_operations hfsplus_aops = {
.readpage = hfsplus_readpage,
.writepage = hfsplus_writepage,
.sync_page = block_sync_page,
- .prepare_write = hfsplus_prepare_write,
- .commit_write = generic_commit_write,
+ .write_begin = hfsplus_write_begin,
+ .write_end = generic_write_end,
.bmap = hfsplus_bmap,
.direct_IO = hfsplus_direct_IO,
.writepages = hfsplus_writepages,
};
+const struct dentry_operations hfsplus_dentry_operations = {
+ .d_hash = hfsplus_hash_dentry,
+ .d_compare = hfsplus_compare_dentry,
+};
+
static struct dentry *hfsplus_file_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
inode->i_ino = dir->i_ino;
INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
- init_MUTEX(&HFSPLUS_I(inode).extents_lock);
+ mutex_init(&HFSPLUS_I(inode).extents_lock);
HFSPLUS_I(inode).flags = HFSPLUS_FLG_RSRC;
hfs_find_init(HFSPLUS_SB(sb).cat_tree, &fd);
igrab(dir);
hlist_add_head(&inode->i_hash, &HFSPLUS_SB(sb).rsrc_inodes);
mark_inode_dirty(inode);
- {
- void hfsplus_inode_check(struct super_block *sb);
- atomic_inc(&HFSPLUS_SB(sb).inode_cnt);
- hfsplus_inode_check(sb);
- }
out:
d_add(dentry, inode);
return NULL;
perms->dev = cpu_to_be32(HFSPLUS_I(inode).dev);
}
-static int hfsplus_permission(struct inode *inode, int mask, struct nameidata *nd)
-{
- /* MAY_EXEC is also used for lookup, if no x bit is set allow lookup,
- * open_exec has the same test, so it's still not executable, if a x bit
- * is set fall back to standard permission check.
- */
- if (S_ISREG(inode->i_mode) && mask & MAY_EXEC && !(inode->i_mode & 0111))
- return 0;
- return generic_permission(inode, mask, NULL);
-}
-
-
static int hfsplus_file_open(struct inode *inode, struct file *file)
{
if (HFSPLUS_IS_RSRC(inode))
inode = HFSPLUS_I(inode).rsrc_inode;
- if (atomic_read(&file->f_count) != 1)
- return 0;
+ if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
+ return -EOVERFLOW;
atomic_inc(&HFSPLUS_I(inode).opencnt);
return 0;
}
if (HFSPLUS_IS_RSRC(inode))
inode = HFSPLUS_I(inode).rsrc_inode;
- if (atomic_read(&file->f_count) != 0)
- return 0;
if (atomic_dec_and_test(&HFSPLUS_I(inode).opencnt)) {
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
hfsplus_file_truncate(inode);
if (inode->i_flags & S_DEAD) {
hfsplus_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
hfsplus_delete_inode(inode);
}
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
}
return 0;
}
-extern struct inode_operations hfsplus_dir_inode_operations;
-extern struct file_operations hfsplus_dir_operations;
-
-static struct inode_operations hfsplus_file_inode_operations = {
+static const struct inode_operations hfsplus_file_inode_operations = {
.lookup = hfsplus_file_lookup,
.truncate = hfsplus_file_truncate,
- .permission = hfsplus_permission,
.setxattr = hfsplus_setxattr,
.getxattr = hfsplus_getxattr,
.listxattr = hfsplus_listxattr,
};
-static struct file_operations hfsplus_file_operations = {
+static const struct file_operations hfsplus_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,
+ .splice_read = generic_file_splice_read,
.fsync = file_fsync,
.open = hfsplus_file_open,
.release = hfsplus_file_release,
if (!inode)
return NULL;
- {
- void hfsplus_inode_check(struct super_block *sb);
- atomic_inc(&HFSPLUS_SB(sb).inode_cnt);
- hfsplus_inode_check(sb);
- }
inode->i_ino = HFSPLUS_SB(sb).next_cnid++;
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ 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_SEC;
- inode->i_blksize = HFSPLUS_SB(sb).alloc_blksz;
INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
- init_MUTEX(&HFSPLUS_I(inode).extents_lock);
+ mutex_init(&HFSPLUS_I(inode).extents_lock);
atomic_set(&HFSPLUS_I(inode).opencnt, 0);
HFSPLUS_I(inode).flags = 0;
memset(HFSPLUS_I(inode).first_extents, 0, sizeof(hfsplus_extent_rec));
type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
HFSPLUS_I(inode).dev = 0;
- inode->i_blksize = HFSPLUS_SB(inode->i_sb).alloc_blksz;
if (type == HFSPLUS_FOLDER) {
struct hfsplus_cat_folder *folder = &entry.folder;
inode->i_size = 2 + be32_to_cpu(folder->valence);
inode->i_atime = hfsp_mt2ut(folder->access_date);
inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
- inode->i_ctime = inode->i_mtime;
+ inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
+ HFSPLUS_I(inode).create_date = folder->create_date;
HFSPLUS_I(inode).fs_blocks = 0;
inode->i_op = &hfsplus_dir_inode_operations;
inode->i_fop = &hfsplus_dir_operations;
}
inode->i_atime = hfsp_mt2ut(file->access_date);
inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
- inode->i_ctime = inode->i_mtime;
+ inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
+ HFSPLUS_I(inode).create_date = file->create_date;
} else {
- printk("HFS+-fs: bad catalog entry used to create inode\n");
+ printk(KERN_ERR "hfs: bad catalog entry used to create inode\n");
res = -EIO;
}
return res;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff