[PATCH v4 6/6] ceph: fill in the change attribute in statx requests
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REVIEWED: 1 (0M)
From: Jeff Layton <jlayton@kernel.org>
Date: 2022-09-07 11:34:03
Also in:
ceph-devel, linux-btrfs, linux-ext4, linux-fsdevel, linux-nfs, linux-xfs, lkml
Subsystem:
ceph distributed file system client (ceph), filesystems (vfs and infrastructure), the rest · Maintainers:
Ilya Dryomov, Alex Markuze, Viacheslav Dubeyko, Alexander Viro, Christian Brauner, Linus Torvalds
Revision v4 of 2 in this series; 1 review trailer.
Revisions (2)
- v3 [diff vs current]
- v4 current
When statx requests the change attribute, 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. Reviewed-by: Xiubo Li <redacted> Signed-off-by: Jeff Layton <jlayton@kernel.org> --- 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