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Commit bca5e9bd authored by Joel Becker's avatar Joel Becker
Browse files

ocfs2: Gell into ocfs2_xa_set() 



ocfs2_xa_set() wraps the ocfs2_xa_prepare_entry()/ocfs2_xa_store_value()
logic.  Both callers can now use the same routine.  ocfs2_xa_remove()
moves directly into ocfs2_xa_set().

Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
parent 73857ee0

fs/ocfs2/xattr.c

+42 −46
Original line number Diff line number Diff line
@@ -2017,8 +2017,6 @@ static int ocfs2_xa_reuse_entry(struct ocfs2_xa_loc *loc, 
 * Prepares loc->xl_entry to receive the new xattr.  This includes

 * properly setting up the name+value pair region.  If loc->xl_entry

 * already exists, it will take care of modifying it appropriately.

 * This also includes deleting entries, but don't call this to remove

 * a non-existant entry.  That's just a bug.

 *

 * Note that this modifies the data.  You did journal_access already,

 * right?
@@ -2030,11 +2028,6 @@ static int ocfs2_xa_prepare_entry(struct ocfs2_xa_loc *loc, 
{

	int rc = 0;



	if (!xi->xi_value) {

		rc = ocfs2_xa_remove(loc, ctxt);

		goto out;

	}



	rc = ocfs2_xa_check_space(loc, xi);

	if (rc)

		goto out;
@@ -2092,9 +2085,6 @@ static int ocfs2_xa_store_value(struct ocfs2_xa_loc *loc, 
	char *nameval_buf;

	struct ocfs2_xattr_value_buf vb;



	if (!xi->xi_value)

		goto out;



	nameval_buf = ocfs2_xa_offset_pointer(loc, nameval_offset);

	if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE) {

		ocfs2_xa_fill_value_buf(loc, &vb);
@@ -2105,10 +2095,49 @@ static int ocfs2_xa_store_value(struct ocfs2_xa_loc *loc, 
	} else

		memcpy(nameval_buf + name_size, xi->xi_value, xi->xi_value_len);



out:

	return rc;

}



static int ocfs2_xa_set(struct ocfs2_xa_loc *loc,

			struct ocfs2_xattr_info *xi,

			struct ocfs2_xattr_set_ctxt *ctxt)

{

	int ret;

	u32 name_hash = ocfs2_xattr_name_hash(loc->xl_inode, xi->xi_name,

					      xi->xi_name_len);



	ret = ocfs2_xa_journal_access(ctxt->handle, loc,

				      OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	/* Don't worry, we are never called with !xi_value and !xl_entry */

	if (!xi->xi_value) {

		ret = ocfs2_xa_remove(loc, ctxt);

		goto out;

	}



	ret = ocfs2_xa_prepare_entry(loc, xi, name_hash, ctxt);

	if (ret) {

		if (ret != -ENOSPC)

			mlog_errno(ret);

		goto out;

	}



	ret = ocfs2_xa_store_value(loc, xi, ctxt);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	ocfs2_xa_journal_dirty(ctxt->handle, loc);



out:

	return ret;

}



static void ocfs2_init_dinode_xa_loc(struct ocfs2_xa_loc *loc,

				     struct inode *inode,

				     struct buffer_head *bh,
@@ -2183,8 +2212,6 @@ static int ocfs2_xattr_set_entry(struct inode *inode, 
	struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;

	handle_t *handle = ctxt->handle;

	int ret;

	u32 name_hash = ocfs2_xattr_name_hash(inode, xi->xi_name,

					      xi->xi_name_len);

	struct ocfs2_xa_loc loc;



	if (!(flag & OCFS2_INLINE_XATTR_FL))
@@ -2205,14 +2232,8 @@ static int ocfs2_xattr_set_entry(struct inode *inode, 
	else

		ocfs2_init_xattr_block_xa_loc(&loc, inode, xs->xattr_bh,

					      xs->not_found ? NULL : xs->here);

	ret = ocfs2_xa_journal_access(handle, &loc,

				      OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	ret = ocfs2_xa_prepare_entry(&loc, xi, name_hash, ctxt);

	ret = ocfs2_xa_set(&loc, xi, ctxt);

	if (ret) {

		if (ret != -ENOSPC)

			mlog_errno(ret);
@@ -2220,14 +2241,6 @@ static int ocfs2_xattr_set_entry(struct inode *inode, 
	}

	xs->here = loc.xl_entry;



	ret = ocfs2_xa_store_value(&loc, xi, ctxt);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	ocfs2_xa_journal_dirty(handle, &loc);



	if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) &&

	    (flag & OCFS2_INLINE_XATTR_FL)) {

		struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
@@ -5415,8 +5428,6 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, 
	int ret;

	u64 blkno;

	struct ocfs2_xa_loc loc;

	u32 name_hash = ocfs2_xattr_name_hash(inode, xi->xi_name,

					      xi->xi_name_len);



	if (!xs->bucket->bu_bhs[1]) {

		blkno = bucket_blkno(xs->bucket);
@@ -5430,14 +5441,7 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, 


	ocfs2_init_xattr_bucket_xa_loc(&loc, xs->bucket,

				       xs->not_found ? NULL : xs->here);

	ret = ocfs2_xa_journal_access(ctxt->handle, &loc,

				      OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret < 0) {

		mlog_errno(ret);

		goto out;

	}



	ret = ocfs2_xa_prepare_entry(&loc, xi, name_hash, ctxt);

	ret = ocfs2_xa_set(&loc, xi, ctxt);

	if (ret) {

		if (ret != -ENOSPC)

			mlog_errno(ret);
@@ -5445,14 +5449,6 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, 
	}

	xs->here = loc.xl_entry;



	ret = ocfs2_xa_store_value(&loc, xi, ctxt);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	ocfs2_xa_journal_dirty(ctxt->handle, &loc);



out:

	return ret;

}