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Commit 6c3faba4 authored by Tiger Yang's avatar Tiger Yang Committed by Mark Fasheh
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ocfs2: add ocfs2_xattr_set_handle 



This function is used to set xattr's in a started transaction. It is only
called during inode creation inode for initial security/acl xattrs of the
new inode. These xattrs could be put into ibody or extent block, so xattr
bucket would not be use in this case.

Signed-off-by: default avatarTiger Yang <tiger.yang@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent f5d36202

fs/ocfs2/xattr.c

+68 −0
Original line number Diff line number Diff line
@@ -2325,6 +2325,74 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, 
	return ret;

}



/*

 * This function only called duing creating inode

 * for init security/acl xattrs of the new inode.

 * The xattrs could be put into ibody or extent block,

 * xattr bucket would not be use in this case.

 * transanction credits also be reserved in here.

 */

int ocfs2_xattr_set_handle(handle_t *handle,

			   struct inode *inode,

			   struct buffer_head *di_bh,

			   int name_index,

			   const char *name,

			   const void *value,

			   size_t value_len,

			   int flags,

			   struct ocfs2_alloc_context *meta_ac,

			   struct ocfs2_alloc_context *data_ac)

{

	struct ocfs2_dinode *di;

	int ret;



	struct ocfs2_xattr_info xi = {

		.name_index = name_index,

		.name = name,

		.value = value,

		.value_len = value_len,

	};



	struct ocfs2_xattr_search xis = {

		.not_found = -ENODATA,

	};



	struct ocfs2_xattr_search xbs = {

		.not_found = -ENODATA,

	};



	struct ocfs2_xattr_set_ctxt ctxt = {

		.handle = handle,

		.meta_ac = meta_ac,

		.data_ac = data_ac,

	};



	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))

		return -EOPNOTSUPP;



	xis.inode_bh = xbs.inode_bh = di_bh;

	di = (struct ocfs2_dinode *)di_bh->b_data;



	down_write(&OCFS2_I(inode)->ip_xattr_sem);



	ret = ocfs2_xattr_ibody_find(inode, name_index, name, &xis);

	if (ret)

		goto cleanup;

	if (xis.not_found) {

		ret = ocfs2_xattr_block_find(inode, name_index, name, &xbs);

		if (ret)

			goto cleanup;

	}



	ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);



cleanup:

	up_write(&OCFS2_I(inode)->ip_xattr_sem);

	brelse(xbs.xattr_bh);



	return ret;

}



/*

 * ocfs2_xattr_set()

 *

fs/ocfs2/xattr.h

+4 −0
Original line number Diff line number Diff line
@@ -37,6 +37,10 @@ extern struct xattr_handler *ocfs2_xattr_handlers[]; 
ssize_t ocfs2_listxattr(struct dentry *, char *, size_t);

int ocfs2_xattr_set(struct inode *, int, const char *, const void *,

		    size_t, int);

int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *,

			   int, const char *, const void *, size_t, int,

			   struct ocfs2_alloc_context *,

			   struct ocfs2_alloc_context *);

int ocfs2_xattr_remove(struct inode *, struct buffer_head *);



#endif /* OCFS2_XATTR_H */