提交 aa87052d 编写于 作者: X Xiubo Li 提交者: Ilya Dryomov

ceph: fix incorrectly showing the .snap size for stat

We should set the 'stat->size' to the real number of snapshots for
snapdirs.

Link: https://tracker.ceph.com/issues/57342Signed-off-by: NXiubo Li <xiubli@redhat.com>
Signed-off-by: NIlya Dryomov <idryomov@gmail.com>
上级 bd04b919
......@@ -2449,6 +2449,7 @@ int ceph_getattr(struct user_namespace *mnt_userns, const struct path *path,
struct kstat *stat, u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
struct super_block *sb = inode->i_sb;
struct ceph_inode_info *ci = ceph_inode(inode);
u32 valid_mask = STATX_BASIC_STATS;
int err = 0;
......@@ -2478,16 +2479,34 @@ int ceph_getattr(struct user_namespace *mnt_userns, const struct path *path,
}
if (ceph_snap(inode) == CEPH_NOSNAP)
stat->dev = inode->i_sb->s_dev;
stat->dev = sb->s_dev;
else
stat->dev = ci->i_snapid_map ? ci->i_snapid_map->dev : 0;
if (S_ISDIR(inode->i_mode)) {
if (ceph_test_mount_opt(ceph_sb_to_client(inode->i_sb),
RBYTES))
if (ceph_test_mount_opt(ceph_sb_to_client(sb), RBYTES)) {
stat->size = ci->i_rbytes;
else
} else if (ceph_snap(inode) == CEPH_SNAPDIR) {
struct ceph_inode_info *pci;
struct ceph_snap_realm *realm;
struct inode *parent;
parent = ceph_lookup_inode(sb, ceph_ino(inode));
if (!parent)
return PTR_ERR(parent);
pci = ceph_inode(parent);
spin_lock(&pci->i_ceph_lock);
realm = pci->i_snap_realm;
if (realm)
stat->size = realm->num_snaps;
else
stat->size = 0;
spin_unlock(&pci->i_ceph_lock);
iput(parent);
} else {
stat->size = ci->i_files + ci->i_subdirs;
}
stat->blocks = 0;
stat->blksize = 65536;
/*
......
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