int reiserfs_prepare_write(struct file *f, struct page *page,
unsigned from, unsigned to);
-void reiserfs_delete_inode(struct inode *inode)
+void reiserfs_evict_inode(struct inode *inode)
{
/* We need blocks for transaction + (user+group) quota update (possibly delete) */
int jbegin_count =
int depth;
int err;
- if (!is_bad_inode(inode))
+ if (!inode->i_nlink && !is_bad_inode(inode))
dquot_initialize(inode);
truncate_inode_pages(&inode->i_data, 0);
+ if (inode->i_nlink)
+ goto no_delete;
depth = reiserfs_write_lock_once(inode->i_sb);
;
}
out:
- clear_inode(inode); /* note this must go after the journal_end to prevent deadlock */
+ end_writeback(inode); /* note this must go after the journal_end to prevent deadlock */
+ dquot_drop(inode);
inode->i_blocks = 0;
reiserfs_write_unlock_once(inode->i_sb, depth);
+
+no_delete:
+ end_writeback(inode);
+ dquot_drop(inode);
}
static void _make_cpu_key(struct cpu_key *key, int version, __u32 dirid,
REISERFS_I(inode)->i_prealloc_count = 0;
REISERFS_I(inode)->i_trans_id = 0;
REISERFS_I(inode)->i_jl = NULL;
- mutex_init(&(REISERFS_I(inode)->i_mmap));
reiserfs_init_xattr_rwsem(inode);
if (stat_data_v1(ih)) {
REISERFS_I(inode)->i_attrs =
REISERFS_I(dir)->i_attrs & REISERFS_INHERIT_MASK;
sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode);
- mutex_init(&(REISERFS_I(inode)->i_mmap));
reiserfs_init_xattr_rwsem(inode);
/* key to search for correct place for new stat data */
old_ref = th->t_refcount;
th->t_refcount++;
}
- ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
- reiserfs_get_block);
+ ret = __block_write_begin(page, pos, len, reiserfs_get_block);
if (ret && reiserfs_transaction_running(inode->i_sb)) {
struct reiserfs_transaction_handle *th = current->journal_info;
/* this gets a little ugly. If reiserfs_get_block returned an
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
+ ssize_t ret;
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
+ ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
offset, nr_segs,
reiserfs_get_blocks_direct_io, NULL);
+
+ /*
+ * In case of error extending write may have instantiated a few
+ * blocks outside i_size. Trim these off again.
+ */
+ if (unlikely((rw & WRITE) && ret < 0)) {
+ loff_t isize = i_size_read(inode);
+ loff_t end = offset + iov_length(iov, nr_segs);
+
+ if (end > isize)
+ vmtruncate(inode, isize);
+ }
+
+ return ret;
}
int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
int depth;
int error;
+ error = inode_change_ok(inode, attr);
+ if (error)
+ return error;
+
/* must be turned off for recursive notify_change calls */
ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
goto out;
}
- error = inode_change_ok(inode, attr);
- if (!error) {
- if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
- error = reiserfs_chown_xattrs(inode, attr);
+ if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
+ struct reiserfs_transaction_handle th;
+ int jbegin_count =
+ 2 *
+ (REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb) +
+ REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb)) +
+ 2;
- if (!error) {
- struct reiserfs_transaction_handle th;
- int jbegin_count =
- 2 *
- (REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb) +
- REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb)) +
- 2;
-
- /* (user+group)*(old+new) structure - we count quota info and , inode write (sb, inode) */
- error =
- journal_begin(&th, inode->i_sb,
- jbegin_count);
- if (error)
- goto out;
- error = dquot_transfer(inode, attr);
- if (error) {
- journal_end(&th, inode->i_sb,
- jbegin_count);
- goto out;
- }
- /* Update corresponding info in inode so that everything is in
- * one transaction */
- if (attr->ia_valid & ATTR_UID)
- inode->i_uid = attr->ia_uid;
- if (attr->ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
- mark_inode_dirty(inode);
- error =
- journal_end(&th, inode->i_sb, jbegin_count);
- }
- }
- if (!error) {
- /*
- * Relax the lock here, as it might truncate the
- * inode pages and wait for inode pages locks.
- * To release such page lock, the owner needs the
- * reiserfs lock
- */
- reiserfs_write_unlock_once(inode->i_sb, depth);
- error = inode_setattr(inode, attr);
- depth = reiserfs_write_lock_once(inode->i_sb);
+ error = reiserfs_chown_xattrs(inode, attr);
+
+ if (error)
+ return error;
+
+ /* (user+group)*(old+new) structure - we count quota info and , inode write (sb, inode) */
+ error = journal_begin(&th, inode->i_sb, jbegin_count);
+ if (error)
+ goto out;
+ error = dquot_transfer(inode, attr);
+ if (error) {
+ journal_end(&th, inode->i_sb, jbegin_count);
+ goto out;
}
+
+ /* Update corresponding info in inode so that everything is in
+ * one transaction */
+ if (attr->ia_valid & ATTR_UID)
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
+ mark_inode_dirty(inode);
+ error = journal_end(&th, inode->i_sb, jbegin_count);
+ if (error)
+ goto out;
+ }
+
+ /*
+ * Relax the lock here, as it might truncate the
+ * inode pages and wait for inode pages locks.
+ * To release such page lock, the owner needs the
+ * reiserfs lock
+ */
+ reiserfs_write_unlock_once(inode->i_sb, depth);
+ if ((attr->ia_valid & ATTR_SIZE) &&
+ attr->ia_size != i_size_read(inode))
+ error = vmtruncate(inode, attr->ia_size);
+
+ if (!error) {
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
}
+ depth = reiserfs_write_lock_once(inode->i_sb);
if (!error && reiserfs_posixacl(inode->i_sb)) {
if (attr->ia_valid & ATTR_MODE)
projects / cascardo / linux.git / blobdiff