return ret;
}
-int ocfs2_set_inode_size(handle_t *handle,
- struct inode *inode,
- struct buffer_head *fe_bh,
- u64 new_i_size)
+static int ocfs2_set_inode_size(handle_t *handle,
+ struct inode *inode,
+ struct buffer_head *fe_bh,
+ u64 new_i_size)
{
int status;
mlog_entry_void();
i_size_write(inode, new_i_size);
- inode->i_blocks = ocfs2_align_bytes_to_sectors(new_i_size);
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
inode->i_ctime = inode->i_mtime = CURRENT_TIME;
status = ocfs2_mark_inode_dirty(handle, inode, fe_bh);
{
int status;
handle_t *handle;
+ struct ocfs2_dinode *di;
mlog_entry_void();
goto out;
}
- status = ocfs2_set_inode_size(handle, inode, fe_bh, new_i_size);
+ status = ocfs2_journal_access(handle, inode, fe_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out_commit;
+ }
+
+ /*
+ * Do this before setting i_size.
+ */
+ status = ocfs2_zero_tail_for_truncate(inode, handle, new_i_size);
+ if (status) {
+ mlog_errno(status);
+ goto out_commit;
+ }
+
+ i_size_write(inode, new_i_size);
+ inode->i_blocks = ocfs2_align_bytes_to_sectors(new_i_size);
+ inode->i_ctime = inode->i_mtime = CURRENT_TIME;
+
+ di = (struct ocfs2_dinode *) fe_bh->b_data;
+ di->i_size = cpu_to_le64(new_i_size);
+ di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec);
+ di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
+
+ status = ocfs2_journal_dirty(handle, fe_bh);
if (status < 0)
mlog_errno(status);
+out_commit:
ocfs2_commit_trans(osb, handle);
out:
+
mlog_exit(status);
return status;
}
(unsigned long long)OCFS2_I(inode)->ip_blkno,
(unsigned long long)new_i_size);
+ unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1);
truncate_inode_pages(inode->i_mapping, new_i_size);
fe = (struct ocfs2_dinode *) di_bh->b_data;
mlog_errno(status);
goto bail;
}
- ocfs2_data_unlock(inode, 1);
/* alright, we're going to need to do a full blown alloc size
* change. Orphan the inode so that recovery can complete the
status = ocfs2_orphan_for_truncate(osb, inode, di_bh, new_i_size);
if (status < 0) {
mlog_errno(status);
- goto bail;
+ goto bail_unlock_data;
}
status = ocfs2_prepare_truncate(osb, inode, di_bh, &tc);
if (status < 0) {
mlog_errno(status);
- goto bail;
+ goto bail_unlock_data;
}
status = ocfs2_commit_truncate(osb, inode, di_bh, tc);
if (status < 0) {
mlog_errno(status);
- goto bail;
+ goto bail_unlock_data;
}
/* TODO: orphan dir cleanup here. */
+bail_unlock_data:
+ ocfs2_data_unlock(inode, 1);
+
bail:
mlog_exit(status);
}
mlog(0, "fe: i_clusters = %u, i_size=%llu\n",
- fe->i_clusters, (unsigned long long)fe->i_size);
+ le32_to_cpu(fe->i_clusters),
+ (unsigned long long)le64_to_cpu(fe->i_size));
mlog(0, "inode: ip_clusters=%u, i_size=%lld\n",
OCFS2_I(inode)->ip_clusters, i_size_read(inode));
return total ? total : ret;
}
-static int ocfs2_check_iovec(const struct iovec *iov, size_t *counted,
- unsigned long *nr_segs)
-{
- size_t ocount; /* original count */
- unsigned long seg;
-
- ocount = 0;
- for (seg = 0; seg < *nr_segs; seg++) {
- const struct iovec *iv = &iov[seg];
-
- /*
- * If any segment has a negative length, or the cumulative
- * length ever wraps negative then return -EINVAL.
- */
- ocount += iv->iov_len;
- if (unlikely((ssize_t)(ocount|iv->iov_len) < 0))
- return -EINVAL;
- if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len))
- continue;
- if (seg == 0)
- return -EFAULT;
- *nr_segs = seg;
- ocount -= iv->iov_len; /* This segment is no good */
- break;
- }
-
- *counted = ocount;
- return 0;
-}
-
static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
if (iocb->ki_left == 0)
return 0;
- ret = ocfs2_check_iovec(iov, &ocount, &nr_segs);
+ ret = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ);
if (ret)
return ret;
pos = *ppos;
/* communicate with ocfs2_dio_end_io */
- ocfs2_iocb_set_rw_locked(iocb);
+ ocfs2_iocb_set_rw_locked(iocb, rw_level);
if (direct_io) {
written = generic_file_direct_write(iocb, iov, &nr_segs, *ppos,
return written ? written : ret;
}
+static int ocfs2_splice_write_actor(struct pipe_inode_info *pipe,
+ struct pipe_buffer *buf,
+ struct splice_desc *sd)
+{
+ int ret, count, total = 0;
+ ssize_t copied = 0;
+ struct ocfs2_splice_write_priv sp;
+
+ ret = buf->ops->pin(pipe, buf);
+ if (ret)
+ goto out;
+
+ sp.s_sd = sd;
+ sp.s_buf = buf;
+ sp.s_pipe = pipe;
+ sp.s_offset = sd->pos & ~PAGE_CACHE_MASK;
+ sp.s_buf_offset = buf->offset;
+
+ count = sd->len;
+ if (count + sp.s_offset > PAGE_CACHE_SIZE)
+ count = PAGE_CACHE_SIZE - sp.s_offset;
+
+ do {
+ /*
+ * splice wants us to copy up to one page at a
+ * time. For pagesize > cluster size, this means we
+ * might enter ocfs2_buffered_write_cluster() more
+ * than once, so keep track of our progress here.
+ */
+ copied = ocfs2_buffered_write_cluster(sd->file,
+ (loff_t)sd->pos + total,
+ count,
+ ocfs2_map_and_write_splice_data,
+ &sp);
+ if (copied < 0) {
+ mlog_errno(copied);
+ ret = copied;
+ goto out;
+ }
+
+ count -= copied;
+ sp.s_offset += copied;
+ sp.s_buf_offset += copied;
+ total += copied;
+ } while (count);
+
+ ret = 0;
+out:
+
+ return total ? total : ret;
+}
+
+static ssize_t __ocfs2_file_splice_write(struct pipe_inode_info *pipe,
+ struct file *out,
+ loff_t *ppos,
+ size_t len,
+ unsigned int flags)
+{
+ int ret, err;
+ struct address_space *mapping = out->f_mapping;
+ struct inode *inode = mapping->host;
+ struct splice_desc sd = {
+ .total_len = len,
+ .flags = flags,
+ .pos = *ppos,
+ .u.file = out,
+ };
+
+ ret = __splice_from_pipe(pipe, &sd, ocfs2_splice_write_actor);
+ if (ret > 0) {
+ *ppos += ret;
+
+ if (unlikely((out->f_flags & O_SYNC) || IS_SYNC(inode))) {
+ err = generic_osync_inode(inode, mapping,
+ OSYNC_METADATA|OSYNC_DATA);
+ if (err)
+ ret = err;
+ }
+ }
+
+ return ret;
+}
+
static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
struct file *out,
loff_t *ppos,
}
/* ok, we're done with i_size and alloc work */
- ret = generic_file_splice_write_nolock(pipe, out, ppos, len, flags);
+ ret = __ocfs2_file_splice_write(pipe, out, ppos, len, flags);
out_unlock:
ocfs2_rw_unlock(inode, 1);
}
rw_level = 0;
/* communicate with ocfs2_dio_end_io */
- ocfs2_iocb_set_rw_locked(iocb);
+ ocfs2_iocb_set_rw_locked(iocb, rw_level);
}
/*
.aio_read = ocfs2_file_aio_read,
.aio_write = ocfs2_file_aio_write,
.ioctl = ocfs2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ocfs2_compat_ioctl,
+#endif
.splice_read = ocfs2_file_splice_read,
.splice_write = ocfs2_file_splice_write,
};
.readdir = ocfs2_readdir,
.fsync = ocfs2_sync_file,
.ioctl = ocfs2_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ocfs2_compat_ioctl,
+#endif
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff