* Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
*/
-#include <linux/config.h>
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/reiserfs_fs.h>
#include <linux/writeback.h>
#include <linux/quotaops.h>
#include <linux/vs_dlimit.h>
-#include <linux/vserver/xid.h>
-
-extern int reiserfs_default_io_size; /* default io size devuned in super.c */
+#include <linux/vs_tag.h>
static int reiserfs_commit_write(struct file *f, struct page *page,
unsigned from, unsigned to);
/* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */
if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) { /* also handles bad_inode case */
- mutex_lock(&inode->i_mutex);
-
reiserfs_delete_xattrs(inode);
- if (journal_begin(&th, inode->i_sb, jbegin_count)) {
- mutex_unlock(&inode->i_mutex);
+ if (journal_begin(&th, inode->i_sb, jbegin_count))
goto out;
- }
reiserfs_update_inode_transaction(inode);
err = reiserfs_delete_object(&th, inode);
DQUOT_FREE_INODE(inode);
DLIMIT_FREE_INODE(inode);
- if (journal_end(&th, inode->i_sb, jbegin_count)) {
- mutex_unlock(&inode->i_mutex);
+ if (journal_end(&th, inode->i_sb, jbegin_count))
goto out;
- }
-
- mutex_unlock(&inode->i_mutex);
/* check return value from reiserfs_delete_object after
* ending the transaction
}
/*static*/ int restart_transaction(struct reiserfs_transaction_handle *th,
- struct inode *inode, struct path *path)
+ struct inode *inode, struct treepath *path)
{
struct super_block *s = th->t_super;
int len = th->t_blocks_allocated;
BUG_ON(!th->t_trans_id);
BUG_ON(!th->t_refcount);
+ pathrelse(path);
+
/* we cannot restart while nested */
if (th->t_refcount > 1) {
return 0;
}
- pathrelse(path);
reiserfs_update_sd(th, inode);
err = journal_end(th, s, len);
if (!err) {
direct_IO request. */
static int reiserfs_get_blocks_direct_io(struct inode *inode,
sector_t iblock,
- unsigned long max_blocks,
struct buffer_head *bh_result,
int create)
{
long block,
struct inode *inode,
b_blocknr_t * allocated_block_nr,
- struct path *path, int flags)
+ struct treepath *path, int flags)
{
BUG_ON(!th->t_trans_id);
if (blocks_needed == 1) {
un = &unf_single;
} else {
- un = kmalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC); // We need to avoid scheduling.
+ un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC); // We need to avoid scheduling.
if (!un) {
un = &unf_single;
blocks_needed = 1;
max_to_insert = 0;
- } else
- memset(un, 0,
- UNFM_P_SIZE * min(blocks_needed,
- max_to_insert));
+ }
}
if (blocks_needed <= max_to_insert) {
/* we are going to add target block to the file. Use allocated
//
// called by read_locked_inode
-static void init_inode(struct inode *inode, struct path *path)
+static void init_inode(struct inode *inode, struct treepath *path)
{
struct buffer_head *bh;
struct item_head *ih;
ih = PATH_PITEM_HEAD(path);
copy_key(INODE_PKEY(inode), &(ih->ih_key));
- inode->i_blksize = reiserfs_default_io_size;
INIT_LIST_HEAD(&(REISERFS_I(inode)->i_prealloc_list));
REISERFS_I(inode)->i_flags = 0;
REISERFS_I(inode)->i_prealloc_count = 0;
REISERFS_I(inode)->i_trans_id = 0;
REISERFS_I(inode)->i_jl = NULL;
- REISERFS_I(inode)->i_acl_access = NULL;
- REISERFS_I(inode)->i_acl_default = NULL;
- init_rwsem(&REISERFS_I(inode)->xattr_sem);
+ mutex_init(&(REISERFS_I(inode)->i_mmap));
+ reiserfs_init_acl_access(inode);
+ reiserfs_init_acl_default(inode);
+ reiserfs_init_xattr_rwsem(inode);
if (stat_data_v1(ih)) {
struct stat_data_v1 *sd =
sd_attrs_to_i_attrs(sd_v2_attrs(sd), inode);
}
- inode->i_uid = INOXID_UID(XID_TAG(inode), uid, gid);
- inode->i_gid = INOXID_GID(XID_TAG(inode), uid, gid);
- inode->i_xid = INOXID_XID(XID_TAG(inode), uid, gid, 0);
+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, 0);
pathrelse(path);
if (S_ISREG(inode->i_mode)) {
static void inode2sd(void *sd, struct inode *inode, loff_t size)
{
struct stat_data *sd_v2 = (struct stat_data *)sd;
- uid_t uid = XIDINO_UID(XID_TAG(inode), inode->i_uid, inode->i_xid);
- gid_t gid = XIDINO_GID(XID_TAG(inode), inode->i_gid, inode->i_xid);
+ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
+ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
__u16 flags;
set_sd_v2_uid(sd_v2, uid);
/* NOTE, you must prepare the buffer head before sending it here,
** and then log it after the call
*/
-static void update_stat_data(struct path *path, struct inode *inode,
+static void update_stat_data(struct treepath *path, struct inode *inode,
loff_t size)
{
struct buffer_head *bh;
containing "." and ".." entries */
static int reiserfs_new_directory(struct reiserfs_transaction_handle *th,
struct inode *inode,
- struct item_head *ih, struct path *path,
+ struct item_head *ih, struct treepath *path,
struct inode *dir)
{
struct super_block *sb = th->t_super;
containing the body of symlink */
static int reiserfs_new_symlink(struct reiserfs_transaction_handle *th, struct inode *inode, /* Inode of symlink */
struct item_head *ih,
- struct path *path, const char *symname,
+ struct treepath *path, const char *symname,
int item_len)
{
struct super_block *sb = th->t_super;
err = -EDQUOT;
goto out_end_trans;
}
- if (!dir || !dir->i_nlink) {
+ if (!dir->i_nlink) {
err = -EPERM;
goto out_bad_inode;
}
REISERFS_I(inode)->i_attrs =
REISERFS_I(dir)->i_attrs & REISERFS_INHERIT_MASK;
sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode);
- REISERFS_I(inode)->i_acl_access = NULL;
- REISERFS_I(inode)->i_acl_default = NULL;
- init_rwsem(&REISERFS_I(inode)->xattr_sem);
+ mutex_init(&(REISERFS_I(inode)->i_mmap));
+ reiserfs_init_acl_access(inode);
+ reiserfs_init_acl_default(inode);
+ reiserfs_init_xattr_rwsem(inode);
if (old_format_only(sb))
make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
}
// these do not go to on-disk stat data
inode->i_ino = le32_to_cpu(ih.ih_key.k_objectid);
- inode->i_blksize = reiserfs_default_io_size;
// store in in-core inode the key of stat data and version all
// object items will have (directory items will have old offset
* iput doesn't deadlock in reiserfs_delete_xattrs. The locking
* code really needs to be reworked, but this will take care of it
* for now. -jeffm */
+#ifdef CONFIG_REISERFS_FS_POSIX_ACL
if (REISERFS_I(dir)->i_acl_default && !IS_ERR(REISERFS_I(dir)->i_acl_default)) {
reiserfs_write_unlock_xattrs(dir->i_sb);
iput(inode);
reiserfs_write_lock_xattrs(dir->i_sb);
} else
+#endif
iput(inode);
return err;
}
unsigned long end_index = inode->i_size >> PAGE_CACHE_SHIFT;
int error = 0;
unsigned long block;
+ sector_t last_block;
struct buffer_head *head, *bh;
int partial = 0;
int nr = 0;
}
bh = head;
block = page->index << (PAGE_CACHE_SHIFT - s->s_blocksize_bits);
+ last_block = (i_size_read(inode) - 1) >> inode->i_blkbits;
/* first map all the buffers, logging any direct items we find */
do {
- if ((checked || buffer_dirty(bh)) && (!buffer_mapped(bh) ||
- (buffer_mapped(bh)
+ if (block > last_block) {
+ /*
+ * This can happen when the block size is less than
+ * the page size. The corresponding bytes in the page
+ * were zero filled above
+ */
+ clear_buffer_dirty(bh);
+ set_buffer_uptodate(bh);
+ } else if ((checked || buffer_dirty(bh)) &&
+ (!buffer_mapped(bh) || (buffer_mapped(bh)
&& bh->b_blocknr ==
0))) {
/* not mapped yet, or it points to a direct item, search
}
/* clm -- taken from fs/buffer.c:block_invalidate_page */
-static int reiserfs_invalidatepage(struct page *page, unsigned long offset)
+static void reiserfs_invalidatepage(struct page *page, unsigned long offset)
{
struct buffer_head *head, *bh, *next;
struct inode *inode = page->mapping->host;
* The get_block cached value has been unconditionally invalidated,
* so real IO is not possible anymore.
*/
- if (!offset && ret)
+ if (!offset && ret) {
ret = try_to_release_page(page, 0);
+ /* maybe should BUG_ON(!ret); - neilb */
+ }
out:
- return ret;
+ return;
}
static int reiserfs_set_page_dirty(struct page *page)
}
if (error)
goto out;
+ /*
+ * file size is changed, ctime and mtime are
+ * to be updated
+ */
+ attr->ia_valid |= (ATTR_MTIME | ATTR_CTIME);
}
}
if (!error) {
if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
(ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
- (ia_valid & ATTR_XID && attr->ia_xid != inode->i_xid)) {
+ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
error = reiserfs_chown_xattrs(inode, attr);
if (!error) {
inode->i_uid = attr->ia_uid;
if (attr->ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
- if ((attr->ia_valid & ATTR_XID) &&
- IS_TAGXID(inode))
- inode->i_xid = attr->ia_xid;
+ if ((attr->ia_valid & ATTR_TAG) &&
+ IS_TAGGED(inode))
+ inode->i_tag = attr->ia_tag;
mark_inode_dirty(inode);
error =
journal_end(&th, inode->i_sb, jbegin_count);
return error;
}
-struct address_space_operations reiserfs_address_space_operations = {
+const struct address_space_operations reiserfs_address_space_operations = {
.writepage = reiserfs_writepage,
.readpage = reiserfs_readpage,
.readpages = reiserfs_readpages,
git://git.onelab.eu / linux-2.6.git / blobdiff