When getattr requests the STX_INO_VERSION, request the full gamut of
caps (similarly to how ctime is handled). When the change attribute
seems to be valid, return it in the ino_version field and set the flag
in the reply mask.
Reviewed-by: Xiubo Li <xiubli@xxxxxxxxxx>
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/ceph/inode.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 42351d7a0dd6..ccc926a7dcb0 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -2415,10 +2415,10 @@ static int statx_to_caps(u32 want, umode_t mode)
{
int mask = 0;
- if (want & (STATX_MODE|STATX_UID|STATX_GID|STATX_CTIME|STATX_BTIME))
+ if (want & (STATX_MODE|STATX_UID|STATX_GID|STATX_CTIME|STATX_BTIME|STATX_INO_VERSION))
mask |= CEPH_CAP_AUTH_SHARED;
- if (want & (STATX_NLINK|STATX_CTIME)) {
+ if (want & (STATX_NLINK|STATX_CTIME|STATX_INO_VERSION)) {
/*
* The link count for directories depends on inode->i_subdirs,
* and that is only updated when Fs caps are held.
@@ -2429,11 +2429,10 @@ static int statx_to_caps(u32 want, umode_t mode)
mask |= CEPH_CAP_LINK_SHARED;
}
- if (want & (STATX_ATIME|STATX_MTIME|STATX_CTIME|STATX_SIZE|
- STATX_BLOCKS))
+ if (want & (STATX_ATIME|STATX_MTIME|STATX_CTIME|STATX_SIZE|STATX_BLOCKS|STATX_INO_VERSION))
mask |= CEPH_CAP_FILE_SHARED;
- if (want & (STATX_CTIME))
+ if (want & (STATX_CTIME|STATX_INO_VERSION))
mask |= CEPH_CAP_XATTR_SHARED;
return mask;
@@ -2475,6 +2474,11 @@ int ceph_getattr(struct user_namespace *mnt_userns, const struct path *path,
valid_mask |= STATX_BTIME;
}
+ if (request_mask & STATX_INO_VERSION) {
+ stat->ino_version = inode_peek_iversion_raw(inode);
+ valid_mask |= STATX_INO_VERSION;
+ }
+
if (ceph_snap(inode) == CEPH_NOSNAP)
stat->dev = inode->i_sb->s_dev;
else
--
2.37.3
