Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (bfff6e92) · Commits · e / devices / android_kernel_oneplus_sm8150

fs/ocfs2/aops.c

+17 −7

Original line number	Original line	Diff line number	Diff line
	@@ -540,8 +540,7 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
	struct buffer_head *bh_result, int create)		struct buffer_head *bh_result, int create)
	{		{
	int ret;		int ret;
	u64 vbo_max; /* file offset, max_blocks from iblock */		u64 p_blkno, inode_blocks;
	u64 p_blkno;
	int contig_blocks;		int contig_blocks;
	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;		unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
	unsigned long max_blocks = bh_result->b_size >> inode->i_blkbits;		unsigned long max_blocks = bh_result->b_size >> inode->i_blkbits;
	@@ -550,12 +549,23 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
	* nicely aligned and of the right size, so there's no need		* nicely aligned and of the right size, so there's no need
	* for us to check any of that. */		* for us to check any of that. */

	vbo_max = ((u64)iblock + max_blocks) << blocksize_bits;

	spin_lock(&OCFS2_I(inode)->ip_lock);		spin_lock(&OCFS2_I(inode)->ip_lock);
	if ((iblock + max_blocks) >		inode_blocks = ocfs2_clusters_to_blocks(inode->i_sb,
	ocfs2_clusters_to_blocks(inode->i_sb,		OCFS2_I(inode)->ip_clusters);
	OCFS2_I(inode)->ip_clusters)) {
			/*
			* For a read which begins past the end of file, we return a hole.
			*/
			if (!create && (iblock >= inode_blocks)) {
			spin_unlock(&OCFS2_I(inode)->ip_lock);
			ret = 0;
			goto bail;
			}

			/*
			* Any write past EOF is not allowed because we'd be extending.
			*/
			if (create && (iblock + max_blocks) > inode_blocks) {
	spin_unlock(&OCFS2_I(inode)->ip_lock);		spin_unlock(&OCFS2_I(inode)->ip_lock);
	ret = -EIO;		ret = -EIO;
	goto bail;		goto bail;

fs/ocfs2/cluster/heartbeat.c

+17 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1447,6 +1447,15 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
	return ret;		return ret;
	}		}

			static ssize_t o2hb_region_pid_read(struct o2hb_region *reg,
			char *page)
			{
			if (!reg->hr_task)
			return 0;

			return sprintf(page, "%u\n", reg->hr_task->pid);
			}

	struct o2hb_region_attribute {		struct o2hb_region_attribute {
	struct configfs_attribute attr;		struct configfs_attribute attr;
	ssize_t (show)(struct o2hb_region , char *);		ssize_t (show)(struct o2hb_region , char *);
	@@ -1485,11 +1494,19 @@ static struct o2hb_region_attribute o2hb_region_attr_dev = {
	.store = o2hb_region_dev_write,		.store = o2hb_region_dev_write,
	};		};

			static struct o2hb_region_attribute o2hb_region_attr_pid = {
			.attr = { .ca_owner = THIS_MODULE,
			.ca_name = "pid",
			.ca_mode = S_IRUGO \| S_IRUSR },
			.show = o2hb_region_pid_read,
			};

	static struct configfs_attribute *o2hb_region_attrs[] = {		static struct configfs_attribute *o2hb_region_attrs[] = {
	&o2hb_region_attr_block_bytes.attr,		&o2hb_region_attr_block_bytes.attr,
	&o2hb_region_attr_start_block.attr,		&o2hb_region_attr_start_block.attr,
	&o2hb_region_attr_blocks.attr,		&o2hb_region_attr_blocks.attr,
	&o2hb_region_attr_dev.attr,		&o2hb_region_attr_dev.attr,
			&o2hb_region_attr_pid.attr,
	NULL,		NULL,
	};		};

fs/ocfs2/dlmglue.c

+9 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2718,6 +2718,15 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
	inode = ocfs2_lock_res_inode(lockres);		inode = ocfs2_lock_res_inode(lockres);
	mapping = inode->i_mapping;		mapping = inode->i_mapping;

			/*
			* We need this before the filemap_fdatawrite() so that it can
			* transfer the dirty bit from the PTE to the
			* page. Unfortunately this means that even for EX->PR
			* downconverts, we'll lose our mappings and have to build
			* them up again.
			*/
			unmap_mapping_range(mapping, 0, 0, 0);

	if (filemap_fdatawrite(mapping)) {		if (filemap_fdatawrite(mapping)) {
	mlog(ML_ERROR, "Could not sync inode %llu for downconvert!",		mlog(ML_ERROR, "Could not sync inode %llu for downconvert!",
	(unsigned long long)OCFS2_I(inode)->ip_blkno);		(unsigned long long)OCFS2_I(inode)->ip_blkno);
	@@ -2725,7 +2734,6 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
	sync_mapping_buffers(mapping);		sync_mapping_buffers(mapping);
	if (blocking == LKM_EXMODE) {		if (blocking == LKM_EXMODE) {
	truncate_inode_pages(mapping, 0);		truncate_inode_pages(mapping, 0);
	unmap_mapping_range(mapping, 0, 0, 0);
	} else {		} else {
	/* We only need to wait on the I/O if we're not also		/* We only need to wait on the I/O if we're not also
	* truncating pages because truncate_inode_pages waits		* truncating pages because truncate_inode_pages waits

fs/ocfs2/file.c

+11 −2

Original line number	Original line	Diff line number	Diff line
	@@ -149,6 +149,17 @@ int ocfs2_should_update_atime(struct inode *inode,
	((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)))		((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)))
	return 0;		return 0;

			/*
			* We can be called with no vfsmnt structure - NFSD will
			* sometimes do this.
			*
			* Note that our action here is different than touch_atime() -
			* if we can't tell whether this is a noatime mount, then we
			* don't know whether to trust the value of s_atime_quantum.
			*/
			if (vfsmnt == NULL)
			return 0;

	if ((vfsmnt->mnt_flags & MNT_NOATIME) \|\|		if ((vfsmnt->mnt_flags & MNT_NOATIME) \|\|
	((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))		((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
	return 0;		return 0;
	@@ -966,8 +977,6 @@ int ocfs2_permission(struct inode inode, int mask, struct nameidata nd)
	}		}

	ret = generic_permission(inode, mask, NULL);		ret = generic_permission(inode, mask, NULL);
	if (ret)
	mlog_errno(ret);

	ocfs2_meta_unlock(inode, 0);		ocfs2_meta_unlock(inode, 0);
	out:		out: