Bug #14232 ยป readdir-cache.patch
| fs/ceph/inode.c | ||
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if (ceph_seq_cmp(truncate_seq, ci->i_truncate_seq) > 0 ||
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(truncate_seq == ci->i_truncate_seq && size > inode->i_size)) {
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dout("size %lld -> %llu\n", inode->i_size, size);
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inode->i_size = size;
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inode->i_blocks = (size + (1<<9) - 1) >> 9;
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ci->i_reported_size = size;
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if (size > 0 && S_ISDIR(inode->i_mode)) {
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pr_err("%p size %lld -> %llu\n", inode, inode->i_size, size);
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WARN_ON_ONCE(1);
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} else {
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i_size_write(inode, size);
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inode->i_blocks = (size + (1<<9) - 1) >> 9;
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ci->i_reported_size = size;
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}
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if (truncate_seq != ci->i_truncate_seq) {
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dout("truncate_seq %u -> %u\n",
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ci->i_truncate_seq, truncate_seq);
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| ... | ... | |
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if (!ctl->page || pgoff != page_index(ctl->page)) {
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ceph_readdir_cache_release(ctl);
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ctl->page = grab_cache_page(&dir->i_data, pgoff);
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if (idx == 0)
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ctl->page = grab_cache_page(&dir->i_data, pgoff);
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else
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ctl->page = find_lock_page(&dir->i_data, pgoff);
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if (!ctl->page) {
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ctl->index = -1;
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return -ENOMEM;
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return (idx == 0) ? -ENOMEM : 0;
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}
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/* reading/filling the cache are serialized by
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* i_mutex, no need to use page lock */
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unlock_page(ctl->page);
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ctl->dentries = kmap(ctl->page);
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if (idx == 0)
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memset(ctl->dentries, 0, PAGE_CACHE_SIZE);
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}
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if (req->r_dir_release_cnt == atomic64_read(&ci->i_release_count) &&
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| ... | ... | |
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spin_lock(&ci->i_ceph_lock);
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dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size);
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inode->i_size = size;
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i_size_write(inode, size);
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inode->i_blocks = (size + (1 << 9) - 1) >> 9;
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/* tell the MDS if we are approaching max_size */
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| ... | ... | |
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inode->i_size, attr->ia_size);
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if ((issued & CEPH_CAP_FILE_EXCL) &&
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attr->ia_size > inode->i_size) {
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inode->i_size = attr->ia_size;
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i_size_write(inode, attr->ia_size);
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inode->i_blocks =
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(attr->ia_size + (1 << 9) - 1) >> 9;
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inode->i_ctime = attr->ia_ctime;
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