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| author |   Jeff Layton <jlayton@kernel.org> | 2019-06-05 12:08:32 -0400 |
|---|---|---|
| committer |   Ilya Dryomov <idryomov@gmail.com> | 2019-07-08 14:01:43 +0200 |
| commit | 58981784a6926e14964bb0e41dca38d75976b946 (patch) | |
| tree | 2301057475f2de59825de9ef1b53c560ca92b401 /fs/ceph/inode.c | |
| parent | libceph: turn on CEPH_FEATURE_MSG_ADDR2 (diff) | |
| download | linux-dev-58981784a6926e14964bb0e41dca38d75976b946.tar.xz linux-dev-58981784a6926e14964bb0e41dca38d75976b946.zip | |
ceph: allow querying of STATX_BTIME in ceph_getattr
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/inode.c')
| -rw-r--r-- | fs/ceph/inode.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 909f13d4d664..a13b627270f3 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2298,7 +2298,7 @@ static int statx_to_caps(u32 want) { int mask = 0; - if (want & (STATX_MODE|STATX_UID|STATX_GID|STATX_CTIME)) + if (want & (STATX_MODE|STATX_UID|STATX_GID|STATX_CTIME|STATX_BTIME)) mask |= CEPH_CAP_AUTH_SHARED; if (want & (STATX_NLINK|STATX_CTIME)) @@ -2323,6 +2323,7 @@ int ceph_getattr(const struct path *path, struct kstat *stat, { struct inode *inode = d_inode(path->dentry); struct ceph_inode_info *ci = ceph_inode(inode); + u32 valid_mask = STATX_BASIC_STATS; int err = 0; /* Skip the getattr altogether if we're asked not to sync */ @@ -2335,6 +2336,16 @@ int ceph_getattr(const struct path *path, struct kstat *stat, generic_fillattr(inode, stat); stat->ino = ceph_translate_ino(inode->i_sb, inode->i_ino); + + /* + * btime on newly-allocated inodes is 0, so if this is still set to + * that, then assume that it's not valid. + */ + if (ci->i_btime.tv_sec || ci->i_btime.tv_nsec) { + stat->btime = ci->i_btime; + valid_mask |= STATX_BTIME; + } + if (ceph_snap(inode) == CEPH_NOSNAP) stat->dev = inode->i_sb->s_dev; else @@ -2358,7 +2369,6 @@ int ceph_getattr(const struct path *path, struct kstat *stat, stat->nlink = 1 + 1 + ci->i_subdirs; } - /* Mask off any higher bits (e.g. btime) until we have support */ - stat->result_mask = request_mask & STATX_BASIC_STATS; + stat->result_mask = request_mask & valid_mask; return err; } |