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Commit 3886274a authored by Luis Henriques's avatar Luis Henriques Committed by Ilya Dryomov
Browse files

ceph: factor out ceph_lookup_inode() 



This function will be used by __fh_to_dentry and by the quotas code, to
find quota realm inodes that are not visible in the mountpoint.

Signed-off-by: default avatarLuis Henriques <lhenriques@suse.com>
Reviewed-by: default avatar"Yan, Zheng" <zyan@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 1b52931c

fs/ceph/export.c

+12 −2
Original line number Diff line number Diff line
@@ -59,7 +59,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len, 
	return type;

}



static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino)

struct inode *ceph_lookup_inode(struct super_block *sb, u64 ino)

{

	struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc;

	struct inode *inode;
@@ -91,13 +91,23 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino) 
			ihold(inode);

		ceph_mdsc_put_request(req);

		if (!inode)

			return ERR_PTR(-ESTALE);

			return err < 0 ? ERR_PTR(err) : ERR_PTR(-ESTALE);

		if (inode->i_nlink == 0) {

			iput(inode);

			return ERR_PTR(-ESTALE);

		}

	}



	return inode;

}



static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino)

{

	struct inode *inode = ceph_lookup_inode(sb, ino);



	if (IS_ERR(inode))

		return ERR_CAST(inode);



	return d_obtain_alias(inode);

}

fs/ceph/super.h

+1 −0
Original line number Diff line number Diff line
@@ -1082,6 +1082,7 @@ extern long ceph_ioctl(struct file *file, unsigned int cmd, unsigned long arg); 


/* export.c */

extern const struct export_operations ceph_export_ops;

struct inode *ceph_lookup_inode(struct super_block *sb, u64 ino);



/* locks.c */

extern __init void ceph_flock_init(void);